Home

IBM DS5020 User's Manual

1. EIN fe cae we 810midpl Front cage frame screws Figure 86 Front cage frame screw locations 10 On the back of the DS5020 remove the four Phillips screws two screws on each side that hold the sides of the DS5020 chassis to the sides of the rails 11 On the front of the DS5020 remove the four M5 screws two screws on each side on the DS5020 chassis that hold the DS5020 to the rails Attention The unit must be removed from the rack and placed on a level ESD protected surface before servicing it 12 Statement 4 A 150 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide gt 18 kg 39 7 Ib gt 32 kg 70 5 Ib gt 55 kg 121 2 Ib CAUTION Use safe practices when lifting Pull the chassis outward from the front of the rack and remove from the rack Place it on a level surface Look for a row of three Phillips screws on top of the chassis and a row of four Phillips screws on the
2. Cache active LED Figure 73 Cache Active LEDs Subsystem cache battery The backup battery unit provides power to back up the cache memory of each controller onto flash drives in the event of a power failure Each battery unit contains a sealed rechargeable SMART lithium ion battery The battery unit contains enough charge to back up the cached data in each controller to a flash drive in the event of a power failure Chapter 4 Operating the storage subsystem 117 Statement 2 A CAUTION When replacing the lithium battery use only an equivalent type battery recommended by the manufacturer If your system has a module containing a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not e Throw or immerse into water e Heat to more than 100 C 212 F e Repair or disassemble Dispose of the battery as required by local ordinances or regulations Replace the battery units in the DS5020 when they are identified as failing by the DS Stor
3. 000 zum ii Controller B iSCSI Controller Dual ported Ethernet Serial ports port canister drive Enclosure ID Power fan Fibre Channel channel canister hostchannels host channels Figure 4 Back view controllers with two standard Fibre Channel host expansion channels and two optional iSCSI host expansion channels IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 10 Setting up IP addresses for DS5020 storage controllers After you install DS Storage Manager as described in the DS Storage Manager Installation and Support Guide for your host operating system complete one of the following procedures to set up IP addresses e Steps for setting up the DHCP BOOTP server and network e Steps for assigning static TCP IP addresses to the DS5020 controllers Steps for setting up the DHCP BOOTP server and network To complete this procedure you must have the following components A DHCP or BOOTP server e A network management station NMS for Simple Network Management Protocol SNMP traps e A host that is connected to a storage subsystem through a Fibre Channel I O path e A management station that is connected by an Ethernet cable to the storage subsystem controllers Not
4. Figure 41 Cabling for one DS5020 and four storage expansion enclosures Chapter 3 Cabling the storage subsystem 63 64 One DS5020 and up to six storage expansion enclosures If you are cabling one DS5020 storage subsystem and up to six storage expansion enclosures Figure 42 shows the correct cabling topology Port 2 drive channel 1 Port 1 drive channel 1 DS5020 Port 1 drive channel 2 Port 2 drive channel 2 Figure 42 Cabling for one DS5020 and up to six storage expansion enclosures IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Figure 43 on page 66 shows a cabling topology that is incorrect because all six storage expansion enclosures are connected to a single drive port of the dual ported drive channel in each controller Chapter 3 Cabling the storage subsystem 65 66 Important Do not cable the storage subsystem and storage expansion enclos
5. Service Service action action Cache allowed required active LED LED LED f 9805 o omo o a 0 0 0 0 Ba DD 000 fe Bun 800 mo I Tog PO lolol Cove Host channel speed L1 LED Host channel Drive channel Ethernet link speed L2LED port bypass LED activity LED Drive channel Ethernet link speed LED speed LED Figure 70 LEDs controls and connectors of controllers with two standard and two optional Fibre Channel host expansion channels Chapter 4 Operating the storage subsystem 105 Note The iSCSI ports have the same LEDs as the management Ethernet ports As with the Ethernet port LEDs the iSCSI port LEDs represent link speed and link activity Diagnostic Heartbeat LED LED Service Service action action Cache allowed required active LED LED LED 92 05 o oo o o o oo o 8 UL ooo O eI oo I Host channel
6. Figure 39 Incorrect cabling of one DS5020 and two storage expansion enclosures Chapter 3 Cabling the storage subsystem 61 One DS5020 and three storage expansion enclosures If you are cabling one DS5020 storage subsystem and three storage expansion enclosures Figure 40 shows the correct cabling topology Port 2 drive channel 1 DS5020 Port 1 drive channel 2 Port 2 drive channel 2 1B 1A i 1A 1B Figure 40 Cabling for one DS5020 and three storage expansion enclosures 62 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide One DS5020 and four storage expansion enclosures If you are cabling one DS5020 storage subsystem and four storage expansion enclosures Figure 41 shows the correct cabling topology Port 2 drive channel 1 Port 1 drive channel 1 DS5020 Port 1 drive channel 2 Port 2 drive channel 2
7. O ol 1 000 0 0 0 0 O 0 0 0 lolol Service action Service action Battery allowed ok to required charging remove LED fault LED LED Figure 68 Battery unit LEDs Table 14 Battery unit LEDs LED Normal Status Problem Status Service Action Off On Allowed OK to Remove Service Action Off On Required Fault Battery Charging Green means on Off ready Blinking green means charging The Global Power Global Summary Fault and Global Locate LEDs are general indicators for the entire DS5020 storage subsystem or configuration in the case of the Global Summary Fault The Global Summary Fault LED turns on if a fault condition is detected in any component in the storage subsystem configuration including all attached storage expansion enclosures The Global Power Global Summary Fault and Global Locate LEDs shine through the front bezel Attention If the Global Summary Fault LED lights refer to the DS Storage Manager client software to determine the problem with the storage subsystem Also inspect the Needs Attention LEDs on the other components in the storage subsystem to help isolate the fault to a specific component Controller LEDs This section describes the primary LEDs controls and connectors on the rear of the storage subsystem controller
8. Figure 24 Storage subsystem seven segment enclosure IDs Fibre Channel loop and ID settings When you install a hard disk drive in the storage subsystem the drive tray plugs into a printed circuit board called the midplane The midplane sets the Fibre Channel loop ID automatically based on the enclosure ID switch setting and the physical location bay of the hard disk drive Working with SFPs and fiber optic cables Each RAID controller has up to four single ported host channel connections depending on the configuration you ordered and two dual ported drive channel connections A Small Form factor Pluggable transceiver SFP connects each host channel port and drive channel port to hosts and storage expansion enclosures Note The SFPs are preinstalled in the DS5020 The SFP is inserted into the port and then a fiber optic cable is inserted into the SFP The other end of the fiber optic cable connects to an external device SFPs are laser products 46 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Statement 3 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no se
9. charging required allowed ok to LED fault LED remove LED z o o o o oo oo 7 f R o o 0 0 Ran A 3 ale l JC coo O O ooo DO 0 0 0 0 o El 1 000 0 0 0 0 o 0 0 6 Q of Service action Service action Battery allowed ok to required charging remove LED fault LED LED Figure 74 Battery unit LEDs Chapter 4 Operating the storage subsystem 119 120 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Chapter 5 Replacing components This chapter contains information about replacing a controller E DDM CRU power supply and fan unit CRU battery unit SFP module and midplane Attention Always replace a failed component as soon as possible The Recovery Guru menu function in the DS5020 storage subsystem identifies failed components Handling static sensitive devices Service Action Attention Static electricity can damage electronic devices and your system To avoid damage keep static sensitive devices in their static protective packages until you are ready to install them To reduce the possibility of electrostatic discharge observe the following precautions e Limit your movement Movement can cause static electricity to build up around you e Hand
10. n nn m c O O e gt ARAARA c ie Dao a O Drive Drive Global Global Global Link activity fault locate summary power rate LED LED LED fault LED switch LED Figure 67 Front LEDs and controls Table 13 Front LEDs and controls LED Normal Status Problem Status Drive Activity LED On not blinking No data is being processed Blinking Data is being processed Off Drive Fault LED Off Blinking Drive volume or storage array locate function On not blinking Global Locate On only when you activate N A ag the locate function in the DS I Storage Manger Subsystem Management window menu The normal state is off Global Summary Fault Off On Global Power On Off Link Rate Switch Set to the 4 Gbps position N A Battery unit LEDs This section describes the primary LEDs on the storage subsystem battery units Chapter 4 Operating the storage subsystem 103 Battery Service action Service action charging required allowed ok to LED fault LED remove LED 7 cre eee 000 i ae JU eco
11. EXP520 i EXP810 Mae ata a a OO 1er ae I 1A 1B z A l Ep e l EXP520 l EXP810 t aza ke ale al 1 97 ee of Figure 44 Cabling for one DS5020 and two or more storage expansion enclosures in a mixed environment DS5020 storage subsystem and supported storage expansion enclosure drive cabling schemes The DS5020 supports only EXP520 and EXP810 storage expansion enclosures To attach one or more EXP810 storage expansion enclosures to the DS5020 storage subsystem you must purchase the Attach EXP810 to DS5020 Activation feature option Contact your IBM marketing representative for more information about purchasing feature options The cabling schemes for the EXP520 and EXP810 storage expansion enclosures are the same This section describes the instructions only for tne EXP520 use the same diagrams and procedures to cable the DS5020 to one or more EXP810 storage expansion enclosures The following sections show cabling schemes for supported storage expansion enclosures and the DS5020 storage subsystem One DS5020 and one EXP520 storage expansion enclosure on page 70 e One DS5020 and two EXP520 storage expansion enclosures on page 71 e One DS5020 and three or more EXP520 storage expansion enclosures on page
12. HAITI E e EAA C 1000 m O Link Rate switch 2 Gbpsor 4 Gbps Figure 82 Link rate switch 5 10 Change the link rate switch setting by doing the following a Put on antistatic protection b Use a small screwdriver or the tip of a ball point pen to slide the link rate switch to the left or right to set the desired Fibre Channel operating speed Attention Although the link rate LED indicates the correct speed setting the link rate speed does not change until after you cycle power to the storage subsystem Repeat step 1 on page 137 through step Bl for all of the storage subsystems in the configuration Perform the power on sequence as described in Turning on the storage subsystem on page 95 Check the indicator lights on the front and back of all of the storage subsystem and expansion drive modules All the green indicator LEDs are lit and the amber indicator LEDs are off No LEDs are displayed on blank drives Are only the green indicator LEDs on e Yes The drive is working correctly e No If an amber Fault indicator LED is on go to jio Diagnose and correct the fault a To run the Recovery Guru select the Recovery Guru toolbar button in the Subsystem Management window b Complete the recovery procedure 138 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide c When the proce
13. Index DS5020 storage subsystem CRU P N 8 E DDM 4 Gbps FC 146 8 GB 15 000 RPM 40K6823 drive module E DDM 4 Gbps FC 300 GB 15 000 RPM 42D0417 drive module E DDM 4 Gbps FC 450 GB 15 000 RPM 44X2451 drive module E DDM 4 Gbps FC 600 GB 15 000 RPM 59Y5336 drive module E DDM 4 Gbps FC encryption capable 146 8 44E5638 GB 15 000 RPM drive module E DDM 4 Gbps FC encryption capable 300 44E5642 GB 15 000 RPM drive module E DDM 4 Gbps FC encryption capable 450 44E5646 GB 15 000 RPM drive module E DDM 4 Gbps FC encryption capable 600 59Y5341 GB 15 000 RPM drive module E DDM 3 Gbps SATA 750 GB HS 7 200 43W9715 RPM drive module E DDM 3 Gbps SATA 1 TB 7 200 RPM drive 44X2459 module 9 Cage assembly 59Y5249 Empty drive filler panel 42D3315 Cable fiber optic 1 m 39M5699 Cable fiber optic 5 m 39M5700 Cable fiber optic 25 m 39M5701 LC wrap plug assembly 39M5914 SFP shortwave 4 Gbps 22R6443 OMS fiber optic cable LC to LC 10 meter 45W2222 SFP 8 Gbps 49Y4123 Serial cable adapter 39M5942 Line cord jumper high voltage 39M5377 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Appendix A Records Whenever you add options to your DS5020 be sure to update the information in this appendix Accurate up to date records make it easier to add other options and provide needed data whenever you contact your IBM tech
14. A EXP520 one Leise 1B 1A EXP520 two LLL 1B 1A Figure 47 One DS5020 and two EXP520 storage expansion enclosures behind a pair of DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 47 1 Connect port 2 of drive channel 1 on the DS5020 to port 1B on the left ESM in the EXP520 one 2 Connect port 1B on the right ESM in EXP520 one to port 1 of drive channel 2 on the DS5020 3 Connect port 1 of drive channel 1 on the DS5020 to port 1B on the left ESM in EXP520 two 4 Connect port 1B on the right ESM in EXP520 two to port 2 of drive channel 2 on the DS5020 Chapter 3 Cabling the storage subsystem 71 72 One DS5020 and three or more EXP520 storage expansion enclosures To connect three or more storage expansion enclosures to a DS5020 storage subsystem alternately connect a storage expansion enclosure to one of the drive ports of the dual ported drive channel then connect to the other port until all of the storage expansion enclosures are attached Figure 48 shows the cabling scheme for one DS5020 storage subsystem and three EXP520 storage expansion enclosures behind both ports of a dual ported drive channel Port 2 drive channel 1 Port 1 drive channel 1 DS5020 obs Port 1 drive
15. Gigabit Sak Ethernet oe 2 switch 7 N pi 2 1 Fibre Channel _ switch SI Fibre 7 u N Kies Channel ports ports Controller A Controll Fibre iSCSI Channel ports DS5020 ports Figure 64 Example of an incorrect configuration Single host iSCSI and Fibre Channel Figure 65 on page 91 shows an example of a multiple host multiple port multiple switch configuration IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Host 1 with a Host 2 with two dual port Fibre single port Channel HBA ISCSI HBAs gi hy Fibre 3 Fibre Channel Gigabit Gigabit Channel switch Ethernet Ethernet switch switch 7 x switch IT a um z Fibre iSCSI Channel ports ports Controller A Controller B Fibre iSCSI Channel ports DS5020 ports Figure 65 Example of a multiple host multiple port multiple switch configuration Installing the storage subsystem configuration Using the information gathered in the previous sections install the host systems and host adapters Notes 1 See the documentation provided with your host adapters for installation requirements and procedures 2 Use the correct host adapter driver For the latest supported host adapters and drivers go to
16. RAID controllers 2 AC power supply and fan units 2 Fiber optic cables 2 Battery units 2 Power cables 2 rack jumper line cords Diagnostic wrap plug coupler 1 Serial cable adapter 1 Rack mounting hardware kit 1 including Rails 2 right and left assembly M5 black hex head slotted screws 12 M4 screws 4 Washers 8 8 Gbps SFPs 4 or 8 Note The number of 8 Gbps SFPs depends on the storage subsystem configuration The SFPs are preinstalled in the DS5020 ports 4 Gbps SFPs 4 Note The SFPs are for the drive channel ports only and are preinstalled in the DS5020 drive channel ports Attention The DS5020 does not ship with region specific ac power cords You must obtain the IBM approved power cords for your region See Appendix D Power cords on page 179 for the IBM approved power cords for your region e Software and documentation Host software attachment kit Depending on the DS5020 configuration that you order your DS5020 includes your choice of host software kits Windows AIX Linux Netware SUN Solaris HP UX Linux on POWER or VMware The host software kit grants you permission to attach host servers using the applicable operating system to the DS5020 The kit includes a DS Storage Manager Support DVD that has the applicable IBM DS Storage Manager host software The DVD also includes firmware online help and publications in Adobe Ac
17. 0U Figure 90 Rear rack mounting template Appendix B Rack mounting templates 169 170 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Appendix C Specifications for non IBM rack installation The following instructions provide safety requirements and rack specifications for installing DS5000 storage subsystems and DS5000 storage expansion enclosures into non IBM racks Note The information in this section applies to 19 inch racks It is your responsibility working with your rack manufacturer to ensure that the non IBM rack chosen meets the safety requirements and specifications listed in this section General safety requirements for IBM products installed in a non IBM rack or cabinet The general safety requirements for IBM products installed in non IBM racks are 1 Copyright IBM Corp 2009 Any product or component that plugs into either an IBM power distribution unit or mains power via a power cord or uses any voltage over 42 V ac or 60 V dc considered to be hazardous voltage must be Safety Certified by a Nationally Recognized Test Laboratory NRTL for the country in which it will be installed Some of the items that require safety certification may include the rack or cabinet if it contains electrical components integral to the rack or cabinet fan trays power distribution unit uninterruptible power supplies multi outlet strips or any other prod
18. e If you are installing the DS5020 into an empty rack install it into the lowest available position so that the rack does not become unstable e If you are installing more than one DS5020 in the rack start at the lowest available position and work upward e If applicable allow for possible later installation of other units e If necessary remove the rack power distribution unit before you install the support rails e For procedures and more information refer to the installation and service guide or equivalent for the rack Chapter 2 Installing the storage subsystem 35 e The lip on the rail lines up with the bottom of the storage subsystem the OU boundary in Figure 14 on page 34 5 Using a No 2 Phillips screwdriver loosen the two screws on the left support rail that hold the two parts of the rail together The support rails are marked as left or right 6 Hold the back of the rail against the inside of the rack mounting flange Make sure that the rail mounting guide pins are in the correct holes 7 Using the 5 16 8 mm hex nut driver securely tighten the two M5 screws Note Make sure that you use a washer when installing an M5 screw through a square hole on the rack mounting flange 8 Extend the rail to the front of the rack until it makes contact with the front rack mounting flange 9 Securely tighten the M5 screws Note Be sure to install the screw labeled install first in Figure 13 on page 33 10 Se
19. 2 Mount the DS5020 storage subsystem in the rack DS4800 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4800 DS4700 Express Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4700 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 DS4400 and DS4500 Rack Mounting Instructions DS4300 Rack Mounting Instructions DS4200 Express Storage Subsystem Installation User s and Maintenance Guide DS4100 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage DS5000 Installation User s and Maintenance Guide IBM System Storage DS5020 Installation User s and Maintenance Guide 3 Mount the storage expansion unit in the rack DS4000 EXP100 Storage Expansion Unit Installation User s and Maintenance Guide DS4000 EXP420 Storage Expansion Enclosures Installation User s and Maintenance Guide DS4000 EXP700 and EXP710 Storage Expansion Enclosures Installation User s and Maintenance Guide DS4000 EXP810 Storage Expansion Enclosures Installation User s and Maintenance Guide FAStT EXP500 Installation and User s Guide IBM System Storage Quick Start Guide Quick reference for the DS4700 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 DS5000 Installation User s and Maintenance
20. SRAM See static random access memory SSA See serial storage architecture static random access memory SRAM Random access memory based on the logic circuit know as flip flop It is called static because it retains a value as long as power is supplied unlike dynamic random access memory DRAM which must be regularly refreshed It is however still volatile meaning that it can lose its contents when the power is turned off storage area network SAN A dedicated storage network tailored to a specific environment combining servers storage products networking products software and services See also fabric Storage Array Identifier SAI or SA Identifier The Storage Array Identifier is the identification value used by the DS Storage Manager host software SMClient to uniquely identify each managed storage server The DS Storage Manager SMClient program maintains Storage Array Identifier records of previously discovered storage servers in the host resident file which allows it to retain discovery information in a persistent fashion storage expansion enclosure EXP A feature that can be connected to a system unit to provide additional storage and processing capacity storage management station A system that is used to manage the storage subsystem A storage management station does not need to be attached to the storage subsystem through the fibre channel input output I O path storage partition Storage subsystem
21. Apparell A Laser de Calsse 1 IEC 825 11993 CENELEC EN 60 825 The speed of the SFP module determines the maximum operating speed of the Fibre Channel port in which the SFP is installed For example a 4 Gbps SFP that is plugged into a 8 Gbps capable port will limit the speed of that port to a maximum of 4 Gbps Attention Refer to the FRU option P N on the SFP to identify the maximum operating speed of the SFP and to request the correct FRU replacement Use the following procedure to replace a Small Form factor Pluggable SFP module on the storage subsystem The SFP module shown in this procedure might look different from those you are using but the difference will not affect functionality Figure 85 on page 148Jlillustrates installing an SFP module Electrostatic discharge can damage sensitive components To prevent electrostatic discharge damage to the storage subsystem use proper antistatic protection when handling components To replace an SFP module do the following 1 Use the DS Storage Manager client software to print a new storage subsystem profile 2 Using the Recovery Guru identify the failed component that needs to be replaced 3 Check the Fault LEDs to locate the failed SFP module If a fault is detected the amber Fault LED is on Attention Potential loss of data access To prevent loss of access to data remove only the SFP module that has a failed status in the storage management software and has Port Bypass
22. Hardware maintenance on page 153 describes problems and symptoms that are specific to the DS5020 storage subsystem It also provides a parts list for the DS5020 storage subsystem Appendix A Records on page 163 provides a table that you can use to record and update important information about your DS5020 storage subsystem including serial number and device records Appendix B Rack mounting templates on page 167 provides the rack mounting templates for installation of the DS5020 storage subsystem If you want to tear out the templates from the document for use during installation use these copies of the templates Appendix D Power cords on page 179 lists power cord information for the DS5020 storage subsystem Appendix E Additional DS5020 documentation on page 183jlists additional DS5020 documents Appendix F Accessibility on page 195 details accessibility information Copyright IBM Corp 2009 xix General overview For educational information about the DS5020 and other IBM System Storage products go tojhttp ibmdsseriestraining com XX DS5020 and DS4000 family storage subsystem installation tasks Table 1 provides a sequential list of many installation and configuration tasks that are common to most DS5020 and DS4000 family configurations When you install and configure your storage subsystem refer to this table to find the documentation that explains how to complete ea
23. O Template C Install first gt lt Install first n CQ Ney ey Install first gt C C lt Install first Alessi 1U Rail assembly Rail assembly Install second gt C Front Left Front Right C OWEeSSeeeeeee ee Renda OU Figure 13 Front rack mounting template Chapter 2 Installing the storage subsystem 33 DS5020 REAR Rack Mounting BE oa sane 20 Rail mounting guide 1U Rail assembly Rail assembly Rear Left Rear right Printed in the U S A Wann Fee rzetete OU Figure 14 Rear rack mounting template Before installing the DS5020 in a rack cabinet you must install the rails and rack mounting hardware that come with your storage subsystem The DS5020 requires an Electronic Industries Association EIA 310 D Type A 19 inch rack cabinet The distance between EIA rails from the front to the rear of the rack is 60 96 cm 24 in minimum and 81 28 cm 32 in maximum This rack conforms to the EIA standard Where you place the support rails in the rack depends on where you intend to position the storage subsystem Complete the following steps to install the support rails Note Refer to Figure 15 on page 35 while performing these steps 34 IBM System Storage DS5020 Storage S
24. Working with hot swap E DDMs This section explains how you can increase the storage subsystem capacity by adding more E DDMs or by replacing existing E DDMs with ones that have a larger capacity Before you begin complete the following tasks e Read the safety and handling guidelines in Safety on page xiii and in Handling static sensitive devices on page 29 Make sure that your current system configuration is working properly Back up all important data before you make changes to data storage devices Before you install or remove E DDM CRUs review the following information 126 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide e Blank trays A storage subsystem without a full set of E DDMs 16 contains blank trays in the unused drive bays Before installing new E DDMs you must remove these empty trays Save the empty trays for future use Each of the 16 bays must always contain either a blank tray or a hot swap E DDM For proper cooling and EMC protection do not leave a drive slot open without either a drive blank or an E DDM CRU inserted e E DDM CRUs The DS5020 storage subsystem supports 4 Gbps Fibre Channel and SATA E DDMs The link rate setting speed must be set accordingly See Verifying the link rate setting on page 130 for more information When adding E DDM CRUs if you are not installing all 16 E DDM CRUs into the storage subsystem install the E DD
25. 202 202 202 203 Index 2 u oe A eae Be Oe we ee ne a ATS Contents Vii viii IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Figures 1 DS5020 hot swap drive bays u 2 Back view controllers with two standard Fibre Channel host expansion channels peie oi 10 3 Back view controllers with two standard and two optional Fibre Channel host expansion channels 10 4 Back view controllers with two standard Fibre Channel host expansion channels and two optional iSCSI host expansion channels oo ook ook w wa amp he w a 2 IO 5 Power supply and fan unit components for the DS5020 eo ih iT te ee G 6 Power supply and fan unit and airflow 2 0 0 a 14 7 Backup battery unit Bi De e E SS og ie ble che og ee ee ee G 8 SFP module and fiber optic cable ES BU a BR oe 2 ae A a e a a oe e a ee 9 DS5020 dimensions 1 ee ee 19 10 DS5020 airflow de ee re BE 11 Example of cold aisle hot aisle rack configuration Fa og te ce a ea BO 12 Example of DS5020 serial number machine type and model number location ne 28 13 Front rack mounting template s a s s s sos ss ea aoa so DI 14 Rear rack mounting template a a 4 15 Installing the support rails 2 a0 a a a a a BD 16 Removing and replacing a controller a a a nn ne BE 17 Removing a power supply and fan unit 2 a a a BI 18 Removing an E DDM CRU 2 a a I 19
26. 70 71 72 78 78 78 19 Host agent in band management method Direct out of band management method Connecting hosts to the DS5020 using Fibre Channel host ports Fibre Channel and iSCSI connections ioe ay oe oa Fibre Channel host loop configurations Redundant Fibre Channel host loops iSCSI configurations DS5020 host iSCSI configurations Installing the storage subsystem configuration Cabling the ac power supply Chapter 4 Operating the storage subsystem Performing the DS5020 Health Check process Web pages Hardware responsibilities f Powering on the storage subsystem Turning on the storage subsystem Installing the DS Storage Manager client Monitoring status through software i Finding controller storage expansion enclosure and drive information Firmware updates Troubleshooting the storage subsystem Checking the LEDs AC power supply and fan unit LEDs FrontLEDs s s m s a w i Battery unit LEDs Controller LEDs Seven segment numeric display LEDs Powering off the storage subsystem Turning off the storage subsystem Performing an emergency shutdown Restoring power after an unexpected shutdown Recovering from an overheated power supply and fan unit Cache memory and cache battery Sm 3 Cache memory Subsystem cache battery Chapter 5 Replacing components Handling static sensitive devices Service Action Allowed Status LED Replacing a controller Er Working with ho
27. 74 DS5020 Port 2 drive channel 1 Port 1 drive channel 1 EXP520 two 1 27 te ll EXP520 three EXP520 four i Auer t herl Port 1 drive channel 2 Port 2 drive channel 2 Figure 49 One DS5020 and four EXP520 storage expansion enclosures behind a pair of DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 49 Connect port 1A on the left ESM in EXP520 one to port 1B on the left ESM in 1 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide EXP520 three Connect port 1A on the right ESM in EXP520 three to port 1B on the right ESM in EXP520 one Connect port 1B on the left ESM in EXP520 one to port 2 of drive channel 1 on the DS5020 Connect port 1 of drive channel 2 on the DS5020 to port 1B on the right ESM in EXP520 three 5 Connect port 1A on the left ESM in EXP520 two to port 1B on the left ESM in EXP520 four 6 Connect port 1A on the right ESM in the EXP520 four to port 1B on the right ESM in EXP520 two 7 Connect port 1B on the left ESM in EXP520 two to port 1 of drive channel 1 on the DS50
28. Architecture polling delay The time in seconds between successive discovery processes during which discovery is inactive port A part of the system unit or remote controller to which cables for external devices such as display stations terminals printers switches or external storage units are attached The port is an access point for data entry or exit A device can contain one or more ports portable document format PDF A standard specified by Adobe Systems Incorporated for the electronic distribution of documents PDF files are compact can be distributed globally by e mail the Web intranets or CD ROM and can be viewed with the Acrobat Reader which is software from Adobe Systems that can be downloaded at no cost from the Adobe Systems home page premium feature key A file that the storage subsystem controller uses to enable an authorized premium feature The file contains the feature enable identifier of the storage subsystem for which the premium feature is authorized and data about the premium feature See also feature enable identifier private loop A freestanding arbitrated loop with no fabric attachment See also arbitrated loop program temporary fix PTF A temporary solution or bypass of a problem diagnosed by IBM in a current unaltered release of the program PTF See program temporary fix RAID See redundant array of independent disks RAID RAID level An array RAID level is a number tha
29. Be sure that the lever is pulled straight out as you slide the power supply and fan unit into the storage subsystem as shown in Figure 22 The left and right power supply and fan units are seated in the DS5020 chassis in opposite orientations If you cannot fully insert the power supply and fan unit into the power supply and fan unit bay flip it 180 and reinsert it Latch Figure 22 Replacing a power supply and fan unit 2 As you slide the power supply and fan unit into the empty slot make sure the guide pins on the side of the power supply and fan unit fit into the notches Chapter 2 Installing the storage subsystem 43 44 along the sides of the power supply and fan unit bay After the guide pins fit into the notches and power supply and fan unit fits snugly into the slot push the lever upward or downward 90 depending on whether the power supply fan is inserted in the left or right bay to fully latch it into place Push the front of the power supply and fan unit in gently to make sure that it is fully seated 3 Repeat step 1 on page 43 and step 2 on page 43 to replace the second power supply and fan unit Replacing an E DDM Complete the following steps to replace the hot swap E DDMs that you removed before the installation Attention After you remove an E DDM CRU wait 70 seconds before replacing or reseating the E DDM CRU to allow the E DDM to properly spin down Failure to do so might cause undesired events Note
30. DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam a Class 1 Laser statement Safety XV xvi Class 1 Laser Product Laser Klasse 1 Laser Klass 1 Luokan 1 Laserlaite Apparell A Laser de Calsse 1 IEC 825 11993 CENELEC EN 60 825 Statement 4 A ep gt 18 kg 39 7 Ib gt 32 kg 70 5 Ib gt 55 kg 121 2 Ib CAUTION Use safe practices when lifting Statement 5 AA CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source AA 2 0m m u IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Statement 8 AA CAUTION Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician Statement 30 AA C
31. If any items are missing contact your IBM reseller or representatives before proceeding Verify that you have the applicable host software kit for your operating system Depending on the DS5020 configuration you order your DS5020 will ship with either the Microsoft Windows host software attachment kit or with your choice of host software kits Windows AIX Linux Netware SUN Solaris HP UX Linux on POWER or VMware The host software kit grants you permission to attach host servers using the applicable operating system to the DS5020 The kit includes a DS Storage Manager DVD that has the applicable IBM DS Storage Manager host software If you order more than one host software kit the additional kits might also be shipped in the DS5020 shipping box The DVD also includes the DS5020 storage subsystem controller firmware For the latest controller firmware check the IBM support Web site for IBM System Storage products http www ibm com systems support storage disk Read the applicable readme files that are included in the Storage Manager host software or DS5020 controller firmware packages for any updated information about hardware software or firmware products See Finding DS5020 and D 4000 family readme files on page xxiv to learn how to access the DS5020 and DS4000 family readme files on the Web Continue with Preparing the site Tools and hardware required Gather the tools and equipment you will need for installatio
32. Ta Protecti ve cap Zu es Figure 75 Unlocking the SFP module latch plastic variety e For SFP modules that contain wire tabs unlock the SFP module latch by pulling the wire latch outward 90 as shown in Figure 76 Wire tab Protective cap te 29 SFPmodule Figure 76 Unlocking the SFP module latch wire variety c With the SFP latch in the unlocked position extract the SFP module e For SFP modules that contain plastic tabs slide the SFP module out of the port e For SFP modules that contain wire tabs grasp the wire latch and pull the SFP module out of the minihub port d Replace the protective cap on the SFP module e Place the SFP module into a static protective package f Replace the protective cap on the port 8 Squeeze the controller latch and pull the lever open 90 so that the lever is horizontal to release the controller from the latch The controller latch is a coral colored tab on the lever Note The lever rotates upward or downward 90 depending on whether the controller you are removing is the right or left controller CRU 9 Slowly pull the lever away from the chassis to remove the controller from the bay Use two hands when releasing the controller levers Figure 77 on page hs 124 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide shows the controller sliding from the storage subsystem chassis Figure 77 Removing a controller from th
33. These statements indicate situations that can be potentially hazardous to you A caution statement is placed just before the description of a potentially hazardous procedure step or situation e Attention These notices indicate possible damage to programs devices or data An attention notice is placed just before the instruction or situation in which damage could occur Before installing this product read the following danger and caution notices Copyright IBM Corp 2009 xiii xiv Statement 1 AA DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard e Do not connect or disconnect any cables or perform installation maintenance or reconfiguration of this product during an electrical storm e Connect all power cords to a properly wired and grounded electrical outlet e Connect to properly wired outlets any equipment that will be attached to this product e When possible use one hand only to connect or disconnect signal cables e Never turn on any equipment when there is evidence of fire water or structural damage e Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and configuration procedures e Connect and disconnect cables as described in the following table when installing moving or opening covers on this product or attach
34. Use Table 24 on page 166 to verify the proper replacement locations of your E DDMs 1 Lift up on the handle and gently push the E DDM CRU into the empty bay until the hinge of the A handle latches beneath the storage subsystem bezel as shown in Figure 23 Figure 23 Replacing an E DDM 2 Push the tray handle down until the latch clicks into place 3 Repeat steph and step 2 to replace additional E DDMs IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Chapter 3 Cabling the storage subsystem After the storage subsystem is installed in its permanent location you must cable it to hosts drives and other external devices depending on your hardware configuration This chapter addresses the following cabling and configuration topics e Enclosure ID settings e Fibre Channel loop and ID settings on page 46 e Working with SFPs and fiber optic cables on page 46 e Connecting storage expansion enclosures to the DS5020 on page 54 Connecting hosts to the DS5020 using Fibre Channel host ports on page 82 Connecting secondary interface cables on page 78 Configuring the storage subsystem on page 79 Installing the storage subsystem configuration on page 91 Cabling the ac power supply on page 91 Enclosure ID settings The enclosure ID comprised of two seven segment numbers is located on the back of each controller next to
35. User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM TotalStorage DS4300 Storage Subsystem Installation User s and Maintenance Guide IBM TotalStorage DS4300 Rack Mounting Instructions IBM TotalStorage DS4300 Storage Subsystem Cabling Instructions IBM TotalStorage DS4300 SCU Base Upgrade Kit IBM TotalStorage DS4300 SCU Turbo Upgrade Kit IBM TotalStorage DS4300 Turbo Models 6LU 6LX Upgrade Kit Appendix E Additional DS5020 documentation 189 DS4200 Express storage subsystem library Table 33 associates each document in the DS4200 Express storage subsystem library with its related common user tasks Table 33 DS4200 Express storage subsystem document titles by user tasks Title Planning Hardware Installation Software Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM System Storage DS4200 Express Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick start guide Quick reference for the DS4700 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 190 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide DS4100 Storage subsystem library Table 34 associates each document in the DS4100 previously FAStT100 storage subsystem library
36. and then select the underlined letter to access the individual menu item For other interface components use the Alt underlined letter combination Ctrl F1 Display or conceal a tool tip when keyboard focus is on the toolbar Spacebar Select an item or activate a hyperlink Ctrl Spacebar Select multiple drives in the Physical View Contiguous Non contiguous AMW Logical Physical View To select multiple drives select one drive by pressing Spacebar and then press Tab to switch focus to the next drive you want to select press Ctrl Spacebar to select the drive If you press Spacebar alone when multiple drives are selected then all selections are removed Use the Ctrl Spacebar combination to deselect a drive when multiple drives are selected This behavior is the same for contiguous and non contiguous selection of drives End Page Down Move keyboard focus to the last item in the list Esc Close the current dialog does not require keyboard focus Home Page Up Move keyboard focus to the first item in the list Shift Tab Move keyboard focus through components in the reverse direction Ctrl Tab Move keyboard focus from a table to the next user interface component Tab Navigate keyboard focus between components or select a hyperlink Down arrow Move keyboard focus down one item in the list Left arrow Move keyboard focus to the left Right arrow Move keyboard focu
37. back of the storage subsystem A CAUTION This unit has more than one power source To remove all power from the unit all MAINS must be disconnected CAUTION The power switch on the power supply and fan unit does not turn off the electrical current supplied to the device The DS5020 storage subsystem might also have more than one connection to power To remove all electrical current from the device ensure that all power cords are disconnected from the power supply and fan unit input connectors Turn off power to other supporting devices for example management stations Fibre Channel switches or Ethernet switches Use the procedures in to remove the E DDMs that you want to replace Use the procedures in hhot swap E DOMS on page 128lto install the new E DDMs into the storage subsystem After you install all the new E DDMs check the system documentation for the hardware devices that you intend to power up and then determine the proper startup sequence Use the following power on sequence where applicable 9 Chapter 5 Replacing components 133 134 9 10 il 12 a Turn on the power to the supporting devices for example Ethernet switches and management stations before you turn off power to the storage subsystem b You must turn on the storage expansion enclosures before the storage subsystem The controllers might not recognize the correct configuration if the E DDMs are powered up after the storag
38. replace the failed CRU Midplane failure Have the midplane replaced Contact an IBM technical support representative IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 20 Symptom to FRU index continued Problem indicator Unable to access drives Component Drives and Fibre Channel loop Possible cause Incorrect storage subsystem ID settings Possible solutions Make sure that the Fibre Channel optical cables are undamaged and properly connected Check the storage subsystem ID settings Note Change the switch position only when your storage subsystem is powered off RAID controller failure Replace one or both RAID controllers Contact an IBM technical support representative Drive or drives failed Replace failed drive or drives Random errors Storage subsystem Midplane failure Have the midplane replaced Contact an IBM technical support representative Hard disk drive is not visible in RAID management software Several CRUs Drive or drives failed Fibre Channel cable failed Replace failed drive or drives Replace Fibre Channel cable SFP failed Replace SFP RAID controller failure Midplane failure Replace RAID controller Have the midplane replaced Contact an IBM technical support representative Drive CRU has interface problem with the ESM or controller Repl
39. speed L1 LED Host channel Drive channel speed L2 LED port bypass LED Ethernet link activity LED Ethernet link speed LED Drive channel speed LED Figure 71 LEDs controls and connectors of controllers with two standard Fibre Channel host expansion channels and two optional iSCSI host expansion channels Table 15 Rear controller LEDs controls and connectors LED Normal Status Problem Status Service Action Allowed OK to Off On Remove Service Action Required Off On Fault Cache Active On Data is in cache Not applicable Off Caching is turned off No data in cache Diagnostic On Seven segment LEDs Not applicable indicate diagnostic code Off Seven segment LEDs indicate enclosure ID Heartbeat Blinking Off Host Channel Speed L1 See Table 16 on page 107 Host Channel Speed L2 See Table 16 on page 107 Ethernet Link Speed On 1 Gbps Not applicable Off 100 Mbps 106 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 15 Rear controller LEDs controls and connectors continued LED Normal Status Problem Status Ethernet Link Activity On link established Not applicable Off no link established Blinking activity Drive Channel Port Bypass Off On No valid device detected and port is bypassed One LED per port Also off if no SFP Note The drive channel connected consists of two FC port
40. subsystems Ethernet Ethernet network network Host Management gt Fibre Channel server station Two storage subsystems Figure 52 Host agent in band managed storage subsystems 80 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Direct out of band management method This method uses Ethernet connections from a management station to each controller You must install at least one management station The management station can be the host or a workstation on the Ethernet network A management station will have the client software installed Attach Ethernet cables to each management station one pair per storage subsystem You will connect the cables to each storage subsystem controller later when you install the storage subsystem Figure 53 on page B2 shows the direct out of band management method You can either use the default controller Ethernet IP addresses for out of band connection or change the default controller Ethernet IP addresses by using Dynamic Host Configuration Protocol DHCP or Storage Manager client Refer to the DS Storage Manager Installation User s and Maintenance Guide for the applicable operating system for more information about setting the management connections and installing the DS5020 storage subsystem management software For a listing of default IP addresses see Connectors switch and enclosure ID on Note Do not connect the storage subsystem Ethe
41. 10 Install host software failover drivers on host server 11 Start DS Storage Manager 12 Set the DS Storage Manager clock 13 Set the DS Storage Manager host default type 14 Verify DS5020 DS4100 Storage Subsystem Installation User s and subsystem health Maintenance Guide e DS4200 Express Storage Subsystem Installation User s and Maintenance Guide DS4300 Storage Subsystem Installation User s and Maintenance Guide DS4400 Fibre Channel Storage Server Installation and Support Guide DS4500 Storage Subsystem Installation User s and Maintenance Guide e DS4700 Express Storage Subsystem Installation User s and Maintenance Guide DS4800 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage DS5020 Installation User s and Maintenance Guide 15 Enable DS Storage Manager premium feature keys Copy Services premium features DS4000 Storage Manager Copy Services Guide FC SATA Intermix premium feature DS4000 Fibre Channel and Serial ATA Intermix Premium Feature Installation Overview FDE Best Practices Guide Storage Partitioning and general premium features information DS Storage Manager Version 10 Installation and Host Support Guide About this document Xxlii Table 1 Where to find DS5020 and DS4000 family installation and configuration procedures continued Installation task Where to find information or procedures 16 Configure arrays
42. 30 minutes in each of the three axes Table 9 Random vibration power spectral density Hz 5 17 45 48 62 65 150 200 500 g Hz 2 0x10 77 2 2x10 2 2x10 2 2x10 2 2x10 2 2x10 2 2x10 2 2x10 2 2x10 Acoustic noise Table 10 lists the maximum sound levels emitted by the storage subsystem Table 10 DS5020 sound levels Measurement Level Sound power normal operation 6 4 bels Sound pressure normal operation 68 dBA 22 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide These levels are measured in controlled acoustical environments according to ISO 7779 and are reported in accordance with ISO 9296 The declared sound power levels indicate an upper limit below which a large portion of machines operate Sound pressure levels in your location might exceed the average 1 meter values stated because of room reflections and other nearby noise Electrical requirements This section provides information regarding site power and wiring storage subsystem power requirements and power cord routing instructions Consider the following information when preparing the installation site e Protective ground Site wiring must include a protective ground connection to the ac power source Note Protective ground is also known as safety ground or chassis ground e Circuit overloading Power circuits and associated circuit
43. 72 DS5020 storage subsystem drive cabling rules Refer to these general rules when you complete the cabling steps in the cabling schemes described in this section Chapter 3 Cabling the storage subsystem 67 1 Do not connect a combination of more than six EXP520 or EXP810 storage expansion enclosures to the two ports of a dual ported drive channel Failure to observe this limitation might result in loss of data availability In the DS5020 storage subsystem environment no more than six EXP520 or EXP810 storage expansion enclosures can be connected to the two ports of a dual ported drive channel because of the internal drive slots in the DS5020 storage subsystem 2 Do not connect more than four EXP520 or EXP810 storage expansion enclosures to each port of a dual ported drive channel 3 Add storage expansion enclosures to the storage subsystem drive ports in a round robin fashion For example if you have four drive expansion enclosures to be cabled to the storage subsystem instead of cabling all four drive expansion enclosures to one drive port of a drive channel distribute the enclosures to all drive ports which results in one enclosure per drive port of a drive channel 4 Do not connect more than the maximum number of enclosures per drive channel which is eight for EXP520s and EXP810s 5 The DS5020 storage subsystem supports the connection of a maximum of six storage expansion enclosures per redundant drive channel loop and suppor
44. DS5020 Storage Server e NVSRAM version e Appware version e Bootware version Drives e Firmware version e ATA translator card firmware version SATA E DDMs only Note The ATA translator card firmware and drive firmware are typically packaged together as a single drive firmware upgrade file ESM e ESM card firmware version Method Two Complete the applicable procedure to obtain the specified firmware version To obtain the controller firmware version Right click the Controller icon in the Physical View pane of the Subsystem Management window and select Properties The Controller Enclosure properties window opens and displays the properties for that controller IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide You must perform this step for each individual controller To obtain the drive firmware and ATA translator card firmware version Right click the Drive icon in the Physical View pane of the Subsystem Management window and select Properties The Drive Properties window opens and displays the properties for that drive You must perform this step for each individual drive To obtain the ESM and drive enclosure component firmware versions 1 In the Physical View pane of the Subsystem Management window click the Drive Enclosure Component icon which is the icon furthest to the right The Drive Enclosure Component Information window opens 2 Click the ESM icon in the left pane T
45. Figure 60 shows an example of a two cluster configuration Cluster 1 Cluster 2 Host system Host system Host system Host system with two host with two host with two host with two host adapters adapters adapters adapters Switch _ f f Switch a ye DS5020 Figure 60 Example of a two cluster configuration iSCSI configurations The DS5020 storage subsystem supports 1 Gbps iSCSI connectivity You must determine how the host systems will connect to the storage subsystem The illustrations in the following sections show common iSCSI host system configurations The iSCSI ports support IPv4 and IPv6 TCP IP addresses CHAP and iSNS Use either Cat5E or Cat6 Ethernet cable types for iSCSI port connections A Cat6 Ethernet cable provides optimal performance Chapter 3 Cabling the storage subsystem 87 88 Note The minimum DS5020 configuration is two partitions The maximum is 128 partitions Configuration upgrades are available as upgrade options Contact your IBM reseller or marketing representative for more information DS5020 host iSCSI configurations This section provides the following examples of DS5020 host iSCSI configurations e Single host multiple port configuration as shown in Figure 61 e Multiple host multiple port configuration as shown in Figure 62 on page 89 e iSCSI and Fibre Channel hosts multiple port configuration as shown in Figure 63 on pa
46. Figure 69 on page 105 Figure 70 on page 105 and Figure 71 on page 106 show the three different DS5020 controller configurations that are available Figure 69 on page 105 shows the base DS5020 storage subsystem with two Fibre Channel host ports For more information about DS5020 controller options and other components see the Parts listing on page 160 104 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Diagnostic Heartbeat LED LED Service Service action action Cache allowed required active LED LED LED i 0009 Oo 0 0 o o 0 0 od DO 000 O f LI ac Lae race Host channel Host channel Drive channel Ethernet link speed L1 LED speed L2 LED port bypass LED activity LED Drive channel Ethernet link speed LED speed LED Figure 69 LEDs controls and connectors of controllers with two standard Fibre Channel host expansion channels Diagnostic Heartbeat LED LED
47. For more information about how to complete these tasks check the DS Storage Manager online help or the Storage Manager guide for your operating system During any maintenance or attended power up procedure carefully follow the power up sequence listed in Powering on the storage subsystem on page 95 Check that each component of the subsystem is powered on in the proper order during this entire power up procedure so the controller will be able to optimally access all of your storage subsystems The storage subsystem supports simultaneous power up to the system components but always follow the power up sequence listed in Powering on the storage subsystem on page 95 during any attended power up procedure A storage system in an optimal state recovers automatically from an unexpected shutdown and unattended simultaneous restoration of power to system components After power is restored call IBM support if any of the following conditions occur The storage subsystem logical drives and subsystems are not displayed in the DS Storage Manager graphical user interface GUI The storage subsystem logical drives and subsystems do not come online The storage subsystem logical drives and subsystems seem to be degraded Storage subsystem components The storage subsystem has the following removable components These components called customer replaceable units CRUs are accessible from the front or back of the storage
48. Guide DS5020 Installation User s and Maintenance Guide About this document XxXi Table 1 Where to find DS5020 and DS4000 family installation and configuration procedures continued Installation task Where to find information or procedures Route the storage expansion unit Fibre Channel cables Route the host server Fibre Channel cables Power up the subsystem DS4100 Storage Subsystem Installation User s and Maintenance Guide DS4200 Express Storage Subsystem Installation User s and Maintenance Guide DS4300 Storage Subsystem Installation User s and Maintenance Guide DS4400 Fibre Channel Cabling Instructions DS4500 Storage Subsystem Installation User s and Maintenance Guide DS4700 Express Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4700 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 DS4800 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4800 DS5000 Installation User s and Maintenance Guide DS5020 Installation User s and Maintenance Guide Configure DS5020 network settings DS Storage Manager Version 10 Installation and Host Support Guide DS4100 Storage Subsystem Installation User s and Maintenance Guide DS4200 Express Storage Subsystem Installation User s
49. IBM marketing representative for more information 12 To attach 33 64 additional drives to the DS5020 you must purchase the DS5020 Drive Attach 33 64 feature option To attach 65 112 additional drives to the DS5020 you must purchase the DS5020 Drive Attach 65 112 feature option in addition to the DS5020 Drive Attach 33 64 feature option Contact your IBM marketing representative for more information 68 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide ESM ESM port 1B port 1A ji en a l Last EXP810 storage expansion ESMB enclosure EXP810 F Li ESM A ESM port 1A Port 1A I Other storage expansion enclosures l ESM ESM port1B port 1A l AR l ESMA i First EXP810 storage expansion h ESMB enclosure EXP810 i y Ld s N ESM Drive channel ESM ie 1B port potiA x por omo o o o A 000 J Ale ry L fe S DS5020 gE ooo E T RETS ol Drive channel port Figure 45 DS5020 drive ports connected to EXP810 ESM ports labeled 1B 13 The DS5020 supports the intermix of SATA and Fibre Channel E DDMs within the same drive enclosure Chapter
50. Installing the DS5020 ALS ee me ae N ae Aa eae sie ar ze A 20 Securing the DS5020 to the rack cabinet She ee A ee Be he ae A ee me oe A 21 Removing and replacing a controller 2 ew eee ee 42 22 Replacing a power supply and fan unit 2 2 a ee 48 23 Replacing an E DDM oof a Ue Ge Oh oR BSA oe me a of w AA 24 Storage subsystem seven segment enclosure IDs oP ew Bids Ge we ce a ge Ge Boe b we ae 46 25 Bending and looping specifications for fiber optic cables 2 2 2 48 26 SFP module and protective cap en A e e n o aa a e A a a OT a O0 27 Installing an SFP module into the host port sog the a den eS a en a a ee ie amp a 00 28 Unlocking the SFP module latch plastic variety aa ee 51 29 Unlocking the SFP module latch wire variety 51 30 LC LC Fibre Channel cable EUER e er GE ne Boe eo Be gt 31 Removing fiber optic cable protective caps er is dar ee me 2 D9 32 Inserting an LC LC Fibre Channel cable into an SFP module SG one ee oe ae ee oe te oe BS 33 LC LC Fibre Channel cable lever and latches 2 2 2 54 34 Removing the LC LC Fibre Channel cable 2 2 2 2 2 54 35 Example of a redundant drive channel pair nn non ee ee ee ee 5B 36 DS5020 storage subsystem ports and controllers mee RS oe Ae we ae 208 37 Cabling for one DS5020 and one storage expansion enclosure jean we a wl ae G
51. O o Lil oG 00 o 0 0 0 wa Oowe Figure 81 Link rate LEDs Chapter 5 Replacing components 137 If both link rate indicator LEDs are on the data transfer rate is set for 4 Gbps If one link rate indicator light is on the data transfer rate is set for 2 Gbps Important Make sure that the link rate for the DS5020 is always set to 4 Gbps The DS5020 supports only 4 Gbps FC drives Is the data transfer rate set correctly Note Make sure that the link rate for the DS5020 is always set to 4 Gbps e Yes Go to step 8 e No Go to step 5 to change the setting Attention When you handle static sensitive devices take precautions to avoid damage from static electricity For details about handling static sensitive devices see Handling static sensitive devices on page 29 Locate the link rate switch Figure 81 on page 137 shows the location of the link rate indicator light on the front of the command module
52. Support e No Go to step 20 20 Create save and print a new storage subsystem profile Replacing a battery unit Statement 2 A CAUTION When replacing the lithium battery use only an equivalent type battery recommended by the manufacturer If your system has a module containing a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not e Throw or immerse into water e Heat to more than 100 C 212 F e Repair or disassemble Dispose of the battery as required by local ordinances or regulations Each RAID controller in the DS5020 storage subsystem contains a rechargeable battery unit that backs up data in cache to flash memory in the event of power failure Use the following procedure if the DS Storage Manager client instructs you to replace the battery unit because the current battery has failed You can also use the DS Storage Manager client to check the status of the battery Because write caching is disabled when either one of the battery units fail replace the failed battery unit as soon as possible to minimize any impact due to the disabling of the write caching function Replace only the battery unit that is indicated as failed by the LEDs You do not need to replace both battery units when the Battery LEDs indicate that only one battery unit has failed If the battery is identifie
53. and DS Storage Manager Version 10 Installation and Host logical drives Support Guide 17 Configure host e DS Storage Manager online help partitions 18 Verify host access to DS5020 storage 19 Add storage capacity IBM System Storage Migration Guide or configure migration of drives Getting information help and service If you need help service or technical assistance or just want more information about IBM products you will find a wide variety of sources available from IBM to assist you This section contains information about where to go for additional information about IBM and IBM products what to do if you experience a problem with your system and whom to call for service if it is necessary Before you call Before you call take these steps to try to solve the problem yourself e Check all cables to make sure that they are connected e Check the power switches to make sure that the system is turned on e Use the troubleshooting information in your system documentation and use the diagnostic tools that come with your system e Check for technical information hints tips and new device drivers at the IBM support Web site pages that are listed in this section e Use an IBM discussion forum on the IBM Web site to ask questions You can solve many problems without outside assistance by following the troubleshooting procedures that IBM provides in the DS Storage Manager online help or in the documents th
54. and fan unit switch might not be turned on The power cord plug might not be fully inserted into the power outlet or the power supply and fan unit ac socket There is not any power to the outlet that the power supply unit is connected to The power cord might be faulty Go to step 16 e Fault and ac power LED are on but the power LED is off The power supply and fan unit is faulty Turn the power supply and fan unit power switch to off and contact IBM Customer and Technical Support for another power supply and fan unit e AC and Power LED is on and Fault LED is off Go to step 17 Perform the following task or task s to resolve the problem e Make sure that the power switch is turned to the on position e Make sure that there is power at the ac outlet and no circuit breaker has tripped e Make sure that the power cord is working and fully seated into the electrical outlet and the power supply and fan unit ac socket e Reinstall the power supply and fan unit If the above tasks do not resolve the problem contact IBM Customer and Technical Support Complete any remaining Recovery Guru procedures if needed Check the status of each component in the storage subsystem Do any components have a Needs Attention LED Chapter 5 Replacing components 143 e Yes Select the Recovery Guru toolbar button in the Subsystem Management window and complete the recovery procedure If a problem is still indicated contact IBM Customer and Technical
55. as required by the National Electrical Code and the Canadian Electrical Code The total load connected to the power distribution unit must be less than the rating of the power distribution unit For example a power distribution unit with a 30 A connection will be rated for a total load of 24 A 30 A x 80 percent Therefore the sum of all equipment connected to the power distribution unit in this example must be lower than the 24 A rating If an uninterruptible power supply is installed it must meet all the above electrical safety requirements as described for a power distribution unit including certification by an NRTL 6 The rack or cabinet power distribution unit uninterruptible power supply multi outlet strips and all products in the rack or cabinet must be installed according to the manufacturer s instructions and in accordance with all national state or province and local codes and laws The rack or cabinet power distribution unit uninterruptible power supply multi outlet strips and all products in the rack or cabinet must be used as intended by the manufacturer per manufacturer s product documentation and marketing literature 7 All documentation for use and installation of the rack or cabinet power distribution unit uninterruptible power supply and all products in the rack or cabinet including safety information must be available on site 8 If there is more than one source of power in the rack cabinet there mus
56. cables and power supplies If applicable check the power components power units or universal power supply Replace defective power cables Drives are part of an exported array When the array is exported the power to the drives in the array is turned off so that they can be removed from the Use the Subsystem Management window in the DS Storage Manager to verify that the drives are indeed part of an exported array If they are remove the drives from the storage subsystem as required Note If the drives are removed enclosure the empty drive slots must be filled with other drives or blank drive trays to ensure optimal air flow Drives are Use the Subsystem Management incompatible Power to incompatible drives is turned off when they are inserted into the window in the DS Storage Manager to verify that the drives are recognized as incompatible Replace the incompatible drives with drive options that are drive slots supported by the storage subsystem controllers See the Parts listing on page 160 for a list of compatible drives Drive failure Use the Subsystem Management window in the DS Storage Manager to verify that the drive or drives are recognized as failed by the storage subsystem Replace the failed drives See the Parts listing on page 160 for a list of compatible drives Power supply failure Check the power supply Fault LED on the power supply If the LED is lit
57. channel 2 Port 2 drive channel 2 EXP520 one fee ab I EXP520 two eo EXP520 three ie kai 1B 1A Figure 48 One DS5020 and three EXP520 storage expansion enclosures behind a pair of DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 48 1 Connect port 1A on the left ESM in EXP520 one to port 1B on the left ESM in EXP520 three 2 Connect port 1A on the right ESM in EXP520 three to port 1B on the right ESM in EXP520 one 3 Connect port 1B on the left ESM in EXP520 one to port 2 of drive channel 1 on the DS5020 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 4 Connect port 1 of drive channel 2 on the DS5020 to port 1B on the right ESM in EXP520 three 5 Connect port 1B on the left ESM in EXP520 two to port 1 of drive channel 1 on the DS5020 6 Connect port 1B on the right ESM in EXP520 two to port 2 of drive channel 2 on the DS5020 Figure 49 on page 74 shows the cabling scheme for one DS5020 storage subsystem and four EXP520 storage expansion enclosures behind both ports of a dual ported drive channel Chapter 3 Cabling the storage subsystem 73
58. client to view the Storage Subsystem Profile to verify that you are not mixing long wave and short wave SFPs Attention Do not use long wave SFPs or GBICs in any of the Fibre Channel ports in the DS5020 controllers Long wave SFPs and GBICs are not supported for use in the DS5020 or any of the attached storage expansion enclosures e The SFP module housing has an integral guide key that is designed to prevent you from inserting the SFP module improperly e Use minimal pressure when inserting an SFP module into an SFP port Forcing the SFP module into a port could cause damage to the SFP module or to the port e You can insert or remove the SFP module while the port is powered on e Do not install an SFP in any port that will not have a fiber optic cable attached Remove any SFP from any port that does not have fiber optic cables attached 48 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide The operational or redundant loop performance is not affected when you install or remove an SFP module You must insert the SFP module into a port before you connect the fiber optic cable You must remove the fiber optic cable from the SFP module before you remove the SFP module from the port Refer tof Removing SFP modules on page Sofor more information The maximum operating speed of the Fibre Channel port is determined by two factors the speed of the SFP module that is installed and the speed of the Fibr
59. controlled electron beams are used to display alphanumeric or graphical data on an electroluminescent screen client A computer system or process that requests a service of another computer system or process that is typically referred to as a server Multiple clients can share access to a common server command A statement used to initiate an action or start a service A command consists of the command name abbreviation and its parameters and flags if applicable A command can be issued by typing it on a command line or selecting it from a menu community string The name of a community contained in each Simple Network Management Protocol SNMP message concurrent download A method of downloading and installing firmware that does not require the user to stop I O to the controllers during the process CRC See cyclic redundancy check CRT See cathode ray tube CRU See customer replaceable unit customer replaceable unit CRU An assembly or part that a customer can replace in its entirety when any of its components fail Contrast with field replaceable unit FRU cyclic redundancy check CRC 1 A redundancy check in which the check key is generated by a cyclic algorithm 2 An error detection technique performed at both the sending and receiving stations dac See disk array controller dar See disk array router DASD See direct access storage device data striping See striping default host group A logic
60. devices menu bars and other menus overlapping windows icons and the object action relationship GUI See graphical user interface HBA See host bus adapter hdisk An AIX term representing a logical unit number LUN on an array heterogeneous host environment A host system in which multiple host servers which use different operating systems with their own unique disk storage subsystem settings connect to the same DS5020 storage subsystem at the same time See also host host A system that is directly attached to the storage subsystem through a fibre channel input output I O path This system is used to serve data typically in the form of files from the storage subsystem A system can be both a storage management station and a host simultaneously host bus adapter HBA An interface between the fibre channel network and a workstation or server host computer See host host group An entity in the storage partition topology that defines a logical collection of host computers that require shared access to one or more logical drives host port Ports that physically reside on the host adapters and are automatically discovered by the DS Storage Manager software To give a host computer access to a partition its associated host ports must be defined hot swap To replace a hardware component without turning off the system hub In a network a point at which circuits are either connected or switched For example
61. drive mirror pair that is set up using asynchronous write mode without the write consistency group option This is also referred to as Asynchronous Mirroring without Consistency Group Global Copy does not ensure that write requests to multiple primary logical drives are carried out in the same order on the secondary logical drives as they are on the primary logical drives If it is critical that writes to the primary logical drives are carried out in the same order in the applicable secondary logical drives Global Mirroring should be used instead of Global Copy See also asynchronous write mode Global Mirroring remote mirroring Metro Mirroring Global Mirroring Refers to a remote logical drive mirror pair that is set up using asynchronous write mode with the write consistency group option This is also referred to as Asynchronous Mirroring with Consistency Group Global Mirroring ensures that write requests to multiple primary logical drives are carried out in the same order on the secondary logical drives as they are on the primary logical drives preventing data on the secondary logical drives from becoming inconsistent with the data on the primary logical drives See also asynchronous write mode Global Copy remote mirroring Metro Mirroring graphical user interface GUI A type of computer interface that presents a visual metaphor of a real world scene often of a desktop by combining high resolution graphics pointing
62. expansion enclosure and the DS5020 storage subsystem using the procedure described in Powering on the storage subsystem on page 95 14 Install the DS Storage Manager host software on the management workstation for out of band management or on the host for in band management Refer to the IBM System Storage DS Storage Manager Version 10 Installation and Host Support Guide for the appropriate operating system for instructions on how to install the DS Storage Manager host software 15 Use the DS Storage Manager host software to verify the configuration 16 Review and perform the procedures described in Performing the DS5020 Health Check process on page 93 Handling static sensitive devices Attention Static electricity can damage electronic devices and your system To avoid damage keep static sensitive devices in their static protective packages until you are ready to install them To reduce the possibility of electrostatic discharge ESD observe the following precautions e Limit your movement Movement can cause static electricity to build up around you e Handle the device carefully holding it by its edges or its frame e Do not touch solder joints pins or exposed printed circuitry e Do not leave the device where others can handle and possibly damage the device e While the device is still in its static protective package touch it to an unpainted metal part of the system unit for at least two seconds T
63. falsely indicating the power supplies are bad All of the E DDMs in the DS5020 storage subsystem and the connected storage expansion enclosure or enclosures must contain no prior configuration data E DDM CRU labels A label is provided on the front of each E DDM Use this label to record the location information for each E DDM before you remove it Make sure that you keep track of the E DDMs and their corresponding bays Also record the location information in Table 24 on page 166 If you install an E DDM in the wrong bay you might lose data e E DDM LEDs Each E DDM CRU tray has two associated LEDs a green Activity LED and an amber Fault LED These LEDs indicate the status for that drive See Table 18 on page 128 for the E DDM LED states and descriptions Chapter 5 Replacing components 127 e E DDM CRUs are not interchangeable between the DS5020 and other DS4000 storage subsystems Table 18 Drive LED activity LED LED state Descriptions Activity LED Flashing green The green LED flashes to indicate Fibre Channel activity to the drive Activity LED Steady green The green LED lights to indicate that the drive is properly installed and is spun up by the DS5020 controller Fault LED Flashing The amber LED flashes to indicate that a drive has been amber identified by the software Fault LED Steady amber The amber LED lights to indicate a drive failure due to bad or uncertified drive The green activity
64. in a star network the hub is the central node in a star ring network it is the location of wiring concentrators IBMSAN driver The device driver that is used in a Novell NetWare environment to provide multipath input output I O support to the storage controller IC See integrated circuit IDE See integrated drive electronics in band Transmission of management protocol over the fibre channel transport Industry Standard Architecture ISA Unofficial name for the bus architecture of the IBM PC XT personal computer This bus design included expansion slots for plugging in various adapter boards Early versions had an 8 bit data path later expanded to 16 bits The Extended Industry Standard Architecture 206 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide EISA further expanded the data path to 32 bits See also Extended Industry Standard Architecture initial program load IPL The initialization procedure that causes an operating system to commence operation Also referred to as a system restart system startup and boot integrated circuit IC A microelectronic semiconductor device that consists of many interconnected transistors and other components ICs are constructed on a small rectangle cut from a silicon crystal or other semiconductor material The small size of these circuits allows high speed low power dissipation and reduced manufacturing cost compared with b
65. information record This network contains storage subsystems that are managed by using both the direct management and host agent management method Table 23 Sample information record Storage Management Controllers Ethernet and IP Host IP address subsystem name method addresses and host name and host name Controller A Controller B Finance Direct Hardware Hardware Ethernet address Ethernet address 00a0b8020420 00a0b80000d8 IP address IP address 192 168 128 101 192 168 128 102 Host Denver_a Host Denver_b Engineering Host agent IP address 192 168 2 22 Host Atlanta Appendix A Records 165 Installed device records Use the following table to record the number of the hard disk drives that you replaced and the corresponding bay number Attention If you replace a hard disk drive in the wrong drive bay it might cause a loss of data Table 24 Hard disk drive record Replaced hard disk drive serial Bay number Hard disk drive serial number number 166 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Appendix B Rack mounting templates Copyright IBM Corp 2009 This appendix provides duplicate copies of the rack mounting templates If you want to tear out the templates from this document use these copies rather than those provided in Installing the support rails on
66. new E DDM before installing the next E DDM After you install the new E DDMs you can configure them to make the additional drive space available See the procedure in Replacing the E DDMe one at a time or Using this method you can replace the E DDMs while the storage expansion enclosures and the DS5020 are running eliminating the down time that is required if you replace all the E DDMs at once However this method is more risky because you can lose data if the drive restoration or storage subsystem reconfiguration process fails In addition the reconstruction process might take a long time This method works only on redundant logical drives RAID 1 3 or 5 You cannot use this method with any drives containing RAID 0 logical drives Consider backing up your data if you use this method This safeguards your data if the restoration and reconfiguration process fails or the new drive malfunctions The method you use depends on the following considerations e Which method most closely matches the drive upgrade procedure in the operating system or the storage management software documentation Chapter 5 Replacing components 131 e Which RAID level is used on the affected drives RAID O requires you to replace all the E DDMs at the same time e How much downtime is acceptable as you swap the E DDMs e The number of E DDMs in an array Replacing E DDMs one at a time is better suited for arrays consisting of 3 to 5 E DDMs If you hav
67. of the storage subsystems see Direci out of band management method on page 81 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Important 1 The serial interface ports are intended to be used by service technicians to perform diagnostic operations on the storage subsystem Incorrect use of the serial port can result in loss of data access and in some cases in loss of data Do not make connections to the serial port unless you do so under the direct supervision and guidance of IBM support personnel The serial port connection requires a special PS2 DIN to DB9 male converter IBM Service and support personnel see the Serial cable adapter RoHS ne for the FRU P N 2 To minimize security risks do not connect the DS5020 in a public LAN or public subnet Use a local private network for the DS5020 and the management station Ethernet ports 3 For proper EMI shielding always use quality braided and shielded serial cables Connect a pair of Ethernet cables from the storage management station to the Ethernet ports for controller A located on the top and controller B located on the bottom on the back of the storage a the location of the ports on the DS5020 storage subsystem Only one Ethernet port connection from each controller is required to establish a direct out of band management connection to the DS5020 storage subsystem Notes 1 The alignment of the Ethernet and serial por
68. or 3 Gbps SATA E DDMs SATA E DDMs have an ATA translator card that converts the Fibre Channel protocol interface of the DS5020 drive channel or loop into the hard drive SATA protocol interface It also provides dual paths to the SATA drive for drive CRU path redundancy Each drive ATA translator card also referred to as interposer card and carrier assembly are called SATA E DDM CRUs The Fibre Channel E DDMs consist of the Fibre Channel and the carrier assembly drive tray Install E DDM CRUs in the 16 drive bays on the front of the storage subsystem from the leftmost slot slot 1 to the rightmost slot slot 16 When an E DDM is installed the drive and tray slot designation is set automatically The hardware addresses are based on the enclosure ID which is set by the controller software and on the E DDM physical location in the storage subsystem The DS5020 storage subsystem drive channel operates at a 4 Gbps Fibre Channel interface speed Make sure that the DS5020 enclosure speed switch is set correctly for 4 Gbps Fibre Channel E DDM CRUs The DS5020 storage subsystem SATA E DDM CRUs have an ATA translator card that converts E DDM 3 Gbps SATA drive interface protocol to a 4 Gbps Fibre Channel interface protocol Operate these SATA E DDMs at 4 Gbps Fibre Channel operating speed Note Even though the DS5020 has a 2 or 4 Gbps Fibre Channel Link Rate switch that can be used to set the drive channel speed at 2 Gbps the link rate speed mu
69. powered up Note Do not mix storage subsystems with different link rate speed settings in the same drive loop The DS5020 storage subsystem drive channel operates at a 4 Gbps Fibre Channel interface speed The DS5020 storage subsystem SATA E DDM CRUs have an ATA translator card that converts E DDM 3 Gbps SATA drive interface protocol a 4 Gbps Fibre Channel interface protocol Set the DS5020 enclosure speed to 4 Gbps when these SATA E DDM CRUs are installed and connected to storage expansion enclosures running at 4 Gbps speed The link rate setting speed must be set accordingly See Verifying the link rate setting for more information Do not mix 2 GB drives and 4 GB drives in the same storage subsystem If drives of mixed speeds reside in the storage subsystem the data transfer rate changes depending on the configuration Table 19 on page 137 shows the data transfer rates for drives of different configurations IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide CAUTION Do not change the link rate setting while the storage subsystem is running Changing the link rate setting while the storage subsystem is running could cause drives to fail You must power down the storage subsystem and storage expansion enclosures before changing the link rate setting Attention All devices on the loop must have the same data transfer rate which means that you must set the link rate on the storage expansio
70. product in the rack including any power distribution unit A disconnect device might consist of either the plug on the power cord if the power cord is no longer than 1 8 m 6 ft the appliance inlet receptacle if the power cord is of a detachable type or a power on off switch or an Emergency Power Off switch on the rack provided all power is removed from the rack or product by the disconnect device If the rack or cabinet has electrical components such as fan trays or lights the rack must have an accessible and unambiguous disconnect device 4 The rack or cabinet power distribution unit and multi outlet strips and products installed in the rack or cabinet must all be properly grounded to the customer facility ground There must be no more than 0 1 Ohms between the ground pin of the power distribution unit or rack plug and any touchable metal or conductive surface on the rack and on the products installed in the rack Grounding method must comply with applicable country s electric code such as NEC or CEC Ground continuity can be verified by your IBM service personnel after the installation is completed and should be verified prior to the first service activity 5 The voltage rating of the power distribution unit and multi outlet strips must be compatible with the products plugged into them The power distribution unit or multi outlet strips current and power ratings are rated at 80 percent of the building supply circuit
71. remote mirroring Online real time replication of data between storage subsystems that are maintained on separate media The Enhanced Remote Mirror Option is a DS5020 premium feature that provides support for remote mirroring See also Global Mirroring Metro Mirroring ROM See read only memory router A computer that determines the path of network traffic flow The path selection is made from several paths based on information obtained from specific protocols algorithms that attempt to identify the shortest or best path and other criteria such as metrics or protocol specific destination addresses RVSD See recoverable virtual shared disk SAI See Storage Array Identifier SA Identifier See Storage Array Identifier SAN See storage area network SATA See serial ATA scope Defines a group of controllers by their Internet Protocol IP addresses A scope must be created and defined so that dynamic IP addresses can be assigned to controllers on the network SCSI See small computer system interface segmenied loop port SL_port A port that allows division of a fibre channel private loop into multiple segments Each segment can pass frames around as an independent loop and can connect through the fabric to other segments of the same loop sense data 1 Data sent with a negative response indicating the reason for the response 2 Data describing an I O error Sense data is presented to a host system in response to a
72. subnet mask for all cases are 255 255 255 0 See Setting up IP addresses for DS5020 storage controllers on page 11 for more information The enclosure ID comprised of two seven segment numbers is located on the back of each controller next to the controller indicator lights The two digits that comprise the enclosure ID are referred to as x10 and x1 digits The enclosure ID provides a unique identifier for each enclosure in the storage subsystem The storage management software automatically sets the enclosure ID number You can only change the enclosure ID setting through the DS Storage Manager software There are no switches on the DS5020 chassis to manually set the enclosure ID Both controller enclosure ID numbers will be identical under normal operating conditions The default setting of the enclosure ID is a value of 85 Storage expansion enclosures in a DS5020 storage subsystem must also have unique enclosure IDs In addition to having unique enclosure IDs for each storage expansion enclosure including the DS5020 storage subsystems with drives installed in the DS5020 storage subsystem configuration make sure that the single digit x1 of the enclosure ID for every storage expansion enclosure in a redundant drive channel loop pair is unique If you do not set the single digit value of the enclosure IDs to be unique among storage expansion enclosures in a redundant drive channel loop pair it will be difficult to troubleshoot the s
73. that service must not weigh over 11 4 kg 25 Ib Contact your Installation Planning Representative if in doubt 12 There must not be any special education or training required for safe servicing of any of the product s installed in the racks Contact your Installation Planning Representative if in doubt Rack specifications When installing a DS5000 storage subsystem or DS5000 storage expansion enclosure into a non IBM rack follow the specifications below 1 The rack or cabinet must meet the EIA Standard EIA 310 D for 19 inch racks published August 24 1992 The EIA 310 D standard specifies internal dimensions for example the width of the rack opening width of the chassis the width of the module mounting flanges the mounting hole spacing and the depth of the mounting flanges The EIA 310 D standard does not control the overall external width of the rack There are no restrictions on the location of side walls and corner posts relative to the internal mounting space The front rack opening must be 451 mm wide 0 75 mm 17 75 in 0 03 in and the rail mounting holes must be 465 mm 0 8 mm 18 3 in 0 03 in apart on center horizontal width between vertical columns of holes on the two front mounting flanges and on the two rear mounting flanges Appendix C Specifications for non IBM rack installation 173 571 mm 22 50 in Drawer Rail a Mounting Flanges Figure 91
74. the Parts listing on page 160 for more information about compatible controllers e Both power supply and fan units must be connected and powered on with no Needs Attention LEDs lit Make sure that the Power LEDs on each of the power supply and fan units are lit If either of the power supply and fan units is not optimal replace that component before you proceed with the controller replacement procedure e If you are replacing an optimal controller first make sure that the other controller is optimal and that the Fibre Channel path from the hosts to the other controller is also optimal Each controller has a unique hardware Ethernet address which is printed on a label on the front Use the following procedure to replace a controller in an DS5020 storage subsystem 1 Use the DS Storage Manager client software to print a storage subsystem profile Move logical drive ownership to the other controller If the controller you are replacing has failed but is still operating move the failed controller to an Offline state Attention Never remove a controller unless the Service Action Allowed status LED is turned on Doing so can result in a potential loss of data 2 Locate the failed controller by checking the Needs Attention status LEDs on the controllers in the storage subsystem 3 Is the Service Action Allowed status LED turned on e Yes Go to step 4 e No Another component might require attention before you can remove the co
75. the SFP module as shown in Figure 34 Figure 34 Removing the LC LC Fibre Channel cable 3 Replace the protective caps on the cable ends 4 Replace the protective cap on the SFP module Connecting storage expansion enclosures to the DS5020 54 Attention Before you turn on the power to the DS5020 storage subsystem it must be populated with at least two E DDMs If at least two E DDMs are not installed in the DS5020 an insufficient load to the enclosure power supplies might cause them to intermittently appear as failed falsely indicating the power supplies are bad All of the E DDMs in the DS5020 storage subsystem and the connected storage expansion enclosure or enclosures must contain no prior configuration data IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide In the initial installation of the DS5020 you can add only new storage expansion enclosures to the DS5020 storage subsystem This means there must be no existing configuration information about the storage expansion enclosures that you want to install The DS5020 supports the attachment of up to six EXP520 and EXP810 storage expansion enclosures resulting in the capability to connect up to 112 E DDMs and enabling storage configurations of over 49 TB using 450 GB Fibre Channel E DDMs or 112 TB using 1 TB SATA E DDMs The base DS5020 storage subsystem supports up to 32 drives which includes 16 drives in the DS5020 chassis and 16 mo
76. the following steps a Run the DS Storage Manager Recovery Guru by selecting the Recovery Guru toolbar button in the Subsystem Management window b Complete the recovery procedure If the Recovery Guru directs you to replace a failed component use the individual LEDs on the storage subsystem to locate the specific failed component For troubleshooting procedures see Chapter 6 Hardware maintenance on page 153 c When the recovery procedure is completed select Recheck in the Recovery Guru This action reruns the Recovery Guru to make sure that the problem has been corrected d If the problem persists contact your IBM service representative Installing the DS Storage Manager client See the IBM System Storage DS Storage Manager Installation and Host Support Guide for the applicable operating system for instructions on how to install the DS Storage Manager software Use that document and the online help to configure the logical drives partitions and so on for the RAID controllers Use your operating system documentation to make the new logical drives accessible to the operating system Do not proceed with the configuration setup until you have completed the DS Storage Manager installation Assemble any additional items in preparation for software installation These items might include the following e HBA drivers e Controller firmware version listed at the IBM System Storage Support Web site http www ibm com syste
77. the indicator lights It provides a unique identifier for each enclosure in the DS5020 storage subsystem configuration The controller automatically sets the enclosure ID number You can change the setting through the storage management software if necessary Both controller enclosure ID numbers are identical under normal operating conditions Each storage expansion enclosure including the DS5020 storage subsystem in the DS5020 storage subsystem configuration must have a unique storage enclosure ID In addition the single digits x1 of the enclosure IDs of all storage expansion enclosures and the DS5020 storage subsystem in the redundant drive channel loop pair must be unique Although the allowable ranges for enclosure ID settings are 0 99 do not set the enclosure ID to 00 or any number less than 80 The DS5020 enclosure ID is usually set to a value of 85 before it is shipped Figure 24 on page 46 shows the enclosure ID areas Note Your DS5020 hardware might differ slightly from the following illustration Copyright IBM Corp 2009 45 Enclosure ID sl gro POT 000 JA JAn Ssss BIE fe o fe of OO Br A olf 0 0 0 0 000 Cove N 9 0 0 0 0 0 oo Enclosure ID
78. to dc voltage If one power supply is turned off or malfunctions the other power supply maintains electrical power to the storage subsystem To preserve the optimal airflow do not remove a failed power supply and fan unit CRU from the DS5020 chassis until you are ready to replace it with anew CRU shows power supply and fan unit components for the DS5020 Notes 1 Your DS5020 hardware might differ slightly from the following illustration 2 Although both power supply and fan units left and right are identical they are seated in the DS5020 chassis in opposite orientations If the power supply and fan unit cannot fully be inserted in the power supply and fan unit bay flip it 180 degree and reinsert it Power supply Power Power and fan unit B switch connector 5 o o0 Oo oo O oo 0 0 ooo i i ole C200 EB a oo0 JO so IE ooo GQ 7 de Power Power Power supply connector switch and fan unit A Figure 5 Power supply and fan unit components for the DS5020 Chapter 1 Introduction 13 shows a power supply and fan unit and the airflow through the storage
79. you can remove the DS5020 rack mounting rails and hardware from the box The DS5020 rack mounting rails and hardware are placed on the bottom of the shipping box under the DS5020 storage subsystem Install the support rails in the rack cabinet See Installing the support rails on page 32 AUN Copyright IBM Corp 2009 27 28 5 Before removing the DS5020 from the shipping box remove the components from the DS5020 chassis to lighten the unit See Removing the CRUs on page 36 6 Record the serial number machine type and model number and RAID controller MAC addresses for your DS5020 storage subsystem in Appendix A Records on page 163 The serial number machine type and model number are located on the left edge of the front unit as shown in Figure 12 Ser ial number Machine type Model number Figure 12 Example of DS5020 serial number machine type and model number location The MAC addresses are located near the Ethernet ports on each RAID controller 7 Install and secure the DS5020 chassis in the rack cabinet See Installing the DS5020 into a rack on the support rails on page 40 8 If needed replace the components in the installed DS5020 chassis See 9 Install the storage expansion enclosure or enclosures you will cable to the DS5020 in the rack cabinet Follow the instructions in the Installation User s and Maintenance Guide for your storage expansion enclosure to set
80. 0 Storage Subsystem Installation User s and Maintenance Guide Table 21 Parts listing DS5020 storage subsystem Index DS5020 storage subsystem CRU P N 1 Rail kit 41Y5152 2 Battery 59Y5151 3 Controller 1 GB memory two standard 8 Gbps FC host ports two standard 4 Gbps FC drive channel ports 59Y5251 Controller 1 GB memory two standard 8 Gbps FC host ports one optional 2 port 8 Gbps FC host card two standard 4 Gbps FC drive channel ports Controller 1 GB memory two standard 8 Gbps FC host ports one optional 2 port 1 GB iSCSI host card two standard 4 Gbps FC drive channel ports 59Y5252 59Y5254 Controller 2 GB memory two standard 8 Gbps FC host ports two standard 4 Gbps FC drive channel ports 59Y5256 Controller 2 GB memory two standard 8 Gbps FC host ports one optional 2 port 8 Gbps FC host card two standard 4 Gbps FC drive channel ports 59Y5258 Controller 2 GB memory two standard 8 Gbps FC host ports one optional 2 port 1 GB iSCSI host card two standard 4 Gbps FC drive channel ports AC power supply and fan unit 600 W 59Y5259 42D3346 Small Form factor Pluggable transceiver 8 Gbps 49Y4123 AC power cord 2 8 m 39M5081 DVDs Firmware and DS Storage Manager 42D3315 Chapter 6 Hardware maintenance 161 162 Table 21 Parts listing DS5020 storage subsystem continued
81. 000 Problem Determination Guide provide you with additional diagnostic aids Solving problems This section contains information to help you solve some of the problems you might have with your storage subsystem Table 20 on page 154 contains the problem symptoms and error messages along with suggested actions to take to resolve problems Always use the DS Storage Manager client to diagnose storage subsystem problems and component failures and find solutions to problems that have definite symptoms You can use Table 20 on page 154 which contains the problem symptoms and error messages along with suggested actions as a guide for troubleshooting problems in addition to the DS Storage Manager Recovery Guru in the Subsystem Management window Do not depend solely Table 20 on page 154 tor a FRU replacement decision See the problem determination maps in the DS4000 Problem Determination Guide for more detailed procedures for problem isolation Copyright IBM Corp 2009 153 154 Table 20 Symptom to FRU index Problem indicator Amber LED is lit Component Drive CRU Drive Fault LED Note The green Drive Activity LED might also be lit Possible cause Drive failure Possible solutions Replace the failed drive Note The amber LED on the drive is also lit if the drive slot has a blank drive tray inserted Drive uncertified Verify the drive option and FRU part number to verify that it is support
82. 10 on page 22 shows the intended airflow for the DS5020 Allow at least 30 inches in front of the storage subsystem and at least 24 inches behind the storage subsystem for service clearance proper ventilation and heat dissipation Chapter 1 Introduction 21 Figure 10 DS5020 airflow Table 8 lists the KVA watts and Btu calculations These values assume the power supplies have a 73 percent efficiency and a power factor of 0 99 These tabulated power and heat dissipation values are typical for the storage subsystem Maximum configuration units are typically operated at higher data rates have larger random access memory RAM capacities or have different host interface boards Table 8 DS5020 power and heat dissipation KVA Watts ac 0 496 447 Parameter DS5020 Btu per hour 1529 Shock and vibration requirements Operational shock and operational vibration requirements are shown in this section Operational Shock The DS5020 will be able to withstand the following shock Subjecting the equipment to a single shock pulse with the following characteristics will simulate this level of shock e Velocity change 20 inches per second e Wave form Triangular 109 3 75 ms Operational Vibration Random While in its normal operating position the DS5020 will continue operating when subjected to a random vibration test using the criteria shown Infrable 9 This test uses the indicated spectral power density for
83. 136 loop configurations overview 85 87 redundant 85 loop redundancy described 55 M managed hub in Fibre Channel loop configurations 85 in ISCSI loop configurations 87 88 using to connect host to RAID controller 82 memory cache cache active LED 116 size of 116 midplane replacing 149 Migration Guide 183 mixed configuration cabling topologies 66 multiple drives replacing 131 multiple E DDMs replacing 131 My Support 5 N non IBM rack installation 171 notes important 198 notices 197 electronic emission 200 FCC Class A 200 safety and caution xiii static sensitive precautions 121 numbers drive ID 9 numeric display 107 O out of band management method 81 overheating power supplies 114 overview of the product 1 P part numbers power cords 179 particulate contamination 199 planned shutdown powering off 109 power cord use by country 179 power cords 179 power indicator light power supply and fan unit 13 power outage due to overheated power supplies 114 power supply and fan unit described 13 Index 215 power supply and fan units ac description 13 power fan canister recovering from shutdown 114 power restoring after an emergency 112 powering off for planned shutdown 109 powering on after planned shutdown 95 after power supply shutdown 114 at initial startup 95 problem determination 153 product ID 99 product overview 1 R rack cabinet EIA 310 D Type A 19 inch 34 preparatory procedures 32
84. 2 2 kg 115 0 Ib 1 Chassis with all CRUs and 16 drives Chassis without CRUs and drives but with front cage frame and midplane Table 3 DS5020 component weights Unit Weight Drive 0 75 kg 1 65 Ib Power supply and fan unit 3 60 kg 7 95 Ib Controller including cache battery backup 2 8 kg 6 1 Ib unit Battery unit 0 9 kg 2 Ib Shipping dimensions Table 4 lists shipping carton dimensions The height shown includes the height of the pallet Table 4 DS5020 shipping carton dimensions Height Width Depth 45 7 cm 18 0 in 62 6 cm 24 5 in 80 7 cm 31 75 in Environmental requirements and specifications This section describes the environmental requirements and specifications for the DS5020 storage subsystem including temperature and humidity altitude airflow and heat dissipation shock and vibration requirements and acoustic noise levels Temperature and humidity on ce the acceptable temperature and humidity ranges for the DS5020 storage subsystem when in storage or in transit Table 6 on page 2i lists temperature and humidity ranges for the storage subsystem in typical Information Technology IT or office environments Note Substantial deviations from the suggested operating range in either direction if sustained for extended periods of time will expose the unit to greater risk of failure from external causes Important The operating environment air temperature m
85. 20 8 Connect port 2 of drive channel 2 on the DS5020 to port 1B on the right ESM in the EXP520 four Figure 50 on page 76 shows the cabling scheme for one DS5020 storage subsystem and a maximum of six EXP520 storage expansion enclosures behind both ports of a dual ported drive channel Chapter 3 Cabling the storage subsystem 75 Port 2 drive channel 1 Port 1 drive channel 1 Port 1 drive channel 2 DS5020 2 fmol Port 2 drive channel 2 RS EXP520 one 1B i l 1A 1B tau L EF p it EXP520 two oe J I l 1A pt 1A 1B u ee ate EXP520 three wi 7 1B 1A i ipl am EXP520 four Hale 18 1 l i l 1A 1B a n Moy le ta EXP520 five l Be a l l nn CH I 1A 1B 2 2 Veen el EXP520 six l TE z l l 1B 1A j 1A 1B noe Figure 50 One DS5020 and a maximum of six EXP520 storage expansion enclosures behind a pair of DS5020 drive ports Perform the following steps to create the cabling scheme shown in Figure 50 IBM S
86. 20 Profile to verify that the following functions are enabled e For the DS5020 and all DS4000 models Media Scan is enabled both at the controller level and at the LUN level e For the DS5020 and all DS4000 models the read write cache is enabled In addition use the Storage Subsystem Profile to verify that cache is matched between the controllers IBM maintains pages on the World Wide Web where you can get the latest technical information and download device drivers and updates For DS5020 and DS4000 information go to the following Web site http www ibm com systems support storage disk For the latest information about operating system and HBA support clustering support SAN fabric support and Storage Manager feature support see the System Storage DS5020 and DS4000 Interoperability Matrix at the following Web site http www 1 ibm com servers storage disk ds4000 interop matrix html Hardware responsibilities In addition to the Health Check steps described above regular hardware inspection and maintenance helps to support the optimal performance of your DS5020 storage configuration Periodically inspect the Fibre Channel components of your DS5020 storage configuration The following guidelines are suggested e Maintain an up to date storage subsystem profile for your DS5020 storage configuration Save the profile to a server disk that will remain accessible in case of a DS5020 storage configuration failure Do not save the p
87. 20 storage subsystem as shown in Figure 55 on page 84 or a maximum of four redundant host connections not shown With four redundant host connections you can have a connection to a DS5020 Fibre Channel host bus adapter or to Fibre Channel switch ports Chapter 3 Cabling the storage subsystem 83 Host 1 Host Adapter 1 and 2 Vv Host 2 Host Adapter 1 and 2 Figure 55 Cabling diagram for two redundant host connections For other examples of redundant host configurations see Fibre Channel host loop configurations on page 85 Fibre Channel and iSCSI connections A DS5020 storage subsystem Fibre Channel connection consists of up to four host Fibre Channel loops and a redundant drive Fibre Channel loop The host Fibre Channel loops provide the fibre path for host attachment They can consist of Fibre Channel cables SFPs host bus adapters Fibre Channel switches and RAID controllers The redundant drive Fibre Channel loop provides the fibre path from the DS5020 storage subsystem to the hard disk drives HDDs in the storage expansion enclosures The redundant drive Fibre Ch
88. 3 Cabling the storage subsystem 69 One DS5020 and one EXP520 storage expansion enclosure Figure 46 shows the cabling scheme for one DS5020 storage subsystem and one EXP520 storage expansion enclosure Port 2 drive channel 1 Port 1 drive channel 1 DS5020 i Port 1 drive channel 2 obo b Port 2 drive channel 2 EXP520 cee ag J le ies al 1B 1A 1A 1B oS ae Figure 46 Cabling for one DS5020 and one EXP520 storage expansion enclosure Perform the following steps to create the cabling scheme shown in Figure 46 1 Connect either port 2 or port 1 of the dual ported drive channel 1 in controller A on the DS5020 to port 1B on the left ESM of the EXP520 2 Connect either port 1 or port 2 of the dual ported drive channel 2 in controller B on the DS5020 to port 1B on the right ESM of the EXP520 70 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide One DS5020 and two EXP520 storage expansion enclosures Figure 47 shows the cabling scheme for one DS5020 storage subsystem and two EXP520 storage expansion enclosures behind both ports of a dual ported drive channel Port 2 drive channel 1 1 drive channel 1 DS5020 Port 1 drive channel 2 BE Port 2 drive channel 2
89. 5020 In addition consider the following items e The storage subsystem supports simultaneous power up of the system components but you must always follow the power up sequence listed in the Best practices guidelines on page 5lsection during any attended power up procedure e A storage subsystem in an optimal state recovers automatically from an unexpected shutdown and unattended simultaneous restoration of power to system components After power is restored contact IBM technical support if any of the following conditions occur The storage subsystem logical drives and subsystems do not display in the Storage Manager graphical user interface GUI The storage subsystem logical drives and subsystems do not come online The storage subsystem logical drives and subsystems seem to be degraded 4 Turn on the power to each device based on the startup sequence 5 Turn on any attached disconnect devices 6 Turn on both of the power supply switches on the DS5020 The green LEDs on the front_and the back of the DS5020 remain lit If other amber Fault LEDs light see Solving problems on page 153 Chapter 4 Operating the storage subsystem 113 Recovering from an overheated power supply and fan unit Each storage subsystem contains two power supply and fan units Each power supply and fan unit contains a built in temperature sensor designed to prevent it from overheating Under normal operating conditions wit
90. 7 trademarks 197 troubleshooting 153 no power 114 overheating problem 114 procedure 100 turning off power for planned shutdown 109 turning off the storage subsystem 109 turning on power after power supply shutdown 114 at initial startup 95 U United States electronic emission Class A notice 200 United States FCC Class A notice 200 updates product updates 5 upgrades support code 18 user controls 8 W Web sites AIX fix delivery center xxvi DS4000 and DS5000 interoperability matrix xxv DS4000 and DS5000 storage subsystems xxv DS4000 and DS5000 technical support xxv IBM publications center xxvi IBM System Storage products xxv list xxv premium feature activation xxv readme files xxiv SAN support xxv switch support xxv Index 217 218 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Part Number 49Y0289 Printed in USA 1P P N 49Y0289
91. 99 205 A015 3039 E Cornwallis Road P O Box 12195 Research Triangle Park North Carolina 27709 2195 U S A In the request be sure to include the publication part number and title When you send information to IBM you grant IBM a nonexclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you Electronic emission notices Federal Communications Commission FCC statement Note This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits IBM is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment Unauthorized changes or modifications could void the us
92. AUTION To reduce the risk of electric shock or energy hazards e This equipment must be installed by trained service personnel in a restricted access location as defined by the NEC and IEC 60950 1 First Edition The Standard for Safety of Information Technology Equipment e Connect the equipment to a reliably grounded safety extra low voltage SELV source An SELV source is a secondary circuit that is designed so that normal and single fault conditions do not cause the voltages to exceed a safe level 60 V direct current e The branch circuit overcurrent protection must be rated 20 A e Use 12 American Wire Gauge AWG or 2 5 mm2 copper conductor only not exceeding 4 5 meters in length e Incorporate a readily available approved and rated disconnect device in the field wiring A CAUTION This unit has more than one power source To remove all power from the unit all dc MAINS must be disconnected Safety XVii Cable Warning WARNING Handling the cord on this product or cords associated with accessories sold with this product will expose you to lead a chemical known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling xviii IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide About this document This document provides instructions for installing and customizing the configuration of your IBM System Storage DS5020 sto
93. B backup battery unit Figure 84 Removing and replacing a battery unit from the controller chassis Chapter 5 Replacing components 145 Attention This product contains a sealed Lithium lon battery Discharged Lithium and Lithium lon batteries are currently designated to be disposed of in normal trash However users should contact their municipal waste disposal facility prior to discarding any used battery in normal trash Alternatively you can return Lithium Lithium lon and Lithium lon battery packs to IBM for recycling In the United States IBM has established a collection process for reuse recycling or proper disposal of used IBM Lithium Lithium lon and Lithium lon battery packs For information on proper disposal of these batteries please contact IBM at 1 800 426 4333 Please have the IBM part number listed on the battery available prior to your call For information on disposal of sealed Lithium lon batteries outside the United contact your local waste disposal facility 6 Place the battery unit that you removed on a level surface 7 Unpack the new battery unit Set the new battery unit on a dry level surface Save all packing materials in the event you need to return the new battery unit 8 Insert the new battery unit into the controller chassis Make sure the new battery unit is inserted in the correct orientation in the battery unit bay Press the battery unit fully into the bay until it clicks into place Do not force fi
94. EXP420 Storage Expansion Enclosure Installation User s and Maintenance Guide IBM System Storage DS4000 Hard Drive and Storage Expansion Enclosures Installation and Migration Guide 192 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Other DS5000 and DS4000 related documents Table 36 associates each of the following documents with its related common user tasks Table 36 DS5000 and DS4000 related document titles by user tasks Title Planning Hardware Installation Software Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM Safety Information vr IBM TotalStorage DS4000 Hardware Maintenance Manual 1 IBM System Storage DS4000 Problem Determination Guide IBM Fibre Channel Planning and Integration User s Guide and Service Information IBM TotalStorage DS4000 FC2 133 Host Bus Adapter Installation and User s Guide IBM TotalStorage DS4000 FC2 133 Dual Port Host Bus Adapter Installation and User s Guide IBM Netfinity Fibre Channel Cabling Instructions IBM Fibre Channel SAN Configuration Setup Guide Notes 1 The IBM TotalStorage DS4000 Hardware Maintenance Manual does not contain maintenance information for the IBM System Storage DS4100 DS4200 DS4300 DS4500 DS4700 or DS4800 storage subsystems You can fi
95. Fibre Channel and Serial ATA Intermix Premium Feature Installation Overview DS5020 storage subsystem library Table 27 associates each document in the DS5020 storage subsystem library with its related common user tasks Table 27 DS5020 storage subsystem document titles by user tasks Title User Tasks Planning Hardware Installation Software Installation Configuration Operation and Administration Diagnosis and Maintenance IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick start guide Quick reference for the DS5020 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 IBM System Storage DS5020 Quick Start Guide IBM System Storage DS5020 Installation User s and Maintenance Guide 184 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide DS4800 storage subsystem library Table 28 associates each document in the DS4800 storage subsystem library with its related common user tasks Table 28 DS4800 storage subsystem document titles by user tasks Title Planning Hardware Installation Software Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM System Storage DS4800 Storage Subsystem Installation User s and Maintenance Guide IBM Syst
96. Fibre Channel small computer system 204 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide interface FC SCSI hardware path ID It is required to be the same for all SCSI targets logically connected to an Fibre Channel adapter drive channels The DS4200 DS4700 and DS4800 subsystems use dual port drive channels that from the physical point of view are connected in the same way as two drive loops However from the point of view of the number of drives and enclosures they are treated as a single drive loop instead of two different drive loops A group of storage expansion enclosures are connected to the DS5020 storage subsystems using a drive channel from each controller This pair of drive channels is referred to as a redundant drive channel pair drive loops A drive loop consists of one channel from each controller combined to form one pair of redundant drive channels or a redundant drive loop Each drive loop is associated with two ports There are two drive channels and four associated ports per controller For the DS4800 drive loops are more commonly referred to as drive channels See drive channels DRAM See dynamic random access memory Dynamic Host Configuration Protocol DHCP A protocol defined by the Internet Engineering Task Force that is used for dynamically assigning Internet Protocol IP addresses to computers in a network dynamic random access memory DRAM A stora
97. IBM System Storage DS5020 Storage Subsystem all Installation User s and Maintenance Guide IBM System Storage DS5020 Storage Subsystem all Installation User s and Maintenance Guide Note Before using this information and the product it supports be sure to read the general information in Safety on page xiii and Notices on page 197 First Edition July 2009 Copyright International Business Machines Corporation 2009 US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp Contents Figures Tables Safety About this document Who should read this document How this document is organized DS5020 and DS4000 family er subsystem installation tasks General overview be a amp Ba FE ase oe x Getting information help and service Before you call Using the documentation Finding DS5020 and DS4000 amily readme files A Web sites gt j Software service and support Hardware service and support Fire suppression systems Chapter 1 Introduction Overview Base DS5020 features Operating system support Fibre Channel defined SATA defined iSCSI defined Inventory checklist Product updates and support notifications Best practices guidelines Storage subsystem components Enhanced Disk Drive Modules E DDMS Controllers Connectors switch and enclosure ID Setting up IP addre
98. LED lit 4 Put on antistatic protection 5 Unpack the new SFP module Verify that it is the same type of module you are replacing If it is not contact IBM Customer and Technical Support Note The speed of the SFP module determines the maximum operating speed of the Fibre Channel port in which the SFP is installed For example a 4 Gbps SFP that is plugged into an 8 Gbps capable port will limit the speed of that port to a maximum of 4 Gbps Chapter 5 Replacing components 147 sono Fiber optic cable Attention Handle and install fiber optic cables properly to avoid degraded performance or loss of communications with devices For specific handling guidelines see Handling fiber optic cables on page 47 Disconnect the interface cables from the SFP module Remove the failed SFP module from the controller Install the new SFP module into the controller Reconnect the interface cable Module Figure 85 Replacing an SFP module 10 11 12 13 14 15 16 17 Check the Bypass and Fault LEDs for the new SFP module Based on the status of the Bypass and Fault LEDs choose one of the following steps Bypass LED or Fault LED is on Reinstall the SFP module and cables and verify that the SFP module and cables are securely connected Use the Fibre Channel loopback and the LC LC connector to perform path diagnostics to make sure that the Fibre Channel cable is good and the SFP on the other end of th
99. LED might flash once every 2 seconds remain steady green or be unlit Activity and All unlit Check for and resolve one of the following situations Fault LEDs DS5020 is turned off DS5020 link rate speed is not set correctly Activity LED Flashing once Check for and resolve one of the following situations every 2 The controller did not complete the boot process seconds e Storage subsystem controller firmware is not correct Note Drives are spun down because they are in a not compatible state exported state or locked state due to an invalid security key Activity and Flashing Drive failure due to the incorrect link rate speed setting or Fault LEDs together ina internal drive hardware failures certain pattern e Fibre Channel loop IDs When you install an E DDM in the storage subsystem the drive tray connects into a printed circuit board called the midplane The midplane sets the Fibre Channel loop ID automatically based on the setting of the enclosure ID switch and the physical location bay of the drive CRU e Hot swap hardware The DS5020 contains hardware that enables you to replace a failed E DDM without turning off the storage subsystem You can continue to operate your system while an E DDM is removed or installed These E DDMs are known as hot swap E DDMs Installing hot swap E DDMs With the exception of the DS5020 storage subsystem initial power up add E DDMs while the storage subsyst
100. M CRUs from left to right consecutively For optimum performance never insert an E DDM into a storage subsystem without first confirming the drive firmware level In the event of a drive firmware mismatch schedule down time as soon as possible to upgrade the drive firmware to the same version For information about supported drive firmware versions refer to the IBM Storage Systems support Web site http www ibm com systems support storage disk Use of non supported drives in the drive modules can cause the storage subsystem to fail In configurations with mixed storage expansion enclosures all storage expansion enclosures on a fibre loop must be operating at the same interface speed Make sure that the speed of the E DDM CRU you are adding is supported in the storage subsystem For example do not install a 2 Gbps E DDM CRUs in a storage subsystem that supports only 4 Gbps E DDMs E DDM CRuUs are not interchangeable between EXP520 and EXP810 storage expansion enclosures After you remove an E DDM CRU wait 70 seconds before replacing or reseating it to allow it to properly spin down Failure to do so might cause undesired events Attention Before you turn on the power to the DS5020 storage subsystem it must be populated with at least two E DDMs If at least two E DDMs are not installed in the DS5020 an insufficient load to the enclosure power supplies might cause them to intermittently appear as failed
101. N The power switch on the power supply and fan unit does not turn off the electrical current supplied to the device The DS5020 storage subsystem might also have more than one connection to power To remove all electrical current from the device ensure that all power cords are disconnected from the power supply and fan unit input connectors While the storage expansion enclosure powers up the LEDs on the front and the back of the module blink intermittently Depending on your configuration the storage expansion enclosure can take between 20 seconds and several minutes to power on Turn on both power switches on the back of the storage subsystem A storage subsystem can take 10 seconds to power on and up to 15 minutes for the battery self test to complete During this time the LEDs on the front and the back of the modules blink intermittently Chapter 4 Operating the storage subsystem 115 10 Check the status LEDs on the front and back of the storage subsystem a Note the status of the LEDs on the front and back of each module A green LED indicates a normal status amber LEDs indicate a hardware fault Open the Subsystem Management window for the storage array Select the applicable components button for each module in the Physical View of the Subsystem Management window to view the status of its components The status for each component is either Optimal or Needs Attention 11 Does each module display green LEDs only and is the sta
102. N Use safe practices when lifting Attention The storage subsystem comes with a bezel that is attached to the front of the unit The bezel protects the light pipes that are located above the drive trays Leave the protective bezel in place until you are instructed to remove it Removing a controller Complete the following steps to remove a controller 1 Squeeze the controller latch and pull the lever open 90 so that the lever is horizontal to release the controller from the latch The controller latch is a coral colored tab on the lever Note The lever rotates upward or downward 90 depending on whether the controller you are removing is the right or left controller CRU 2 Slowly pull the lever away from the chassis to remove the controller from the bay as shown in Figure 16 on page 38 Chapter 2 Installing the storage subsystem 37 38 Figure 16 Removing and replacing a controller 3 Place the controller on a level surface 4 Repeat step 1 through step 3 for the second controller Removing an ac power supply and fan unit Statement 5 AA CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source AA 2 gt _ 1ea gt CAUTION Disconnect
103. Ne 4 ole JG coo O 000 ie 1 Q 10101 Corre Dual ported Ethernet Serial Enclosure ID Fibre Channel host channels drive channel ports port 0 0 Ed fo fo fo of N ol Controller B Figure 2 Back view controllers with two standard Fibre Channel host expansion channels Fibre Channel Ethernet Dual ported host channels Enclosure ID Serial drive channel port ports Controller A port KEAS oe JE 7 EIG 000 5 0 z ooo E a ale jl 222 la L 4 oloi a g Controller B Dual ported Ethernet Serial Enclosure ID Fibre Channel host channels drive channel ports port Figure 3 Back view controllers with two standard and two optional Fibre Channel host expansion channels iSCSI Dual ported host Fibre Channel drive channel channels host channels Enclosure ID Serial Ethernet port ports Controller A
104. Peoples Democratic Republic of Latvia Lebanon Lithuania Luxembourg Macedonia former Yugoslav Republic of Madagascar Mali Martinique Mauritania Mauritius Mayotte Moldova Republic of Monaco Mongolia Morocco Mozambique Netherlands New Caledonia Niger Norway Poland Portugal Reunion Romania Russian Federation Rwanda Sao Tome and Principe Saudi Arabia Senegal Serbia Slovakia Slovenia Republic of Somalia Spain Suriname Sweden Syrian Arab Republic Tajikistan Tahiti Togo Tunisia Turkey Turkmenistan Ukraine Upper Volta Uzbekistan Vanuatu Vietnam Wallis and Futuna Yugoslavia Federal Republic of Zaire 39Y7918 9821 Power Cord 250v 10A 2 8m Denmark 180 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 25 IBM power cords continued IBM power cord Feature Used in these countries or part number code Description regions 39Y7923 9825 Power Cord 250v Abu Dhabi Bahrain Botswana 10A 2 8m Brunei Darussalam Channel Islands Cyprus Dominica Gambia Ghana Grenada Guyana Hong Kong Iraq Ireland Jordan Kenya Kuwait Liberia Malawi Malaysia Malta Myanmar Burma Nigeria Oman Qatar Saint Kitts amp Nevis Saint Lucia Saint Vincent and the Grenadines Seychelles Sierra Leone Singapore Sudan Tanzania United Republic of Trinidad amp Tobago Uni
105. R A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication IBM may make improvements and or changes in the product s and or the program s described in this publication at any time without notice Any references in this information to non IBM Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for this IBM product and use of those Web sites is at your own risk IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you IBM the IBM logo and ibm com are trademarks or registered trademarks of International Business Machines Corporation in the United States other countries or both If these and other IBM trademarked terms are marked on their first occurrence in this information with a trademark symbol or these symbols indicate U S registered or common law trademarks owned by IBM at the time this information was published Such trademarks may also be registered or common law trademarks in other countries A current list of IBM tra
106. Remove CRUs from the DS5020 chassis to lessen the weight to make it easier to transfer the DS5020 storage subsystem from the shipping box to the rack Use the following procedures to remove the CRUs from the DS5020 before installation Use these instructions after you have completed all applicable site rack and preparations as listed in Preparing for installation on page 29 and IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide installed the support rails as listed in Installing the support rails on page 32 Alternately you can use these instructions to lighten the DS5020 before removing it from the shipping box The shipping box opens to provide access to the storage subsystem CRUs The DS5020 comes with a rack mounting hardware kit for installing it in a rack It is easier to lift the DS5020 and install it in a rack cabinet if you remove all the CRUs first You will need an antistatic wrist strap and a cart or level surface to hold the TE Observe the precautions listed in Handling static sensitive devices on page 29 29 In the following procedure you will remove the following CRUs from the storage subsystem before you install it in the rack e Controllers e AC power supply and fan units e Hot swap E DDMs You do not need to remove the blank trays Statement 4 A hii gt 18 kg 39 7 Ib gt 32 kg 70 5 Ib gt 55 kg 121 2 Ib CAUTIO
107. Route the cable away from places where it can be damaged by other devices in the rack cabinet Do not put excess weight on the cable at the connection point Be sure that the cable is well supported Do not use plastic cable ties in place of the provided cable straps The supported maximum lengths of OM2 category Fibre Channel cable are 4 Gbps 150 m 492 ft of 50 125 um fiber 300 m 984 ft of 62 5 125 um fiber 8 Gbps 50 m 164 ft of 50 125 um fiber 150 m 492 ft of 62 5 125 um fiber Chapter 3 Cabling the storage subsystem 47 1 5inch 38mm radius a 3 0 inch gt 76 mm diameter Figure 25 Bending and looping specifications for fiber optic cables Installing SFP modules The DS5020 requires SFP modules SFP modules convert electrical signals to optical signals that are required for Fibre Channel transmission to and from RAID controllers Note The SFPs are preinstalled in the DS5020 If the SFPs are not preinstalled in your DS5020 hardware or if you need to replace them use the information in this section to install the SFPs into the ports After you install the SFP modules you can use fiber optic cables to connect the DS5020 to other Fibre Channel devices Before installing SFP modules and fiber optic cables read the following information e Do not mix long wave SFPs and short wave SFPs on a single storage subsystem Use only short wave SFPs You can use the DS Storage Manager
108. Top View of non IBM Rack Specifications Dimensions Top view of non IBM rack specifications dimensions Back No Door A 203 mm 8 0 in gt A ay Pa 719 mm 28 31 in 494 mm 19 45 in lt N Da a 51 mm 2 01 in Front No Door gt nonibm_topview gt 451 mm 17 46 in lt gt 494 mm 19 45 in The vertical distance between mounting holes must consist of sets of three holes spaced from bottom to top 15 9 mm 0 625 in 15 9 mm 0 625 in and 12 67 mm 0 5 in on center making each three hole set of vertical hole spacing 44 45 mm 1 75 in apart on center The front and rear mounting flanges in the rack or cabinet must be 719 mm 28 3 in apart and the internal width bounded by the mounting flanges at least 494 mm 19 45 in for the IBM Storage System or eServer rails to fit in your rack or cabinet see Figure 91 174 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Top Front of Rack ay mm min 6 75 mm mn yis y 5 9 mm 15 9 mm y 2 OTA AO 3 15 9 mm 15 9 mm amp o M Ho o 412 7 mm 12 7 mm l O ATO 15 9 mm 15 9 mm I o M Mo lt 115 9 mm 15 9 mm Or O 3 12 7 mm 12 7 mm a Aly us a a 5 2 gt 450 0 75 mm a Rack Front Opening Hole Diameter 7 1 0 1 mm gt 465 0 8 mm gt Rack Mounting Holes Center to Center Figure 92 Rack specifications dimensions top front view Hole Diamete
109. a 3U rack mount enclosure with the following features Note Depending on the configuration options that were purchased with your DS5020 your hardware features might differ slightly from those in this list e Dual RAID controllers one of the configurations in the following list Controllers with 1 GB memory two standard 8 Gbps FC host ports and two standard 4 Gbps FC drive channel ports Controllers with 1 GB memory two standard 8 Gbps FC host ports one optional 2 port 8 Gbps FC host card and two standard 4 Gbps FC drive channel ports Controllers with 1 GB memory two standard 8 Gbps FC host ports one optional 2 port 1 GB iSCSI host card and two standard 4 Gbps FC drive channel ports Controllers with 2 GB memory two standard 8 Gbps FC host ports and two standard 4 Gbps FC drive channel ports Controllers with 2 GB memory two standard 8 Gbps FC host ports one optional 2 port 8 Gbps FC host card and two standard 4 Gbps FC drive channel ports Controllers with 2 GB memory two standard 8 Gbps FC host ports one optional 2 port 1 GB iSCSI host card and two standard 4 Gbps FC drive channel ports e Four or eight 8 Gbps FC Small Form factor Pluggable transceivers SFPs Note These SFPs will be included only if the DS5020 controllers purchased have the four additional Fibre Channel host ports e Four 4 Gbps FC Small Form factor Pluggable transceivers SFPs e Dual AC power and fan units e Two PDU pow
110. able connector is keyed so it will be inserted into the SFP module correctly Holding the connector push in the cable until it clicks into place as shown in Figure 32 Figure 32 Inserting an LC LC Fibre Channel cable into an SFP module 5 Remove the two protective caps from the other end of the LC LC cable Save the protective caps for future use 6 Connect this end of the LC LC cable to one of the following devices e An SFP module that is installed in a separate storage expansion enclosure e An SFP module that is installed in a Fibre Channel switch port A Fibre Channel host bus adapter port Chapter 3 Cabling the storage subsystem 53 Removing an LC LC Fibre Channel cable Complete the following steps to remove an LC LC Fibre Channel cable Attention To avoid damaging the LC LC cable or SFP module make sure that you observe the following precautions e Press and hold the lever to release the latches before you remove the cable from the SFP module e Make sure that the levers are in the released position when you remove the cable e Do not grasp the SFP module plastic tab when you remove the cable 1 On the end of the LC LC cable that connects into the SFP module or host bus adapter press down and hold the lever to release the latches as shown in Figure 33 Latches Figure 33 LC LC Fibre Channel cable lever and latches 2 While pressing down the cable lever carefully pull on the connector to remove the cable from
111. according to ASHRAE Standard 52 2 Air that enters a data center must be filtered to 99 97 efficiency or greater using high efficiency particulate air HEPA filters that meet MIL STD 282 The deliquescent relative humidity of the particulate contamination must be more than 60 e The room must be free of conductive contamination such as zinc whiskers Gaseous e Copper Class G1 as per ANSI ISA 71 04 1985 e Silver Corrosion rate of less than 300 A in 30 days 1 ASHRAE 52 2 2008 Method of Testing General Ventilation Air Cleaning Devices for Removal Efficiency by Particle Size Atlanta American Society of Heating Refrigerating and Air Conditioning Engineers Inc The deliquescent relative humidity of particulate contamination is the relative humidity at which the dust absorbs enough water to become wet and promote ionic conduction 3 ANSI ISA 71 04 1985 Environmental conditions for process measurement and control systems Airborne contaminants Instrument Society of America Research Triangle Park North Carolina U S A Documentation format The publications for this product are in Adobe Portable Document Format PDF and should be compliant with accessibility standards If you experience difficulties when you use the PDF files and want to request a Web based format or accessible PDF document for a publication direct your mail to the following address Information Development IBM Corporation Notices 1
112. ace the drive CRU Incorrect firmware version Verify that the DS5020 storage subsystem has the correct firmware version Refer to Software and hardware compatibility and upgrades on A controller has failed in addition to the ESM failure in the drive channel that originates from the functioning controller Replace the failed controller and ESM Chapter 6 Hardware maintenance 159 Parts listing 160 Table 20 Symptom to FRU index continued Problem indicator Storage expansion enclosures are not attached to the storage subsystem Component Storage subsystem Possible cause The DS5020 does not have the necessary feature options to support the storage expansion enclosures Possible solutions The base DS5020 storage subsystem supports up to 32 drives which includes 16 drives in the DS5020 chassis and the 16 more drives if an EXP520 storage expansion enclosure is attached To attach more than 32 drives you much purchase the applicable feature option For example to attach one or more EXP810 storage expansion enclosures to the EXP520 storage subsystem you must have the feature option for the EXP810 Contact your IBM marketing representative for more information about purchasing feature options Figure 88 and provides a parts listing for the DS5020 Figure 88 DS5020 storage subsystem parts list IBM System Storage DS502
113. age subsystem Note Until the power switch on each controller is turned off power still remains turned on for the both controllers therefore the seven segment display on each controller stays on until the power switch on each controller is turned off Chapter 4 Operating the storage subsystem 111 9 Turn off both power switches on the back of each storage expansion enclosure in the configuration CAUTION The power switch on the power supply and fan unit does not turn off the electrical current supplied to the device The DS5020 storage subsystem might also have more than one connection to ac power To remove all electrical current from the device ensure that all ac power cords are disconnected from the power supply and fan unit ac input connectors 10 Remove unplug all of the power cords from the DS5020 power supply connectors 11 After you perform the necessary maintenance procedures turn on the power using the procedure in Turning on the storage subsystem on page 95 Performing an emergency shutdown Attention Emergency situations might include fire flood extreme weather conditions or other hazardous circumstances If a power outage or emergency situation occurs always turn off all power switches on all computing equipment This helps to safeguard your equipment from potential damage due to electrical surges when power is restored If the storage subsystem loses power unexpectedly it might be due to a hardware fail
114. age Manager Subsystem Management window or when the Battery LEDs or Battery Needs Attention LEDs light These LEDs are located_on the power supply o units and on the battery unit respectively as shown infelgure arad 119 Replace only the battery unit that is indicated as failed by the LEDs or in the DS Storage Manager Subsystem Management window You do not need to replace both battery units when the Battery LEDs indicate that only one battery unit has failed If the battery age expires do not call IBM technical support to replace the battery Instead reset the battery age using the procedure described in the Storage Manager online help Replace the battery only when it is in a failed state as indicated by the Storage Manager Recovery Guru Each power supply and fan unit has green Battery LEDs on the back that indicates the battery status of each battery unit as follows e The LED is on and remains steady when the battery is fully charged e The LED flashes when the battery is charging or performing a self test e The LED is off if the battery or the battery charger has failed The battery unit also has a battery failure indicator LED that is located on the battery unit This LED will light if the battery fails to hold a charge The battery performs a learn cycle the first time the storage subsystem is turned on and again every eight weeks thereafter to assess the charge capacity of the battery If the battery fails the learn cycle or t
115. age Subsystem Installation User s and Maintenance Guide Set the E DDMs on a dry level surface away from magnetic fields Save the packing material and documentation in case you need to return them Perform the following steps a Stop all I O activity to the storage subsystem and attached storage expansion enclosures Make sure of the following 1 All of the green Drive activity LEDs on the front of the storage subsystem and on all attached storage expansion enclosures are not flashing 2 The green Cache active LEDs are off b If applicable use the operating system software to disconnect the storage subsystem logical drives from the host before you power off the storage subsystem Attention To turn off all power to the storage subsystem you must turn off both power supply and fan unit switches and disconnect both power cords Use the procedure in step 6 for the proper shutdown sequence Turn off the power to each device based on the following shutdown sequence a Turn off power to the host before you turn off power to the storage subsystem If the host must stay powered on to support an existing network see the operating system documentation for information about disconnecting the storage subsystem logical drives from the host before the storage subsystem is powered off b Turn off power to the storage subsystem before you turn off power to the storage expansion enclosures Turn off both power supply switches on the
116. ailed front cage frame for the next step Unpack the new front cage frame with the midplane Save the packaging materials in case you need to return it Chapter 5 Replacing components 151 152 15 16 17 18 19 20 21 22 23 24 25 Insert the new front cage plane midplane by aligning it with the storage subsystem front opening and slowly sliding it into the storage subsystem chassis Make sure that the front cage frame EMC gaskets do not snag between the frame and chassis Tighten the four front cage frame screws See Figure 86 on page 150 Install the seven Phillips screws three on top and four on bottom that hold the front cage frame to the EXP810 chassis that you removed in step 12 on page 1150 as shown in Figure 87 on page 151 Push the chassis all the way back into the rail and install the four M5 screws along the side edges of the DS5020 chassis Install the four Phillips screws on the back along the sides of the DS5020 chassis that hold the DS5020 to the rails Insert the E DDM CRUs Be sure you insert them in the correct slots Use the labels you put on them before you removed them to guide you Re insert the controllers and reconnect the Fibre Channel cables Re insert the power supply and fan units and reconnect the power supply cords Turn on the power to the attached storage expansion enclosures Wait at least 3 minutes and then turn on the power to the DS5020 storage subsyste
117. akes too much time to reach full charge the Battery LED turns off indicating a battery fault and the DS Storage Manager identifies the battery as failed The learn cycle takes up to three hours During this time the cache will be active if the battery is in optimal condition If the learn cycle is interrupted the current learn cycle will be terminated and the battery will perform a new learn cycle at the next scheduled interval eight weeks from the current learn cycle A learn cycle 118 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide interruption is caused if you remove the battery from the controller chassis reset the power to the storage subsystem or if a storage expansion enclosure or battery overheats Data caching starts after the battery is charged to the programmed voltage level which occurs when the storage subsystem power is first turned on when a new battery is installed to replace a failed battery or when the subsystem power is turned on after months of inactivity Attention Write caching is suspended while a battery pack is either charging or self testing Figure 74 shows the location of the Battery LEDs Battery Service action Service action
118. al collection of discovered host ports defined host computers and defined host groups in the storage partition topology that fulfill the following requirements Are not involved in specific logical drive to LUN mappings Share access to logical drives with default logical drive to LUN mappings device type Identifier used to place devices in the physical map such as the switch hub or storage DHCP See Dynamic Host Configuration Protocol direct access storage device DASD A device in which access time is effectively independent of the location of the data Information is entered and retrieved without reference to previously accessed data For example a disk drive is a DASD in contrast with a tape drive which stores data as a linear sequence DASDs include both fixed and removable storage devices direct memory access DMA The transfer of data between memory and an input output I O device without processor intervention disk array controller dac A disk array controller device that represents the two controllers of an array See also disk array router disk array router dar A disk array router that represents an entire array including current and deferred paths to all logical unit numbers LUNs hdisks on AIX See also disk array controller DMA See direct memory access domain The most significant byte in the node port N_port identifier for the fibre channel FC device It is not used in the
119. and Maintenance Guide DS4300 Storage Subsystem Installation User s and Maintenance Guide DS4400 Fibre Channel Storage Server Installation and Support Guide DS4500 Storage Subsystem Installation User s and Maintenance Guide DS4700 Express Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4700 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 DS4800 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4800 DS5000 Installation User s and Maintenance Guide DS5020 Installation User s and Maintenance Guide IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 1 Where to find DS5020 and DS4000 family installation and configuration procedures continued Installation task Where to find information or procedures 8 Zone the fabric DS Storage Manager Version 10 Installation and Host switch SAN attached Support Guide oniy DS4000 Storage Manager Copy Services Guide describes switch zoning for the Remote Mirror Option See also the documentation provided by the switch manufacturer 9 Install DS Storage DS Storage Manager Version 10 Installation and Host Manager software on Support Guide i aa DS Storage Manager online help for post installation tasks
120. annel loop consists of the DS5020 storage subsystem the storage expansion enclosures Fibre Channel cables and SFPs The DS5020 supports redundant drive channel loop configurations You can build a redundant drive channel loop by connecting one or more storage expansion enclosures to the redundant RAID controllers Then use dual fiber optic cables to connect one storage expansion enclosure to another in a daisy chain For more information see Connecting storage expansion enclosures to the DS5020 on page 54 The DS5020 storage subsystem also supports 1 Gbps iSCSI connectivity The host iSCSI connections provide an iSCSI path for host attachment The connections can consist of Cat6 Ethernet cables host bus adapters with iSCSI initiators or an Ethernet adapter with Gigabit Ethernet switches and RAID controllers See iSCSI configurations on page 87 for more information about iSCSI configurations 84 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Fibre Channel host loop configurations You must determine how the host systems will connect to the storage subsystem You can connect up to four host systems directly to the storage subsystem through Fibre Channel host ports or you can connect more than four hosts to the Fibre Channel storage subsystem through switches The illustrations in the following sections show common host system configurations when you connect to the DS5020 Fibre C
121. are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure A DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Class 1 Laser statement Class 1 Laser Product Laser Klasse 1 Laser Klass 1 Luokan 1 Laserlaite Apparell A Laser de Calsse 1 IEC 825 11993 CENELEC EN 60 825 Attention Handle and install fiber optic cables properly to avoid degraded performance or loss of communications with devices For specific handling guidelines see Handling fiber optic cables on page 47 Disconnect all attached interface cables from the failed controller including the SFP modules Make sure that you label each cable so that you can reconnect them correctly to the new controller Use the following procedure to remove the SFPs from the RAID controller that has failed Chapter 5 Replacing components 123 a Remove the LC LC Fibre Channel cable from the SFP module For more information see Handling fiber optic cables on page 47 b Unlock the SFP module latch e For SFP modules that contain plastic tabs unlock the SFP module latch by pulling the plastic tab outward 10 as shown in Figure 75
122. arge the battery to the programmed level Then the Chapter 1 Introduction 15 SFP modules controller will start a battery learning cycle to determine whether the battery current capacity is sufficient Data caching starts after the battery is charged to the programmed level During the battery learn cycle cache will be active if the battery is in good condition If the battery fails the learn cycle it is marked as failed The battery learning cycle lasts up to three hours After the first battery learn cycle the controller will perform a learn cycle every 8 weeks to re calibrate the battery charging level The battery unit is hot swappable You can remove the battery unit for servicing and then reinsert it while the DS5020 continues to perform I O operations However write I O caching is disabled when the battery is in a failed state or removed from the controller chassis Replace the failed battery as soon as possible to minimize the time that the write IO caching is disabled Information about the condition of the battery unit is conveyed by indicator LEDs on the front of battery unit Battery unit LEDs on page 103lidentifies the indicator LEDs on the battery unit and explains the conditions that each LED indicates Statement 3 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the las
123. at are provided with your system and software The information that comes with your system also describes the diagnostic tests that you can perform Most subsystems operating systems and programs come with information that contains troubleshooting procedures and explanations of error messages and error codes If you suspect a software problem see the information for the operating system or program Using the documentation Information about your IBM system and preinstalled software if any is available in the documents that come with your system This includes printed books online documents readme files and help files See the troubleshooting information in your system documentation for instructions for using the diagnostic programs The troubleshooting information or the diagnostic programs might tell you that you need additional or updated device drivers or other software Finding DS5020 and DS4000 family readme files 1 Go to the following Web site www ibm com systems support storage dis XXiV IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Web sites 2 Click the link for your storage subsystem for example DS5020 3 When the subsystem support page opens click the Download tab 4 Under the Download tab click Storage Manager firmware HBA tools support amp pubs including readmes 5 Click the applicable tab for the type of readme file that you are looking for e Firmware e St
124. at is included in each firmware or DS Storage Manager software package for any limitations subsystem firmware prerequisites or download sequence information For example the controller firmware code might require the storage expansion enclosure ESM firmware to be upgraded first to a particular version or the controller firmware download might require the halting of I Os to the DS5020 logical drives Failure to observe the limitations prerequisites and dependencies in the readme file might result in a loss of data access See Finding DS5020 and DS4000 family readme files on page xxiv to learn how to access the DS5020 readme files on the Web Unless the readme file contains special requirements for the sequence in which you upgrade firmware perform firmware upgrades in the following sequence ESM firmware for the storage expansion enclosures Controller firmware Controller NVSRAM Drive firmware _ PON Troubleshooting the storage subsystem The DS Storage Manager is the best way to monitor the storage subsystem diagnose a problem and recover from a hardware failure Run the DS Storage Manager continuously and frequently check the configuration status Use the following procedure to check the status of and identify a problem with the storage subsystem If a problem has occurred use the DS Storage Manager client software and the LEDs on the storage subsystem to help locate a failed component 1 Open the Subsystem Managemen
125. back of the storage subsystem 3 Turn off power to other supporting devices for example management stations Fibre Channel switches or Ethernet switches Note You do not need to perform this step if you are servicing only the storage subsystem IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Use the following procedure to turn off power to one or more storage subsystems for a planned shutdown To turn off power for an unplanned shutdown see Restoring power after an unexpected shutdown on page 112 Before proceeding use the Storage Manager client to determine the status of the system components and special instructions The operating system software might require you to perform other procedures before you turn off the power 1 2 3 Stop all I O activity to each storage subsystem Remove the front cover from the storage subsystem if applicable Determine the status of all storage subsystems and components in the configuration by completing the following steps a Check all LEDs on each component in the storage expansion enclosures Make sure that all the LEDs show normal status b Check all LEDs on each component in the storage subsystem Make sure that all the LEDs show normal status c Open the Subsystem Management window for the configuration and display the Physical View for the configuration d Review the status of the configuration components shown in
126. bottom of the chassis as shown ya Remove the seven Phillips screws using the 1 Phillips screwdriver Save these screws Scre ws D J C gt ELE E E E E E EEEE c Scre ws Figure 87 Screws holding the top and bottom sides of the chassis to the cage frame 13 14 Grasp the blue handle in the center of the front cage frame and pull it outward to slide the front cage frame out approximately two inches Grab the two sides of the front cage frame and remove it from the chassis Note The front cage frame might be tightly secured in the chassis Mount the DS5020 chassis back in the rack using the four M5 screws to hold the DS5020 chassis in place while you pull on the blue handle to separate the front cage frame from the chassis Remove the DS5020 chassis from the rack and place it on a level surface after you remove the f
127. breakers must provide sufficient power and overload protection To prevent possible damage to the unit isolate its power source from large switching loads such as air conditioning motors elevator motors and factory loads e Power failures If a total power failure occurs the unit automatically performs a power up recovery sequence without operator intervention after power is restored Table 11 DS5020 ac power requirements Low Range High Range Nominal Voltage 90 to 136 VAC 198 to 264 VAC Frequency Hertz 50 to 60 Hz 50 to 60 Hz Idle Current 3 53 A 2 08 A Maximum Operating Current 3 71 A 2 04 A Maximum Surge Current 5 04 A 2 67 AP Typical voltage 120 V ac 60 Hz assumes 72 power supply efficiency and 0 99 power factor gt Typical voltage 240 V ac 60 Hz assumes 72 power supply efficiency and 0 99 power factor Power and site wiring requirements The storage subsystem uses wide ranging redundant power supplies that automatically accommodate voltages to the ac power source The ac power supplies operate within the ranges specified in Table 11 The ac power supplies meet standard voltage requirements for both domestic inside USA and international outside USA operation They use standard industrial wiring with line to neutral or line to line power connections The agency ratings for the DS5020 storage subsystem are 6 amps at 100 VAC and 2 5 amps at 240 VAC These are the overall maxim
128. cap 0 10 Yea SFP module Figure 28 Unlocking the SFP module latch plastic variety e For SFP modules that contain wire tabs unlock the SFP module latch by pulling the wire latch outward 90 as shown in Figure 29 Wire tab Protective N 90 SFP module Figure 29 Unlocking the SFP module latch wire variety 3 With the SFP latch in the unlocked position extract the SFP module e For SFP modules that contain plastic tabs slide the SFP module out of the port e For SFP modules that contain wire tabs grasp the wire latch and pull the SFP module out of the mini hub port 4 Replace the protective cap on the SFP module 5 Place the SFP module into a static protective package 6 Replace the protective cap on the host port Using LC LC Fibre Channel cables The LC LC Fibre Channel cable is a fiber optic cable that you use to connect DS5020 Fibre Channel ports into one of the following devices e An SFP module installed in a Fibre Channel switch port e An SFP module of the host bus adapter port e An SFP module installed in an IBM DS5000 or DS4000 storage expansion enclosure See Figure 30 on page 52lfor an illustration of the LC LC Fibre Channel cable For more information about cabling these devices see the documentation that comes with the LC LC Fibre Channel cable Chapter 3 Cabling the storage subsystem 51 52 Figure 30 LC LC Fibre Channel cable Connecting an LC LC cable to an SFP module C
129. ce Guide for your storage expansion enclosure Fibre Channel loop and ID settings When you install an E DDM in the storage expansion enclosure the E DDM tray plugs into a printed circuit board called the midplane The midplane sets the Fibre Channel loop ID automatically based on the enclosure ID switch setting and the physical location bay of the E DDM Storage expansion enclosure ID settings EXP520 and EXP810 storage expansion enclosures do not have enclosure ID switches because the controllers automatically set the enclosure ID numbers Each storage expansion enclosure in a DS5020 storage subsystem drive loop must have a unique enclosure ID DS5020 controllers use a combination of the enclosure ID and the number of the physical slot that a hard drive occupies to create a unique Fibre Channel loop address or arbitrated loop physical address AL_PA for each drive in a Fibre Channel drive loop The enclosure ID consists of two digits a tens digit x10 and ones digit x1 Attention When connecting storage expansion enclosures you must use the tens digit x10 enclosure ID setting to distinguish different redundant drive channel pairs and use the ones digit x1 enclosure ID setting to distinguish storage expansion enclosures IDs within a redundant drive channel The DS5020 normally ships with an enclosure ID outside the range of 00 77 However if your DS5020 enclosure ID was set to a value within the range of 00 77 it might be in c
130. ch task Table 1 Where to find DS5020 and DS4000 family installation and configuration procedures Installation task Where to find information or procedures 1 Plan the installation DS Storage Manager Version 10 Installation and Host Support Guide DS4100 Storage Subsystem Installation User s and Maintenance Guide DS4200 Express Storage Subsystem Installation User s and Maintenance Guide DS4300 Storage Subsystem Installation User s and Maintenance Guide DS4400 Fibre Channel Storage Server Installation and Support Guide DS4500 Storage Subsystem Installation User s and Maintenance Guide DS4700 Express Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4800 DS4800 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide Quick reference for the DS4700 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 IBM System Storage DS5000 Quick Start Guide DS5000 Installation User s and Maintenance Guide IBM System Storage DS5020 Quick Start Guide DS5020 Installation User s and Maintenance Guide IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 1 Where to find DS5020 and DS4000 family installation and configuration procedures continued Installation task Where to find information or procedures
131. chemes DS5020 and storage expansion enclosures 67 one DS5020 and one EXP520 storage expansion enclosure 70 one DS5020 and three or more EXP520 storage expansion enclosures 72 one DS5020 and two EXP520 storage expansion enclosures 71 cabling the storage subsystem connecting host to RAID controller 82 connecting secondary interface cables 78 connecting storage expansion enclosures 54 Copyright IBM Corp 2009 cabling topologies one DS5020 and four storage expansion enclosures 63 one DS5020 and one storage expansion enclosure 59 one DS5020 and three storage expansion enclosures 62 one DS5020 and two or more storage expansion enclosures in a mixed configuration 66 one DS5020 and two storage expansion enclosures 60 one DS5020 and up to six storage expansion enclosures 64 storage expansion enclosures and storage subsystem 57 cache battery See battery 117 cache memory cache active LED 116 size of 116 caution and danger notices xiii checking the LEDs 101 Class A electronic emission notice 200 components 4 Gbps hard disk drives 6 battery unit 15 battery units 6 controllers 6 power supply and fan units 6 SFP modules 6 weights 19 Concepts Guide 183 configuration installing the storage subsystem 91 contamination particulate and gaseous 199 controller information record 164 removal 37 replacing 42 controller information 99 controllers description 8 LEDs 104 location 8 replacing 122 cooling 24 Copy Services Guide 183 custom
132. closures If you are cabling one DS5020 storage subsystem and two storage expansion enclosures connect one storage expansion enclosure per controller drive port as shown in shows that you can also connect two expansion enclosures together behind a single controller drive port Although this is technically correct use the topology as shown in As Figure 38 shows when you connect additional storage expansion enclosures you can connect them by using the additional port of the drive channel Port 2 drive channel 1 va 1 drive channel 1 DS5020 Port 1 drive channel 2 Port 2 drive channel 2 1B 1A l 1A 1B Figure 38 Cabling for one DS5020 and two storage expansion enclosures When you connect additional storage expansion enclosures you can connect them by continuing the connection from the existing redundant drive channel pair IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Important Do not cable the DS5020 storage subsystem and two storage expansion enclosures as shown in A storage array with the incorrect storage topology might appear to be functional but incorrect cabling can potentially have unpredictable results Port 2 drive channel 1 Port 1 drive channel 1
133. combination with other environmental factors such as humidity or temperature might pose a risk to the storage subsystem that is described in this document Risks that are posed by the presence of excessive particulate levels or concentrations of harmful gases include damage that might cause the storage subsystem to malfunction or cease functioning altogether This specification sets forth limits for particulates and gases that are intended to avoid such damage The limits must not be viewed or used as definitive limits because numerous other factors such as temperature or moisture content of the air can influence the impact of particulates or environmental corrosives and gaseous contaminant transfer In the absence of specific limits that are set forth in this document you must implement practices that maintain particulate and gas levels that are consistent with the protection of human health and safety If IBM determines that the levels of particulates or gases in your environment have caused damage to the storage subsystem IBM may condition provision of repair or replacement of storage subsystem or parts on implementation of appropriate remedial measures to mitigate such environmental contamination Implementation of such remedial measures is a customer responsibility Table 38 Limits for particulates and gases Contaminant Limits Particulate e The room air must be continuously filtered with 40 atmospheric dust spot efficiency MERV 9
134. controller to verify that the controller is fully operational Remove the antistatic protection Use the DS Storage Manager client Subsystem Management window to check the status of all components in the storage subsystem e If the new controller is online and the DS Storage Manager client Subsystem Management window indicates normal operation go to step 19 e If the new controller is online and the DS Storage Manager client Subsystem Management window indicates a problem status go to e If the new controller is offline go to step 17 If the newly inserted controller is in an offline state see the DS Storage Manager client online help for instructions on bringing the controller online If necessary open the DS Storage Manager Subsystem Management window and place the controller on line select the off line controller and click Advanced gt Recovery gt Place controller online Verify the state of the LEDs on the newly inserted controller See Controller LEDs on page 104 You can also use the DS Storage Manager client Subsystem Management window to identify any new faults Do any storage subsystems have a fault Needs Attention status e Yes Select the Recovery Guru toolbar button in the Subsystem Management window and complete the recovery procedure If the problem persists contact your IBM service representative e No Go to step 19 Use the DS Storage Manager client software to print a new storage subsystem profile
135. curely tighten the two screws on the left support rail that hold the two parts of the rail together 11 Repeat step through step 10 for the right support rail Note Because the mounting holes on the rack are not always the same size as the mounting screws the lip of each of the support rails might not line up evenly Make minor adjustments as needed to make sure that the lip of the left and right support rails are lined up evenly on the racks Failure to do so will cause the storage subsystem to fit unevenly in the rack 12 Continue with Removing the CRUs Installing the DS5020 This section provides instructions on installing the DS5020 The installation process includes e Removing the CRUs e Installing the DS5020 into a rack on the support rails on page 40 e Replacing the components on page 42 Removing the CRUs 36 This section describes how to remove the CRUs to minimize the weight of the DS5020 before you install it in the rack However if you have three or more people available to lift and install the DS5020 in a rack you might not find it necessary to remove the CRUs before you install the DS5020 If this is the case you can skip the CRU removal instructions provided in this section Instead continue with Installing the DS5020 into a rack on the support rails on page 40 and then skip the CRU replacement instructions provided in Replacing the components on page Attention
136. d as failed by the DS Storage Manager and the battery LEDs were are lit in a fault state use the Service Action Allowed menu function in the DS Storage Manager subsystem window to identify the failed battery for replacement Important Unlike the batteries for DS4000 storage subsystems the DS5020 storage subsystem battery units do not have set expiration dates Do not replace these batteries after a certain usage period Attention When you handle static sensitive devices take precautions to avoid damage from static electricity For details about handling static sensitive devices Use the following procedure to replace a battery unit 144 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 1 Use the DS Storage Manager client software to print a storage subsystem profile 2 Locate the RAID controller that contains the failed battery unit 3 Check the LEDs on the battery units to determine which of the two battery units has failed See Battery unit LEDs on page 103 Replace only the battery unit that is indicated as failed by the LEDs 4 Put on antistatic protection 5 To remove the failed battery unit from the RAID controller press the orange battery unit latch toward the black battery handle to unlatch the battery from the DS5020 chassis and slowly pull the battery unit from the controller chassis using the handle as shown in Controller A backup battery unit Controller
137. d zu betreiben Des Weiteren d rfen auch nur von der IBM empfohlene Kabel angeschlossen werden IBM bernimmt keine Verantwortung f r die Einhaltung der Schutzanforderungen wenn das Produkt ohne Zustimmung der Notices 201 IBM ver ndert bzw wenn Erweiterungskomponenten von Fremdherstellern ohne Empfehlung der IBM gesteckt eingebaut werden EN 55022 Klasse A Ger te m ssen mit folgendem Warnhinweis versehen werden Warnung Dieses ist eine Einrichtung der Klasse A Diese Einrichtung kann im Wohnbereich Funk St rungen verursachen in diesem Fall kann vom Betreiber verlangt werden angemessene Ma nahmen zu ergreifen und daf r aufzukommen Deutschland Einhaltung des Gesetzes ber die elektromagnetische Vertr glichkeit von Ger ten Dieses Produkt entspricht dem Gesetz ber die elektromagnetische Vertr glichkeit von Ger ten EMVG Dies ist die Umsetzung der EU Richtlinie 2004 108 EG in der Bundesrepublik Deutschland Zulassungsbescheinigung laut dem Deutschen Gesetz ber die elektromagnetische Vertr glichkeit von Ger ten EMVG bzw der EMC EG Richtlinie 2004 108 EG f r Ger te der Klasse A Dieses Ger t ist berechtigt in bereinstimmung mit dem Deutschen EMVG das EG Konformit tszeichen CE zu f hren Verantwortlich f r die Konformit tserkl rung des EMVG ist die IBM Deutschland GmbH 70548 Stuttgart Generelle Informationen Das Ger t erf llt die Schutzanforderungen nach EN 55024 und EN 55022 Klass
138. demarks is available on the Web at Copyright and trademark information at http www ibm com legal copytrade shtml Copyright IBM Corp 2009 197 Adobe and PostScript are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and or other countries Cell Broadband Engine is a trademark of Sony Computer Entertainment Inc in the United States other countries or both and is used under license therefrom Intel Intel Xeon Itanium and Pentium are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries Java and all Java based trademarks are trademarks of Sun Microsystems Inc in the United States other countries or both Linux is a registered trademark of Linus Torvalds in the United States other countries or both Microsoft Windows and Windows NT are trademarks of Microsoft Corporation in the United States other countries or both UNIX is a registered trademark of The Open Group in the United States and other countries Other company product or service names may be trademarks or service marks of others Important notes Processor speed indicates the internal clock speed of the microprocessor other factors also affect application performance CD or DVD drive speed is the variable read rate Actual speeds vary and are often less than the possible maximum When referring to processor storage real and vir
139. dure is completed rerun the Recovery Guru to make sure that the problem has been corrected by selecting Recheck in the Recovery Guru 11 If the problem persists contact IBM Customer and Technical Support Replacing an ac power supply and fan unit Statement 5 AA CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source AA 2 09 eame u CAUTION Disconnect the power cord before replacing the power supply and fan unit The power supply and fan unit is a component that includes both a 600 W power supply unit and two fans The power supply and fan units provide power and cooling for the DS5020 The power supply and fan units are customer replaceable units CRUs and do not require preventive maintenance Use only the supported power supply and fan units for your specific storage subsystem Each power supply and fan unit has a built in sensor that detects the following conditions e Over voltage e Over current e Overheated power supply If any of these conditions occurs one or both power supplies will shut down If the power remains off after the condition that causes it to go off make sure that the environment is optimal no overheating has occurred all electr
140. dures in which the DS5020 is powered down when storage expansion enclosures are connected as in the case of initial installation For hot case procedures in which the DS5020 is powered on when storage expansion enclosures are connected refer to the IBM System Storage DS4000 Hard Drive and Storage Expansion Enclosure Installation and Migration Guide IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 56 1 Follow the instructions in the Installation User s and Maintenance Guide for your DS5000 or DS4000 storage expansion enclosure to set up and mount the storage expansion enclosures 2 Select a cabling topology appropriate for the number of storage expansion enclosures you will connect to the DS5020 If you are connecting external storage expansion enclosures to the DS5020 make sure that the storage expansion enclosures are populated with at least two drives before you turn on the power In addition you must have at least two drives in the DS5020 storage subsystem before you power it on cabling different numbers of storage expansion enclosures to the DS5020 and to each other if you are connecting more than one storage expansion enclosure 3 After you select the cabling topology for your configuration follow the cabling diagram for your chosen topology and perform the steps identified in storage subsystem and supported storage expansion enclosure drive cabling schemes on pa
141. e Channel connection For example a 4 Gbps SFP that is plugged into an 8 Gbps capable port will limit the speed of that port to a maximum of 4 Gbps Conversely an 8 Gbps SFP that is plugged into a 4 Gbps capable port will limit the speed of the port to a maximum of 4 Gbps Attention Carefully check the SFP IBM part number option number and FRU part number to identify its speed There are no physical features that distinguish a 4 Gbps SFP from an 8 Gbps SFP Statement 3 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure A DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Attention When you handle static sensitive devices take precautions to avoid damage from static electricity For details about handling static sensitive devices see Handling static sensitive devices on page 29 To install an SFP module complete the following
142. e You can avoid DHCP BOOTP server and network tasks either by using the default controller IP addresses or by assigning static IP addresses to the controller as described in the next section Complete the following steps to set up the DHCP BOOTP server and network 1 Get the MAC address from each controller blade 2 Complete whichever of the following steps is applicable for your server Ona DHCP server create a DHCP record for each of the MAC addresses Set the lease duration to the longest time possible e Ona BOOTP server edit the bootptab file to add in the entries that associate the MAC address tab with the TCP IP address 3 Connect the DS5020 storage subsystem Ethernet ports to the network 4 Turn on the DS5020 storage subsystem The DHCP server automatically assigns new IP addresses to the controller Ethernet port Steps for assigning static TCP IP addresses to the DS5020 controllers To complete this procedure you must have the following components e A host that is connected to a storage subsystem through a Fibre Channel I O path e A management station that is connected by an Ethernet cable to the storage subsystem controllers For a host that is connected to a storage subsystem through a Fibre Channel I O path Complete the following steps to assign static TCP IP addresses to the DS5020 storage subsystem controllers by way of the host that has Fibre Channel connectivity to the DS5020 Fibre Channel host port Note Y
143. e alignment of the host port on the RAID controller Do not force fit 2 Connect the Fibre Channel cables from the SFP modules in the DS5020 RAID controller host ports to either the SFP modules in the Fibre Channel switch or 82 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide the SFP modules of the host bus adapters Figure 54 shows the location on the RAID controllers of the DS5020 storage subsystem where the host system cables connect Note DS5020 controllers with four Fibre Channel host ports is shown in the following illustration The host channel configuration in your DS5020 hardware might differ slightly from the following illustration Controller A Host ports o00 0 E Tao o oo o 3 Do i olo LIL ooo a ooo JO See ajn eee 7 zn Bu au 2 Host ports Controller B Figure 54 Location of host cables on RAID controllers on the DS5020 3 Repeat steps 1 on page 82 and 2 on page 82 for each additional redundant host connection You can create two redundant host connections for the DS50
144. e A People s Republic of China Class A warning statement Fa AA KA A Rm FFB AF ao A RES eFC TH ERMER T WkemseA AWE FARREA ITAI HE Japanese Voluntary Control Council for Interference VCCI statement COBBl L 2372 AARC COREA RR CHATS EERWMEIHSIERLTLEDBUKT COMSICMERSD BIER BMT SKDBRKENSCEMBVET VCCI A Korean Class A warning statement 202 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Glossary This glossary provides definitions for the terminology and abbreviations used in IBM System Storage DS5000 and DS4000 publications If you do not find the term you are looking for see the IBM Glossary of Computing Terms located at the following Web site www ibm com ibm terminology This glossary also includes terms and definitions from e Information Technology Vocabulary by Subcommittee 1 Joint Technical Committee 1 of the International Organization for Standardization and the International Electrotechnical Commission ISO IEC JTC1 SC1 Definitions are identified by the symbol I after the definition definitions taken from draft international standards committee drafts and working papers by ISO IEC JTC1 SC1 are identified by the symbol T after the definition indicating that final agreement has not yet been reached among the participating National Bodies of SC1 e IBM Glossary of Computing Terms New York McGraw Hill 1994 The following cross refer
145. e DS5020 Cabling diagram for two redundant host connections Examples of redundant host direct attached Fibre Channel SAN configurations Example of a single SAN fabric configuration Example of a dual SAN fabric configuration Example of two storage subsystems in a dual SAN environment Example of a two cluster configuration Example of a single host multiple port configuration Example of a multiple host multiple port configuration Example of iSCSI and Fibre Channel hosts multiple port configuration Example of an incorrect configuration Single host iSCSI and Fibre Channel Example of a multiple host multiple port multiple switch configuration Power supply and fan unit LEDs age Front LEDs and controls Battery unit LEDs LEDs controls and connectors of controllers with two standard Fibre Channel host expansion channels LEDs controls and connectors of controllers with two standard and two optional Fibre Channel host expansion channels LEDs controls and connectors of controllers with two standard Fibre Channel host expansion channels and two optional iSCSI host expansion channels Numeric display LEDs Cache Active LEDs Battery unit LEDs Unlocking the SFP module latch plastic variety Unlocking the SFP module latch wire variety Removing a controller from the DS5020 Installing a controller Hot swap E DDM LEDs E DDM CRU handle Link rate LEDs Link rate switch Replacing a
146. e DS5020 10 If the new controller does not have the cache battery backup unit alread installed follow the instructions in Replacing a battery unit on page 144 to remove the cache backup battery from the existing controller unit and insert it into the new controller CRU 11 Install the new controller a Slide one controller into the empty slot in the storage subsystem Be sure that_the lever is pulled straight out as you slide the controller in as shown Figure 78 Installing a controller b As you slide the controller into the empty slot make sure the guide pins on the side of the controller fit into the notches After the guide pins fit into the notches and the controller fits snugly into the bay push the lever downward or upward 90 depending on whether the controller is inserted in the A or Chapter 5 Replacing components 125 12 13 14 15 16 17 18 19 B controller bay to fully latch it into place Do not force fit The controller is designed to prevent it from being inserted into the chassis incorrectly Attention Make sure that the levers lock into place in the storage subsystem chassis c Repeat step ila on page 125 and step 11b on page 125 to replace the second controller Wait up to 5 minutes for the DS Storage Manager client software to recognize the new controller Complete any remaining Recovery Guru procedures for controller replacement if needed Check the LEDs on the new
147. e Fibre Channel connection is working properly When finished go to step 12 Bypass LED and Fault LED are off Go to step 12 Is the problem corrected e Yes Go to step 13 e No Contact IBM Support Complete any remaining Recovery Guru procedures if needed Use the DS Storage Manager Subsystem Management window to check the status the status of all components in the storage subsystem Remove the antistatic protection Does any component have a Needs Attention status e Yes Select the Recovery Guru toolbar button in the Subsystem Management window and complete the recovery procedure If the problem persists contact IBM Support e No Go to step 17 Use the DS Storage Manager client software to print a new storage subsystem profile 148 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Replacing a midplane Statement 5 AA CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source AA 20 gt HL 2 Attention Observe handling static sensitive device precautions stated in Handling static sensitive devices on page 29 when removing components Perform the following steps to replace a midplane 1 Com
148. e cables from the Fibre Channel HBA ports in the hosts or Fibre Channel switches to the installation area Route main power cords to the installation area Continue with Preparing the rack cabinet Preparing the rack cabinet Important Before you install the storage subsystem in a rack cabinet keep in mind the following considerations Review the documentation that comes with your rack enclosure for safety and cabling considerations Install the storage subsystem in an environment with a temperature of 22 C 72 F See Environmental requirements and specifications on page 20 for details For proper airflow do not block the air vents allow for at least 15 cm 6 in of air space For optimal rack stability load the rack starting at the bottom If you install multiple components in the rack do not overload the power outlets Always connect the storage subsystem to a properly grounded outlet Always connect the IBM certified rack power distribution units PDUs to at least two independent power circuits or sources Complete the following steps to prepare the rack cabinet before you install the storage subsystem 1 2 3 4 5 Move unpack and level the rack at the installation site if needed Remove the external rack panels If necessary stop all I O activity to the devices in the rack If necessary turn off all drive enclosure and rack power Disconnect existing power network and other external cab
149. e more than 10 E DDMs or arrays that are comprised of high capacity SATA E DDMs consider replacing all E DDMs at the same time e How much risk of losing data is acceptable Because the array will be ina degraded state during the RAID array reconstruction and copyback process as result of replacing a drive in the array any new E DDM failure will cause the array to fail causing a loss of data availability and even a loss of data The duration of the reconstruction and copyback process can be quite long depending on the size of the RAID array e How extensive will the data be changed while the array is in a degraded state during the RAID array reconstruction and copyback process as result of replacing an E DDM in the array The more extensive the data changes the more work that will need to be performed to restore the data in the event that the array failed because of an addition E DDM failed while the array is in degraded state Replacing all E DDMs at the same time Use this procedure to replace all E DDMs at the same time You must use this method if you are upgrading E DDMs containing RAID 0 logical drives All the data currently on the E DDMs is lost when you replace the E DDMs therefore you must back up all data that is currently on the E DDMs This procedure also requires you to turn off the storage expansion enclosures and the DS5020 which makes the storage subsystem and any attached storage expansion enclosures inaccessible to othe
150. e power supply and fan unit CRU If the module temperature exceeds 45 C 113 F the storage management software displays a Needs Attention icon in the Subsystem Management window If event monitoring is enabled and event notification is configured the software issues the following two critical problem notifications e If one power supply shuts down the storage management software displays a Needs Attention status in the Subsystem Management window e If both power supplies shut down the module shuts down and the storage management software displays a Not Responding status in the Array Management window Use the following procedure to resume normal operation after a power supply shutdown Attention Risk of damage from overheating The power supplies automatically shut down when the air temperature inside the cabinet reaches 68 C 154 F If the power supplies shut down immediately remove all cabinet panels to help cool the cabinet air temperature and to prevent damage to the DS5020 storage subsystem configuration components 1 Remove the front cover 2 If applicable mute the alarm 3 Did you use the procedure Troubleshooting the storage subsystem on page to identify an overheating problem 114 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Yes Go to step 4 e No Perform the procedure Troubleshooting the storage subsystem on page 100 to verify that the p
151. e subsystem For instructions on powering up the storage subsystem see the storage subsystem documentation c Turn on the power to the storage subsystem then restart or turn on the power to the host Turn on the power to each device based on the power on sequence in step 8 on page 133 To turn on power to the storage subsystem and the storage expansion enclosures turn on the power supply and fan unit switches on the back of the storage subsystem You must turn on both power supply and fan unit switches to take advantage of the redundant power supplies Check the green Drive activity LEDs and the amber Drive fault LEDs above the new E DDM CRUs Make sure that the Drive activity LEDs are on and the Drive fault LEDs are off Note The Drive fault LEDs might flash intermittently while the E DDMs spin up e If the Drive activity LED is off the E DDM CRU might not be installed correctly Remove the E DDM CRU wait 30 seconds and then reinstall it e If the Drive fault LED stays on or the Drive activity LED stays off the new E DDM might be faulty See the DS Storage Manager software for problem determination Use the DS Storage Manager software to configure the new E DDMs See the DS Storage Manager software online Help for detailed instructions Restore the data from backup to all the E DDMs Replacing the E DDMs one at a time Use this procedure to replace all the E DDMs one at a time You cannot use this procedure on RAID 0 l
152. e switch IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Host system Host system with two iSCSI with two iSCSI connectors connectors J I Ethernet switch LX aigon Ethernet switch DS5020 Figure 62 Example of a multiple host multiple port configuration Figure 63 shows iSCSI and Fibre Channel hosts in a multiple port configuration Host 1 with a dual port Fibre Channel HBA Host 2 with two single port iSCSI HBAs F Su PLATT Fibre gt _ Gigabit Channel oe Ethernet switch o switch UL E E UL u Fibre iSCSI Channel ports ports Controller A Controller B Fibre iSCSI Channel ports DS5020 ports Figure 63 Example of iSCSI and Fibre Channel hosts multiple port configuration Chapter 3 Cabling the storage subsystem 89 90 Figure 64 shows an incorrect configuration of a single host with both iSCSI and Fibre Channel connections Important Do not cable the storage subsystem and host systems as shown in A storage subsystem with the incorrect storage topology might appear to be functional but incorrect cabling can potentially have unpredictable results Host with two single port iSCSI HBAs and one dual port Fibre Fibre Channel HBA Channel iSCSI ports TNN 7 Ports NTI i a
153. ed fan unit power LED enabled LED fault LED ok to remove LED Power supply and Flo Se EE yoo Te olo oo ooo ooo DO 5 els G S 0 00 u 0 0 0 0 Q of Power supply and fan unit power LED Service action allowed Service action required ok to remove LED fault LED Figure 66 Power supply and fan unit LEDs Table 12 Power supply and fan unit LEDs Direct current enabled LED LED Normal Status Problem Status Power supply and fan unit power AC On Off Service Action Allowed OK to Remove Off Service Action Required Fault Off On Direct Current Enabled DC On Off This section describes the primary LEDs and controls on the front of the DS5020 storage subsystem IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide
154. ed devices To Connect To Disconnect Turn everything OFF Turn everything OFF First attach all cables to devices First remove power cords from outlet Attach signal cables to connectors Attach power cords to outlet Turn device ON Remove signal cables from connectors PONS Remove all cables from devices af oO NS IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Statement 2 A CAUTION When replacing the lithium battery use only an equivalent type battery recommended by the manufacturer If your system has a module containing a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not e Throw or immerse into water e Heat to more than 100 C 212 F e Repair or disassemble Dispose of the battery as required by local ordinances or regulations Statement 3 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following e Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure A
155. ed by the DS5020 storage subsystem For FRU part numbers seaftable of on pagel 161 RAID controller Fault LED Note Controller Service Action Allowed LED will also be lit RAID controller failure Replace the RAID controller See your controller documentation for more information See Chapter 5 Replacing components on page for more information Controller was placed offline by a user or the other Use the menu function in the DS5020 Subsystem Management window to place the controller controller back online If the controller continues going to an offline state after being placed online replace the RAID controller Unsupported Use the Storage Manager Client controller type For example a DS4200 Express FRU is inserted into a DS5020 chassis Subsystem Management window and Recovery Guru to verify that the correct controller FRU is used Replace with the correct DS5020 controller FRU RAID controller Port Bypass LED No incoming signal detected Reconnect the SFP modules and the Fibre Channel cables Verify the input and output SFP using the path failure determination instruction in the DS4000 Problem Determination Guide and the Fibre Channel loopback and female female LC connector Replace either input or output SFP modules or Fibre Channel cables as necessary Incorrect enclosure speed setting When connecting storage expansion enclosures to the ex
156. el 1 Host Host Port 2 on Controller A Host Host Drive Channel 2 port 1 port2 port3 port4 Port 1 on Controller B Figure 36 DS5020 storage subsystem ports and controllers Notes 1 Port 1 on Controller A EXP810 and EXP520 storage expansion enclosures can be intermixed behind a DS5020 drive channel 2 To cable EXP810 storage expansion enclosures with a DS5020 you must purchase the Attach EXP810 to DS5020 Activation feature option IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide One DS5020 and one storage expansion enclosure If you are cabling one DS5020 storage subsystem to one storage expansion enclosure Figure 37 shows the correct cabling topology Note Figure 37 illustrates the drive channel connections between the DS5020 and the storage expansion enclosures Do not use as the cabling diagram Follow the instructions in DS5020 storage subsystem and supported storage expansion enclosure drive cabling schemes on page 67 for specific cabling instructions Port 2 drive channel 1 Port 1 drive channel 1 DS5020 Port 1 drive channel 2 Port 2 drive channel 2 1B 1A Figure 37 Cabling for one DS5020 and one storage expansion enclosure Chapter 3 Cabling the storage subsystem 59 60 One DS5020 and two storage expansion en
157. eliable operation Because IBM does not test any equipment for compatibility with fire suppression systems IBM does not make compatibility claims of any kind nor does IBM provide recommendations on fire suppression systems About this document XXVii XXViii IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Chapter 1 Introduction Overview Copyright IBM Corp 2009 This chapter describes the operating specifications features and components for the IBM System Storage DS5020 Storage Subsystem hereafter referred to as DS5020 or storage subsystem This chapter also includes an inventory checklist and important information about best practices guidelines and product updates for your DS5020 The IBM System Storage DS5020 storage subsystem Machine Type 1814 20A is designed to provide solutions to meet the needs of midrange departmental storage requirements delivering high performance advanced function high availability modular and scalable storage capacity with SAN attached 8 Gbps Fibre Channel FC and 1 Gbps iSCSI connectivity and support for RAID levels 0 1 3 5 and 6 up to over 49 terabytes TB when using 450 GB Fibre Channel hard drives and up to 112 TB when using 1 TB Serial Advanced Technology Attachment SATA Enhanced Disk Drive Modules E DDMs A 3U rack mountable enclosure houses the DS5020 redundant dual active RAID controllers with either four Fibre Channel ports fou
158. em Storage Quick start guide Quick reference for the DS4800 IBM TotalStorage DS4800 Controller Cache Upgrade Kit Instructions Appendix E Additional DS5020 documentation 185 DS4700 storage subsystem library Table 29 associates each document in the DS4700 storage subsystem library with its related common user tasks Table 29 DS4700 storage subsystem document titles by user tasks Title Planning Hardware Installation Software Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM System Storage DS4700 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick start guide Quick reference for the DS4700 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 IBM TotalStorage DS4500 Storage Subsystem Installation User s and Maintenance Guide IBM TotalStorage DS4500 Storage Subsystem Cabling Instructions IBM TotalStorage DS4500 Rack Mounting Instructions 186 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide DS4500 storage subsystem library Table 30 associates each document in the DS4500 previously FAStT900 storage subsystem library with its related common user tasks Table 30 DS4500 storage subsystem document titles by user tasks Title Planning Hardware Installation So
159. em is turned on and running Complete the following steps to install hot swap E DDMs in the storage subsystem Attention After you remove an E DDM CRU wait 70 seconds before replacing or reseating it to allow it to properly spin down Failure to do so might cause undesired events e The DS5020 and EXP810 E DDMs and FRUs are not compatible with the DS4200 Express and EXP420 EV DDMs and FRUs 1 Read the documentation that comes with the E DDM 2 Check for Fault LEDs shown in Figure 79 on page 1291 If any amber LEDs are lit see Solving problems on page 153 128 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Bezel Ban tray EE EEE EE ca Tray handle Latch Figure 79 Hot swap E DDM LEDs 3 Determine the bay into which
160. en open 4 Pull the E DDM out of the bay as shown in Figure 18 Figure 18 Removing an E DDM CRU Chapter 2 Installing the storage subsystem 39 5 Place the E DDM CRU horizontally on a level surface Attention Do not stack E DDM CRUs on top of one another Protect the E DDM CRUs from vibrations or sudden shocks 6 Repeat step 1 through step 4 on page 39 for additional E DDM CRUs Installing the DS5020 into a rack on the support rails Complete the following steps to install the DS5020 in the rack cabinet CAUTION Do not install modules or other equipment in the top half of a rack mount cabinet while the bottom half is empty Doing so can cause the cabinet to become top heavy and tip over Always install hardware in the lowest available position in the cabinet Statement 4 A gt 18 kg 39 7 Ib gt 32 kg 70 5 Ib gt 55 kg 121 2 Ib CAUTION Use safe practices when lifting 1 Put the DS5020 on antistatic protection and keep it on while you perform all of the remaining procedures in this chapter 2 Using a No 2 Phillips screwdriver remove the four M4 screws from the rails two screws in each rail If you do not remove these screws the storage subsystem will not fit securely Note If the screws are shipped in the hardware pack instead of already installed in the rails skip this step and go to step 3 3 Place the storage subsystem in the rack Note If you have removed the CRUs
161. ence conventions are used in this glossary See Refers you to a a term that is the expanded form of an abbreviation or acronym or b a synonym or more preferred term See also Refers you to a related term Abstract Windowing Toolkit AWT A Java graphical user interface GUI accelerated graphics port AGP A bus specification that gives low cost 3D graphics cards faster access to main memory on personal computers than the usual peripheral component interconnect PCI bus AGP reduces the overall cost of creating high end graphics subsystems by using existing system memory access volume A special logical drive that allows the host agent to communicate with the controllers in the storage subsystem Copyright IBM Corp 2009 adapter A printed circuit assembly that transmits user data input output I O between the internal bus of the host system and the external Fibre Channel link and vice versa Also called an I O adapter host adapter or Fibre Channel adapter advanced technology AT bus architecture A bus standard for IBM compatibles It extends the XT bus architecture to 16 bits and also allows for bus mastering although only the first 16 MB of main memory are available for direct access agent A server program that receives virtual connections from the network manager the client program in a Simple Network Management Protocol Transmission Control Protocol Internet Protocol SNMP TCP IP network managi
162. er LEDs on the front and back of the storage expansion enclosure turn on and off intermittently Depending on your configuration it can take several minutes for each storage expansion enclosure to power up Check the LEDs on the front and back of all the storage expansion enclosures Verify that no Needs Attention or enclosure ID LEDs light on any of the storage expansion enclosures To verify the Fibre Channel connections between the drive expansion enclosures make sure that no Port Bypass LEDs for connections to other storage expansion enclosures are lit Only the Port Bypass LED of the ESM port that connects directly to the storage subsystem drive port should be lit Note The drive activity LEDs will flash slowly once every 2 seconds until the drive is started by the DS5020 controller Turn on both power switches on the back of each controller in the storage subsystem Depending on the number of storage expansion enclosures in the configuration the storage subsystem might take several minutes to power up The battery self test might take an additional 15 minutes The LEDs will blink intermittently until the storage subsystem powers up and completes the battery self test The green Battery Charging LED will flash slowly once every 2 seconds until the battery is fully charged Before attempting any operations wait at least five minutes for the storage subsystem to completely power up A storage subsystem can take up to 10 minutes to
163. er cords e Rack mounting kit e Version 7 60 firmware preinstalled on the controller e IBM Documentation CD e Access to educational information about the DS5020 at http ibmdsseriestraining com 2 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Contact your IBM sales representative or reseller for more information about the various DS5020 and options Operating system support For supported operating systems see the latest DS Storage Manager host software readme file and the IBM DS4000 and DS5000 series products interoperability matrix at the following Web site for additional host operating system support http www 1 ibm com servers storage disk ds4000 interop matrix html See Finding DS5020 and DS4000 family readme files on page xxiv to learn how to access the DS5020 readme files on the Web Fibre Channel defined SATA defined iSCSI defined Fibre Channel technology is outlined in the SCSI 3 Fibre Channel Protocol SCSI FCP standard Fibre Channel is a high speed data transport technology that is used for mass storage and networking Using a Fibre Channel arbitrated loop FC AL more than 100 Fibre Channel devices can be supported compared to 15 small computer system interface SCSI devices The Fibre Channel connection speed from the storage subsystem to storage expansion enclosures is 4 Gbps and enables data transfer rates up to 400 Mbps half duplex and 800 Mbps fu
164. er product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure A DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Class 1 Laser statement Class 1 Laser Product Laser Klasse 1 Laser Klass 1 Luokan 1 Laserlaite Apparell A Laser de Calsse 1 IEC 825 11993 CENELEC EN 60 825 16 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide The storage subsystem supports a fiber optic interface for host and storage expansion enclosure connections You must install a Small Form factor Pluggable SFP module in each interface connector on the controller where a fiber optic cable is to be installed Do not install an SFP in any port that will not have a fiber optic cable attached Remove any SFP from any port that does not have fiber optic cables attached The DS5020 storage subsystem host ports support 2 4 and 8 Gbps Fibre Channel speeds The DS5020 storage subsystem drive ports support only 4 Gbps Fibre Channel speeds Attention The maximum operating speed of the Fibre Channel port is determined by two fac
165. er replaceable units CRUs 6 removal 36 removing a ac power supply and fan unit 37 removing a controller 37 removing a hard disk drive 39 removing an ac power supply and fan unit 38 removing an E DDM 39 removing E DDMs 37 removing hard disk drives 37 replacing 42 replacing the battery unit 144 replacing the controllers 122 213 D data sheet 164 devices installing and replacing 121 DHOP server sample network 11 diagnostic interface port 79 direct management method 81 document organization xix documentation DS Storage Manager 183 DS4000 related documents 193 DS4100 SATA storage subsystem 191 DS4200 Express storage subsystem 190 DS4300 Fibre Channel storage subsystem 189 DS4400 Fibre Channel storage subsystem 188 DS4500 storage subsystem 187 DS4800 storage subsystem 185 186 DS5020 183 DS5020 documents 193 DS5020 storage subsystem 184 Web sites xxv documentation format 199 documentation inventory 4 drive 2Gbps 7 amber Fault LED 8 green Activity LED 8 trays 7 drive CRU labels 127 drive CRUs 127 drive information 99 drive LED activity 128 drive LEDs 127 drive hard disk replacing all atsame time 131 132 replacing one atatime 131 134 DS Storage Manager documentation 183 installing 97 related documents 193 using to monitor storage subsystem status 98 DS4000 Hardware Maintenance Manual 193 Problem Determination Guide 193 Storage expansion enclosure documentation 192 DS4000 storage expansion enclosures enclosure ID se
166. erational due to a configuration problem such as mismatched types or it might be non operational due to hardware faults If the storage subsystem is non operational due to system configuration the storage subsystem Needs Attention LED is off If the storage subsystem is non operational due to a hardware fault the storage subsystem Needs Attention LED is on The definitions for Lx diagnostic codes are listed in Table 17 Table 17 Numeric display diagnostic codes Value Controller State Description LO Suspended Mismatched controller board ID L1 Suspended Missing interconnect canister L2 Suspended Persistent memory errors L3 Suspended Persistent hardware errors L4 Suspended Persistent data protection errors L5 Suspended ACS failure L6 Suspended Unsupported host card L7 Suspended Submodel identifier not set or mismatched L8 Suspended Memory configuration error L9 Suspended Link speed mismatch 108 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 17 Numeric display diagnostic codes continued Value Controller State Description LA Suspended Reserved LB Suspended Host card configuration error LC Suspended Persistent cache backup configuration error LD Suspended Mixed cache memory DIMMs LE Suspended Uncertified cache memory DIMM sizes LF Suspended Lockdown with limited SYMbol support LH Suspended Controlle
167. ermine if you should use this procedure use a modified version of this procedure or use a different procedure that is provided by your operating system Note Instructions that are provided with your software supersede anything stated in this document Attention After you remove an E DDM CRU wait 70 seconds before replacing or reseating the E DDM CRU to allow it to properly spin down Failure to do so might cause undesired events The following are methods for upgrading E DDMs e Replacing all the E DDMs at the same time This method requires that you back up the data on the affected E DDMs and then turn off the DS5020 storage subsystem Attention Turn off the DS5020 storage subsystem before you turn off the attached storage expansion enclosures After replacing all the E DDMs you must reconfigure the new E DDMs and restore data from backup See the procedure in Replacing all E DDMs at the This is the safest way to exchange E DDMs without losing data However this method might take a long time to complete because of the backup reconfiguration and restoration processes In addition other users are not able to use the storage subsystem or any storage expansion enclosures attached to the storage subsystem until you finish the procedure You must use this method on RAID 0 logical drives e Replacing the E DDMs one at a time In this method you manually fail each E DDM replace it and wait for the system to restore data to the
168. ers authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Industry Canada Class A emission compliance statement This Class A digital apparatus complies with Canadian ICES 003 Avis de conformit a la r glementation d Industrie Canada Cet appareil num rique de la classe A est conforme a la norme NMB 003 du Canada Australia and New Zealand Class A statement Attention This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures United Kingdom telecommunications safety requirement Notice to Customers This apparatus is approved under approval number NS G 1234 J 100003 for indirect connection to public telecommunication systems in the United Kingdom 200 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide European Union EMC Directive conformance statement This product is in conformity with the protection requirements of EU Council Directive 2004 108 EC on the approximation of the laws of the Member States relating to electromagnetic compatibility IBM cannot accept responsibility for any failure to satisfy the protection requirements resulti
169. evices that are compatible with the original IBM AT computer standard in which signals on a 40 pin AT attached ATA ribbon cable followed the timings and constraints of the Industry 203 Standard Architecture ISA system bus on the IBM PC AT computer Equivalent to integrated drive electronics IDE auto volume transfer auto disk transfer AVT ADT A function that provides automatic failover in case of controller failure on a storage subsystem AVT ADT See auto volume transfer auto disk transfer AWT See Abstract Windowing Toolkit basic input output system BIOS The personal computer code that controls basic hardware operations such as interactions with diskette drives hard disk drives and the keyboard BIOS See basic input output system BOOTP See bootstrap protocol bootstrap protocol BOOTP In Transmission Control Protocol Internet Protocol TCP IP networking an alternative protocol by which a diskless machine can obtain its Internet Protocol IP address and such configuration information as IP addresses of various servers from a BOOTP server bridge A storage area network SAN device that provides physical and transport conversion such as Fibre Channel to small computer system interface SCSI bridge bridge group A bridge and the collection of devices connected to it broadcast The simultaneous transmission of data to more than one destination cathode ray tube CRT A display device in which
170. ew ESM into an existing storage expansion enclosure in a storage subsystem that supports automatic ESM firmware synchronization the firmware in the new ESM is automatically synchronized with the firmware in the existing ESM EXP See storage expansion enclosure expansion port E_port A port that connects the switches for two fabrics Extended Industry Standard Architecture EISA A bus standard for IBM compatibles that extends the Industry Standard Architecture ISA bus architecture to 32 bits and allows more than one central processing unit CPU to share the bus See also ndustry Standard Architecture fabric A Fibre Channel entity which interconnects and facilitates logins of N_ports attached to it The fabric is responsible for routing frames between source and destination N_ports using address information in the frame header A fabric can be as simple as a point to point channel between two N ports or as complex as a frame routing switch that provides multiple and redundant internal pathways within the fabric between F_ports fabric port F_port In a fabric an access point for connecting a user s N_port An F_port facilitates N_port logins to the fabric from nodes connected to the fabric An F_port is addressable by the N_port connected to it See also fabric FC See Fibre Channel FC AL See arbitrated loop feature enable identifier A unique identifier for the storage subsystem which is used in the process o
171. f generating a premium feature key See also premium feature key Fibre Channel FC A set of standards for a serial input output I O bus capable of transferring data between two ports at up to 100 Mbps with standards proposals to go to higher speeds FC supports point to point arbitrated loop and switched topologies Fibre Channel Arbitrated Loop FC AL See arbitrated loop Glossary 205 Fibre Channel Protocol FCP for small computer system interface SCSI A high level fibre channel mapping layer FC 4 that uses lower level fibre channel FC PH services to transmit SCSI commands data and status information between a SCSI initiator and a SCSI target across the FC link by using FC frame and sequence formats field replaceable unit FRU An assembly that is replaced in its entirety when any one of its components fails In some cases a field replaceable unit might contain other field replaceable units Contrast with customer replaceable unit CRU FlashCopy A premium feature for the DS5020 that can make an instantaneous copy of the data in a volume F_port See fabric port FRU See field replaceable unit GBIC See gigabit interface converter gigabit interface converter GBIC A transceiver that performs serial optical to electrical and electrical to optical signal conversions for high speed networking A GBIC can be hot swapped See also small form factor pluggable Global Copy Refers to a remote logical
172. f configuring a drive into the kernel ODM See Object Data Manager out of band Transmission of management protocols outside of the fibre channel network typically over Ethernet partitioning See storage partition parity check 1 A test to determine whether the number of ones or zeros in an array of binary digits is odd or even 2 A mathematical operation on the numerical representation of the information communicated between two pieces For example if parity is odd any character represented by an even number has a bit added to it making it odd and an information receiver checks that each unit of information has an odd value PCI local bus See peripheral component interconnect local bus PDF See portable document format performance events Events related to thresholds set on storage area network SAN performance peripheral component interconnect local bus PCI local bus A local bus for PCs from Intel that provides a high speed data path between the CPU and up to 10 peripherals video disk network and so on The PCI bus coexists in the PC with the Industry Standard Architecture ISA or Extended Industry 208 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Standard Architecture EISA bus ISA and EISA boards plug into an IA or EISA slot while high speed PCI controllers plug into a PCI slot See also Industry Standard Architecture Extended Industry Standard
173. from the DS5020 you can lift the unit into the cabinet with the help of one other person If you have not removed the CRUs before the installation have at least two other people available to help you lift the DS5020 into the rack a Move the storage subsystem to the front of the rack mount cabinet b With help from another person place the back of the storage subsystem on the support rails and then slide the unit into the rack as shown in Figure 19 zere page 41 40 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Fonnmmmanm AF HA7 OLLEELIITIT BGG Goo oo ee OG 0 OO D D Front of Rack yO FO FF FO FF OOO OO OO o a a Figure 19 Installing the DS5020 4 Secure the storage subsystem Figure 20 shows how to secure the storage subsystem to the rack a Align the front mounting holes on each side of the storage subsystem with the mounting holes on the front of the support rails b Using the M4 screws that you removed in step 2 on page 40 secure the sides in the back of the DS5020 to the rack rails c Secure the front of the DS5020 using the four M5 screws as shown in M4 screws bl AON A o ob ocococoodoo oo M5 screws Figure 20 Securing the DS5020 to the rack cabinet Chapter 2 Installing the storage subsystem 41 5 Continue with one of the followi
174. ftware Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM TotalStorage DS4500 Storage Subsystem Installation User s and Maintenance Guide IBM TotalStorage DS4500 Storage Subsystem Cabling Instructions IBM TotalStorage DS4500 Rack Mounting Instructions Appendix E Additional DS5020 documentation 187 DS4400 storage subsystem library Table 31 associates each document in the DS4400 previously FAStT700 storage subsystem library with its related common user tasks Table 31 DS4400 storage subsystem document titles by user tasks Title Planning Hardware Installation Software Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM TotalStorage DS4400 Fibre Channel Storage Server User s Guide IBM TotalStorage DS4400 Fibre Channel Storage Server Installation and Support Guide IBM TotalStorage DS4400 Fibre Channel Cabling Instructions 188 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide DS4300 storage subsystem library Table 32 associates each document in the DS4300 previously FAStT600 storage subsystem library with its related common user tasks Table 32 DS4300 storage subsystem document titles by user tasks Title Planning Hardware Installation Software Installation
175. ge 67 4 If required set unique enclosure IDs for all storage expansion enclosures that are cabled to the DS5020 See Storage expansion enclosure ID settings on page 78 and then refer to your storage expansion enclosure installation manual for details on setting the enclosure ID The DS5020 storage subsystem locates the drives in the storage expansion enclosures after you turn on the power to the configuration Always connect power to the storage expansion enclosures first and then connect power to the DS5020 After you have powered on the configuration use the DS Storage Manager client to check the status of the new drives correct any errors found and configure the new drives Notes 1 EXP810 and EXP520 storage expansion enclosures can be intermixed behind a DS5020 drive channel 2 To cable EXP810 storage expansion enclosures with a DS5020 you must purchase the Attach EXP810 to DS5020 Activation feature option DS5020 storage subsystem drive cabling topologies This section provides preferred cabling topologies for cabling storage expansion enclosures to the DS5020 storage subsystem The cabling topologies include the following One DS5020 and two storage expansion enclosures on page 60 One DS5020 and two or more storage expansion enclosures in a mixed configuration on page 66 Each example provides redundant paths to the drives If one of these examples is suitable for your hardware and applicat
176. ge 89 e Example of an incorrect configuration Single host iSCSI and Fibre Channel as shown in Figure 64 on page 90 Te multiple port multiple switch configuration as shown in Figure 65 Notes 1 The DS5020 does not support direct connections from the host systems to the ISCSI ports on the storage subsystem 2 The DS5020 does not support connections to both iSCSI and Fibre Channel ports from the same host system 3 The following illustrations do not accurately represent the controller locations or port locations in the DS5020 The illustrations are for illustration purposes only Figure 61 shows an example of a multiple port single host configuration A system that uses multiple iSCSI ports can provide enhanced performance compared to a single port iSCSI connection Host system with two iSCSI connectors Gigabit Ethernet switch DS5020 Figure 61 Example of a single host multiple port configuration Figure 62 on page 89 shows a multiple host multiple port configuration For cluster configurations the following illustration is an example of a multiple host multiple port and redundant path and controller configuration You can replace the two gigabit Ethernet switches in the illustration with one large gigabit Ethernet switch that has the required number of ports Virtual local area network VLAN can also be used to isolate the two iSCSI networks instead of a singl
177. ge in which the cells require repetitive application of control signals to retain stored data ECC See error correction coding EEPROM See electrically erasable programmable read only memory EISA See Extended Industry Standard Architecture electrically erasable programmable read only memory EEPROM A type of memory chip which can retain its contents without consistent electrical power Unlike the PROM which can be programmed only once the EEPROM can be erased electrically Because it can only be reprogrammed a limited number of times before it wears out it is appropriate for storing small amounts of data that are changed infrequently electrostatic discharge ESD The flow of current that results when objects that have a static charge come into close enough proximity to discharge environmental service module ESM canister A component in a storage expansion enclosure that monitors the environmental condition of the components in that enclosure Not all storage subsystems have ESM canisters E_port See expansion port error correction coding ECC A method for encoding data so that transmission errors can be detected and corrected by examining the data on the receiving end Most ECCs are characterized by the maximum number of errors they can detect and correct ESD See electrostatic discharge ESM canister See environmental service module canister automatic ESM firmware synchronization When you install a n
178. ge subsystem This chapter provides the information that you need to install the storage subsystem into a rack cabinet Before you begin the installation review the safety information in Safety on page Installation overview provides an overview of the entire storage subsystem installation process Read this overview before you begin the installation Installation overview Statement 4 A gt 18 kg 39 7 Ib gt 32 kg 70 5 Ib gt 55 kg 121 2 Ib CAUTION Use safe practices when lifting Attention A fully configured DS5020 weighs up to 40 kg 88 Ib At least two other people should help you lift the DS5020 from the shipping box If desired open the sides of the shipping box and remove the CRUs from the DS5020 before you lift it from the shipping box in order to lighten the storage subsystem See the CRUs on page 36 The following steps summarize the DS5020 installation process Each step below is detailed in this chapter or next two chapters Chapter 3 Cabling the storage subsystem on page 45 and Chapter 4 Operating the storage subsystem on page 93 1 Review the preparation guidelines See Preparing for installation on page 29 Prepare the installation site See Preparing the site on page 31 Prepare the rack cabinet See Preparing the rack cabinet on page 32 Fold down and open the sides of the shipping box Without removing the DS5020 from box
179. gion are usually available only in that country or region Table 25 IBM power cords IBM power cord Feature Used in these countries or part number code Description regions 39Y7931 9800 Power Cord 125v Antigua and Barbuda Aruba 10A 4 3m Bahamas Barbados Belize Bermuda Bolivia Cayman Islands Costa Rica Columbia Cuba Dominican Republic Ecuador El Salvador Guam Guatemala Haiti Honduras Jamaica Mexico Micronesia Federal States of Netherlands Antilles Nicaragua Panama Peru Philippines Saudi Arabia Thailand Turks and Caicos Islands United States Venezuela Copyright IBM Corp 2009 179 Table 25 IBM power cords continued IBM power cord part number 39Y7917 Feature code 9820 Description Power Cord 250v 10A 2 8m Used in these countries or regions Afghanistan Albania Algeria Andorra Angola Armenia Austria Azerbaijan Belarus Belgium Benin Bosnia and Herzegovina Bulgaria Burkina Faso Burundi Cambodia Cameroon Cape Verde Central African Republic Chad Comoros Congo Democratic Republic of Congo Republic of Cote D Ivoire Ivory Coast Croatia Republic of Czech Rep Dahomey Djibouti Egypt Equatorial Guinea Eritrea Estonia Ethiopia Finland France French Guyana French Polynesia Gabon Georgia Germany Greece Guadeloupe Guinea Guinea Bissau Hungary Iceland Indonesia Iran Kazakhstan Kyrgyzstan Laos
180. h an ambient air temperature range of 10 C to 35 C 50 F to 95 F the fans in the power supply and fan units maintain a proper operating temperature inside the module If the internal temperature reaches 65 C 149 F the power supply shuts down automatically If both power supplies shut down because of overheating the module has no power and all indicator lights are off The following factors can cause the power supplies to overheat e An unusually high room temperature e Fan failures in the power supply and fan units e Defective circuitry in the power supply e Blocked air vents e Failures in other devices in the configuration or cabinet If a fan failure causes overheating or the operating environment becomes too hot greater than 55 C the Global Fault LED on the storage expansion enclosure turns on The power supply and fan unit Fault and Service Action Allowed SAA LEDs on the back of the storage subsystem also turn on Foemaler eae TE 104 shows the location of these LEDs Attention Because the power supply and fan unit CRU Fault and SAA LEDs are lit when the operating environment temperature is too hot greater than 55 C do not assume the power supply and fan unit CRU is bad Take action to cool down the environment first When the operating environment temperature is within the specified operating environment range the power supply and fan unit Fault and SAA LEDs will be unlit if there are no problems with th
181. h ee we ce 2 OD 38 Cabling for one DS5020 and two storage expansion enclosures 60 39 Incorrect cabling of one DS5020 and two storage expansion enclosures 61 40 Cabling for one DS5020 and three storage expansion enclosures 62 41 Cabling for one DS5020 and four storage expansion enclosures 68 42 Cabling for one DS5020 and up to six storage expansion enclosures 64 43 Cabling for one DS5020 and up to six storage expansion enclosures 66 44 Cabling for one DS5020 and two or more storage expansion enclosures in a mixed environment 67 45 DS5020 drive ports connected to EXP810 ESM ports labeled IB 69 46 Cabling for one DS5020 and one EXP520 storage expansion enclosure 70 47 One DS5020 and two EXP520 storage expansion enclosures behind a pair of DS5020 drive ports 71 48 One DS5020 and three EXP520 storage expansion enclosures behind a pair of DS5020 drive ports 72 49 One DS5020 and four EXP520 storage expansion enclosures behind a pair of DS5020 drive ports 74 50 One DS5020 and a maximum of six EXP520 storage expansion enclosures behind a pair of DS5020 drive ports lt s w v s se nenn 16 Copyright IBM Corp 2009 ix x Ethernet and serial port locations on DS5020 Host agent in band managed storage subsystems Direct out of band managed storage subsystems Location of host cables on RAID controllers on th
182. hannel host ports See iSCSI configurations on page 87 for more information about host connections through iSCSI Note The DS5020 supports up to 128 partitions Configuration upgrades are available as upgrade options Contact your IBM reseller or marketing representative for more information Redundant Fibre Channel host loops This section provides examples of DS5020 host Fibre Channel configurations DS5020 host Fibre Channel SAN configurations This section provides the following examples of DS5020 host Fibre Channel SAN configurations e Redundant host direct attached configurations as shown in Figure 56 e Single SAN fabric configuration as shown in Figure 57 on page 86 e Dual SAN fabric configuration as shown in Figure 58 on page 86 e Two storage subsystems in a dual SAN fabric configuration as shown in Figure 59 on page 87 e Two clusters as shown in Figure 60 on page 87 Notes 1 These configurations have host and drive path failover protection and provide high availability 2 The following illustrations do not accurately represent the controller locations or port locations in the DS5020 The illustrations are for illustration purposes only Host system Host system Host system with two host with two host with two host adapters adapters adapters BEER i bP Ld DS5020 DS5020 Figure 56 Examples of redundant h
183. he DS Storage Manager software to check the status of the unit Correct any problems that are reported Back up the data in the arrays and logical drives that are configured using the E DDMs that you are replacing Attention When you handle static sensitive devices take precautions to avoid damage from static electricity For details about handling static sensitive devices see Handling static sensitive devices on page 29 Unpack the new E DDMs Set the E DDMs on a dry level surface away from magnetic fields Save the packing material and documentation in case you need to return the E DDMs Use the DS Storage Manager software to make sure that the array that was defined using these E DDMs is in optimal not degraded state before manually failing the first E DDM you want to replace If the array is in degraded state use the recovery procedures to bring the array into the optimal state Make sure of the following e You fail only one E DDM e The software status display shows a failed status for the applicable E DDM e The amber Drive fault LED on the front bezel below the E DDM is on Attention Removing the wrong E DDM can cause data loss Make sure that you remove only the failed E DDM CRU To identify the failed E DDM CRU look for the lit Drive fault LED If you remove an active E DDM accidentally wait at least 30 seconds and then reinstall it Because you failed two E DDMs in a RAID array the array might be marked fa
184. he ESM information displays in the right pane of the Drive Enclosure Component Information window 3 Locate the firmware version of each ESM in the drive enclosure Specifications This section provides site specifications for the DS5020 storage subsystem Before installing you must either verify that your planned installation site meets these requirements or prepare the site so that it does meet these requirements Preparations might involve meeting area requirements environmental requirements and electrical requirements for DS5020 storage subsystem installation service and operation Area requirements The floor space at the installation site must provide enough strength to support the weight of the storage subsystem and associated equipment sufficient space to install operate and service the storage subsystem and sufficient ventilation to provide a free flow of air to the unit Dimensions shows the dimensions of the DS5020 which conforms to the 19 inch rack standard 57 15 cm 22 5 in Figure 9 DS5020 dimensions Weight The total weight of the storage subsystem depends on the number of components installed Table 2 on page 20l lists the maximum empty and shipping weights for Chapter 1 Introduction 19 the storage subsystem in different configurations Table 3 lists the weight of each component Table 2 DS5020 weights Weight Unit Maximum Empty Shipping DS5020 40 kg 88 Ib 16 4 kg 36 1 Ib 5
185. he chassis and place it on electrostatic discharge ESD protected surface c Repeat steps Balanalstltor the other controller 6 Remove both power supply and fan units To remove them do the following Chapter 5 Replacing components 149 a Squeeze the latch and pull the lever open 90 so that the lever is horizontal to release the power supply and fan unit from the latch The latch is a coral colored tab on the lever b Slowly pull the lever away from the chassis to remove the power supply and fan unit as shown in Figure 17 on page 39 Remove the power supply and fan unit from the chassis and place it on ESD protected surface Note The lever rotates upward or downward 90 depending on whether the power supply and fan unit you are removing is in the right or left power supply and fan unit bay c Repeat steps 6a ana b for the other power supply and fan unit 7 Label the Enhanced Disk Drive Module E DDM CRUs so you know their physical location in the midplane 8 Remove the E DDM CRUs and any blank drive CRUs if the storage subsystem has them See Removing an E DDM on page 39 for instructions Place E DDMs on ESD protected surface Attention Do not stack E DDM CRUs on top of each other Protect the E DDM CRUs from vibrations or sudden shocks 9 Use a 1 Phillips screwdriver to loosen the four front cage frame screws on the midplane as shown in Figure 86 Front cage frame screws
186. he memory Cache memory is memory on the RAID controller that is used for intermediate storage of read and write data on the DS5020 RAID controllers Using cache memory can increase system performance The data for a read operation from the host might be in the cache memory from a previous operation thus eliminating the need to access the drive itself and a write operation is completed when it is written to the cache rather than to the drives The RAID controller has a Cache Active LED that displays the current status of the cache The LED is on if there is data in the cache and it is off if there is no data in the cache 116 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide If caching is enabled and the Cache Active LED never comes on during I O activity it indicates one of the following conditions e The cache memory from either controller A or controller B has failed e The cache sizes in controller A and controller B are not the same e The battery has failed In this case one or both of the green Battery LEDs will be off and one or both amber Battery Needs Attention LEDs will be lit Note Always use the DS Storage Manager client to check your cache memory settings before assuming a hardware failure Figure 73 shows the locations of the Cache Active LEDs on the front of the RAID controllers z 020 o oro o oo 0 0 o 000 T ala gt z OJ oo E a
187. her DS5000 and DS4000 related documents Appendix F Accessibility Notices Trademarks Important notes Particulate contamination Documentation format Electronic emission notices Soe a Federal Communications Commission FCC statement Industry Canada Class A emission compliance statement Avis de conformit a la r glementation d Industrie Canada Australia and New Zealand Class A statement United Kingdom telecommunications safety requirement European Union EMC Directive conformance statement Taiwanese Class A warning statement Germany Electromagnetic Compatibility Directive Glossary Deutschland Einhaltung des Gesetzes Uber die elektromagnetische Vertr glichkeit von Ger ten Zulassungsbescheinigung laut dem Deutschen Gesetz ber die elektromagnetische Vertr glichkeit von Ger ten EMVG bzw der EMC EG Richtlinie 2004 108 EG f r Ger te der Klasse A a RE People s Republic of China Class A warning statement Japanese Voluntary Control Council for Interference VCCI statement Korean Class A warning statement IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 160 163 163 164 165 166 167 171 171 173 179 183 183 184 185 186 187 188 189 190 191 192 193 195 197 197 198 199 199 200 200 200 200 200 200 201 201 201 202 202
188. his drains static electricity from the package and from your body e Remove the device from its package and install it directly into your system unit without setting it down If it is necessary to set the device down place it in its static protective package Do not place the device on your system unit cover or on a metal table e Take additional care when handling devices during cold weather because heating reduces indoor humidity and increases static electricity Preparing for installation Before installing the DS5020 storage subsystem create a detailed plan of how this unit will be used in your storage configuration The plan might include determining RAID levels failover requirements operating systems to be used and total storage capacity requirements The following illustration shows the items that you need to install the DS5020 storage subsystem in the rack cabinet If any items are missing or damaged contact your place of purchase Note The illustration might differ slightly from your DS5020 hardware The host interface cables Ethernet cables Fibre Channel signal cables and iSCSI signal cables are not shown in the following illustration Chapter 2 Installing the storage subsystem 29 AC power supply and fan unit Backup Controller battery unit DS5020 Storage subsystem M4 x 8mm screws 4 bas Small Form factor Pluggable transceivers pre installed AC power cord 2 Fir
189. iber optic cables Handling fiber optic cables F Installing SFP modules Removing SFP modules Using LC LC Fibre Channel cables Da Connecting an LC LC cable to an SFP module Removing an LC LC Fibre Channel cable Connecting storage expansion enclosures to the DS5020 Redundant drive channel pair Overview of steps to connect storage expansion enclosures to a storage subsystem f DS5020 storage subsystem drive cabling topologies One DS5020 and one storage expansion enclosure One DS5020 and two storage expansion enclosures One DS5020 and three storage expansion enclosures One DS5020 and four storage expansion enclosures One DS5020 and up to six storage expansion enclosures One DS5020 and two or more storage expansion enclosures in a mixed configuration cabling schemes DS5020 storage subsystem drive cabling rules i One DS5020 and one EXP520 storage expansion enclosure One DS5020 and two EXP520 storage expansion enclosures One DS5020 and three or more EXP520 storage expansion enclosures Storage expansion enclosure settings Fibre Channel loop and ID settings Storage expansion enclosure ID settings Connecting secondary interface cables Configuring the storage subsystem Storage subsystem management methods IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 66 DS5020 storage subsystem and supported storage expansion enclosure drive 67 67
190. ical outlets are working and so on For more information see Restoring power after an unexpected shutdown on page 112 The storage subsystem cooling system consists of two fans in each of the two power supply and fan unit CRUs The power supply and fan units circulate air from the front to the back of the unit If both power supply and fan units fail or if the power supply and fan units cannot maintain an internal temperature below 68 C 154 F the power supply and fan Chapter 5 Replacing components 139 units in the unit will automatically shut down an over temperature condition If this occurs you must cool the unit and restart it See Restoring power after an unexpected shutdown on page 112 Attention The fans in the power supply and fan units draw in fresh air and force out hot air The power supply and fan units are hot swappable and redundant however if the fans in one power supply and fan unit fail you must replace the entire failed power supply and fan unit within 72 hours to maintain redundancy and optimum cooling Do not remove the failed power supply and fan unit until you have the replacement power supply and fan unit When you do remove the failed power supply and fan unit be sure to install the second power supply and fan unit within 10 minutes to prevent any overheating due to the interruption to the air flow that cools the storage subsystem Do not run the storage subsystem without adequate venti
191. ignal cables e Never turn on any equipment when there is evidence of fire water or structural damage e Disconnect the attached power cords telecommunications systems networks and modems before you open the device covers unless instructed otherwise in the installation and configuration procedures e Connect and disconnect cables as described in the following table when installing moving or opening covers on this product or attached devices To Connect To Disconnect 1 Turn everything OFF 1 Turn everything OFF 2 First attach all cables to devices 2 First remove power cords from outlet 3 Attach signal cables to connectors 3 Remove signal cables from connectors 4 Attach power cords to outlet 4 Remove all cables from devices 5 Turn device ON 9 Turn off the power switch and unplug the power cord from the failed power supply and fan unit 10 Squeeze the latch and pull the lever open 90 so that the lever is horizontal to release the power supply and fan unit from the latch The latch is a coral colored tab on the lever 11 Slowly pull the lever away from the chassis to remove the power supply and fan unit as shown in Figure 83 on page 143 Note The lever rotates upward or downward 90 depending on whether the power supply and fan unit you are removing is in the right or left power supply and fan unit bay 12 Slide the new unit into the empty slot As you slide the power
192. iled by the controller This array will not be available to the host for I O See the DS Storage Manager software for further recovery instructions Do not attempt to replace any E DDMs until the array is brought back to optimal state Use the procedures in Replacing hot swap E DDMs on page 130 to remove the failed E DDM Use the procedures in Installing hot swap E DDMs on page 128 to install the new E DDMs into the storage subsystem The new E DDM automatically reconstructs the data after you install it in the drive slot During data reconstruction the amber Drive fault LED might come on for a few minutes then turn off when the green Drive activity LED begins flashing A flashing Drive activity LED indicates that data reconstruction is in progress Note If your storage subsystem has active hot spares data might not start copying to the new E DDM until the data is reconstructed on the hot spare This increases the time that is required to complete the procedure Check the green Drive activity LED and the amber Drive fault LED above the new E DDM CRUs Make sure that the Drive activity LEDs are on and the Drive fault LEDs are off Chapter 5 Replacing components 135 Note The Drive fault LEDs might flash intermittently while the E DDMs spin up e If the Drive activity LED is off the E DDM CRU might not be installed correctly Remove the E DDM CRU wait 30 seconds and then reinstall it e If the Drive fault LED stays on
193. information on a hard disk is duplicated on additional hard disks See also remote mirroring model The model identification that is assigned to a device by its manufacturer MSCS See Microsoft Cluster Server network management station NMS In the Simple Network Management Protocol SNMP a station that runs management application programs that monitor and control network elements NMI See non maskable interrupt NMS See network management station non maskable interrupt NMI A hardware interrupt that another service request cannot overrule mask An NMI bypasses and takes priority over interrupt requests generated by software the keyboard and other such devices and is issued to the microprocessor only in disastrous circumstances such as severe memory errors or impending power failures node A physical device that allows for the transmission of data within a network node port N_port A fibre channel defined hardware entity that performs data communications over the fibre channel link It is identifiable by a unique worldwide name It can act as an originator or a responder nonvolatile storage NVS A storage device whose contents are not lost when power is cut off N_port See node port NVS See nonvolatile storage NVSRAM Nonvolatile storage random access memory See nonvolatile storage Object Data Manager ODM An AIX proprietary storage mechanism for ASCII stanza files that are edited as part o
194. ion complete the cabling connections as described by the graphics If you have hardware other than what is shown in these examples to include in your topology use these examples as a starting point for creating your specific topology Chapter 3 Cabling the storage subsystem 57 58 Important The DS5020 supports the connection of a maximum of six storage expansion enclosures per redundant drive channel pair The DS5020 supports one redundant drive channel pair If you are using fiber optic cables install SFP modules into the ports that will receive the cables before installing the cables Figure 36land shows the locations of controllers A and B the single ported Fibre Channel host channels Ethernet ports and dual ported Fibre Channel drive channels at the back of the DS5020 storage subsystem Note Your DS5020 hardware might differ slightly from the following illustration Host Host Host Host Drive Channel 2 port 4 port 3 port 2 port 1 Port 2 on Controller B f o omo o ols o felo EEA rm 000 ze NE u Controller A O10 oog es DIL 00 GE A SHF bi on 4 CILL JO ol VA po oa oO 0 1010 Controller B Drive Channel 1 Drive Chann
195. ions on how to install the DS Storage Manager host software In addition to download the latest version of the DS Storage Manager host software the DS5020 storage subsystem controller firmware and NVSRAM and the latest storage expansion enclosure ESM firmware go to the following Web site http www ibm com systems support storage disk The DS Storage Manager client provides the best way to diagnose and repair storage server failures The software can help you do the following e Determine the nature of the failure e Locate the failed component e Determine the recovery procedures to repair the failure Although the storage subsystem has Needs Attention LEDs these LEDs do not necessarily indicate which component has failed or needs to be replaced or which type of recovery procedure you must perform In some cases such as in the case IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide of a hard disk drive exceeding its PFAs the Needs Attention LED does not turn on Only the DS Storage Manager client can detect the failure For example the recovery procedure for a Predictive Failure Analysis PFA flag impending drive failure on a drive varies depending on the drive status hot spare unassigned RAID level current logical drive status and so on Depending on the circumstances a PFA flag on a drive can indicate a high risk of data loss if the drive is in a RAID O volume or a minimal ri
196. isplay consists of two seven segment LEDs that provide information about enclosure identification and diagnostics Figure 72 on page 108 shows the numeric display and the diagnostic LED Chapter 4 Operating the storage subsystem 107 Diagnostic Seven segment LED display o o o AE Figure 72 Numeric display LEDs When you turn on the power to the storage subsystem the seven segment LEDs show 88 before the boot firmware starts to run After the boot code starts is displayed When the storage subsystem is operating normally the numeric display shows the enclosure identification enclosure ID of the storage subsystem If an error has occurred and the Needs Attention LED is on the numeric display shows diagnostic information The numeric display indicates the information is diagnostic by illuminating an LED that appears as a decimal point between the display numbers The diagnostic LED tuns off when the numeric display shows the storage subsystem enclosure ID The numeric display shows various diagnostic codes as the enclosures perform the startup process after each power cycle or reset After diagnostics are complete the current storage subsystem enclosure ID is displayed Diagnostic codes in the form of Lx or Hx where x is a hexadecimal digit indicate storage subsystem state information In general these codes are displayed only when the storage subsystem is in a non operational state The storage subsystem might be non op
197. isting operating redundant drive loop with a different speed setting the port goes into bypass mode because mixing different speed enclosures within the same redundant drive loop channel is not supported RAID controller failure If the RAID controller Fault LED is lit also replace the RAID controller IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 20 Symptom to FRU index continued Problem indicator Amber LED is lit continued Component Front panel Global Summary Fault LED Possible cause General machine fault General machine fault continued Possible solutions A Fault LED is lit somewhere on the storage subsystem check for Amber LEDs on CRUs Open the DS5020 Storage Subsystem Management window and click on the Recovery Guru to see problems in the DS5020 configuration Some errors will cause the Global Summary Fault LED to be lit but will not cause any individual CRU Fault LEDs to be lit Drive PFA exceeded or nominal temperature exceeded errors are a few examples Follow the corrective actions in the Recovery Guru window Fibre Channel connection failure Check that the CRUs are properly installed If none of the amber LEDs are lit on any of the CRUs this indicates an SFP module transmission fault in the storage subsystem Replace the failed SFP module See the DS Storage Manager software documentation for
198. lation and cooling because it might cause damage to the internal components and circuitry Use the following procedure to replace an ac power supply and fan unit Figure 83 on page 143 illustrates removing and inserting a unit Attention Potential damage to a component To prevent damage from overheating replace a failed power supply and fan unit CRU within 15 minutes of removal If replacing it will take longer than 15 minutes stop all I O activity to the storage subsystem and turn off the power until you complete the replacement Statement 8 AA CAUTION Never remove the cover on a power supply and fan unit or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these parts contact a service technician 1 If needed use the DS Storage Manager client software to print a storage system profile 2 Did the Recovery Guru direct you to replace a failed power supply and fan unit e Yes Go to step 3 e No Run the Recovery Guru to identify the failed component and then go to step 3 3 Put on antistatic protection 140 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Unpack the new power supply and fan unit Save all packing material in case you need to return the failed power su
199. le the device carefully holding it by its edges or its frame e Do not touch solder joints pins or exposed printed circuitry e Do not leave the device where others can handle and possibly damage the device e While the device is still in its static protective package touch it to an unpainted metal part of the storage subsystem for at least two seconds This drains static electricity from the package and from your body e Remove the device from its package and install it directly into your storage subsystem without setting it down If it is necessary to set the device down place it in its static protective package Do not place the device on your storage subsystem cover or any metal surface e Take additional care when handling devices during cold weather because heating reduces indoor humidity and increases static electricity Allowed Status LED Each controller power supply and fan unit and battery unit has a blue Service Action Allowed status LED The purpose of the Service Action Allowed status LED is to help make sure that a component is not removed before it is safe to do so Do not remove any storage subsystem component unless the Service Action Allowed status LED for that component is lit r Attention Never remove a controller power supply and fan unit or battery unit unless the Service Action Allowed status LED is turned on Doing so can result in a potential loss of data availability If the Needs Attention LED is lit a
200. lection of storage area network SAN devices that are interconnected serially in a single loop circuit loop port Anode port N_port or fabric port F_port that supports arbitrated loop functions associated with an arbitrated loop topology LPAR See logical partition LUN See logical unit number MAC See medium access control management information base MIB The information that is on an agent It is an abstraction of configuration and status information man pages In UNIX based operating systems online documentation for operating system commands subroutines system calls file formats special files stand alone utilities and miscellaneous facilities Invoked by the man command MCA See micro channel architecture media scan A media scan is a background process that runs on all logical drives in the storage subsystem for which it has been enabled providing error detection on the drive media The media scan process scans all Glossary 207 logical drive data to verify that it can be accessed and optionally scans the logical drive redundancy information medium access control MAC In local area networks LANs the sublayer of the data link control layer that supports medium dependent functions and uses the services of the physical layer to provide services to the logical link control sublayer The MAC sublayer includes the method of determining when a device has access to the transmission medium Metro Mir
201. les Install any additional interface cables and power cables After you have completed these steps continue with Installing the support rails Installing the support rails Important Duplicate copies of the rack mounting templates are provided in Appendix B Rack mounting templates on page 167 If you want to tear out the templates from this document use the copies in Appendix B Rack mounting templates on page 167 32 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Use the following templates Figure 13 and Figure 14 on page 34 to identify the proper locations for inserting M5 screws when mounting the support rails and DS5020 storage subsystem to a rack cabinet The locations for the M5 screws are highlighted in the templates Hold the applicable template up to each side of the rack cabinet at the 3U section where you will install the DS5020 U boundaries are shown as horizontal dashed lines in the rack mounting templates The highlighted squares on each side of the template mark the positions where you will thread the M5 screws that secure the rails and the DS5020 to the front and rear of the cabinet Note The mounting holes that are shown in the following templates are square The holes in your rack might be round square or threaded DS5020 Bezel J RO N T Bezel Install second gt Front Left Rack Mou nti ng Front Right gt
202. ll duplex on optical interfaces The Serial Advanced Technology Attachment SATA interface offers increased data rate performance over Parallel Advanced Technology Attachment ATA while maintaining the benefits of ATA SATA is designed to overcome the performance barriers that have been forecasted for current parallel technologies while maintaining the cost efficiency of Parallel ATA SATA specifications allow for thinner more flexible cables and lower pin counts It also enables easier more flexible cable routing management and the use of smaller connectors than is possible with the existing Parallel ATA technology The Serial ATA Working Group introduced the first SATA specification Serial ATA 1 0 in 2001 http www serialata org The Internet Small Computer System Interface iSCSI is an IP based standard for linking data storage devices over a network and transferring data by carrying SCSI commands over IP networks Inventory checklist After you unpack the DS5020 verify that you have the following items Note Depending on your DS5020 order your shipping box might contain additional materials not listed in the following checklist Review the inventory checklist included in the DS5020 shipping box for any additional parts and use that checklist in combination with the following information Hardware E DDMs or blank trays 16 Your storage subsystem might come with up to 16 E DDMs Chapter 1 Introduction 3 4
203. log files only to a LUN in the DS5020 storage subsystem Use the Storage Subsystem Profile or DS5020 Profile to verify that the following firmware levels are at the latest versions supported for your DS5020 storage subsystem e Controller firmware e ESM firmware Drive firmware If you discover your firmware is not up to date upgrade the firmware and software to the latest level applicable to your DS5020 storage configuration See Web pages on page 94 for information about where to find the latest firmware and software Attention You must resolve Recovery Guru errors or problems before upgrading firmware Save the storage subsystem profile before performing any controller or ESM firmware upgrades Save the storage subsystem profile and all cfg files to a server disk that will remain accessible in the event of a DS5020 storage configuration failure 93 Web pages Note When you upgrade firmware you must upgrade all client package components to the same release level For example if you are upgrading your controller firmware from version 6 x to version 7 x you must also upgrade your Storage Manager client to version 10 x or higher If your host system uses RDAC upgrading controller firmware from version 6 x to version 7 x might also require host software updates such as RDAC updates and HBA driver updates Refer to the IBM System Storage Web site for detailed instructions 4 Use the Storage Subsystem Profile or DS50
204. logical drives that are visible to a host computer or are shared among host computers that are part of a host group storage partition topology In the DS Storage Manager client the Topology view of the Mappings window displays the default host group the defined host group the host computer and host port nodes The host port host computer and host group topological 210 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide elements must be defined to grant access to host computers and host groups using logical drive to LUN mappings striping Splitting data to be written into equal blocks and writing blocks simultaneously to separate disk drives Striping maximizes performance to the disks Reading the data back is also scheduled in parallel with a block being read concurrently from each disk then reassembled at the host subnet An interconnected but independent segment of a network that is identified by its Internet Protocol IP address sweep method A method of sending Simple Network Management Protocol SNMP requests for information to all the devices on a subnet by sending the request to every device in the network switch A fibre channel device that provides full bandwidth per port and high speed routing of data by using link level addressing switch group A switch and the collection of devices connected to it that are not in other groups switch zoning See zoning synchron
205. loss of configuration and other storage subsystem problems Contact your IBM technical support representative for additional information Redundant drive channel pair Each controller on the DS5020 has drive channel ports The storage expansion enclosures that are connected to these ports form a drive channel also referred to as drive loop The maximum number of hard drives that can be installed in one drive channel is 112 One drive channel from each controller combines to form a redundant drive channel pair Figure 35 on page 56 shows an example of a redundant drive channel pair If any component of the drive channel fails the RAID controllers can still access the storage expansion enclosures in the redundant drive channel pair Note In the following drive cabling figures the DS5020 graphics are simplified to show only the drive ports of each controller Chapter 3 Cabling the storage subsystem 55 Right ESM Drive Channel 1 port 2 Channel 2 port vw Redundant wer Drive Channel an EEE DS5020 AG 7 pair Drive Channel 1 port 1 Channel 2 port2 i Right ESM Right ESM Figure 35 Example of a redundant drive channel pair Overview of steps to connect storage expansion enclosures to a storage subsystem To connect storage expansion enclosures to the storage subsystem perform the following steps Note The following procedures are for cold case proce
206. m Verify the status of the configuration using LEDs and the DS Storage Manager client program After removing the faulty cage frame with midplane assembly transpose the DS5020 serial number machine type and model tag from the faulty cage frame assembly to the Repair Identification RID tag on the new cage frame assembly The RID tag is important in transferring the serial number machine type and model from the faulty cage frame assembly to the new cage frame assembly Make sure that the new RID tag is affixed to the new cage frame assembly before you dispose of the faulty cage frame with midplane assembly This will so that the warranty coverage is not interrupted IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Chapter 6 Hardware maintenance This chapter contains information to help you solve some of the simpler problems that you might have with your storage subsystem It contains the problem indicators and error messages along with suggested actions to take to resolve the problem For instructions on how to obtain service and technical assistance for your storage subsystem and other IBM products see Getting information help and service on General checkout Use the indicator lights the diagnostics and test information the symptom to FRU index and the connected server Problem Determination and Service Guide to diagnose problems The PD maps found in the BM System Storage DS4
207. m profile This information might be helpful when troubleshooting Contact IBM Customer and Technical Support for assistance When the recovery procedure is completed select Recheck in the Recovery Guru to rerun the Recovery Guru and to make sure that the problem has been corrected Checking the LEDs The LEDs display the status of the storage subsystem and components The color of the LED is important e Green LEDs indicate a normal operating status e Amber LEDs Needs Attention indicate a possible failure e Blue LED on a CRU indicates that is safe to remove the component The DS5020 storage subsystem also has a blue Global Locate LED that is lit when the menu function is selected in the Subsystem Management window causing the LOCATE command to be sent to the DS5020 It is important to check all the LEDs on the front and back of the storage subsystem when you turn on the power During power up the indicator LEDs blink intermittently as the storage subsystem and components complete the power up process In addition to checking for faults you can use the LEDs on the front of the storage subsystem to determine if the drives are responding to I O transmissions from the host AC power supply and fan unit LEDs This section describes the primary power supply and fan unit LEDs on the DS5020 storage subsystem Chapter 4 Operating the storage subsystem 101 Front LEDs 102 Direct current Service action required Service action allow
208. mmunication networks and in interconnected systems of such networks It uses the Internet Protocol IP as the underlying protocol Transmission Control Protocol Internet Protocol TCP IP A set of communication protocols that provide peer to peer connectivity functions for both local and wide area networks trap In the Simple Network Management Protocol SNMP a message sent by a managed node agent function to a management station to report an exception condition trap recipient Receiver of a forwarded Simple Network Management Protocol SNMP trap Specifically a trap receiver is defined by an Internet Protocol IP address and port to which traps are sent Presumably the actual recipient is a software application running at the IP address and listening to the port TSR program See terminate and stay resident program uninterruptible power supply A source of power from a battery that is installed between a computer system and its power source The uninterruptible power supply keeps the system running if a commercial power failure occurs until an orderly shutdown of the system can be performed user action events Actions that the user takes such as changes in the storage area network SAN changed settings and so on worldwide port name WWPN A unique identifier for a switch on local and global networks worldwide name WWN A globally unique 64 bit identifier assigned to each Fibre Channel port WORM See
209. more information Battery unit fault Battery unit failure Verify the failure using DS Storage Manager Client and replace the failing battery Amber LED is lit and green LED is off Power supply CRU The power switch is turned off or there is an ac power failure Replace the failed power supply or turn on all power supply switches Amber and green Power supply Power supply failure Replace the failed power supply LEDs are lit CRU Operating Cool down the environment Fault and environment is too Power LEDs lit hot SAA lit Direct Current Enable Fan failure Replace the power supply and LED is not lit fan unit CRU All amber and All drive CRUs The DS5020 controllers are going through start of day green LEDs are slowly flashing process booting up Wait up to five minutes for the controllers to complete the booting process If the drive Activity LEDs are not steady lit or momentarily flicker and the amber LEDs are unlit after waiting more than six minutes contact IBM support Chapter 6 Hardware maintenance 155 156 Table 20 Symptom to FRU index continued Problem indicator Component Possible cause Possible solutions All green LEDs All CRUs Subsystem power is Check that all storage subsystem are off off power cables are plugged in and the power switches are on If applicable check that the main circuit breakers for the rack are powe
210. ms support storage disk IP addresses for RAID controllers for in band management only e Additional documentation for switches and HBAs if needed e Applicable host kit for your operating system which includes the DS Storage Manager DVD containing the applicable Storage Manager version and storage subsystem controller firmware Depending on the DS5020 configuration you purchased your DS5020 will ship with either the Microsoft Windows host software attachment kit or with your choice of host software kits Windows AIX Linux Netware SUN Solaris HP UX Linux on POWER or VMware The host software kit grants you permission to attach host servers using the applicable operating system to the DS5020 The kit includes a DS Storage Manager Support DVD that has the applicable IBM DS Storage Manager host software The DVD also includes correct controller firmware version For the latest controller firmware and the DS Storage Manager host software for your operating systems check the IBM support web site IBM System Storage products Chapter 4 Operating the storage subsystem 97 http www ibm com systems support storage disk Before any planned system shutdown or after any system additions removals or modifications including firmware updates logical drive creations storage partitioning definitions hardware changes and so on save the storage subsystem profile as explained in the DS Storage Manager guide for your operating system Sa
211. mware and DS Storage Manager DVDs Complete the following steps to prepare the DS5020 storage subsystem for installation into a rack cabinet 1 Prepare the site to meet all area environmental power and site requirements For more information see Specifications on page 19 Statement 4 A gt 18 kg 39 7 Ib gt 32 kg 70 5 Ib gt 55 kg 121 2 Ib CAUTION Use safe practices when lifting Move the shipping box that contains the DS5020 to the site Remove the mounting rails mounting hardware and line jumper cords from the DS5020 shipping box Do not remove the DS5020 from the shipping box at this time om 30 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 5 6 Attention The mounting rails mounting hardware and line jumper cords might be packed beneath the DS5020 in the shipping box To remove these items from the shipping box without first removing the DS5020 open the two long sides of the shipping box Then open and fold flat the two short sides of the shipping box This enables you to access the mounting rails mounting hardware and line jumper cords without first removing the DS5020 from the shipping box After you open the DS5020 shipping container and remove the mounting rails mounting hardware and line jumper cords check the remaining contents see Inventory checklist on page 3 without removing the DS5020 from the shipping box
212. n These might include Region specific power cords required for the DS5020 5 16 8 mm hex nut driver No 2 Phillips screwdriver Antistatic protection such as a grounding wrist strap Fibre Channel FC and Ethernet interface cables and cable straps Rack power jumper cords that are shipped with the DS5020 SFP modules Rack mounting hardware that ships with the DS5020 Preparing the site This section lists the floor space requirements and weight information for the storage subsystem For information about interface cables and connections see Chapter 3 Cabling the storage subsystem on page 45 Floor space The floor area at the installation site must provide the following conditions Chapter 2 Installing the storage subsystem 31 Sufficient space to install the storage subsystem Enough stability to support the weight of the fully configured storage subsystem and associated systems See Weight on page 19 for weight specifications Make sure that all requirements such as floor space air conditioning and electrical service have been met Other site preparation activities include the following tasks To make sure that there is enough room to move around the cabinet and install modules clear space at the installation area Install uninterruptible power supply UPS devices If applicable install host servers with Fibre Channel host bus adapters HBAs Fibre Channel switches or other devices Route interfac
213. n enclosure to the same rate as the storage subsystem to which it is connected Information about supported DS4000 storage subsystems can be obtained from the certified Compatibility Matrix which can be found at the following Internet location http www 1 ibm com servers storage disk ds4000 interop matrix html Table 19 Data transfer rates for drive modules Link rate switch Storage subsystem Storage subsystem with Storage subsystem with setting with 2 GB drives 4 GB drives mixed drives 4 Gbps Drives do not come Drives work in 4 Gbps 2 GB drives do not come online mode online 4 GB drives work in 4 Gbps mode Use the following procedure to check the current setting of the data transfer rate and change it if necessary 1 Complete the power off sequence described in Turning off the storage subsystem on page 109 ensuring that the DS5020 storage subsystem is turned off before any attached storage expansion enclosures 2 Locate the link rate indicator LEDs Figure 81 shows the location of the link rate indicator lights on the back of the storage subsystem Link Rate LEDs Two on 4 Gbps One on 2 Gbps 000 o oro o 0 0 0 0 o 216 ooo Tee BR IE 000 gt JO 5 9 o ooo JO 0 0 00 o
214. nd maintenance information for these products in the IBM System Storage DSx000 Storage Subsystem Installation User s and Maintenance Guide for the particular subsystem Appendix E Additional DS5020 documentation 193 194 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Appendix F Accessibility This section provides information about alternate keyboard navigation which is a DS Storage Manager accessibility feature Accessibility features help a user who has a physical disability such as restricted mobility or limited vision to use software products successfully By using the alternate keyboard operations that are described in this section you can use keys or key combinations to perform Storage Manager tasks and initiate many menu actions that can also be done with a mouse Note In addition to the keyboard operations that are described in this section the DS Storage Manager version 9 14 10 10 and later software installation packages for Windows include a screen reader software interface To enable the screen reader select Custom Installation when using the installation wizard to install Storage Manager 9 14 10 10 or later on a Windows host management station Then in the Select Product Features window select Java Access Bridge in addition to the other required host software components Table 37 defines the keyboard operations that enable you to navigate select or activa
215. nd maintenance responsibilities DS5000 and DS4000 training is available for staff who support DS5000 and DS4000 storage configurations Although training is not a part of the Health Check process DS5000 and DS4000 training reduces the potential for configuration problems and contributes to the overall health of the system Powering on the storage subsystem This section contains instructions for turning the storage subsystem on under normal and emergency situations When you turn on and turn off the DS5020 be sure to use the startup sequence in this section If you are turning on the storage subsystem after an emergency shutdown or power outage see after an unexpected shutdown on page 112 Turning on the storage subsystem The following procedure covers two situations e The entire storage subsystem has been shut down The main circuit breakers for the cabinet are off e Some storage expansion enclosures are being powered on while others remain online The main circuit breakers for the cabinet are on You might encounter this if you are adding an additional storage expansion enclosure to increase storage capacity Attention 1 Potential damage to E DDMs Repeatedly turning the power off and on without waiting for the E DDMs to spin down can damage them Always wait at least 70 seconds from when you turn off the power until you turn it on again 2 If you are connecting a power cord to a DS5020 storage subsystem or storage e
216. nd the associated Service Action Allowed status LED is nof lit then you must perform additional diagnostics before you can remove the indicated component Use the Recovery Guru instructions in the DS Storage Manager Subsystem Management window or refer to the applicable component replacement instructions in this chapter for the additional diagnostics required in this case Copyright IBM Corp 2009 121 The Service Action Allowed status LED automatically turns on or off as conditions change Wait at least two minutes after you replace each component for the controller to recognize the new component and update the LED status In most cases when a single componert fails the Service Action Allowed status LED turns on steadily when the Needs Attention status LED is turned on for the component Replacing a controller Attention Before you replace a controller verify the following e The replacement controller part number matches the part number of the controller to be replaced To provide full functionality the two controllers must have the same cache memory capacity same number of host ports same types of host ports FC or iSCSI and same FRU part number Inserting a non compatible controller causes the controller to be placed in a lockout state by the other controller in the DS5020 chassis Note The DS5020 storage subsystem controller FRU is not compatible with the DS4200 Express or DS4700 storage subsystem controller FRU See
217. nd the storage subsystem controller to properly recognize that an E DDM is removed from the configuration d Verify that there is proper identification such as a label on the E DDM CRU and then slide it completely out of the storage subsystem 5 Unpack the new E DDM Save all packing material in case you need to return it 6 Install the new E DDM CRU by doing the following a Gently push the E DDM CRU into the empty bay until the hinge of the tray handle latches beneath the storage subsystem enclosure bezel b Push the tray handle down into the closed latched position 7 Check the E DDM LEDs by doing the following e When an E DDM is ready for use the green Activity LED lights and the amber Fault LED is off Ifthe amber Fault LED lights and is not flashing remove the E DDM from the unit and wait 70 seconds then install the E DDM again 130 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Attention After you remove an E DDM CRU wait 70 seconds before replacing or reseating the E DDM CRU to allow it to properly spin down Failure to do so might cause undesired events 8 Use the DS Storage Manager subsystem management window to verify that the E DDM is shown in the Storage Subsystem Management window Replacing multiple E DDMs This section provides guidelines for upgrading the E DDMs in the storage subsystem Read the software documentation and this entire section to det
218. ng actions e If you did remove the DS5020 CRUs before installation as described in Removing the CRUs on page 36 continue with Replacing the e If you did not remove the DS5020 CRUs before installation continue with Chapter 3 Cabling the storage subsystem on page 45 Replacing the components If you removed components from the DS5020 storage subsystem before you installed it into a rack cabinet use the following procedures to replace the components in the DS5020 after it is installed successfully in a rack cabinet Replacing a controller Complete the following steps to replace the controller that you removed before the installation Attention After you remove an controller wait 70 seconds before reseating or replacing the controller Failure to do so might cause undesired events The left and right controllers are seated in the DS5020 chassis in opposite orientations If you cannot fully insert the controller into the controller bay flip it 180 and reinsert it 1 Slide one controller into the empty slot in the storage subsystem Be sure that the lever is pulled straight out as you slide the controller in as shown in Figure 21 Removing and replacing a controller 2 As you slide the controller into the empty slot make sure the guide pins on the side of the controller fit into the notches After the guide pins fit into the notches and the controller fits snugly into the bay push the lever downward
219. ng environment AGP See accelerated graphics port AL_PA See arbitrated loop physical address arbitrated loop One of three existing fibre channel topologies in which 2 126 ports are interconnected serially in a single loop circuit Access to the Fibre Channel Arbitrated Loop FC AL is controlled by an arbitration scheme The FC AL topology supports all classes of service and guarantees in order delivery of Fibre Channel frames when the originator and responder are on the same FC AL The default topology for the disk array is arbitrated loop An arbitrated loop is sometimes referred to as a Stealth Mode arbitrated loop physical address AL_PA An 8 bit value that is used to uniquely identify an individual port within a loop A loop can have one or more AL_PAs array A collection of fibre channel or SATA hard drives that are logically grouped together All the drives in the array are assigned the same RAID level An array is sometimes referred to as a RAID set See also redundant array of independent disks RAID RAID level asynchronous write mode In remote mirroring an option that allows the primary controller to return a write I O request completion to the host server before data has been successfully written by the secondary controller See also synchronous write mode remote mirroring Global Copy Global Mirroring AT See advanced technology AT bus architecture ATA See AT attached AT attached Peripheral d
220. ng from a nonrecommended modification of the product including the fitting of non IBM option cards This product has been tested and found to comply with the limits for Class A Information Technology Equipment according to CISPR 22 European Standard EN 55022 The limits for Class A equipment were derived for commercial and industrial environments to provide reasonable protection against interference with licensed communication equipment Attention This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures European Community contact IBM Technical Regulations Pascalstr 100 Stuttgart Germany 70569 Telephone 0049 0 711 785 1176 Fax 0049 0 711 785 1283 E mail tjahn de ibm com Taiwanese Class A warning statement ie ES RAA FPH HE oe gt A PR Re PARA AE gt T fe PE RAPHE A LE RMATA RAR RIE Hd OE E E Germany Electromagnetic Compatibility Directive Deutschsprachiger EU Hinweis Hinweis f r Ger te der Klasse A EU Richtlinie zur Elektromagnetischen Vertr glichkeit Dieses Produkt entspricht den Schutzanforderungen der EU Richtlinie 2004 108 EG zur Angleichung der Rechtsvorschriften ber die elektromagnetische Vertr glichkeit in den EU Mitgliedsstaaten und h lt die Grenzwerte der EN 55022 Klasse A ein Um dieses sicherzustellen sind die Ger te wie in den Handb chern beschrieben zu installieren un
221. ngement is known as cold aisle hot aisle and is shown in Figure 11 on page e Where racks are in rows each rack must touch the rack that is next to it to reduce the amount of hot air that can flow around from the back of the rack into the intakes of the storage expansion enclosures that are in that rack Use Suite Attach Kits to completely seal any gaps that remain between the racks For details about Suite Attach Kits contact your marketing representative e Where racks are in rows front to front or back to back a gap of at least 1220 mm 48 in must separate the rows across the cold aisle e For proper airflow in each rack the rack filler plates must be installed in unused positions Also all the gaps in the front of the racks must be sealed including the gaps between the storage subsystems 24 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide T42 racks ewan A Cold aisle ab O Z T42 racks I0 O O Hot aisle AAA T42 racks Airflow back front Perforated tiles or gratings front 2440 mm between center lines of hot and cold aisle back yvy back front Figure 11 Example of cold aisle hot aisle rack configuration Chapter 1 Introduction 25 26 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Chapter 2 Installing the stora
222. nical support representative Identification numbers Copyright IBM Corp 2009 Record and retain the following information Product name IBM System Storage DS5020 Storage Subsystem 1814 20A Machine type Model number Serial number The serial number is located on the bottom inside surface at the rear and on the left edge at the front of the DS5020 163 Storage subsystem and controller information record provides a data sheet for recording storage subsystem names management types Ethernet hardware addresses and IP addresses Make a copy of this table and complete the information for your storage subsystems and controllers Use the information to set up the BOOTP table for the network server and the host or Domain Name System DNS table The information is also helpful if you add storage subsystems after initial installation Refer to your Storage Manager documentation for detailed instructions about how to obtain the information For a sample information record see Table 23 on page 165 Table 22 Storage subsystem and controller information record Storage subsystem Management Controllers Ethernet and IP Host IP address name method addresses and host name and host name 164 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Sample information record Table 23 shows a sample
223. nsible for ensuring the power distribution unit is compatible with the rack or cabinet and assumes responsibility for any and all agency certifications required 4 The rack or cabinet must be compatible with drawer mounting rails including a secure and snug fit of the rail mounting pins and screws into the rack or cabinet rail mounting holes You must use the IBM mounting rails that are shipped with the IBM product to install it in the rack The mounting rails that ship with IBM products have been designed and tested to safely support the product during operation and service activities as well as to safely support the weight of your drawer or device The rails must facilitate service access by allowing the drawer to be safely extended if necessary forwards backwards or both Note If the rack or cabinet has square holes on the mounting flanges additional hardware might be required 5 The rack or cabinet must have stabilization feet or brackets installed both in the front and rear of the rack or have another means of preventing the rack cabinet from tipping while the drawer or device is pulled into its extreme front or rear service positions Examples of some acceptable alternatives The rack or cabinet can be securely bolted to the floor ceiling or walls or to adjacent racks or cabinets in a long and heavy row of racks or cabinets 6 There must be adequate front and rear service clearances in and around the rack or cabinet The
224. ntered property value that is displayed underneath each device in the Physical and Data Path maps LAN See local area network LBA See logical block address local area network LAN A computer network located on a user s premises within a limited geographic area logical block address LBA The address of a logical block Logical block addresses are typically used in hosts I O commands The SCSI disk command protocol for example uses logical block addresses logical partition LPAR 1 A subset of a single system that contains resources processors memory and input output devices A logical partition operates as an independent system If hardware requirements are met multiple logical partitions can exist within a system 2 A fixed size portion of a logical volume A logical partition is the same size as the physical partitions in its volume group Unless the logical volume of which it is a part is mirrored each logical partition corresponds to and its contents are stored on a single physical partition 3 One to three physical partitions copies The number of logical partitions within a logical volume is variable logical unit number LUN An identifier used on a small computer system interface SCSI bus to distinguish among up to eight devices logical units with the same SCSI ID loop address The unique ID of a node in fibre channel loop topology sometimes referred to as a loop ID loop group A col
225. ntroller Use the Recovery Guru function in the DS5020 Subsystem Management window to identify and correct any additional failures If there are none proceed with step 4 to replace the controller Electrostatic discharge can damage sensitive components Touching the storage subsystem or its components without using a proper ground might damage the equipment To avoid damage use proper antistatic protection while handling any components 4 Put on antistatic protection 122 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 5 6 Unpack the new controller Save all packing materials in the event you need to return the new controller Determine whether the replacement controller will serve as controller A or controller B controller A is inserted in the left controller bay controller B is inserted in the right controller bay and then apply the controller labels for host channels drive channels and numeric display to the replacement controller The controller labels and instructions are included with the replacement controller Make sure that the labels are aligned properly and do not cover any ports or LEDs Statement 3 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following e Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There
226. o remove an E DDM that is not in a failed or bypass state always use the Storage Manager client program either to place the E DDM in a failed state or to place the array that is associated with the E DDM or E DDMs in an offline state before you remove it from the storage subsystem Attention Failure to replace the E DDMs in their correct bays might result in loss of data If you are replacing an E DDM that is part of a configured array and logical drive make sure that you install the replacement E DDM in the correct bay Check the hardware and software documentation that is provided with your DS5020 to see if there are restrictions regarding E DDM configurations Complete the following steps to replace a hot swap E DDM 1 Use the DS Storage Management client software to print a new storage system profile 2 Determine the location of the E DDM that you want to remove Attention Never hot swap an E DDM CRU when its associated green Activity LED is flashing Hot swap an E DDM CRU only when its associated amber Fault LED is lit and not flashing 3 Put on antistatic protection 4 Remove the E DDM CRU by doing the following a Release the latch on the E DDM CRU by pressing on the inside of the bottom of the tray handle as shown by the arrow in Figure 80 on page 129 b Pull the tray handle out into the open position c Pull the E DDM CRU about 1 2 inch out of the bay and wait 70 seconds to allow the E DDM to properly spin down a
227. oard level integration Also known as a chip integrated drive electronics IDE A disk drive interface based on the 16 bit IBM personal computer Industry Standard Architecture ISA in which the controller electronics reside on the drive itself eliminating the need for a separate adapter card Also known as an Advanced Technology Attachment Interface ATA Internet Protocol IP A protocol that routes data through a network or interconnected networks IP acts as an intermediary between the higher protocol layers and the physical network Internet Protocol IP address The unique 32 bit address that specifies the location of each device or workstation on the Internet For example 9 67 97 103 is an IP address interrupt request IRQ A type of input found on many processors that causes the processor to suspend normal processing temporarily and start running an interrupt handler routine Some processors have several interrupt request inputs that allow different priority interrupts IP See Internet Protocol IPL See initial program load IRQ See interrupt request ISA See ndustry Standard Architecture Java Runtime Environment JRE A subset of the Java Development Kit JDK for end users and developers who want to redistribute the Java Runtime Environment JRE The JRE consists of the Java virtual machine the Java Core Classes and supporting files JRE See Java Runtime Environment label A discovered or user e
228. ocuments Each table lists documents that are included in the libraries and what common tasks they address You can access the documents listed in these tables at both of the following Web sites www ibm com servers storage support disk www ibm com shop publications order DS Storage Manager Version 10 library Table 26 associates each document in the DS Storage Manager Version 10 library with its related common user tasks Table 26 DS Storage Manager Version 10 titles by user tasks Title User tasks Planning Hardware Software Configuration Operation and Diagnosis and installation installation administration maintenance IBM System Storage DS5020 v v v Quick Start Guide IBM System Storage DS Storage Manager Installation and Host Support Guide for Windows 2000 Server 2003 2008 NetWare VMWare ESX Server and Linux IBM System Storage DS Storage Manager Installation and Host Support v v v Guide for AIX UNIX Solaris and Linux on POWER IBM System Storage DS Storage Manager Copy v v v v Services User s Guide Copyright IBM Corp 2009 183 Table 26 DS Storage Manager Version 10 titles by user tasks continued Title User tasks Planning Hardware installation Software installation Configuration Operation and administration Diagnosis and maintenance IBM System Storage DS Storage Manager Concepts Guide IBM System Storage DS4000
229. oftware which is a Java based graphical user interface GUI that is used to configure manage and troubleshoot storage servers and storage expansion enclosures in a DS5020 storage subsystem SMclient can be used on a host system or on a storage management station SMruntime A Java compiler for the SMclient SMutil The DS Storage Manager utility software that is used on Microsoft Windows AIX HP UX Solaris and Linux on POWER host systems to register and map new logical drives to the operating system In Microsoft Windows it also contains a utility to flush the cached data of the operating system for a particular drive before creating a FlashCopy small computer system interface SCSI A standard hardware interface that enables a variety of peripheral devices to communicate with one another small form factor pluggable SFP An optical transceiver that is used to convert signals between optical fiber cables and switches An SFP is smaller than a gigabit interface converter GBIC See also gigabit interface converter SNMP See Simple Network Management Protocol and SNMPV1 SNMP trap event 1 2 An event notification sent by the SNMP agent that identifies conditions such as thresholds that exceed a predetermined value See also Simple Network Management Protocol SNMPv1 The original standard for SNMP is now referred to as SNMPv1 as opposed to SNMPv2 a revision of SNMP See also Simple Network Management Protocol
230. ogical drives use the procedure in Replacing all E DDMs at the same time on page 132 Note If your storage subsystem has hot spares assigned you might want to unassign the hot spares while you perform this procedure If you do not reconstruction might start on the hot spare before you insert the new E DDM The data on the new E DDM is still rebuilt but the process takes longer for each E DDM Remember to reassign the hot spares when you are finished with this procedure Attention After you remove an E DDM CRU wait 70 seconds before replacing or reseating the E DDM CRU to allow it to properly spin down Failure to do so might cause undesired events To replace the E DDMs one at a time perform the following steps 1 Read the following information e Replacing multiple E DDMs on page 131 particularly the paragraphs that discuss the differences between the two possible upgrade procedures e Your software documentation regarding E DDM upgrades and installation e The documentation that comes with the new E DDMs IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Read all precautionary notes kit instructions and other information Kit instructions often contain the most current information regarding the E DDMs and their installation plus upgrade or servicing procedures Compare the kit instructions with this procedure to determine if you need to modify this procedure Use t
231. oll through the list to find the Product ID for supported storage expansion enclosures 7 Select the Drives tab 8 Scroll through the list to find the drive values such as Product ID Firmware updates Attention Save the storage subsystem profile before performing any controller or ESM firmware upgrades Save the DS5020 storage subsystem profile and all configuration cfg files to a server disk that will remain accessible in the event of a DS5020 storage configuration failure Do not save these files only to a LUN in the DS5020 storage subsystem For optimal operation of the DS5020 and its attached storage expansion enclosures the storage expansion enclosure ESM firmware the DS5020 controller firmware the hard drive firmware and the NVSRAM for controllers only must be up to date Go to the following Web site to get the latest updates Chapter 4 Operating the storage subsystem 99 http www ibm com systems support storage disk Always check the readme files that are included with the firmware packages for the most up to date information about firmware prerequisites firmware update instructions and host I O restrictions if any Apply the necessary updates before configuring the storage subsystem arrays and logical drives Subscribe to My Support for automatic notifications of firmware or Storage Manager software updates or any important information about your storage subsystems see Product Attention Read the readme file th
232. omplete the following steps to connect an LC LC Fibre Channel cable to an SFP module Statement 3 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure A DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam 1 Read the information in Handling fiber optic cables on page 47 2 If necessary remove the protective cap from the SFP module as shown in Figure 26 on page 50 Save the protective cap for future use 3 Remove the two protective caps from one end of the LC LC cable as shown in Figure 31 on page 53 Save the protective caps for future use IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Fibre optic Protective cap Figure 31 Removing fiber optic cable protective caps 4 Carefully insert this end of the LC LC cable into an SFP module that is installed in the DS5020 The c
233. on page 112 Chapter 4 Operating the storage subsystem 109 110 Statement 5 AA CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source AA 2 gt gt u A CAUTION This unit has more than one power source To remove all power from the unit all MAINS must be disconnected Attention Turning off and turning on power without waiting for the storage subsystem disk drives to spin down can damage the drives and might cause data loss Always let at least 70 seconds elapse from when you turn off the power until you turn on the power again r Power off overview Review the following information before you continue with the power off procedure below Turn off the power to each device based on the following shutdown sequence 1 Turn off power to the host before the storage subsystem If the host must stay powered on to support an existing network see the operating system documentation for information about disconnecting the storage subsystem logical drives from the host before the storage subsystem is powered off 2 Turn off power to the storage subsystem before you turn off power to the storage expansion enclosures Turn off both power supply switches on the
234. onflict with the enclosure ID of one of the drive expansion enclosures that you are trying to attach to the DS5020 If this is the case the amber ID Conflict LED on the storage expansion enclosure will light after you turn on the power to the storage subsystem Give each storage expansion enclosure in a redundant drive channel pair a unique ones digit x1 ID This setting will enforce hard AL_PAs unchangeable between Fibre Channel Loop Initializations LIPs for the drives and facilitate drive loop problem troubleshooting in the event of an error If the ones digits are not unique two or more devices will have the same hard AL_PA In such a case the DS5020 controller will use soft AL_PAs for the devices that have identical hard AL_PAs The problem with soft AL_PAs addressing is that addresses might change between LIPs This possibility increases the difficulty of troubleshooting drive channel problems since one cannot easily ascertain whether the same device with a different address or different device might be causing a problem Set the enclosure IDs in a given drive channel loop pair to enforce hard AL_PAs addressing Connecting secondary interface cables 78 This section is applicable to direct out of band management configurations only If your configuration uses host agent in band management skip this section Use the Ethernet interface ports on the back of the storage subsystem to connect the controllers for direct management
235. or the Drive activity LED stays off the new E DDM might be faulty or might be an uncertified drive See the DS Storage Manager software for problem determination In the case of an uncertified drive verify that the drive options or drive FRU part number is correct for your storage subsystem 8 Use the DS Storage Manager software to monitor the status of the new E DDM and the progress of the data reconstruction Wait for data reconstruction to finish the Drive activity LED stops flashing Note The Drive activity LED will continue to flash after reconstruction is finished if there is I O activity to that E DDM In that case use the host software to determine if the data reconstruction is finished 9 When reconstruction is finished on the new E DDM repeat step 5 on page 135 through step 8 for each additional E DDM that you want to install 10 Use the DS Storage Manager software to configure the additional space on the new E DDMs Verifying the link rate setting 136 Important Make sure that the link rate for the DS5020 is always set to 4 Gbps The DS5020 supports only 4 Gbps FC drives If a link rate problem is indicated use the following procedure to verify the link rate setting A link rate switch is located on the front of the storage subsystem as shown in Figure 82 on page 138 The link rate indicator LEDs are located on the back of the storage subsystem The link rate switch is only read when the storage subsystem is
236. or upward 90 depending on whether the controller is inserted in the A or B controller bay to fully latch it into place Do not force fit The controller is designed to prevent it from being inserted into the chassis incorrectly Attention Make sure that the levers lock into place in the storage subsystem chassis 3 Repeat step i and step 2 to replace the second controller 42 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Replacing an ac power supply and fan unit Statement 5 AA CAUTION The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device The device also might have more than one power cord To remove all electrical current from the device ensure that all power cords are disconnected from the power source AA 2 gt _ gt 1 gt CAUTION Disconnect the power cord before replacing the power supply and fan unit Complete the following steps to replace the power supply and fan units that you removed before the installation 1 Slide one power supply and fan unit into the storage subsystem Be sure to replace the power supply and fan units so that the lever on each power supply and fan unit opens toward the interior of the storage subsystem as shown in Do not force fit The power supply and fan unit is designed to prevent it from being inserted into the chassis incorrectly Attention
237. orage Mgr e HBA e Tools A table displays as you click each tab 6 In the table click on the applicable link in the Current version and readmes column 7 Click the link for the readme file The most current information about DS5020 storage subsystems and DS Storage Manager including documentation and the most recent software firmware and NVSRAM downloads can be found at the following Web sites DS4000 and DS5000 Midrange Disk Systems Find the latest information about IBM System Storage disk storage systems including all of the DS4000 and DS5000 storage subsystems http www ibm com systems support storage disk IBM System Storage products Find information about all IBM System Storage products http www ibm com systems storage Support for IBM System Storage disk storage systems Find links to support pages for all IBM System Storage disk storage systems including DS4000 and DS5000 storage subsystems and expansion units http www ibm com systems support storage disk System Storage DS4000 and DS5000 interoperability matrix Find the latest information about operating system and HBA support clustering support storage area network SAN fabric support and DS Storage Manager feature support http www ibm com servers storage disk ds4000 interop matrix html Storage Area Network SAN support Find information about using SAN switches including links to user guides and other documents http www ibm com systems s
238. ork Configuration window opens 12 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 6 In the Change Network Configuration window click on the Controller A and Controller B tabs and type the new TCP IP addresses in their applicable fields Click OK 7 Close the Subsystem Management window wait at least five minutes then delete the default DS5020 storage subsystem entry in the Enterprise Management window 8 If applicable change the IP address of the Ethernet port in the management station to a value that is on the same TCP IP subnet as the controller Ethernet port IP addresses that you just assigned Exit DS Storage Manager then restart 9 Add a new storage subsystem entry in the Enterprise Management window using the new assigned IP addresses Note To manage storage subsystems through a firewall configure the firewall to open port 2463 to TCP data AC power supply and fan units The DS5020 storage subsystem has two removable ac power supply and fan units Each power supply and fan unit contains one power supply and two fans The four fans pull air through the drive from front to back across the drives The fans provide redundant cooling which means that if one of the fans in either fan housing fails the remaining fans continue to provide sufficient cooling to operate the storage subsystem The power supplies provide power to the internal components by converting incoming ac voltage
239. ost direct attached Fibre Channel SAN configurations Chapter 3 Cabling the storage subsystem 85 In Figure 57 the Fibre Channel switches are connected together via the inter switch link ISL to form a single SAN fabric Host system with two host adapters Host system with two host adapters I DERS Switch cm DS5020 Figure 57 Example of a single SAN fabric configuration In Figure 58 the Fibre Channel switches are connected together via the inter switch link ISL to form a dual SAN fabric Host system Host system with two host with two host adapters adapters IN Switch asa DS5020 Figure 58 Example of a dual SAN fabric configuration In Figure 59 on page 87 the Fibre Channel switches are not connected together Each switch forms its own SAN fabric 86 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Host system Host system with two host with two host adapters adapters Zum BE ug N I re 1 Sy 4 s Switch SL Switch N REITER MER N 4 5 gt a ra N l DS5020 DS5020 Figure 59 Example of two storage subsystems in a dual SAN environment
240. ot in a failed or bypass state always use the Storage Manager client program either to place it in a failed state or to place the array that is associated with the E DDM or E DDMs in an offline state before you remove it from the enclosure Controllers The DS5020 has two hot swappable and redundant RAID controllers The controllers are located at the back of the storage subsystem The left controller is labeled controller A and the right controller is labeled controller B One controller will continue to operate if the other controller fails The controllers contain the storage subsystem control logic interface ports and LEDs Depending on the DS5020 configuration you purchased your controllers are one of the following types e Controllers with 1 GB memory two standard 8 Gbps FC host ports and two standard 4 Gbps FC drive channel ports e Controllers with 1 GB memory two standard 8 Gbps FC host ports one optional 2 port 8 Gbps FC host card and two standard 4 Gbps FC drive channel ports e Controllers with 1 GB memory two standard 8 Gbps FC host ports one optional 2 port 1 GB iSCSI host card and two standard 4 Gbps FC drive channel ports e Controllers with 2 GB memory two standard 8 Gbps FC host ports and two standard 4 Gbps FC drive channel ports e Controllers with 2 GB memory two standard 8 Gbps FC host ports one optional 2 port 8 Gbps FC host card and two standard 4 Gbps FC drive channel ports e Controllers with 2 GB memor
241. ou cannot perform in band management with a host that has iSCSI connections to the DS5020 until it is configured Use an out of band management connection instead 1 Install the DS Storage Manager client software in the host and make sure that the SMagent software is installed and running Chapter 1 Introduction 11 2 Start the DS Storage Manager client software The Enterprise Management window opens 3 Add the DS5020 subsystem to the Enterprise Management domain using the IP address of the host that has Fibre Channel connectivity to the DS5020 4 In the Enterprise Management window click on the name of the default storage subsystem The Subsystem Management window opens 5 In the Subsystem Management window right click the Controller icon and select Change gt Network Configuration in the drop down menu The Change Network Configuration window opens 6 In the Change Network Configuration window click on the Controller A and Controller B tabs and type the new TCP IP addresses in their applicable fields Click OK 7 Close the Subsystem Management window wait at least five minutes then delete the default DS5020 storage subsystem entry in the Enterprise Management window 8 If applicable change the IP address of the Ethernet port in the management station to a value that is on the same TCP IP subnet as the controller Ethernet port IP addresses that you just assigned Exit DS Storage Manager then restart 9 Make Etherne
242. ource of errors in the drive channels For example with four enclosures attached to a DS4500 in a redundant drive loop pair the correct enclosure ID settings are x1 x2 x3 and x4 where x can be any digits that can be set Examples of incorrect settings would be 11 21 31 41 or 12 22 32 62 These examples are incorrect because the x1 digits are the same in all enclosure IDs either 1 or 2 If the enclosure IDs in your subsystem configuration are not currently set to have unique single digit x1 values for the enclosures in the same redundant drive channel loop pair make the changes to the enclosure IDs in the next maintenance schedule The EXP520 and EXP810 storage expansion enclosures do not require you to reset the power to the configuration to activate new enclosure ID settings Figure 2 on page 10 Figure 3 on page 10 and Figure 4 on page 10 show the three different DS5020 controller configurations that are available Figure 2 on page 10 shows the base DS5020 storage subsystem with two Fibre Channel host ports For more information about DS5020 controller options and other components see the Parts listing on page 160 Chapter 1 Introduction 9 Serial Ethernet Dual ported Fibre Channel port ports drive channel host channels Enclosure ID Controller A o bo lo ofo oto ee n B i PO
243. ous write mode In remote mirroring an option that requires the primary controller to wait for the acknowledgment of a write operation from the secondary controller before returning a write I O request completion to the host See also asynchronous write mode remote mirroring Metro Mirroring system name Device name assigned by the vendor s third party software TCP See Transmission Control Protocol TCP IP See Transmission Control Protocol Internet Protocol terminate and stay resident program TSR program A program that installs part of itself as an extension of DOS when it is executed topology The physical or logical arrangement of devices on a network The three fibre channel topologies are fabric arbitrated loop and point to point The default topology for the disk array is arbitrated loop TL_port See translated loop port transceiver A device that is used to transmit and receive data Transceiver is an abbreviation of transmitter receiver translated loop port TL_port A port that connects to a private loop and allows connectivity between the private loop devices and off loop devices devices not connected to that particular TL_port Transmission Control Protocol TCP A communication protocol used in the Internet and in any network that follows the Internet Engineering Task Force IETF standards for internetwork protocol TCP provides a reliable host to host protocol between hosts in packed switched co
244. ower supplies have shut down because of an overheating problem and then go to step Al Stop I O activity to the storage subsystem and all attached storage expansion enclosures Take all or some of the following measures to alleviate the overheating problem e Removing all panels from the cabinet immediately e Using external fans to cool the area e Shutting down the power to the storage expansion enclosure using the procedure described in Performing an emergency shutdown on page 112 Wait for the air temperature in and around the storage subsystem to cool After the temperature inside the power supplies cools to below 65 C 149 F the storage subsystem is capable of power up recovery without operator intervention After the air has cooled the power supplies turn on automatically If the power supplies restart automatically the controllers will reset and return to normal operation Did the power supply and fan units restart automatically e Yes Go to step o e No Go to step g Turn off the power switch on each controller in the storage subsystem power off all connected storage expansion enclosures and flip the disconnected devices to the OFF position Wait 1 minute and then turn on power to all connected storage expansion enclosures and flip the disconnected devices to the ON position A CAUTION This unit has more than one power source To remove all power from the unit all MAINS must be disconnected CAUTIO
245. page 32 Use the following templates Figure 89 on page 168 and Figure 90 on page 169 to identify the proper locations for inserting M5 screws when mounting the support rails and DS5020 to a rack The locations for the M5 screws are highlighted in the templates The DS5020 is 3 U high Align the template with the rack at a U boundary U boundaries are shown as horizontal dashed lines in the rack mounting templates Note The mounting holes that are shown in the following templates are square The holes in your rack might be round or square 167 _ DS5020 Bezel F RO N T Bezel Install second gt Front Left Rack M OU nti ng Front Righf gt Install first gt u Tem plate u lt Install first PAU a SE 2U O O Install first gt L L lt Install first TUSAR RS 2235333550 SE I 1U Rail assembly Rail assembly Install second gt u Front Left Front Right u Olsss8e nee ers OU Figure 89 Front rack mounting template 168 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide DS5020 REAR Rack Mounting 2U Rail mounting guide I I 1U Rail assembly Rail assembly Rear Left Rear right F Printed in the U S A
246. plete the power off sequence described in Turning off the storage subsystem on page 109 to make sure that the DS5020 storage subsystem is turned off before any attached storage expansion enclosures Attention The power switch on the power supply and fan unit does not turn off the electrical current supplied to the device The DS5020 storage subsystem might also have more than one connection to power To remove all electrical current from the device make sure that all power cords are disconnected from the power supply and fan unit input connectors 2 Label and remove the power cords from the power supply and fan units of the DS5020 storage subsystem 3 Label the Fibre Channel cables that are attached to the rear of the controllers Labeling the cables simplifies the re cabling process 4 Remove the Fibre Channel cables that are attached to the rear of the controllers 5 Remove both controllers To remove them do the following a Squeeze the controller latch and pull the lever open 90 so that the lever is horizontal to release the controller from the latch The controller latch is a coral colored tab on the lever Note The lever rotates upward or downward 90 depending on whether the controller you are removing is the right or left controller CRU b Slowly pull the lever away from the storage subsystem chassis to remove the controller from the controller bay as shown in Figure 16 on page 38 Remove the controllers from t
247. power on and up to 15 more minutes to complete its controller battery self test During this time the indicator lights on the front and back of the module blink intermittently Determine the status of all storage subsystems and components in the configuration by completing the following steps a Check all LEDs on each component in the storage expansion enclosures Make sure that all the LEDs show normal status For more information about LED status for storage expansion enclosures see Checking the LEDs on page 101 or the Installation User s and Maintenance Guide for your storage expansion enclosure b Check all LEDs on each component in the storage subsystem Make sure that_all the LEDs show normal status For information about LED status see Solving problems on page 153 c Open the DS Storage Manager Subsystem Management window and display the Physical View for the configuration The status for each component will be either Optimal or Needs Attention IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide d Review the status of the configuration components shown in the Subsystem Management window by selecting the applicable component button for each storage subsystem 8 Are the LEDs indicating normal operation and is the status Optimal on all the configuration components e Yes End of procedure e No Go to step p 9 Diagnose and correct the fault by completing
248. power supply and fan unit Removing and replacing a battery unit from the controller chassis Replacing an SFP module Front cage frame screw locations f Screws holding the top and bottom sides of the chassis to the cage frame i DS5020 storage subsystem parts list Front rack mounting template Rear rack mounting template Top View of non IBM Rack Specifications Dimensions Rack specifications dimensions top front view Rack specifications dimensions bottom front view IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 105 105 106 108 117 119 124 124 125 125 129 129 137 138 143 145 148 150 151 160 168 169 174 175 175 Tables 1 Where to find DS5020 and DS4000 Da installation and un Su kosii a oa a XK 2 DS5020 weights s toe 2 e a 20 3 DS5020 component weights popar me SR me Se ke a ek ee ee we Ge 20 4 DS5020 shipping carton dimensions 20 5 Temperature and humidity requirements for storage subsystem when in storage or in transit 21 6 Temperature and humidity requirements for storage subsystem in a typical Information Technology IT or office environment 2 2 2 2 a a 21 7 DS5020 altitude ranges rs ot Wh Oh che Gee gt eS ee 4 ek a ee ee See ae ae ee 8 DS5020 power and heat dissipation hoe a Ra 2 ake Oe Eio we Ye Gwe 2 Ke 22 9 Random vibration power
249. pply and fan unit CRU Note The new power supply and fan unit CRU comes with an instruction sheet and label sheet The instruction sheet provides instructions on placing the applicable labels on the power supply and fan unit CRU to mark the LEDs correctly The label sheet contains the peel off labels that you actually place on the power supply and fan unit CRU Using the information provided on the instruction sheet place the labels on the power supply and fan unit CRU to correctly mark the LEDs Turn off the power switch on the new unit Check the Fault LED to locate the failed power supply and fan unit If a fault is detected the amber Fault LED is on Verify that the Service Action Allowed LED is on Do not remove the power supply and fan unit if the LED is off For more information about the Service Action Allowed LED see Service Action Allowed Status LED on page 121 Statement 1 AA Chapter 5 Replacing components 141 142 DANGER Electrical current from power telephone and communication cables is hazardous To avoid a shock hazard e Do not connect or disconnect any cables or perform installation maintenance or reconfiguration of this product during an electrical storm Connect all power cords to a properly wired and grounded electrical outlet e Connect to properly wired outlets any equipment that will be attached to this product e When possible use one hand only to connect or disconnect s
250. r 7 1 0 1 mm N 465 0 8 mm A _ y Rack Mounting Holes Center to Center N 450 0 75 mm 4 N Rack Front Opening bes TO 12 7 mm 12 7 mm a ai 15 9 mm 15 9 mm On ne A159 A gt y gt mm 15 9 mm y 8 a 12 7 mm 12 7 mm Ay B POu ane y 15 9 mm 15 9 mm 2 FOU APO 15 9 mm 15 9 mm lt Tomy do a A 6 75 mm min 6 75 mm min A Bottom Front of Rack nonibm_botview Figure 93 Rack specifications dimensions bottom front view 2 The rack or cabinet must be capable of supporting an average load of 15 9 kg 35 Ib of product weight per EIA unit Appendix C Specifications for non IBM rack installation 175 For example a four EIA drawer will have a maximum drawer weight of 63 6 kg 140 Ib 3 AC or dc power drawers need to be support based on equipment purchased for the rack or cabinet It is strongly recommended that you use a power distribution unit that meets the same specifications as each unit already installed in the rack Each power distribution unit needs a dedicated power line Rack or cabinet power distribution device s must meet the drawer power requirements as well as that of any additional products that will be connected to the same power distribution device The rack or cabinet power receptacle power distribution unit uninterruptible power supply or multi outlet strip must have a compatible plug type for your drawer or device The customer is respo
251. r Fibre Channel ports or two Fibre Channel and two iSCSI ports per controller The DS5020 can be configured for the attachment of host servers and EXP520 and EXP810 storage expansion enclosures and up to 16 4 Gbps Fibre Channel or SATA E DDMs The base DS5020 storage subsystem controllers each have four Fibre Channel ports The DS5020 supports the attachment of up to six EXP520 and EXP810 storage expansion enclosures resulting in the capability to connect up to 112 E DDMs and enabling storage configurations of over 49 TB using 450 GB Fibre Channel E DDMs or 112 TB using 1 TB SATA E DDMs The base DS5020 storage subsystem supports up to 32 drives which includes 16 drives in the DS5020 chassis and 16 more drives in an attached storage expansion enclosure To attach more than 32 drives you much purchase the applicable feature option To attach additional drives to the DS5020 you can use EXP520 or EXP810 storage expansion enclosures You can connect EXP520 storage expansion enclosures to the DS5020 without purchasing feature options To attach an EXP810 storage expansion enclosure or enclosures to the DS5020 you must purchase the Attach EXP810 to DS5020 Activation feature option Contact your IBM marketing representative or IBM reseller for more information To connect 33 64 drives in one DS5020 and three EXP520 storage expansion enclosures you must purchase the DS5020 Drive Attach 33 64 feature option If you need to connect 65 112 drive
252. r circuits through ac power distribution units inside a rack cabinet or directly into external receptacles Similarly make sure that the right and left power supplies of the storage expansion enclosures attached to the DS5020 are plugged into the same two independent external power circuits as the DS5020 This ensures that the DS5020 and all its attached storage expansion enclosures will have power in the event that only one power circuit is available In addition having all the right or all the left power cables plug into the same power circuit enables the devices in the configuration to power on simultaneously during an unattended restoration of power Chapter 1 Introduction 5 Note Do not overload the circuits that power your storage subsystem and storage expansion enclosures Use additional pairs of ac power distribution units PDUs if necessary Refer to for information about storage subsystem power requirements Contact your IBM service representative for additional information if needed Before any planned system shutdown or after any system additions removals or modifications including firmware updates logical drive creations storage partitioning definitions hardware changes and so on complete the following tasks 1 Save the storage subsystem profile 2 Save the storage subsystem configuration Make sure that you save the files in a location other than in the logical drives that were created for the storage subsystem
253. r firmware mismatch Powering off the storage subsystem The DS5020 is designed to run continuously After you turn it on do not turn it off Turn off the power only in the following situations e Instructions in a hardware or software procedure require that you turn off the power e An IBM technical support representative instructs you to turn off the power e A power outage or emergency situation occurs see Restoring power after an unexpected shutdown on page 112 Turning off the storage subsystem Use the following procedure to turn off the power for the DS5020 Attention Except in an emergency never turn off the power if any Needs Attention LEDs are on Correct the fault before you turn off the power Use the DS Storage Manager client and the Needs Attention LEDs to check the overall status of the DS5020 All LEDs should be green on the front of the storage subsystem If they are not use the DS Storage Manager client to diagnose the problem This ensures that the DS5020 will power up correctly later The DS5020 is designed to run continuously After you turn on the DS5020 do not turn it off Turn off the power only in the following situations e Instructions in a hardware or software procedure require that you turn off the power e An IBM technical support representative instructs you to turn off the power e A power outage or emergency situation occurs see Restoring power after an unexpected shutdown
254. r users Attention After you remove an E DDM CRU wait 70 seconds before replacing or reseating the E DDM CRU to allow it to properly spin down Failure to do so might cause undesired events To replace all the E DDMs at the same time perform the following steps 1 Read the following information e The information in Replacing multiple E DDMs on page 131 particularly the paragraphs that discuss the differences between the two possible upgrade procedures e The information in your software documentation regarding E DDM upgrades and installation e The documentation that comes with the new E DDMs Read all precautionary notes kit instructions and other information Kit instructions often contain the most current information regarding the E DDMs and their installation plus upgrade or servicing procedures Compare the kit instructions with this procedure to determine if you need to modify this procedure 2 Use the DS Storage Manager software to check the status of the DS5020 Correct any problems that are reported 3 Perform a complete backup of the E DDMs that you are replacing You need the backup to restore data on the E DDMs later in this procedure Attention When you handle static sensitive devices take precautions to avoid damage from static electricity For details about handling static sensitive devices see Handing slatic sensiive devices on page 29 4 Unpack the new E DDMs 132 IBM System Storage DS5020 Stor
255. rack or cabinet must have sufficient horizontal width clearance in the front and rear to allow the drawer to be fully slid into the front and if applicable the rear service access positions typically this requires 914 4 mm 36 in clearance in both the front and rear If present front and rear doors must be able to open far enough to provide unrestrained access for service or be easily removable If doors must be removed for service it is the customer s responsibility to remove them prior to service 7 The rack or cabinet must provide adequate clearance around the rack drawer There must be adequate clearance around the drawer bezel so that it can be opened and closed according to the product specifications Front or rear doors must also maintain a minimum of 51 mm 2 in front 203 mm 8 in rear door to mounting flange clearance and 494 mm 19 4 in front 571 mm 22 5 in rear side to side clearance for drawer bezels and cables see Figure 91 on page 174 8 The rack or cabinet must provide adequate front to back ventilation For optimum ventilation it is recommended the rack or cabinet not have a front door If the rack or cabinet has doors the doors must be fully perforated so that there is proper front to back airflow to maintain the required drawer ambient 176 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide inlet temperature as specified in the server specifications The pe
256. rage subsystem It also provides maintenance procedures and troubleshooting information Who should read this document This document is intended for system operators and service technicians who have extensive knowledge of Fibre Channel and network technology How this document is organized Chapter 1 Introduction on page 1 describes the IBM System Storage DS5020 storage subsystem This chapter includes an inventory checklist and an overview of the storage subsystem features operating specifications and components Chapter 2 Installing the storage subsystem on page 27 contains information about how to install the DS5020 storage subsystem in a standard rack cabinet and setting the interface options Chapter 3 Cabling the storage subsystem on page 45 contains Fibre Channel and power cabling information for the DS5020 storage subsystem Chapter 4 Operating the storage subsystem on page 93 contains information about how to turn the power to the DS5020 storage subsystem on and off recover from an overheated power supply and fan unit troubleshoot and interpret LEDs Chapter 5 Replacing components on page 121 contains step by step instructions about how to install or remove customer replaceable units CRUs such as Enhanced Disk Drive Modules E DDMs power supply and fan units RAID controllers battery units midplane and Small Form factor Pluggable transceiver SFP modules Chapter 6
257. rail installation 34 site preparation 30 rack mounting template for DS5020 167 RAID controller cache battery 117 connecting Ethernet cable to 78 connecting host t 82 connecting RS 232 serial cable 79 RAID controllers 6 rail installation 34 readme files finding online xxiv records identification numbers 163 installed device 166 redundant drive channel pair defined 55 redundant host and drive loops 85 removal of the CRUs 36 replacing components battery unit 144 controller 122 handling static sensitive devices 121 Service Action Allowed Status LED 121 replacing CRUs ac power supply and fan unit 43 controller 42 hot swap E DDMs 44 hot swap hard disk drives 44 replacing failed ac power supply and fan unit 139 midplane 149 SFP module 146 resources Web sites xxv restoring power after planned shutdown 95 after power supply shutdown 114 restoring power after an emergency 112 RS 232 serial port 79 S safety information xiii safety static sensitive devices 29 SATA technology definition of 3 settings Fibre Channel loop and ID 45 46 storage expansion enclosure 78 SFP modules described 16 replacing 146 shock and vibrations requirements 22 shutdown emergency 112 Simple Network Management Protocol SNMP traps 11 site preparation 31 small form factor pluggable module SFP connecting an LC LC Fibre Channel cable 52 important information about 48 protective cap 49 removal 50 removing an LC LC cable 54 static protecti
258. re drives in an attached storage expansion enclosure To attach more than 32 drives you much purchase the applicable feature option To attach additional drives to the DS5020 you can use EXP520 or EXP810 storage expansion enclosures You can connect EXP520 storage expansion enclosures to the DS5020 without purchasing feature options To attach an EXP810 storage expansion enclosure or enclosures to the DS5020 you must purchase the Attach EXP810 to DS5020 Activation feature option Contact your IBM marketing representative or IBM reseller for more information To connect 33 64 drives in one DS5020 and three EXP520 storage expansion enclosures you must purchase the DS5020 Drive Attach 33 64 feature option If you need to connect 65 112 drives in a DS5020 configuration you must purchase the DS5020 Drive Attach 65 112 feature option in addition to the DS5020 Drive Attach 33 64 feature option These two feature options enable you to attach the additional drives in one DS5020 and six EXP520 storage expansion enclosures Contact your IBM marketing representative or IBM reseller for more information If the storage expansion enclosures that you want to install currently contain logical drives or configured hot spares and you want them to be a part of the DS5020 storage subsystem configuration refer to the IBM System Storage DS4000 Hard Drive and Storage Expansion Enclosure Installation and Migration Guide Improper drive migration might cause
259. red on AC power failure Check the main circuit breaker and ac outlet Power supply failure Replace the power supply Operating Cool down the environment environment is too hot Amber LED is Drive CRUs Drive identity is in No corrective action needed flashing Fault LED lit process RAID controller port bypass A Fibre Channel loop initialization process LIP is being generated in the drive loop due to a faulty component Use the Read Link Status window in the Storage Manager Client Subsystem Management window and the storage subsystem event logs to isolate the faulty component Controller drive port bypass LED The enclosure speed was set to 4 Gbps but the SFP inserted in the controller drive SFP port does not operate at 4 Gbps Use the Recovery Guru menu function in the Storage Manager Client Subsystem Management window to verify the problem and replace the SFP with a 4 Gbps SFP General Fault LED located on the front of the storage subsystem An intermittent failure in the DS5020 storage subsystem configuration The problem could be directly related to the hardware in the configuration hard drive or bad cable or indirectly related to the DS5020 storage subsystem configuration such as a Fibre Channel host bus adapter failure in the host server or the Fibre Channel switch in the SAN causing LUNs to be ona non preferred path Use the Recovery Guru menu function in
260. removal 39 hardware fault indicator LEDs 101 hardware service and support xxvi 214 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Health Check process 93 heat dissipation 21 heat output 24 host adapter connecting to RAID controller 82 host agent management method 80 hot swap drive bays 7 drive LED activity described 128 hardware 128 hot swap E DDMs installing 128 replacing 44 hot swap hard disk drives 126 installing 128 replacing 44 hub See managed hub 82 IBM Safety Information 193 IBM System Storage DS5020 battery unit 15 battery unit LEDs 103 cache memory and cache battery 116 Health Check process 93 installing the configuration 91 identification numbers 163 in band management method 80 indicator LEDs during power up 101 indicator lights power supply and fan unit Fault 13 power supply and fan unit Power 13 information record storage subsystem and controller 164 installation into arack 40 into a rack cabinet 27 preparation 29 36 installed device records 166 installing and replacing devices blank trays 126 hot swap hard disk drives 121 interconnect battery unit battery packs 117 inventory checklist 3 iSCSI loop configurations 87 iSCSI technology definition of 3 L LC LC Fibre Channel cable 51 connecting to an SFP 52 removing 54 LEDs battery unit 103 cache battery 117 controller 104 diagnostic 107 LEDs continued front bezel 102 link rate setting verifying
261. rforations should yield at least 34 percent minimum open area per square inch Appendix C Specifications for non IBM rack installation 177 178 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Appendix D Power cords For your safety IBM provides a power cord with a grounded attachment plug to use with this IBM product To avoid electrical shock always use the power cord and plug with a properly grounded outlet IBM power cords used in the United States and Canada are listed by Underwriter s Laboratories UL and certified by the Canadian Standards Association CSA For units intended to be operated at 115 volts Use a UL listed and CSA certified cord set consisting of a minimum 18 AWG Type SVT or SJT three conductor cord a maximum of 15 feet in length and a parallel blade grounding type attachment plug rated 15 amperes 125 volts For units intended to be operated at 230 volts U S use Use a UL listed and CSA certified cord set consisting of a minimum 18 AWG Type SVT or SJT three conductor cord a maximum of 15 feet in length and a tandem blade grounding type attachment plug rated 15 amperes 250 volts For units intended to be operated at 230 volts outside the U S Use a cord set with a grounding type attachment plug The cord set should have the applicable safety approvals for the country in which the equipment will be installed IBM power cords for a specific country or re
262. rnet ports to a public network or public subnet Create a private network between the storage subsystem and the management station Chapter 3 Cabling the storage subsystem 81 Two storage subsystems Host Fibre Channel Fibre Channel server Two storage subsystems Ethernet network Management station Figure 53 Direct out of band managed storage subsystems Connecting hosts to the DS5020 using Fibre Channel host ports The DS5020 supports redundant direct attached connections to up to four hosts To Make sure that you have full protection against the loss of any one Fibre Channel path from the host servers to the DS5020 storage subsystem always use redundant host connections by connecting each host to the applicable single ported host channels on both RAID controllers A and B Using the Fibre Channel switches up to 512 hosts can be redundantly attached to the DS5020 storage subsystem in a Fibre Channel SAN fabric To connect a Fibre Channel host adapter to the DS5020 RAID controllers perform the following steps 1 Install SFP modules in host ports on RAID controllers A and B Note The alignment of the single ported host channels on controller A are opposite those of controller B Before inserting an SFP module into a host port verify that the SFP module is rotated correctly to match th
263. robat Portable Document Format PDF For a list of available IBM DS4000 and DS5000 publications see Appendix E Additional DS5020 documentation on page fs If you order more than one host software kit the additional kits might also be shipped in the DS5020 shipping box Note Depending on your DS5020 configuration you might need to purchase the applicable host software kit for your host server operating system Contact your IBM representative or reseller for more information Activation kit including a storage partition kit with the number of partitions you ordered IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide IBM System Storage Quick Start Guide for the DS5020 IBM Safety Information IBM License Agreement Statement of Limited Warranty IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Box ID labels used to label the enclosure IDs on the front of the DS5020 Note If you ordered additional premium features or entitlements the premium features activation or entitlement kits might also be shipped inside the box If an item is missing or damaged contact your IBM reseller or your IBM marketing representative A rack mounting template and instructions for installing the support rails and the storage subsystem are provided in Installing the support rails on page 32 To connect your DS5020 to other device
264. rofile only to a LUN in the DS5020 storage subsystem Develop a Change Management plan Include schedules for updating subsystem firmware and server host software in the plan Note Some updates might require storage subsystem downtime Use IBM approved Fibre Channel cables for all situations Note in your configuration documentation whether any cables are not IBM approved Create and maintain a cabling diagram of the current SAN configuration Keep this diagram updated as you make configuration changes and keep the cabling diagram available for review Create and maintain a list of other components that are being used within the cabling diagram such as the host system Fibre Channel switches and other SAN attachments 94 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide e Make sure that all ESMs are properly seated e Make sure that all drives are properly seated e Make sure that all SFP modules are properly seated e Confirm Fibre Channel cable loop size Although IBM specifications require at least 3 inch cable loops use 6 inch cable loops or longer e Make sure that you have proper Fibre Channel cable management e Make sure there is proper air flow and temperature for all components in your storage configuration Note You can find details on many of these inspection and maintenance responsibilities in the applicable sections of this document In addition to these inspection a
265. roring This term is used to refer to a remote logical drive mirror pair which is set up with synchronous write mode See also remote mirroring Global Mirroring MIB See management information base micro channel architecture MCA Hardware that is used for PS 2 Model 50 computers and above to provide better growth potential and performance characteristics when compared with the original personal computer design Microsoft Cluster Server MSCS MSCS a feature of Windows NT Server Enterprise Edition supports the connection of two servers into a cluster for higher availability and easier manageability MSCS can automatically detect and recover from server or application failures It can also be used to balance server workload and provide for planned maintenance mini hub An interface card or port device that receives short wave fiber channel GBICs or SFPs These devices enable redundant Fibre Channel connections from the host computers either directly or through a Fibre Channel switch or managed hub over optical fiber cables to the DS5020 Storage Server controllers Each DS5020 controller is responsible for two mini hubs Each mini hub has two ports Four host ports two on each controller provide a cluster solution without use of a switch Two host side mini hubs are shipped as standard See also host port gigabit interface converter GBIC small form factor pluggable SFP mirroring A fault tolerance technique in which
266. rviceable parts inside the device Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure A DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Handling fiber optic cables Attention To avoid damage to your fiber optic cables follow these guidelines For devices on slide rails leave enough slack in the cables so they do not bend to a diameter of less than 76 mm 3 in or a radius less than 38 mm 1 5 in when extended or become pinched when retracted Do not overtighten the cable straps or bend the cables to a diameter of less than 76 mm 3 in or a radius less than 38 mm 1 5 in When storing excess or unused fiber optic cables do not bend the cables to a diameter of less than 76 mm 3 in or a radius less than 38 mm 1 5 in or wrap them around themselves See Figure 25 on page 48 Make sure you have a minimum loop diameter of 76 mm 3 in and a minimum bend radius of 38 mm 1 5 in for fiber optic cables Loops or bends smaller than these minimums might cause damage to your fiber optic cables Use loop diameters and bend radii that are greater than these minimums Do not route the cable along a folding cable management arm
267. s This LED indicates the drive port bypass status of one of the two FC ports that comprise a drive channel The other drive channel port has its own Drive Channel Port Bypass LED Drive Channel Speed L1 See Table 16 Drive Channel Speed L2 See Table 16 The L1 and L2 LEDs for each Fibre Channel host and drive channel combine to indicate the status and the operating speed of each host and drive channel Table 16 Host and drive channel LED definitions L1 L2 Definition Off Off When both LEDs for a host or drive channel are off this indicates one or more of the following conditions e The host or drive channel ports are bad or the SFPs are faulty An SFP module is inserted with no Fibre Channel cable attached Note If the SFP is inserted in a drive port with no Fibre Channel attached the associated drive port bypassed LED will also be lit In addition the L1 and L2 LEDs will be unlit e No SFP module is inserted in one or both of the host or drive ports in the channel On Off The host is operating at 2 Gbps The drive channel is operating at 1 Gbps Note This pattern is not applicable in the drive port because the DS5020 does not support 1 Gbps Fibre Channel speed Off On The host is operating at 4 Gbps The drive channel is operating at 2 Gbps On On The host is operating at 8 Gbps The drive channel is operating at 4 Gbps Seven segment numeric display LEDs The numeric d
268. s use the following options IBM SFP module preinstalled IBM LC LC Fibre Channel cable Note You must order these options separately Product updates and support notifications Be sure to download the latest versions of the DS Storage Manager host software DS5020 storage subsystem controller firmware storage expansion enclosure ESM firmware and drive firmware at the time of the initial installation and when product updates become available Important Keep your system up to date with the latest firmware and other product updates by subscribing to receive support notifications For more information about support notifications or the My Support feature including instructions on how to register see the following IBM Support Web page http www ibm com systems support storage subscribe moreinfo html You can also check the Stay Informed section of the IBM Disk Support Web site http www ibm com servers storage support disk index html Best practices guidelines To achieve optimal system operation always follow these best practices guidelines Make sure that your system is in an optimal state before you shut it down Never turn the power off if any Needs Attention LED is lit be sure to resolve any error conditions before you shut down the system Back up the data on your storage drives periodically To maintain power redundancy plug the DS5020 right and left power supply and fan units into two independent external powe
269. s in a DS5020 configuration you must purchase the DS5020 Drive Attach 65 112 feature option in addition to the DS5020 Drive Attach 33 64 feature option These two feature options enable you to attach the additional drives in one DS5020 and six EXP520 storage expansion enclosures Contact your IBM marketing representative or IBM reseller for more information The DS5020 supports configurations of FC disks with or without Full Disk Encryption FDE or SATA disks or a mix of disk drives To install FDE disks in a DS5020 you must purchase the Full Disk Encryption option Advanced DS5020 storage management copy service options and optional advanced disaster recovery functions are available for the DS5020 including FlashCopy VolumeCopy and Enhanced Remote Mirroring The DS5020 supports up to four hosts in a redundant direct attached Fibre Channel configuration When using Fibre Channel or Ethernet switches you can redundantly connect up to 512 hosts to the DS5020 FC and iSCSI host ports You can order up to 128 storage partitions for the DS5020 The DS5020 storage subsystem has ac power and fan units The DS Storage Manager client is also available for the DS5020 This storage management software is designed to help centralize storage management help simplify partitioning of the DS5020 storage subsystem and strategically allocate storage capacity to maximize storage space Base DS5020 features The base DS5020 storage subsystem is
270. s to the right Up arrow Move keyboard focus up one item in the list IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Notices Trademarks This information was developed for products and services offered in the U S A IBM may not offer the products services or features discussed in this document in other countries Consult your local IBM representative for information on the products and services currently available in your area Any reference to an IBM product program or service is not intended to state or imply that only that IBM product program or service may be used Any functionally equivalent product program or service that does not infringe any IBM intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any non IBM product program or service IBM may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to IBM Director of Licensing IBM Corporation North Castle Drive Armonk NY 10504 1785 U S A INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FO
271. sense request command Glossary 209 serial ATA The standard for a high speed alternative to small computer system interface SCSI hard drives The SATA 1 standard is equivalent in performance to a 10 000 RPM SCSI drive serial storage architecture SSA An interface specification from IBM in which devices are arranged in a ring topology SSA which is compatible with small computer system interface SCSI devices allows full duplex packet multiplexed serial data transfers at rates of 20 Mbps in each direction server A functional hardware and software unit that delivers shared resources to workstation client units on a computer network server device events Events that occur on the server or a designated device that meet criteria that the user sets SFP See small form factor pluggable Simple Network Management Protocol SNMP In the Internet suite of protocols a network management protocol that is used to monitor routers and attached networks SNMP is an application layer protocol Information on devices managed is defined and stored in the application s Management Information Base MIB SL_port See segmented loop port SMagent The DS Storage Manager optional Java based host agent software which can be used on Microsoft Windows Novell NetWare AIX HP UX Solaris and Linux on POWER host systems to manage storage subsystems through the host fibre channel connection SMclient The DS Storage Manager client s
272. sk if the drive is unassigned Only the DS Storage Manager client can identify the risk level and provide the necessary recovery procedures Note For PFA flags the General system error LED and Drive Needs Attention LEDs do not turn on so checking the LEDs will not notify you of the failure even if the risk of data loss is high Recovering from a storage server failure might require you to perform procedures other than replacing the component such as backing up the logical drive The DS Storage Manager client gives these procedures Attention Not following the software recovery procedures can result in data loss In addition always replace a failing component as soon as possible to minimize additional failures that might occur causing loss of data access Finding controller storage expansion enclosure and drive information You can view a Storage Subsystem Profile to find controller enclosure and drive information for the storage subsystem and attached storage expansion enclosures To view a Storage System Profile perform the following steps 1 Open the Storage Subsystem Management window from the DS Storage Manager Enterprise Management window 2 Select Storage Subsystem gt View gt Profile A Storage Subsystem Profile window opens 3 Select the Controllers tab 4 Scroll through the list to find Board ID Submodel ID Product ID and Product revision for the storage subsystem 5 Select the Enclosures tab 6 Scr
273. spectral density 2 ee ee ee 22 10 DS5020 sound levels 2 2 1 wee nn 22 11 DS5020 ac power requirements non non nn DB 12 Power supply and fan unit LEDs rn 102 13 Front LEDs and controls o a a a non on 1083 14 Battery unit LEDs eo a Se oa ea aas ae y NOA 15 Rear controller LEDs controls and connectors E E ph os Ge See Oe ee es int op ee OD 16 Host and drive channel LED definitions ee eee 107 17 Numeric display diagnostic codes nn nn ee 108 18 Drive LED activity eR ee we ee OR eel Be wee et we 2 128 19 Data transfer rates for drive modules hOB we as o SF 20 Symptom to FRU index sok Rh Jes we ew Boe ee ee ee 2 DA 21 Parts listing DS5020 storage subsystem PEER 26 amp oe amp eo 2 aa ate e WOT 22 Storage subsystem and controller information record Boe Boe oe we a Mw ts a oe oe 104 23 Sample information record 2 non on nenne 165 24 Hard disk drive record s s soa s a o a a a aa nn 166 25 IBM power cords eo Ree eo Sow Boe ew dR ae ae amp a g 26 DS Storage Manager Version 10 titles by user tasks eo ee oe ee ce a ee IO 27 DS5020 storage subsystem document titles by user tasks 2 184 28 DS4800 storage subsystem document titles by user tasks 2 185 29 DS4700 storage subsystem document titles by user tasks 186 30 DS4500 storage subsystem document ti
274. sses for DS5020 controllers AC power supply and fan units Be gop Battery units poii SFP modules a Software and hardware compatibility and upgrades Software and firmware support code upgrades Determining firmware levels i Specifications Area requirements Dimensions Weight Shipping dimensions Environmental requirements and specifications Temperature and humidity Altitude Airflow and heat dissipation Shock and vibration requirements Acoustic noise Electrical requirements Copyright IBM Corp 2009 Xi xiii X X X X Xix XX XX V XXIV XX V XX V XXV Xxvi Xxvi XXxvii OOANDOAAWBWWWWON iv Power and site wiring requirements Heat output airflow and cooling Chapter 2 Installing the storage subsystem Installation overview Euer bea ee al ce Handling static sensitive devices Preparing for installation Tools and hardware required Preparing the site Preparing the rack cabinet Installing the support rails Installing the DS5020 Removing the CRUs Removing a controller i Removing an ac power en and fan unit Removing an E DDM Installing the DS5020 into a rack on the support rails Replacing the components fs 2 WS Replacing a controller Replacing an ac power supply and fan unit Replacing an E DDM Chapter 3 Cabling the storage subsystem Enclosure ID settings oo tag Fibre Channel loop and ID settings eo Working with SFPs and f
275. st be set to 4 Gbps The DS5020 supports only 4 Gbps FC speed in the drive channel See EVerifying the link fate setting on page 13dor more information The Link Rate switch on the DS5020 storage subsystem and the storage expansion enclosures connected to it must have the same setting There are no serviceable parts in an E DDM CRU If it fails it must be replaced in its entirety E DDM ATA translator card bezel and tray The DS5020 drive tray is not interchangeable with the drive tray of other DS4000 storage subsystems such as DS4100 or DS4300 storage subsystems The DS5020 E DDM option CRUs are not interchangeable with those of the DS4200 Express and EXP420 When replacing an E DDM CRU be sure to order and install the correct E DDM CRU Chapter 1 Introduction 7 Using non supported E DDM options or FRUs will result in the E DDM being locked out by the DS5020 controller firmware and might also damage the drive connector in the enclosure midplane Attention 1 After you remove an E DDM CRU wait 70 seconds before replacing or reseating the E DDM CRU to allow it to properly spin down Failure to do so might cause undesired events 2 Never hot swap an E DDM CRU when its associated green Activity LED is flashing Hot swap an E DDM CRU only when its associated amber Fault LED lights is not flashing or when the E DDM is inactive and its associated green Activity LED lights is not flashing Note If the E DDM you want to remove is n
276. steps 1 Remove the SFP module from its static protective package 2 Remove the protective cap from the SFP module as shown in Figure 26 on page 50 Save the protective cap for future use Chapter 3 Cabling the storage subsystem 49 Plastic tab Protective cap zu SFP module Figure 26 SFP module and protective cap 3 Remove the protective cap from the SFP port Save the protective cap for future use 4 Insert the SFP module into the host port until it clicks into place See Figure 27 Plastic tab Protective cap os SFP module Figure 27 Installing an SFP module into the host port 5 Connect an LC LC Fibre Channel cable For information about the LC LC cable see Using LC LC Fibre Channel cables on page 51 Removing SFP modules Complete the following steps to remove the SFP module from the host port Attention To avoid damage to the cable or to the SFP module make sure that you unplug the LC LC Fibre Channel cable before you remove the SFP module 1 Remove the LC LC Fibre Channel cable from the SFP module For more information see Removing an LC LC Fibre Channel cable on page 54 2 Unlock the SFP module latch e For SFP modules that contain plastic tabs unlock the SFP module latch by pulling the plastic tab outward 10 as shown in Figure 28 on page 51 50 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Plastic tab Protective
277. subsystem Figure 6 Power supply and fan unit and airflow Battery units Statement 2 A 14 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide CAUTION When replacing the lithium battery use only an equivalent type battery recommended by the manufacturer If your system has a module containing a lithium battery replace it only with the same module type made by the same manufacturer The battery contains lithium and can explode if not properly used handled or disposed of Do not e Throw or immerse into water e Heat to more than 100 C 212 F e Repair or disassemble Dispose of the battery as required by local ordinances or regulations Each controller also contains a rechargeable battery unit that is used in the event of a power failure shows how the battery unit slides into the battery backup slot in controller A Controller A backup battery unit Controller B backup battery unit Figure 7 Backup battery unit The backup battery unit provides power to back up the cache memory of each controller onto flash drives in the event of a power failure Each battery unit contains a sealed rechargeable SMART lithium ion battery The battery unit contains enough charge to back up the cached data in each controller to a flash drive in the event of a power failure When the unit is powered on the first time or whenever the battery is replaced the battery chargers will ch
278. subsystem Up to sixteen 4 Gbps Fibre Channel or SATA Enhanced Disk Drive Modules E DDMs Two RAID controllers Two ac power supply and fan units Two battery units SFP modules The hot swap features enable you to remove and replace 4 Gbps Fibre Channel or SATA E DDMs power supply and fan units and controllers without turning off the storage subsystem You can maintain the availability of your system while a hot swap device is removed installed or replaced 6 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Enhanced Disk Drive Modules E DDMs The hot swap drive bays that are accessible from the front of your storage subsystem are shown in Hot swap drive bays D 3 C gt HEE e KKR C Figure 1 DS5020 hot swap drive bays The DS5020 supports both Fibre Channel FC and SATA E DDMs intermixed in the storage subsystem drive chassis The DS5020 supports up to sixteen 4 Gbps FC
279. supply and fan unit into the empty slot make sure the guide pins on the side of the power supply and fan unit fit into the notches After the guide pins fit into the notches and power supply and fan unit fits snugly into the slot push the lever downward or upward 90 to fully latch the power supply and fan unit into place depending on whether you are inserting the power supply and fan unit into the right or left power supply and fan unit bay Then gently push the front of the power supply and fan unit to make sure that it is fully seated IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 13 14 Attention The left and right power supply and fan units are seated in the DS5020 chassis in opposite orientations If you cannot fully insert the power supply and fan unit into the power supply and fan unit bay flip it 180 and reinsert it Make sure that the levers lock into place in the storage subsystem chassis Do not force fit The power supply and fan unit is designed to prevent it from being inserted into the chassis incorrectly Plug in the power cord and turn on the power Check the Power and Fault LEDs on the new unit Figure 83 Replacing a power supply and fan unit 15 16 17 18 19 Based on the status of the Power and Fault LEDs choose one of the following steps e Fault LED is on and ac and power LED are off The new unit might be installed incorrectly The power supply
280. system software and firmware are the correct versions To find the latest DS Storage Manager software storage subsystem controller firmware ESM and NVSRAM firmware check the firmware readme files See Finding DS5020 and DS4000 family readme files on page xxiv to learn how to access the readme files on the Web See the IBM System Storage DS Storage Manager Installation and Host Support Guide for your operating system for instructions that describe how to install the DS5020 controller firmware and Storage Manager host software Note For the latest information about supported servers and operating systems refer to the interoperability matrix at this Web site http www 1 ibm com servers storage disk ds4000 interop matrix html Determining firmware levels 18 There are two different methods to determine the DS5020 storage subsystem and firmware versions Each method uses the DS Storage Manager client that manages the DS5020 storage subsystem Method One Go to the Subsystem Management window and select View gt Storage Subsystem Profile When the Storage Subsystem Profile window opens select the All tab and scroll through the Profile For Storage Subsystem list to locate the following information Note The Profile For Storage Subsystem list contains all the profile information for the entire subsystem Therefore it might be necessary to scroll through a large amount of information to locate the firmware version numbers
281. t Through the IBM Support Line for a fee you can get telephone assistance with usage configuration and software problems For information about which products are supported by Support Line in your country or region go to the following Web site http www ibm com services sl products For more information about the IBM Support Line and other IBM services go to the following Web sites e http www ibm com services e http www ibm com planetwide Hardware service and support You can receive hardware service through IBM Integrated Technology Services or through your IBM reseller if your reseller is authorized by IBM to provide warranty service Go to the following Web site for support telephone numbers http www ibm com planetwide In the U S and Canada hardware service and support is available 24 hours a day 7 days a week In the U K these services are available Monday through Friday from 9 a m to 6 p m XXVi IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Fire suppression systems A fire suppression system is the responsibility of the customer The customer s own insurance underwriter local fire marshal or a local building inspector or both should be consulted in selecting a fire suppression system that provides the correct level of coverage and protection IBM designs and manufactures equipment to internal and external standards that require certain environments for r
282. t The battery unit is designed to prevent it from being inserted into the chassis incorrectly Note The green Battery Charging LED flashes until the battery is fully charged 9 Once the battery is charged to the optimal state from the reduced charge shipping state the battery performs a learn cycle to access the discharge time of the battery Do not turn off the power to the storage subsystem for at least 24 hours to ensure that the battery finishes charging and completes the first learn cycle Replacing an SFP module Statement 3 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure A 146 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide DANGER Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Class 1 Laser statement Class 1 Laser Product Laser Klasse 1 Laser Klass 1 Luokan 1 Laserlaite
283. t refers to the method used to achieve redundancy and fault tolerance in the array See also array redundant array of independent disks RAID RAID set See array RAM See random access memory random access memory RAM A temporary storage location in which the central processing unit CPU stores and executes its processes Contrast with DASD RDAC See redundant disk array controller read only memory ROM Memory in which stored data cannot be changed by the user except under special conditions recoverable virtual shared disk RVSD A virtual shared disk on a server node configured to provide continuous access to data and file systems in a cluster redundant array of independent disks RAID A collection of disk drives array that appears as a single volume to the server which is fault tolerant through an assigned method of data striping mirroring or parity checking Each array is assigned a RAID level which is a specific number that refers to the method used to achieve redundancy and fault tolerance See also array parity check mirroring RAID level striping redundant disk array controller RDAC 1 In hardware a redundant set of controllers either active passive or active active 2 In software a layer that manages the input output I O through the active controller during normal operation and transparently reroutes I Os to the other controller in the redundant set if a controller or I O path fails
284. t be clearly visible safety labels for Multiple Power Source in the languages required for the country in which the product is installed 9 If the rack or cabinet or any products installed in the cabinet had safety or weight labels applied by the manufacturer they must be intact and translated into the languages required for the country in which the product is installed 10 The rack or cabinet configuration must comply with all IBM requirements for safe to service contact your IBM Installation Planning Representative for assistance in determining if the environment is safe 172 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide There must be no unique maintenance procedures or tools required for service 11 Elevated service installations where the product s to be serviced are installed between 1 5 m and 3 7 m 5 ft and 12 ft above the floor require the availability of an OSHA and CSA approved nonconductive step ladder If a ladder is required for service the customer must supply the OSHA and CSA approved nonconductive step ladder unless other arrangements have been made with the local IBM Service Branch Office Products installed over 2 9 m 9 ft above the floor requires a Special Bid to be completed before they can be serviced by IBM service personnel For products not intended for rack mounting to be serviced by IBM the products and parts that will be replaced as part of
285. t cabling to the controller management ports Add a new storage subsystem entry in the Enterprise Management window using the new assigned IP addresses For a management station that is connected by an Ethernet cable to the storage subsystem controllers Complete the following steps to assign static TCP IP addresses to the DS5020 storage subsystem controllers using default TCP IP addresses that are assigned to the DS5020 storage subsystem controllers during manufacturing 1 Make a direct management connection to the DS5020 storage subsystem using the default TCP IP addresses e Controller A 192 168 128 101 e Controller B 192 168 128 102 e Subnet Mask 255 255 255 0 Note For a storage subsystem that has two Ethernet ports per controller such as the DS4200 DS4700 and DS4800 use the Ethernet port that is labeled 1 The default IP addresses of the second Ethernet port are e Controller A 192 168 129 101 e Controller B 192 168 129 102 e Subnet mask 255 255 255 0 2 Start the DS Storage Manager client software The Enterprise Management window opens 3 Add the DS5020 subsystem to the Enterprise Management domain using the default IP addresses 4 Inthe Enterprise Management window click on the name of the default storage subsystem The Subsystem Management window opens 5 In the Subsystem Management window right click the controller icon and select Change gt Network Configuration in the pull down menu The Change Netw
286. t swap E DDMs Installing hot swap E DDMs Replacing hot swap E DDMs Replacing multiple E DDMs Replacing all E DDMs at the same time Replacing the E DDMs one atatime Verifying the link rate setting Replacing an ac power supply and fan unit Replacing a battery unit er Replacing an SFP module Replacing a midplane Chapter 6 Hardware maintenance General checkout Solving problems 112 112 114 116 116 117 121 121 121 122 126 128 130 131 132 134 136 139 144 146 149 153 153 153 Contents V vi Parts listing Appendix A Records Identification numbers Storage subsystem and controller information record Sample information record Installed device records Appendix B Rack mounting templates Appendix C Specifications for non IBM rack installation General safety requirements for IBM products installed in a non IBM rack or cabinet Rack specifications Appendix D Power cords Appendix E Additional DS5020 documentation DS Storage Manager Version 10 library DS5020 storage subsystem library DS4800 storage subsystem library DS4700 storage subsystem library DS4500 storage subsystem library DS4400 storage subsystem library DS4300 storage subsystem library DS4200 Express storage subsystem library DS4100 Storage subsystem library DS5000 and DS4000 storage expansion enclosure documents Ot
287. t window Select the component button for each storage expansion enclosure in this storage subsystem and view the status of each of the components The status for each component is either Optimal or Needs Attention Does any component have a Needs Attention status e Yes Go to step f4 e No All components are Optimal Go to step 6 on page 101 Select the Recovery Guru toolbar button Perform the procedure in the Recovery Guru to correct the problem The Recovery Guru might direct you to replace the failed component If so go to step Attention If the fault requires you to power off an attached storage expansion enclosure you might need to reset the power to the DS5020 storage subsystem and all remaining storage expansion enclosures in the storage subsystem Contact IBM Customer and Technical Support before powering off any attached storage expansion enclosures 5 If applicable mute the alarm N w gt 100 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 6 Check the indicator LEDs on the front and the back of the storage expansion enclosure A green LED denotes a normal status an amber LED denotes a hardware fault 7 Is an amber LED on e Yes Locate and troubleshoot the failed components See Checking the LEDs e No You are finished with this procedure If you are still experiencing a problem with this storage subsystem create save and print a storage subsyste
288. te user interface components The following terms are used in the table e Navigate means to move the input focus from one user interface component to another e Select means to choose one or more components typically for a subsequent action e Activate means to carry out the action of a particular component Note In general navigation between components requires the following keys e Tab Moves keyboard focus to the next component or to the first member of the next group of components Shift Tab Moves keyboard focus to the previous component or to the first component in the previous group of components Arrow keys Move keyboard focus within the individual components of a group of components Table 37 DS Storage Manager alternate keyboard operations Short cut Action Fi Open the Help F10 Move keyboard focus to main menu bar and post first menu use the arrow keys to navigate through the available options Alt F4 Close the management window Alt F6 Move keyboard focus between dialogs non modal and between management windows Copyright IBM Corp 2009 195 Table 37 DS Storage Manager alternate keyboard operations continued Short cut Action Alt underlined letter Access menu items buttons and other interface components by using the keys associated with the underlined letters For the menu options select the Alt underlined letter combination to access a main menu
289. ted Arab Emirates Dubai United Kingdom Yemen Zambia Zimbabwe 39Y7920 9827 Power Cord 250v Israel 10A 2 8m 39Y7919 9828 Power Cord 250v Liechtenstein Switzerland 10A 2 8m 39Y7922 9829 Power Cord 250v Bangladesh Lesotho Maceo 10A 2 8m Maldives Namibia Nepal Pakistan Samoa South Africa Sri Lanka Swaziland Uganda 39Y7925 9845 Power Cord 250v Korea Democratic Peoples 12A 2 8m Republic of 39Y7921 9830 Power Cord 250v Chile Italy Libyan Arab Jamahiriya 10A 2 8m 39M7924 9831 Power Cord 250v Australia Fiji Kiribati Nauru New 10A 2 8m Zealand Papua New Guinea 39Y7930 9834 Power Cord 250v Argentina Paraguay Uruguay 10A 2 8m 39Y7928 9840 Power Cord 250v China 10A 2 8m 39M2830 9841 Power Cord 1 8m Taiwan long 39Y7929 9842 Power Cord 125v Brazil 10A 2 8m 39Y7927 9843 Power Cord 250v India 10A 2 8m 39Y7926 9844 Power Cord 125v Japan 10A 4 3m N A 9986 Power Cord 125v 10A 1 8m US Chicago Appendix D Power cords 181 182 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Appendix E Additional DS5020 documentation For educational information about the DS5020 and other IBM System Storage products go tojhttp ibmdsseriestraining com The following tables present an overview of the IBM System Storage DS Storage Manager storage subsystem and storage expansion enclosure product libraries as well as other related d
290. ter or structural damage Doing so might cause severe electrical shock 1 After the emergency situation is over or power is restored visually check the storage subsystem for damage Is there evidence of damage to any of the storage subsystem components cables or equipment attached to the storage subsystem e Yes Do not continue with this procedure Contact your IBM service representative for assistance Depending on the current service agreements you might need to return the equipment to the factory or local service center for repair e No Goto step 2 Potential data loss Before resetting circuit breakers in the cabinet make sure that the storage subsystem and storage expansion enclosures power switches are turned off Resetting circuit breakers after an emergency situation while the storage subsystem and storage expansion enclosure power switches are turned on can cause potential data loss because the configuration components might not be powered on in the correct sequence 2 After you check the storage subsystem for damage make sure that the power switches are in the off position then plug in the DS5020 power cables if required 3 Check the system documentation of the hardware devices that you want to turn on and determine the proper startup sequence Note Be sure to turn on all of the storage expansion enclosures and verify that there are not any ESM or power supply and fan unit fault LEDs lit before you turn on the DS
291. the Subsystem Management window by selecting the applicable component button for each storage subsystem The status for each component will be either Optimal or Needs Attention Are the LEDs indicating normal operation and is the status Optimal on all configuration components e Yes Go to step e e No Go to step 5 To diagnose and correct the fault complete the following steps a Run the Recovery Guru by selecting the Recovery Guru toolbar button in the Subsystem Management window b Complete the recovery procedure If the Recovery Guru directs you to replace a failed component use the individual LEDs to locate the failed component c When the recovery procedure is completed select Recheck in the Recovery Guru This action reruns the Recovery Guru to make sure that the problem has been fixed d If the problem has not been fixed contact your IBM service representative Do not turn off power until all problems are corrected Check the Cache Active LED and verify that it is off If the Cache Active LED is on steady the cache contains data Wait for the data to clear from cache memory before turning off the power Check the LEDs on the storage expansion enclosures to verify that all Drive Active LEDs are on steady not blinking If one or more LEDs are blinking data is being written to or from the drives Wait for all Active LEDs to stop blinking Turn off the power switch on the back of each controller in the stor
292. the Storage Manager Client Subsystem Management window to diagnose the problem IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 20 Symptom to FRU index continued Problem indicator One or more green LEDs are off Component Power supply CRUs Possible cause Power cable is unplugged or switches are turned off Possible solutions Make sure that the power cable is plugged in and that the switches are turned on All drive CRUs Midplane failure Replace the midplane Contact an IBM technical support representative Several CRUs Hardware failure Replace the affected CRUs If this does not correct the problem replace the RAID controllers followed by the midplane Contact an IBM technical support representative Front panel Power supply problem Make sure that the power cables are plugged in and that the power supplies are turned on Hardware failure If any other LEDs are lit replace the midplane Contact an IBM technical support representative Chapter 6 Hardware maintenance 157 Table 20 Symptom to FRU index continued Problem indicator Intermittent or sporadic power loss to the storage subsystem Component Some or all CRUs Possible cause Defective ac power source or improperly connected power cable Possible solutions Check the ac power source Reseat all installed power
293. the following Web site http www ibm com systems support storage disk Attach fiber optic interface cables to each host adapter You will connect the other end of the cables to the controller later in the installation process For more information about handling fiber optic cables see Handling fiber optic cables on Cabling the ac power supply Complete the following steps to connect the ac power supply cable 1 Using the supplied strap tie the power supply cord to the rail to provide strain relief for the power cord 2 Connect the power cable to the power supply 3 Plug the supplied power cable into a properly grounded electrical outlet For maximum protection against power loss connect each of the two power supplies to a different power source 4 Continue with Powering on the storage subsystem on page 95 for the initial startup of the storage subsystem Chapter 3 Cabling the storage subsystem 91 92 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Chapter 4 Operating the storage subsystem This chapter describes operating procedures for the DS5020 For information about the optimal operation of your system see Best practices guidelines on page 5 Performing the DS5020 Health Check process The DS5020 Health Check process is a sequence of suggested actions developed by IBM to help users verify and maintain the optimal performance of their DS5020 s
294. the power cord before removing the power supply and fan unit Complete the following steps to remove a power supply and fan unit 1 Squeeze the latch and pull the lever open 90 so that the lever is horizontal to release the power supply and fan unit from the latch The latch is a coral colored tab on the lever 2 Slowly pull the lever away from the chassis to remove the power supply and fan unit as shown in Figure 17 on page 39 Note The lever rotates upward or downward 90 depending on whether the power supply and fan unit you are removing is in the left or right power supply and fan unit bay IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Figure 17 Removing a power supply and fan unit 3 Place the power supply and fan unit on a level surface 4 Repeat step 1 through step 3 for the second power supply and fan unit Removing an E DDM Complete the following steps to remove a hot swap E DDM Note The E DDM comes installed in a drive tray Do not attempt to detach the E DDM from the tray 1 Use Table 24 on page 166 to record the location and identify your E DDMs You must record this information to be able to replace the E DDMs in their original order before they were removed 2 Release the latch on the E DDM CRU by pressing on the inside of the bottom of the tray handle 3 Lift the closed latch to its open position The latch is at a 90 angle to the front of the E DDM wh
295. tles by user tasks 187 31 DS4400 storage subsystem document titles by user tasks 2 188 32 DS4300 storage subsystem document titles by user tasks Se gibe Al He teks om et eT oe eee OD 33 DS4200 Express storage subsystem document titles by user tasks Roe oo a eae a a amp 190 34 DS4100 storage subsystem document titles by user tasks Sa ee a a 191 35 DS5000 and DS4000 storage expansion enclosure document titles by user tasks poe gs a a a 192 36 DS5000 and DS4000 related document titles by user tasks 2 2 2 2m nn nn 198 37 DS Storage Manager alternate keyboard operations 2 2 2 2 nn nn nn 195 38 Limits for particulates and gases a ee ee 199 Copyright IBM Corp 2009 xi Xii IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Safety The caution and danger statements that this document contains can be referenced in the multilingual BM Safety Information document that is provided with your IBM System Storage DS5020 Storage Subsystem Each caution and danger statement is numbered for easy reference to the corresponding statements in the translated document e Danger These statements indicate situations that can be potentially lethal or extremely hazardous to you A danger statement is placed just before the description of a potentially lethal or extremely hazardous procedure step or situation e Caution
296. torage configurations The information that you collect in these steps also helps provide IBM Service with important information needed for problem troubleshooting during IBM Service calls Copyright IBM Corp 2009 Perform the following Health Check tasks after the initial configuration of your DS5020 storage subsystem and after all configuration sessions Set a regular schedule of periodic Health Check evaluations in order to keep your DS5020 code current and to preserve optimal data access and performance 1 Monitor the Recovery Guru in the DS Storage Manager client for any obvious storage subsystem errors or problem conditions Gather and save the following DS5020 storage subsystem event logs for review by IBM Service Gather these event logs periodically for regular Health Check monitoring regardless of the state of the Recovery Guru You can collect all these logs at once and zip them into a single file by clicking Advanced gt Troubleshooting Collect All Support Data in the DS Storage Manager Subsystem Management window e DS5020 storage subsystem management event log MEL e Storage Subsystem Profile or DS5020 Profile e Read Link Status RLS data In addition collect event logs for the host servers that have mapped logical drives from the storage subsystem Attention Save these event log files to a server disk that will remain accessible in the event of a DS5020 storage configuration failure Do not save these event
297. tors the speed of the SFP module that is installed and the speed of the Fibre Channel connection For example a 4 Gbps SFP that is plugged into a 8 Gbps capable port will limit the speed of that port to a maximum of 4 Gbps Conversely an 8 Gbps SFP that is plugged into a 4 Gbps capable port will limit the speed of the port to a maximum of 4 Gbps Carefully check the SFP IBM part number option number and FRU part number to identify its speed There are no physical features that distinguish an 8 Gbps SFP from a 4 Gbps SFP shows an example of SFP module with fiber optic cable Note The SFP module and the fiber optic cable shown are for illustrative purposes only The actual SFP module and the fiber optic cable shape might look different from the figure shown Fiber optic cable Figure 8 SFP module and fiber optic cable Software and hardware compatibility and upgrades The latest DS5020 controller firmware and NVSRAM the storage expansion enclosure drive enclosure ESM firmware and Fibre Channel and SATA drive CRUs firmware must be installed to achieve optimal functionality manageability and reliability Unless stated otherwise you can find the latest DS5020 publications firmware and host software at the IBM System Storage Support Web site http www ibm com systems support storage disk Chapter 1 Introduction 17 Software and firmware support code upgrades To enable support for the DS5020 you must make sure that your
298. ts one redundant drive channel loop pair Failure to observe this limitation might result in loss of data availability 6 The DS5020 currently supports a maximum of 112 drives in six 16 drive storage expansion enclosures per drive channel in each controller One drive channel from each of controllers A and B must be connected to the same set of storage expansion enclosures to provide drive channel redundancy Do not connect a combination of more than six storage expansion enclosures to the two ports of a single drive channel 7 When connecting six storage expansion enclosures to a DS5020 use all ports in both drive channels See Figure 42 on page 64 for the cabling topology 8 Connect a maximum of four EXP520s or EXP810s per DS5020 controller drive port 9 When mixing different types of storage expansion enclosures in the same drive channel pair the link rate Setting must be the same for each storage expansion enclosure IBM does not support different enclosure speed settings in the same drive channel 10 The controller drive ports of the DS5020 storage subsystem controllers must always be connected to ports labeled 1B in both the right and left ESMs of the EXP810s in the redundant drive channel loop pair that is connected to the DS5020 storage subsystem ee the location of the ports 11 To attach EXP810 storage expansion enclosures to the DS5020 you must purchase the Attach EXP810 to DS5020 Activation feature option Contact your
299. ts on controller A are opposite those of controller B Before inserting an Ethernet or serial cable verify that the cable connection is rotated correctly to match the alignment of the port on the RAID controller Do not force fit 2 Your DS5020 hardware might differ slightly from the following illustration Serial Ethernet port ports 000 10855 0 0 00O o ols T ooo We P ails o0 o0 ol Fi U cco 5 O 5 F 0 0 0 0 TS O e LY 000 Et Ltd Ql oder o Ethernet Serial ports port Figure 51 Ethernet and serial port locations on DS5020 Configuring the storage subsystem You must configure the storage subsystem configuration after you install the storage subsystem in a rack cabinet Use the information in the following sections to configure your storage subsystem configuration Chapter 3 Cabling the storage subsystem 79 Storage subsystem management methods Before you configure the storage subsystem determine which method of storage subsystem management you want to use You can manage the storage subsystems in either of t
300. ttings 78 storage subsystem drive cabling topologies 57 DS4100 storage subsystem library 191 DS4200 Express Storage subsystem library 190 DS4300 Storage subsystem library 189 DS4400 Storage subsystem library 188 DS4500 Storage subsystem library 187 DS4800 Storage subsystem library 185 186 DS5020 dimensions 19 environmental requirements and specifications 20 general checkout 153 parts listing 160 Storage expansion enclosure documentation 192 Storage subsystem library 184 DS5020 documentation 183 E E DDM replacing all at same time 131 132 replacing one atatime 131 134 E DDM CRUs 127 E DDM removal 39 EIA 310 D Type A 19 inch rack cabinet 34 electrical requirements 23 electronic emission Class A notice 200 emergency shutdown 112 enclosure ID 45 enclosure ID settings 78 enclosure information 99 environmental requirements and specifications 20 Ethernet connecting to RAID controller 78 F FCC Class A notice 200 fiber optic cable handling 47 Fibre Channel connections 84 loop configurations 85 Fibre Channel loop and ID midplane 46 setting 45 46 Fibre Channel loop ID midplane 78 setting 78 Fibre Channel loop IDs 128 Fibre Channel definition of 3 fire suppression xxvii firmware levels determining 18 firmware updates 99 G gaseous contamination 199 glossary 203 guidelines fiber optic cables 47 H hard disk drive replacing all at same time 131 132 replacing one atatime 131 134 hard disk drive
301. tual storage or channel volume KB stands for 1024 bytes MB stands for 1 048 576 bytes and GB stands for 1 073 741 824 bytes When referring to hard disk drive capacity or communications volume MB stands for 1 000 000 bytes and GB stands for 1 000 000 000 bytes Total user accessible capacity can vary depending on operating environments Maximum internal hard disk drive capacities assume the replacement of any standard hard disk drives and population of all hard disk drive bays with the largest currently supported drives that are available from IBM Maximum memory might require replacement of the standard memory with an optional memory module IBM makes no representation or warranties regarding non IBM products and services that are ServerProven including but not limited to the implied warranties of merchantability and fitness for a particular purpose These products are offered and warranted solely by third parties IBM makes no representations or warranties with respect to non IBM products Support if any for the non IBM products is provided by the third party not IBM 198 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Some software might differ from its retail version if available and might not include user manuals or all program functionality Particulate contamination Attention Airborne particulates including metal flakes or particles and reactive gases acting alone or in
302. tus Optimal for each module component e Yes Go to step e No Go to ba 12 Diagnose and correct the fault a To run the Recovery Guru select the Recovery Guru toolbar button in the Subsystem Management window b Complete the recovery procedure If the Recovery Guru directs you to replace a failed component locate and troubleshoot that component See Checking the LEDs on page 101 c When the procedure is completed rerun the Recovery Guru to make sure that the problem has been corrected by selecting Recheck in the Recovery Guru d If the problem persists contact IBM Customer and Technical Support 13 Replace the bezel on the storage expansion enclosure if applicable Cache memory and cache battery Each RAID controller in the DS5020 storage subsystem contains either 1 GB or 2 GB of cache memory to store read and write operations Both RAID controllers in the DS5020 must have the same amount of cache memory The battery unit contains enough charge to back up the cached data in each controller to a flash drive in the event of a DS5020 power failure Attention There are different replacement FRU part numbers for the DS5020 controller with certain cache sizes The DS5020 storage subsystem profile has the information about the installed cache memory size in the DS5020 controllers Refer to the storage subsystem profile and see Paris sting on page 160 for the correct FRU part number for the DS5020 controller Cac
303. ubsystem Installation User s and Maintenance Guide Support rail adjustment screws ooooooo0oo0o0000000 Wee screws ooo000008 800000000000000000000 Figure 15 Installing the support rails 1 Make sure that the rack cabinet has already been installed 2 Make sure that a stabilizer has been correctly attached to the bottom front of the rack to prevent the rack from tipping forward while the DS5020 is being installed Refer to the installation and service guide or equivalent for the rack as required 3 Locate the two support rails eight of the twelve M5 screws and eight washers that are supplied with the DS5020 Note The M5 screws and washers might already be attached to the support rails If so remove them from the support rails 4 The rack mounted unit is three EIA units high Decide accordingly where you are going to install the support rails Important Duplicate copies of the rack mounting templates are provided in to tear out the templates from this document use the copies in Appendix B Rack mounting templates on page 167 Use the preceding templates Figure 13 on page 33 and Figure 14 on page to identify the proper locations for inserting M5 screws when mounting the support rails and DS5020 storage subsystem to a rack cabinet The locations for the M5 screws are highlighted in the templates Note the following considerations before you choose where to install the rails
304. ucts installed in the rack or cabinet that connect to hazardous voltage Examples of OSHA approved NRTLs for the U S e UL e ETL e CSA with CSA NRTL or CSA US mark Examples of approved NRTLs for Canada a UL Ulc mark b ETL ETLc mark c CSA The European Union requires a CE mark and a Manufacturer s Declaration of Conformity DOC Certified products should have the NRTL logos or marks somewhere on the product or product label However proof of certification must be made available to IBM upon request Proof consists of such items as copies of the NRTL license or certificate a CB Certificate a Letter of Authorization to apply the NRTL mark the first few pages of the NRTL certification report Listing in an NRTL publication or a copy of the UL Yellow Card Proof should contain the manufacturer s name product type and model standard to which it was certified the NRTL name or logo the NRTL file number or license number and a list of any Conditions of Acceptance or Deviations A Manufacturer s Declaration is not proof of certification by an NRTL The rack or cabinet must meet all electrical and mechanical safety legal requirements for the country in which it is installed The rack or cabinet must be free of exposed hazards such as voltages over 60 V dc or 42 V ac energy over 240 VA sharp edges mechanical pinch points or hot surfaces 171 3 There must be an accessible and unambiguous disconnect device for each
305. um operating currents for the DS5020 storage subsystem with ac power supply and fan unit CRUs AC power recovery After a total ac power failure after normal power is restored the storage subsystem performs power up recovery procedures automatically without operator intervention Chapter 1 Introduction 23 Power cords and receptacles The storage subsystem ships with two jumper cords used to connect to the rack PDU You must purchase the power cords that are appropriate for use in a typical outlet in the destination country See Appendix D Power cords on page 179 for more information Heat output airflow and cooling See Airflow and heat dissipation on page 21 for heat output airflow and cooling specifications Note In general disk subsystem reliability tends to decrease as the ambient temperature of the environment in which it is being used increases The ambient temperature in the immediate area of the disk enclosure unit must be kept near 22 C 72 F or lower to provide better reliability When racks that contain many storage subsystems are to be installed together the following requirements must be met to for the storage subsystems to be cooled adequately e Air enters at the front of the rack and leaves at the back To prevent the air that is leaving the rack from entering the intake of another piece of equipment you must position the racks in alternate rows back to back and front to front This arra
306. up and mount the storage expansion enclosures 10 Use SFP modules and Fibre Channel cables to cable the DS5020 to the DS4000 storage expansion enclosure or enclosures See Connecting storage expansion enclosures to the DS5020 on page 54 11 Perform one of the following cabling tasks to enable management of the DS5020 configuration If you are using out of band management cable the DS5020 Ethernet ports to either the management workstation or the host If you are using in band management cable the DS5020 host channels to the Fibre Channel host bus adapters HBAs in either the hosts or the Fibre Channel switch that connects to the host HBAs See Connecting hosts to the DS5020 using Fibre Channel host ports on page 82 12 Connect the power cables for the DS5020 See Cabling the ac power supply Attention Before you turn on the power to the DS5020 storage subsystem it must be populated with at least two E DDMs If at least two E DDMs are not installed in the DS5020 an insufficient load to the enclosure power supplies might cause them to intermittently appear as failed falsely indicating the power supplies are bad All of the E DDMs in the DS5020 storage subsystem and the connected storage expansion enclosure or enclosures must contain no prior configuration data IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 13 Turn on the power to the attached storage
307. upport storage san DS4000 and DS5000 technical support Find downloads hints and tips documentation parts information HBA and Fibre Channel support http www ibm com systems support storage disk elect your storage subsystem for example DS5020 dp About this document XXV Premium feature activation Activate a DS5020 or DS4000 premium feature by using the online tool http www 912 ibm com PremiumFeatures jsp keyInput jsp IBM publications center Find IBM publications http www ibm com shop publications order Support for System p servers Find the latest information supporting System p AIX and Linux servers http www ibm com systems support supportsite wss brandmain brandind 5000025 Support for System x servers Find the latest information supporting System x Intel and AMD based servers http www ibm com systems support supportsite wss brandmain brandind 5000008 Fix delivery center for AIX and Linux on POWER Find the latest AIX and Linux on POWER information and downloads http www 912 ibm com eserver support fixes fcgui jsp In the Product family drop down menu select UNIX servers Then select your product and fix type from the subsequent drop down menus System p and AIX information center Find everything you need to know about using AIX with System p and POWER servers http publib boulder ibm com infocenter pseries index jsp Software service and suppor
308. ure in the power system or in the midplane Complete the following steps to shut down the system during an emergency 1 If you have time stop all I O activity to the storage subsystem by shutting down the host or disconnecting the storage subsystem logical drives through the host 2 Check the LEDs Make note of any Needs Attention LEDs that are on so you can correct the problem when you turn on the power again 3 Turn off all power supply switches starting with the DS5020 storage subsystem first and followed by the storage expansion enclosures Then unplug the power cables from the storage subsystem A CAUTION This unit has more than one power source To remove all power from the unit all MAINS must be disconnected CAUTION The power switch on the power supply and fan unit does not turn off the electrical current supplied to the device The DS5020 storage subsystem might also have more than one connection to ac power To remove all electrical current from the device ensure that all power cords are disconnected from the power supply and fan unit input connectors Restoring power after an unexpected shutdown Use the following procedure to restore power to the storage subsystem in a configuration after an unplanned shutdown 112 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Risk of severe electrical shock Never turn on the power to any equipment if there is evidence of fire wa
309. ures as shown in Figure 43 A storage array with the incorrect storage topology might appear to be functional but incorrect cabling can potentially have unpredictable results Port 2 drive channel 1 i 1 drive channel 1 DS5020 Port 1 drive channel 2 Port 2 drive channel 2 Figure 43 Cabling for one DS5020 and up to six storage expansion enclosures One DS5020 and two or more storage expansion enclosures in a mixed configuration A mixed configuration is a configuration in which you have more than one type of storage expansion enclosure Figure 44 on page 67 shows the cabling topology if you have three EXP520s and three EXP810s attached to the DS5020 The IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide EXP520s are denoted in the graphic as while the EXP810s are denoted as B Port 2 drive channel 1 Port 1 drive channel 1 DS5020 _ Port 1 drive channel 2 Port 2 drive channel 2 EXP520 19177 hit
310. ust be 22 C 72 F or lower 20 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Table 5 Temperature and humidity requirements for storage subsystem when in storage or in transit Condition Parameter Requirement Temperature Storage range 10 65 C 14 149 F Maximum rate of change 15 C 27 F per hour Transit range 40 C to 65 C 40 F to 149 F Maximum rate of change 20 C 36 F per hour Relative humidity no Storage range 8 to 90 condensation Transit range 5 to 95 Maximum dew point 26 C 79 F Maximum gradient 10 per hour Table 6 Temperature and humidity requirements for storage subsystem in a typical Information Technology IT or office environment Condition Parameter Requirement Temperature Operating range 10 35 C 50 95 F Maximum rate of change 10 C 18 F per hour Relative humidity no Operating range 8 to 80 condensation Altitude Table 7 lists the acceptable altitudes for operating storing and shipping the DS5020 Table 7 DS5020 altitude ranges Environment Altitude Operating 30 5 m 100 ft below sea level to 3000 m 9842 ft above sea level Storage 30 5 m 100 ft below sea level to 3000 m 9842 ft above sea level Transit 30 5 m 100 ft below sea level to 12 000 m 40 000 ft above sea level Airflow and heat dissipation Figure
311. ve package 49 Small form Factor Pluggable modules described 16 replacing 146 SNMP traps 11 specifications 19 specifications fiber optic cables 47 startup sequence 95 static sensitive devices handling 29 121 steps connecting storage expansion enclosures 56 storage area network SAN technical support Web site xxv storage expansion enclosure settings 78 turning on before storage subsystem 134 storage expansion enclosures cabling schemes 67 connecting to storage subsystem 54 56 storage manager software and hardware compatibility 17 storage subsystem airflow 13 checking status 101 configuring 79 connecting storage expansion enclosures to 56 drive ID numbers 9 fans 13 fault indicator LEDs 101 identification numbers 163 information record 164 performing an emergency shutdown 112 power supply and fan unit 13 records 163 restoring power after an emergency 112 startup sequence 95 troubleshooting 100 turn on and turn off the 95 turning off 109 216 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide storage subsystem configuration saving 6 storage subsystem configuration installing 91 storage subsystem profile saving 6 submodel ID 99 support code upgrades software and firmware 18 support notifications 5 switch technical support Web site xxv y tasks by document title 183 tasks by documentation title 183 temperature and humidity 20 temperature maximum 114 template rack mounting 16
312. ve the profile in a location other than the logical drives created for the DS5020 Always refer to the readme that is included with the DS5020 storage subsystem firmware package whether the firmware is accessed by the Web or DVD for any special requirements or restrictions that apply to that particular firmware version to access the readme files on the Web Note Make sure that you install the DS Storage Manager event monitoring service to enable continuous monitoring of the status of the storage subsystem For more information about the importance of this information sok Mennoring status through software Monitoring status through software 98 Use the DS Storage Manager client to monitor the status of the storage subsystem Run the software constantly and check it frequently Notes 1 You can only monitor storage subsystems that are within the management domain of the storage management software 2 If you have not installed the DS Storage Manager Event Monitor service as part of the storage management software installation the DS Storage Manager Enterprise Management window must remain open If you close the window you will not receive any alert notifications from the managed storage subsystems For more information see the Enterprise Management online Help Important Refer to the IBM System Storage DS Storage Manager Version 10 Installation and Host Support Guide for the applicable operating system for instruct
313. with its related common user tasks Table 34 DS4100 storage subsystem document titles by user tasks Title Planning Hardware Installation Software Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM TotalStorage DS4100 Storage Server Installation User s and Maintenance Guide IBM TotalStorage DS4100 Storage Server Cabling Guide Appendix E Additional DS5020 documentation 191 DS5000 and DS4000 storage expansion enclosure documents Table 35 associates each of the following documents with its related common user tasks Table 35 DS5000 and DS4000 storage expansion enclosure document titles by user tasks Title Planning Hardware Installation Software Installation User Tasks Configuration Operation and Administration Diagnosis and Maintenance IBM System Storage EXP520 Expansion Enclosure Installation User s and Maintenance Guide IBM System Storage DS4000 EXP810 Storage Expansion Enclosure Installation User s and Maintenance Guide IBM System Storage Quick start guide Quick reference for the DS5020 and DS4200 Sections 2 3 and 4 also for installing the EXP810 and EXP420 IBM TotalStorage DS4000 EXP700 and EXP710 Storage Expansion Enclosures Installation User s and Maintenance Guide IBM DS4000 EXP500 Installation and User s Guide IBM System Storage DS4000
314. wo ways host agent in band management or direct out of band management For more information about setting up in band or out of band management connections refer to the DS Storage Manager Installation and Host Support Guide for the operating system of the host computer that will be used to manage the storage subsystem Important If the operating system of the host server that the storage subsystem logical drives are mapped to is not Microsoft Windows 2000 or Server 2003 then you have to make a direct out of band management connection to the storage subsystem to set the correct host type first Then the server will be able to recognize the storage subsystem correctly for host agent in band management Host agent in band management method This method requires host agent software that you install on the host server The host agent software allows the DS Storage Manager client program to manage the DS5020 storage subsystem using the same Fibre Channel connections between the host server and the storage subsystem You must install at least one management station and a software agent host The management station can be the host or a workstation on the Ethernet network A management station will have the client software installed Figure 52 shows the host agent in band management method PH Two storage
315. write once read many write once read many WORM Any type of storage medium to which data can be written only a single time but can be read from any number of times After the data is recorded it cannot be altered WWN See worldwide name zoning 1 In Fibre Channel environments the grouping of multiple ports to form a virtual private storage network Ports that are members of a zone can communicate with each other but are isolated from ports in other zones 2 A function that allows segmentation of nodes by address name or physical port and is provided by fabric switches or hubs Glossary 211 212 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Index A a hot swap E DDM replacing 130 a hot swap hard disk drive replacing 130 about this document xix ac power cords and receptacles 24 ac power recovery 23 ac power requirements 23 ac power supply cabling 91 ac power supply and fan unit replacing 43 139 ac power supply and fan unit removal 38 ac site wiring requirements 23 accessible documentation 199 acoustical noise emission values 22 airflow 13 21 24 altitude ranges 21 area requirements 19 audience xix B battery LEDs 117 replacing 117 battery unit LEDs 16 103 overview 15 replacing 144 bays hot swap drive 7 best practices 5 blank trays 126 board ID 99 BOOTP server sample network 11 C cabling ac power supply 91 cabling rules 67 cabling s
316. xpansion enclosure turn off both of its power switches first If the main circuit breaker is off be sure both power switches are off on each storage expansion enclosure in the cabinet before turning on the main circuit breakers 1 Are the main circuit breakers turned on e Yes Turn off both power switches on each enclosure that you intend to connect to the power e No Turn off both power switches on all enclosures in the storage subsystem 2 Make sure that all power cords are connected See Cabling the ac power supply on page 91 for details depending on the DS5020 configuration you purchased Chapter 4 Operating the storage subsystem 95 96 Note If the power cords are not connected turn off both power switches on all modules in the configuration before connecting power cords or turning on the main circuit breakers If the main circuit breakers are turned off turn them on Verify that the link rate setting on the front of the storage expansion enclosure matches the speed of the drives in the subsystem Attention You must turn on power to each attached storage expansion enclosure before turning on power to the DS5020 storage subsystem to make sure that the controllers recognize all drives in the configuration during the startup process Turn on both power switches on the back of each storage expansion enclosure attached to the storage subsystem While each storage expansion enclosure powers up the green and amb
317. y two standard 8 Gbps FC host ports one optional 2 port 1 GB iSCSI host card and two standard 4 Gbps FC drive channel ports Each controller for the DS5020 has Fibre Channel or iSCSI drive ports for connecting to the storage expansion enclosures and two Ethernet ports for DS5020 ae stem a al See Figure 2 on page 10 Figure 3 on page 10 or The iSCSI ports support both IPv4 and IPv6 TCP IP addresses CHAP and iSNS Use either Cat5E or Cat6 Ethernet cable types for iSCSI port connections A Cat6 Ethernet cable provides optimal performance Although both controllers A and B are identical they are seated in the DS5020 chassis in opposite orientations If the controller cannot fully be inserted in the controller bay flip it 180 degrees and reinsert it Do not force fit because it might cause damage to the controller unit 8 IBM System Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide Connectors switch and enclosure ID The controllers support fiber optic interfaces for both the host channel and drive channel ports The controllers also contain two Ethernet ports for storage subsystem management purposes and a serial port that IBM Support uses to perform problem recovery and troubleshooting procedures The default IP addresses for the Ethernet ports on controller A are 192 168 128 101 and 192 168 129 101 The default IP addresses for the Ethernet ports on controller B are 192 168 128 102 and 192 168 129 102 The
318. you want to install the E DDM 4 Remove the blank tray by doing the following a C d Release the latch on the E DDM CRU by pressing on the inside of the bottom of the tray handle Lift the closed latch to its open position The latch is at a 90 angle to the front of the E DDM when open Pull the blank tray out of the bay Save the blank tray for later use 5 Install the E DDM by doing the following Note The hard disk drive comes installed in a drive tray Do not attempt to detach the drive from the tray a Release the latch on the drive CRU by pressing on the inside of the bottom of the tray handle b Pull the handle on the tray out so that it is in the open position as shown in Tay handle f ELA Tray latch Figure 80 E DDM CRU handle c Slide the E DDM CRU into the empty bay until the hinge of the tray handle latches beneath the storage subsystem bezel or the adjacent E DDM CRU bezel Chapter 5 Replacing components 129 Note Make sure that the EMC gasket does not snag on the bezel d Push the tray handle down until it latches into place Replacing hot swap E DDMs E DDM problems include any malfunctions that delay interrupt or prevent successful I O activity between the hosts and the E DDMs in the storage subsystem This includes transmission problems between the host controllers and the E DDMs This section explains how to replace a failed E DDM Note If you want t
319. ystem Storage DS5020 Storage Subsystem Installation User s and Maintenance Guide 76 10 11 12 Connect port 1A on the left ESM in EXP520 one to port 1B on the left ESM in EXP520 three Connect port 1A on the right ESM in EXP520 three to port 1B on the right ESM in EXP520 one Connect port 1B on the left ESM in EXP520 one to port 2 of drive channel 1 on the DS5020 Connect port 1A on the left ESM in EXP520 three to port 1B on the left ESM in EXP520 five Connect port 1A on the right ESM in EXP520 five to port 1B on the right ESM in EXP520 three Connect port 1 of drive channel 2 on the DS5020 to port 1B on the right ESM in the EXP520 five Connect port 1A on the left ESM in EXP520 two to port 1B on the left ESM in EXP520 four Connect port 1A on the right ESM in EXP520 four to port 1B on the right ESM in EXP520 two Connect port 1B on the left ESM in EXP520 two to port 1 of drive channel 1 on the DS5020 Connect port 1A on the left ESM in EXP520 four to port 1B on the left ESM in EXP520 six Connect port 1A on the right ESM in EXP520 six to port 1B on the right ESM in the EXP520 four Connect port 2 of drive channel 2 on the DS5020 to port 1B on the right ESM in EXP520 six Chapter 3 Cabling the storage subsystem 77 Storage expansion enclosure settings This section provides information about storage expansion enclosure settings For additional detail refer to the Installation User s and Maintenan

IBM DS5020 User's Manual

Contents

Download Pdf Manuals

Related Search

Related Contents