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EonStor A24F-R2224-1

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1. Cr At a eG ae A E 6 7 Figure 2 6 Package Contents Excluding the Packing Materials The slide rails secure the EonStor 4U chassis to standard 19 inch wide four post cabinets or racks that are between 23 and 36 inches deep These heavy duty slide rails allow for easy safe access to the subsystems as well as provide a solid support Prepare the tools needed to install the enclosure into rack The following should be necessary e a medium sized and a small sized Phillips screwdrivers e a medium sized flathead screw driver 2 10 Hardware Installation Chapter 2 Hardware Installation 2 7 2 Installation Steps t Step 1 Determine the exact position where you want to install the Step 2 ws 2 t Hardware Installation EonStor enclosure in the rack and then measure the position The mounting kit comes with M5 cage nuts that can be used with racks that have square unthreaded holes Align the front side of a support bracket and adjust spacing so that the front and rear sides of the bracket fit the vertical rack posts aD iSt Eeleie i araies 1 EV ae Figure 2 7 Fitting a Support Bracket to Rack Posts Step 3 9 Step 4 Determine where in the rack the subsystem is going to be installed Attach four 4 M5 flathead screws 6 in the packing list to secure the bracket to the front and the rear rac
2. 1 Warning messages are issued 2 The subsystem is temporarily held in an idle state 3 The firmware forces the subsystem to stop serving host I O requests 2 4 After the failed PSUs are replaced array administrators should manually turn the power switch off and then on 5 If the subsystem is powered on with only one PSU the firmware will start the initialization process but stays idle until at least one other PSU is added Table 1 1 Power Supply Safety Resirictions 1 2 8 Cooling Modules Part Number IFT 9274CFanMod The A24F subsystems come with two 2 hot swappable redundant dual fan cooling modules shown in Figure 1 11 preinstalled in the subsystem Two 2 8cm blowers are housed in each cooling module and provide ventilation airflow from the front to the rear of the subsystem extracting the heat generated by the SATA hard drives and other components The two 2 cooling fan modules are installed directly above the PSUs See Figure 1 5 Intelligent Dual Speed Operation The fans in the cooling module operate with two rotation speeds Under normal operating conditions the cooling fans run at the low speed which is sufficient for 1 10 Introduction Chapter 1 Introduction maintaining efficient airflow across components Under the following conditions the cooling fans automatically increase their rotation speed to increase the airflow 1 Component Failure if a cooling fan PSU or tempera
3. ccccsccssssessscssesecusensesecnsseeceseeneeseeaseseoneeees 5 5 5 3 REPLACING A FAILED BBU COMPONENT cieeeeceeeceecesecneeceeeeeeeeeees 5 6 5 3 1 Replacing the BBU Module cccccecccesccessesscesecesecnsecnsecaeeesseeseesseeseeeseenseenaes 5 6 5 4 REPLACING A FAILED PSU MODULE ssis iei ssiriiiisen tresser rete Sasser oies ta 5 8 5 4 1 Notes on PSU Module Maintenance c cccesccescecceecseecessceseceecnsecnseesecnsecseens 5 8 5 4 2 Replacing a PSU Module 00 ccescescsseesseenseescesneesneesecesceseeeseeesecesecesecaeonaeonee 5 9 5 5 COOLING MODULE MAINTENANCE cece cee creeeneeeeeeeeeeesenseenseenaes 5 11 5 5 1 Notes on Cooling Module Maintenance s sosooseseseeeeseeeseeeserseereereererees 5 11 vii EonStor A24F R2224 1 Installation and Hardware Reference Manual 5 5 2 Replacing a Cooling Module ccccccccsccesccessceseceseceseesecnsecesecnseceeeeeeseeesees 5 1 3 65 DRIVE TRAY MAINTENANCE nnrir n ari a E 5 12 5 6 1 Notes on Hard Drive MGintendnce scccssccsseceesseceseceenseceseceeacecuseeeeaceceeeeaes 5 12 5 6 2 Hard Drive Replacement scsccscessesscssesscesesseesecseesecueeeeeaeeeessecaeesecaeeeeenaes 5 12 5 7 REPLACING A HOST W O MODULE cece skersas 5 13 APPENDIX A SUBSYSTEM SPECIFICATIONS AT TECHNICAL SPECIFICATIONS cccccccccccccccccccccsesesesesesesesesesesessssseessseseeeees A 1 A 2 CONTROLLER SPECIFICATIONS aetti ccccccceceseseseseseseseseseseseseseeseeees A 3 A 3 DRIVE
4. R Infortrend Stor A24F R2224 1 FC 2G to SATA II RAID Subsystem istallation and Hardware Reference Manual Revision 1 0 EonStor A24F R2224 1 Installation and Hardware Reference Manual Contact Information ii Asia Pacific International Headquarters Infortrend Technology Inc 8F No 102 Chung Shan Rd Sec 3 Chung Ho City Taipei Hsien Taiwan Tel 886 2 2226 0126 Fax 886 2 2226 0020 sales infortrend com tw support infortrend com tw http Awww infortrend com tw China Infortrend Technology Limited Room 1210 West Wing Tower One Junefield Plaza No 6 Xuanwumen Street Xuanwu District Beijing China Post code 100052 Tel 86 10 6310 6168 Fax 86 10 6310 6188 sales infortrend com cn support infortrend com cn http www infortrend com cn Japan Infortrend Japan Inc 105 0023 6F Okayasu Bldg 1 7 14 Shibaura Minato ku Tokyo Japan Tel 81 3 5730 6551 Fax 81 3 5730 6552 sales infortrend co jp support infortrend co jp http www infortrend co jo Americas Infortrend Corporation 3150 Coronado Dr Unit C Santa Clara CA 95054 USA Tel 1 408 988 5088 Fax 1 408 988 6288 sales infortrend com tsd infortrend com http www infortrend com Europe EMEA Infortrend Europe Limited 5 Elmwood Chineham Business Park Basingstoke Hampshire RG24 8WG UK Tel 44 1256 70 77 00 Fax 44 1256 70 78 89 sales infortrend europe com support infortrend europe com http ww
5. LAN Connector LED Definitions 3 2 4 LCD Keypad Panel The LCD keypad panel comes with three 3 status indicating LEDs marked from top to bottom PWR BUSY and ATTEN as shown in Figure 3 3 below The definitions of these LEDs are shown in Table 3 5 Figure 3 3 LCD Panel LEDs 3 4 System Monitoring Chapter 3 Subsystem Monitoring LED Name Color Status PWR Blue ON indicates that power is being supplied to the subsystem OFF indicates that no power is being supplied to the subsystem or the subsystem RAID controller has failed BUSY ATTEN White Red ON indicates that there is active traffic on the host drive channels OFF indicates that there are no activities on the host drive channels ON indicates that a component failure status event has occurred OFF indicates that the subsystem and all its components are operating correctly g NOTE During the power up process the LCD panel ATTEN LED will be turned on If the subsystem boots up correctly then the ATTEN LED will be turned off after the boot up procedure is complete 3 2 5 Drive Tray LEDs Table 3 4 LCD Panel LED Definitions The drive trays come with two 2 status indicating LEDs one that indicates power and the other that indicates hard drive activities The LEDs are shown in Figure 3 4 and their definitions in Table 3 5 Drive Busy LED System Monitoring Power Status LED Figure 3 4 Drive
6. components are properly installed Therefore a failed component should only be hot swapped when a replacement is available If a failed component is removed but not replaced permanent damage to the subsystem can result Introduction 1 15 EonStor A24F R2224 1 Installation and Hardware Reference Manual This page is intentionally left blank 1 16 Introduction Chapter 2 Hardware Installation Chapter 2 Hardware Installation 2 1 Installation Overview This chapter gives detailed instructions on how to install the EonStor A24F subsystem When installing the subsystem it is necessary to install hard drives drive trays and cables Installation into a rack or cabinet should occur before the hard drives or drive trays are installed into the subsystem It is also advisable to confirm that all of the components listed on the printed Unpacking List that came with the subsystem were indeed included A CAUTION Please note that the installation instructions described in this manual should be carefully followed in order to avoid damage to the subsystem 2 2 Installation Pre requisites 1 Static free installation environment The subsystem must be installed in a static free environment to minimize the possibility of electrostatic discharge ESD damage See Section 2 3 Component check Before installing the subsystem you should confirm that you have received all of the required components by checking the p
7. make sure you have a replacement hard drive readily available Do not leave the drive tray slot open for an extended period of time Otherwise the normalized airflow will be disrupted and subsystem components will overheat and may become permanently damaged 5 6 2 Hard Drive Replacement When a hard drives fails it needs to be replaced To replace a hard drive please follow these steps amp Step 1 Remove the drive tray from the enclosure First unlock the key lock on the front of the drive tray using a flat head screwdriver to turn the key lock until the groove on its face is in a horizontal orientation t Step 2 Open the front flap by pressing the release button to lift up the latch at the front of the drive tray This will dislodge the hard drive from the enclosure and the hard drive can be carefully withdrawn CN t Step 3 Remove the retention screws on the sides of the drive tray and then remove the hard drive from the drive tray Step 4 Install the new hard drive Please refer to the complete hard drive installation procedure in Chapter 2 Subsystem Maintenance Chapter 5 Subsystem Maintenance and Upgrading 5 7 Replacing a Host I O Module All host I O modules on the A24F are hot swappable If any of these modules failed the whole module can be replaced online To install or replace an I O module please follow these steps BZ NOTE The following instructions are showing only the host I O module
8. 2 Model Name Description IFT 9011 IFT 9270AYCab A24F R2224 dual controllers Null Modem DB9 female to DB9 male wires swapped Serial port Y cable for dual controller subsystems 2 audio jacks to 1 DB 9 maintenance free during controller failover failback Table C 2 Accessories Shipped with the Subsystem Accessories that must be purchased separately are listed in Table C 2 Model Name Description IFT 9270CUPSCab RS 232C serial cable and audio jack to DB9 cable for UPS status monitoring 9270ASCab RS 232C serial cable audio jack to DB9 IFT 9270CSFP2GA01 Agilent Fibre Channel 2 125 1 0625 GBd Small Form Pluggable Optical Transceiver LC wave length 850nm multi mode IFT 9270CFCCab01 Optical FC cable LC LC MM 62 5 125 Duplex LSZH O D 1 8mmx2 1 Meter IFT 9270CFCCab02 Optical FC cable LC LC MM 62 5 125 Duplex LSZH O D 1 8mmx2 5 Meters IFT 9270CFCCab03 Optical FC cable LC LC MM 62 5 125 Duplex LSZH O D 1 8mmx2 10 Meters C 2 Spare Parts and Accessories Appendix C Spare Parts and Accessories IFT 9274A2DT2S 1S 0030 Drive tray Type III bezel and Type II LED lightpipe 2 to 1 SATA SATA II MUX conversion power MOS switch embedded dual controller subsystems IFT 9272CDTrayDmy IFT 9274Cslider32 Dummy drive tray Type II bezel Slide rails for 24 to 32 deep racks IFT 9274Cslider36 Sli
9. 2 2 4 GENERAL INSTALLATION PROCEDURE 0 cies ceecseecreeeneeeeeeeeeeeeees 2 2 2 4 1 Installation Procedure Flowchart c sccesccesecese este eres eeeeeeeeeceseesecessenseeeseenaes 2 3 2 5 UNPACKING THE SUBSYSTEM icsse esot esesscesscosseesecssseneceneecoeecoesonesenseensens 2 4 2 6 MEMORY MODULE INSTALLATION 00 occ eecesecesecseeceeceeeeeeeneeeeeeeeees 2 4 2 6 1 Memory Module Installation Overview 1 1 ccsccesseesseeseeeeeeecesecesecnsecnseenseens 2 4 2 6 2 Selecting the Memory Modules ccccsccescssseessesscessesseeeeceseeesecesecnsecnsecaeenas 2 5 2 6 3 DIMM Module Installation Replacement c scsccsccsseseeeseeneeseensesensecnseseceeees 2 6 2 7 RACKMOUNTING THE SUBSYSTEM 0 ieee cesecee esse ceeceeeeeseeeeeeeeneens 2 9 2 7 1 PACKAGE Contents hrii ae E e EE aE AA VREES 2 9 2 7 2 Trnstallation Steps enei inaa E E EEE NE 2 11 2 8 HARD DRIVE INSTALLATION seseseesseeseesesreeresreeresesrrsresrenresreersseerresesreeresre 2 14 2 8 1 Hard Drive Installation Overview scscssessssecseeeceseeseeseeseesecseeecnaseeeeaeenes 2 14 2 8 2 Hard Drive Installation Pre requisites 2 14 2 8 3 Drive Installation sss cistesits setts hake E R E EEEN S 2 15 2 9 DRIVE TRAY INSTALLATION ee a a aa E a E 2 16 2 10 POWER CORD CABLE CLAMP INSTALLATION sseeseesesessreersererreerrrreeeees 2 18 2ZAOL Component Descriptions sisirain ni oai iE i 2 18 2 10 2 Cable Clamp Mnstallati n s s emnin e ei eini e a aA 2 19 CHAPT
10. 2Gbps host channels Drive Interface Supports up to 24 channels of 3Gbps SATA II backward compatible to SATA I Drive Channels All drive channels are pre configured routed through a back end PCB and cannot be changed Cache Mode Write through and write back Cache Memo Pre installed 512MB DDR RAM DIMM supports up to 2GB ry DDR RAM with ECC registered Up to 32 per ID up to a total of 1024 configurable depending Number oi EUNS on the size of installed DDR memory Multiple Target Y IDs Host Channel 2 Aliases for Target IDs Yes Firmware on Flash Yes Memory Drive Hot swapping Yes Controller Hot swapping Yes redundant controller models only A 3 Drive Tray Specifications Specification Height 28mm 1 linch Width 110mm 4 3 inches Depth 218 92mm 8 6 inches Key lock Yes Specifications A 3 EonStor A24F R2224 1 Installation and Hardware Reference Manual A 4 A 5 A 6 A 4 Power Supply Specifications Specification Nominal Power 405W DC Output 3 3V 3 20V to 3 465V min 0 5A max 20A 5V 4 80V to 5 25V min 2 5A max 36A 12V 11 52V to 12 60V min 1A max 24A 5V SB 4 85V to 5 25V min OA max 0 5A Input Frequency 47 to 63Hz AC Input 90VAC 8AC 264VAC 4AC with PFC Power Factor Correction Yes Hold up Time At least 20ms at 115 230VAC full load after a loss of AC
11. Fibre to SATA RAID controller module for ES A24F G R2224 1 subsystem no FC 2G SFP host connectors IFT 9274CDTray tray without MUX board IFT 9274ADT2S1S Drive tray Type III bezel and Type II LED lightpipe Drive tray Type III bezel and Type II LED lightpipe 2 to 1 SATA SATA I MUX conversion power MOS switch embedded dual controller subsystems IFT 9274A2N2S1S HDD dongle board 2 to 1 SATA SATA II MUX conversion power MOS switch embedded dual controller subsystems IFT 9274CPSU Power supply module for ES 4U 24 bay subsystems 405W N 1 capacity IFT 9274CFanMod Cooling fan module for ES 4U 24 bay subsystems IFT 9274CF2HIO4L Fibre channel FC 2G IO board Left hand side for ES 4U 24 bay subsystem 4 x SFP ports w on board host hub IFT 9274CF2HIO4R Fibre channel FC 2G IO board Right hand side for ES 4U 24 bay subsystem 4 x SFP ports w on board host hub IFT 9274HandLLCD Left side forearm handle for ES 4U 24 bay subsystems LCD panel included Spare Parts and Accessories C 1 EonStor A24F R2224 1 Installation and Hardware Reference Manual IFT 9274CHandR Right side forearm handle for ES 4U 24 bay subsystems IFT 9274CBTC Battery cell pack Li Ion for ES 4U 24 bay subsystems Table C 1 Spare Parts Shipped with the Subsystem C 2 Accessories and Optional Items Accessories that come with the subsystem are listed in Table C
12. Pin 4 on the DIP switch located on the upper left corner of the A24F subsystem rear panel controls the following DIP Switch Configurations and Host Port Connectivity e Up The host channels of the partner controllers are connected together from the partner controllers through a common backplane host I O modules and to the host SFP ports Every host I O port connects to both of the RAID controllers CHO CH1 A_ se nee oe oo oo 02 99 Ctrl A Hub enabled Ctrl B Figure 4 2 A24F R2224 1 Channel Buses When Hub is Enabled 4 6 Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation e Down Connection to a specific host port travels down to a specific RAID controller as diagrammed below This applies to configurations where FC port hub can be provided externally e g using a FC switch where specific FC ports are connected to switch ports Path redundancy can also be achieved using redundant cable links CHO CH1 SS gme Cti B CHO Ctrl A CHO Ctel B CH1 Ctrl A CH1 Hub Disabled Figure 4 3 A24F R2224 1 Channel Buses When Hub is Disabled 4 3 3 Fibre Channel Speed Selection N 4 Reserved Misc Setting CHO amp CH1 Auto 1G Figure 4 4 Pin 5 Fibre Channel Speed Selection e UP Auto e Down 1Gbps Speed auto detection is a specified feature of the Fibre Channel standard If one of the devices in the FC AL loop is set to an auto setting it w
13. The unique identifier is a user specified 16 bit hexadecimal number that is used to generate FC ports node names and port names Each subsystem has a factory assigned hexadecimal number 4 2 7 ID LUN Mapping I O load distribution between the dual redundant RAID controllers in the A24F R2224 1 is determined by the host ID LUN mapping a process done by associating logical configurations of disk drives with host channel ID LUN combinations Different logical groups of drives can be mapped to channel IDs or the LUN numbers under a host ID For a multi path configuration a logical drive configuration can be mapped to different ID LUN combinations In this case the multi path management software or file locking mechanism is required on the host side ID LUN mapping procedures are described fully in the FC to SATA RAID Subsystem Operations Manual Subsystem Connection and Operation 4 5 EonStor A24F R2224 1 Installation and Hardware Reference Manual 4 3 Fibre Channels 4 3 1 Onboard Hub Settings The A24F R2224 1 subsystem comes with embedded hub on their host I O modules Channel bus and access routes configurations with different DIP switch settings are diagrammed below The onboard hub helps avoid system down time caused by a single path failure 4 3 2 Jumper Assignments Down Reserved Misc Settings CHO amp CH1 Hub Enabled Disabled Figure 4 1 Location of the Onboard Hub Pin e UP hub enabled e Down hub disabled
14. Tray LEDs EonStor A24F R2224 1 Installation and Hardware Reference Manual LED Name Color Status Drive Busy Blue FLASHING indicates there is read write activity on the drive OFF indicates there is no read write activity on the drive Power Status Green Red GREEN indicates that a drive is installed in the drive tray RED indicates that there is a drive failure 3 2 6 BBU Module LED Table 3 5 Drive Tray LED Definitions The hot swappable BBU module comes with an LED that indicates the status of the current battery charge module failure or when battery cells are being replenished Figure 3 5 BBU Module LED LED Name Color Status BBU Status Amber ON indicates the BBU has failed and cannot sustain the cache memory OFF indicates the BBU is sufficiently charged and can sustain cached data FLASHING indicates the BBU is charging Table 3 6 BBU LED Definitions System Monitoring Chapter 3 Subsystem Monitoring IMPORTANT 3 2 7 In addition to BBU failure itself and the charger failure the subsystem may also light the BBU fault LED when the following occur 1 The temperature sensor embedded with the charger circuit reports a temperature reading exceeding 45 degree Celsius 2 The BBU battery backup unit has been charged for over 7 hours The BBU charger will enter a timer fault state When the above conditions occur the c
15. are low power and do not come with this safety feature they can still inflict damage 4 1 3 FC Speed Auto negotiation Speed auto negotiation is specified by the Fibre Channel standard If a 1Gbps port is connected to a 2Gbps port the 2Gps port will negotiate down and run at 1Gbps If there are two 2Gbps ports on either end of the link the link will be run at 2Gb g NOTE 1 Fibre Channel transmission speed is also determined by cable length and other factors Make sure your connection and device configuration meet the requirements specified by your cabling devices vendors 2 If DIP Switch 5 on the back of the subsystem rear panel is manually selected to a specific transfer speed the FC port auto negotiation function will be disabled 4 1 4 SFP Transceivers Once you have purchased your FC cables it may be necessary to connect them to SFP transceivers These transceivers should typically have at least 2Gbps bi directional data links a laser transmitter for fiber optic cables LC connector and a metal enclosure to lower EMI Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation g NOTE LC connectors are small form factor fiber optic connectors based on a 1 25 mm ceramic ferrule with the familiar latching mechanism of the RJ 45 modular plug and jack Other beneficial features of a typical SFP transceiver include a single power supply low power dissipation and hot swap capability It is
16. cord to a subsystem power socket so that you can determine the correct position of the cable clamp along the cable strap The diagram below shows the relative positions of a power cord cable clamp and cable strap Cable clamp fits here A Align with chassis Adjust the relative position A Figure 2 20 Power Cord Cable Clamp and Cable Strap Positions amp t Step2 Connect the cable clamp to the cable strap Insert the flat angled end of the cable strap through the small opening the tie head underneath the cable clamp with the smooth side of the strap facing up and the ribbed side facing down and the release tab at the end Press down the release tab to adjust the position of the cable clamp along the strap See the diagram below Hardware Installation 2 19 EonStor A24F R2224 1 Installation and Hardware Reference Manual Cable Clamp Cable Strap Tie Head a Release Tab Figure 2 21 Inserting Cable Strap into Cable Clamp t Step 3 Mount the cable strap to the chassis by inserting the push in barb anchor into the pre drilled hole underneath the power supply amp t Step 4 Secure the power cord with the cable clamp Flip open the cable clamp and wrap it around the power plug If necessary use the release tab to adjust the location of the clamp so it aligns with the base of the power cord as shown below Press the clip lock on the side of the clamp until it snaps into position Now the power co
17. o am oj o Figure 4 7 Hub Disabled and Switched Fabric Subsystem Connection and Operation 4 11 EonStor A24F R2224 1 Installation and Hardware Reference Manual Please note in the example shown in Figure 4 7 the channels are configured as follows Channel Settings Host CHO and CH1 Drive Via system bus through the backplane 4 DIP Switch Hub disabled Configuration Information RAID Controllers 2 Host Servers Multiple through fabric links Data Path Connection Individual data paths Host Channel Bandwidth 800 MB s Max Number of Drives 24 The onboard hub can be disabled so that individual host ports connect to individual RAID controllers e This is a SAN storage application using two 2 host channels through four 4 separate FC links from individual RAID controllers e Path bypass redundancy is provided externally by a fabric switch Depending on switch port configuration change your FC host side protocol through firmware utilities to suit the connection either to the N_ports or the NL_ports Access management software can be implemented to direct data flow through an existing host link if one of the data paths fails For the sake of simplicity the diagram above only shows single FC links More cables can be used to connect the rest of the host ports for path redundancy The precondition is that an array should also be available thr
18. or 4 to the back of the subsystem 2 12 Hardware Installation Chapter 2 Hardware Installation Figure 2 10 Attaching End Brackets to the Rear side of Enclosure Step 7 Gently slide the subsystem into the rack by aligning the tips of the end brackets with the support brackets Carefully rest the tips of the end brackets onto the support brackets and slide the chassis forward Step 8 When the chassis is inserted towards the end of the rack the recessed parts of end brackets should engage the two rivets on the support brackets Once the enclosure reaches the end proceed with securing the chassis through the front mounting holes LILLIE Figure 2 11 Installing Enclosure Step 9 Slide the subsystem in as far as it will go then secure the system using four 4 pan head screws see 5 in the packing list through the holes on the left and right side handles to both of the front rack posts Hardware Installation 2 13 EonStor A24F R2224 1 Installation and Hardware Reference Manual 5 crosshead screws 4U enclosure 5 crosshead screws ooma er jJo00000 Figure 2 12 Securing Enclosure through the Front 7 Step 10 You are done with installing the rack mounting kit and subsystem enclosure 2 8 Hard Drive Installation 2 14 2 8 1 Hard Drive In
19. or registered trademarks of their respective owners iii EonStor A24F R2224 1 Installation and Hardware Reference Manual Warnings and Certifications FCC applies in the U S and Canada FCC Class A Note 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 may accept any interference received including interference that may cause undesired operation 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 Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment WARNING Use only shielded cables to connect I O devices to this equipment You are cautioned that changes or modifications not expressly approved by the par
20. power cord plug in All three power supplies are turned on and off using a single power switch on the enclosure chassis Each PSU also comes with two 2 embedded cooling fans to provide sufficient airflow across its heat generating components and one 1 LED to indicate the PSU status A handle at the back of the PSU makes it easier to install or remove the PSU from the subsystem While a PSU may be removed while the system is still online this should only be done if the PSU has failed and needs to be replaced Introduction 1 9 EonStor A24F R2224 1 Installation and Hardware Reference Manual A retention screw on the right side of the PSU module secures the PSU to the enclosure If the PSU needs to be removed the retention screw must be removed first After installing a new PSU module make sure that the retention screw has been firmly secured The shipping package contains adjustable cable clamps that can be used to keep the power cords attached to the PSU in case the system experiences shock or vibration PSU specifications are shown in Appendix A Power Supply Safety Restrictions No of Failed PSUs Responses and Preventive Actions 1 Warning messages are issued 2 Cached data is flushed to the hard drives also depends on the Event Triggered configuration 1 settings on the firmware 3 If previously configured to the Write back mode the caching mode is automatically switched to the conservative Write through mode
21. run the EonStor subsystem with any failed PSU module for a long period of time If a second PSU module fails the subsystem will enter an idle state Subsystem Maintenance Chapter 5 Subsystem Maintenance and Upgrading 5 4 2 Replacing a PSU Module To replace a PSU please follow these steps t Step 1 Flip open the cable clamp if used and remove the power cord connecting the failed module to the main power If the provided cable clamps are used remove them Remove Power Cord Figure 5 6 Removing the Power Cord t Step 2 Remove the retention screw located on the right side of the PSU See Figure 5 7 Figure 5 7 Removing the PSU Retention Screw Subsystem Maintenance 5 9 EonStor A24F R2224 1 Installation and Hardware Reference Manual 5 10 4 a Step 3 4 Step 4 Step 5 Step 6 a a t Step 7 Remove the failed module by pressing the retention handle down until the PSU is released from the enclosure chassis See Figure 5 8 Figure 5 8 Dislodging the PSU Gently pull the PSU module out of the chassis using the retention handle Insert the new PSU module into the slot with the retention handle at its lowest position Push the PSU in until you feel the contact resistance with its back end connectors Do not use force or slam the module into place Doing so can damage the back end connectors or enclosure backplane Secure the PSU into the chassis slot Make su
22. successfully booted is active and is operating properly OFF indicates that the controller is not ready for operation Host Busy Green ON indicates that the host ports are carrying data traffic i e the host ports are busy OFF indicates that there are no activities on the host ports i e no data is being transmitted over the host buses Drive Busy Green ON indicates active I Os on the drive side OFF indicates that there are no activities on the drive side Partner Failed Amber ON indicates the partner controller has failed This LED is only functional on the A24F R2224 1 dual controller configuration OFF that the configuration is operating normally indicates dual controller Cache Dirty Amber ON indicates that data is currently cached in memory or is being held up by the BBU during a system power loss System Monitoring Table 3 2 Controller Module LED Definitions EonStor A24F R2224 1 Installation and Hardware Reference Manual 3 2 3 LAN Port LEDs The LAN port comes with two 2 LEDs As shown in Figure 3 2 one LED indicates the online status and the other indicates LAN activity The LED definitions are shown in Table 3 3 Online Status LAN Activity Figure 3 2 LAN Port LEDs LED Name Color Status Online Status Green ON indicates currently connected to LAN LAN Activity Green BLINKING indicates active transmission Table 3 3
23. temperature All the subsystem components have been acclimated to the surrounding temperature Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation 4 5 2 Power On Procedure When powering on the A24F R2224 1 please follow these steps Step 1 Power on the Fibre Channel connection devices These devices include the FC switches and any other such device that have been connected to the subsystems Please refer to the manual that came with your FC devices to see their power on procedure Step 2 Power on the subsystems that are not connected directly to the host computers if applied If you have cascaded RAID subsystems power on those enclosures before powering on the A24F R2224 1 subsystem that is connected directly to the host computer s J Step 3 Power on the A24F R2224 1 The subsystems should be powered on before the host computers To power on the subsystems please follow the description below e Using the power cords provided in the package connect all power sockets on the subsystem rear panel to the main power source e Turn the power switch on See Figure 4 9 One 1 power switch controls all PSUs Power Switch Figure 4 9 Power Sockets and Power Switch A CAUTION Although the PSUs are redundant and the subsystem can withstand a single PSU failure it is advisable to replace a failed PSU immediately The subsystem will be held in an idle state if
24. the subsystem until you have a replacement on hand If you remove a failed component without replacing it the internal airflow will be disrupted and the system will overheat causing damage to the subsystem All of the following components can be replaced in case of failure 1 RAID controller module Section 5 2 3 2 DIMM module Section 5 2 4 3 BBU module Section 5 3 4 PSU modules Section 5 4 5 Cooling modules Section 5 5 6 Hard drives Section 5 6 2 7 Host I O modules Section 5 7 Subsystem Maintenance 5 1 EonStor A24F R2224 1 Installation and Hardware Reference Manual 5 1 2 General Notes on Component Replacement All of the components on the subsystem including the RAID controllers PSU modules cooling modules and drive trays are hot swappable and can be changed while the subsystem is still in operation Qualified engineers who are familiar with the subsystem should be the only ones who make component replacements If you are not familiar with the subsystem and or with RAID subsystem maintenance in general it is strongly advised that you refer subsystem maintenance to a suitably qualified maintenance engineer Normalized airflow is directly dependent upon the presence of all subsystem components Even if a subsystem component fails it should not be removed from the subsystem until a replacement is readily at hand and can be quickly installed Removing a subsystem component without replacing
25. two PSUs have already failed in the subsystem t9 Step 4 Power on the host computers The host computers are the last devices that are turned on Please refer to the manual that came with your host computers to see their own power on procedures Subsystem Connection and Operation 4 15 EonStor A24F R2224 1 Installation and Hardware Reference Manual 4 16 4 5 3 Power On Status Check Once the subsystem has been powered on the status of the entire subsystem should be checked to ensure that all components are receiving power and functioning without complications or malfunctions O O O O Controller module LEDs The controller ready host and drive ports active LEDs should all flash green during the initialization stage Drive tray LEDs The blue LED for all the drive trays that contain hard drives should light up showing that there is power LCD panel LEDs The blue LED on the LCD panel should come on indicating that power is being supplied to the system Firmware and RAIDWatch The overall status of the system may be checked using the firmware or the RAIDWatch GUI Audible alarm If any errors occur during the initialization process the onboard alarm will sound in a hastily repeated manner Drive tray LEDs should normally start flashing indicating the RAID controller units are attempting to access the hard drives System firmware can be configured to support a delayed sequence for startin
26. 1 the workload should have been taken over by the surviving RAID controller amp t Step 3 Remove the BBU module if one has been installed Loosen the Subsystem Maintenance BBU module s spring screw and then simply retrieve it from the chassis 5 3 EonStor A24F R2224 1 Installation and Hardware Reference Manual Figure 5 1 Removing the BBU Module t Step 4 Disconnect all cables that are connected to the controller module you wish to replace These include the FC cables connecting to the host or cascaded enclosures Ethernet cables connected to the LAN port and any cables connected to the RS 232C audio jacks t Step 5 Loosen the retention screws that secure the controller s ejector levers to the enclosure chassis See Figure 5 2 Figure 5 2 Removing the Retention Screws t Step 6 Gently press both of the ejector levers in a downward motion at the same time to disconnect the controller from the back end PCB When the ejector levers are at their lowest positions the controller module will automatically be eased out of the controller module bay in the subsystem See Figure 5 3 5 4 Subsystem Maintenance Chapter 5 Subsystem Maintenance and Upgrading Figure 5 3 Removing the Controller Module amp t Step7 Carefully pull the controller module out of the subsystem chassis keeping one hand underneath to support the weight of the module 5 2 4 DIMM Module Replacement If a D
27. ER 3 SUBSYSTEM MONITORING 3 1 SUBSYSTEM MONITORING OVERVIEW cccccccsceseseeeseseseseseseseseceseseseseseseseseseeeeeeees 3 1 3 2 STATUS INDICATING LEDS ndern ivr dete Reve aevdots eed ES ewes 3 2 3 2 1 Brief Overview of the LEDS rrisin ai a AE EAEE EREA 3 2 3 2 2 Controller Module LEDS wis ccccccccccccccccssssecescecccccssssseccccecesssseseccccsscauaaesseceseess 3 3 3 2 3 EAN POTELEDS tise EE AAEE AEE E oak Ree laadt baa ee cose E cvs E 3 4 vi EonStor A24F R2224 1 Installation and Hardware Reference Manual 3 2 4 LED Keypad Pane lv rrien ei res Bath exc te Bees BU NEE te othe eB U ets 3 4 3 2 5 Drive Try LEDS x cs costes sacs R a a a e a E a e 3 5 3 2 6 BBU Module LED a e ob is EAI Daas SoS a e Bie cysts aai 3 6 3 2 7 PSU Module LED a a E S E a aa E A RE Eni 3 7 3 2 8 Cooling Mod le LED vwveccsscsseisisessugcssnssegiavannees suases saseisesedsosseaiaendeeswasscevesbeeseess 3 8 3 2 9 EGP OPES ED Six cocks ausiuan Seca EE EA see ese 3 9 3 3 AUDIBLE ALARM reee E ss itn coetnen tases sep adens eases eh ane aE aaa A EAE EEA 3 9 3 3 1 Default Threshold Values sssiisrsiiiioirsroriassrissisissiosiesrsecseisersesessrscss sssi 3 10 3 3 2 FQULCA PD EVICOS aes beset AE TEA Soa oes vate atase EAE SR een 3 10 3A 7 TC ONIFOR ING essen ie ois ee toca Gta catact ants A E A a REA 3 10 CHAPTER 4 SUBSYSTEM CONNECTION AND OPERATION 4 1 FC HOST CONNECTION PREREQUISITES 0000 ceeeeeeeeeeseeeeeeeseenseenaes 4 1 4 1 1 Choosing the Fibre Cable
28. IMM Module Each controller module comes with a preinstalled 512MB DDR RAM DIMM module mounted on the controller board within a metal chassis The controller module supports memory modules with sizes from 512MB to 2GB BBU Module Part Number IFT 9274CBTC Hot replaceable battery cell pack The Li ION BBU module shown in Figure 1 9 comes standard on A24F R2224 1 The BBU can sustain cached data for days during a power failure The use of a BBU is highly recommended in order to ensure data integrity If power outage occurs the BBU supplies power to sustain the unfinished writes in cache memory Introduction Chapter 1 Introduction Controller Top Cover a ey Figure 1 9 BBU Module Controller Top Cover and the Module Slot The BBU consists of two major parts One is the charger circuitry on the RAID controller The other is an optional BBU module that contains several battery cells By default the dual redundant controller subsystem comes with BBU modules The BBU module is hot swappable so it can be replaced while the subsystem is running 1 2 7 Power Supply Units Part Number IFT 9274CPSU The A24F subsystem is equipped with three 3 hot swappable 1U profile 405W PSU modules see Figure 1 10 The PSU modules are located on the rear panel of the subsystem Retention Handle LE la a Retention Screw Power Cord Socket LED Figure 1 10 PSU Module Each PSU module comes with a power socket for
29. IMM module fails or a DIMM module with a higher memory capacity is required the onboard DIMM module must be replaced DIMM module replacement When replacing DIMM module make sure that the subsystem is correctly powered down and disconnect all the cables connected to the controller prior to removing the controller module Procedures on replacing the DIMM module For complete illustrated instructions on how to replace a DIMM module refer to Chapter 2 Section 2 6 5 2 5 Replacing the Controller Module If the controller module has failed it must be replaced To replace a failed controller module t Step 1 Remove the BBU module if it was installed see Section 5 3 1 the controller module and then the DIMM module from the EonStor subsystem See Section 5 2 4 amp t Step 2 Install the DIMM module and the BBU module onto the new controller module amp t Step 3 Install the new controller module into the subsystem See Section 2 7 t Step 4 Re attach all the cables that were removed These include the FC cables that connect to the host or the expansion enclosures the Subsystem Maintenance 5 5 EonStor A24F R2224 1 Installation and Hardware Reference Manual Ethernet cable that was previously attached to the LAN port and any cables that were attached to the RS 232C audio jacks ee t Step 5 Power up the system Please follow the correct power up sequence that is described below 5 3
30. M Failure Indicator Via audible alarm LCD keypad panel RAIDWatch Manager session event notifications or event prompts on terminal emulation A 7 Fault Tolerance Management Specification Replacement SATA Drive S M A R T Support Yes Battery Backup Option Yes comes standard on A24F R2224 1 ISEMS Infortrend Simple Enclosure Yes Management Service via I C Interface Automatic Drive Failure Detection Yes Automatic Rebuild on Spare Drives Yes Regenerate Logical Drive Parity Yes Bad Block Reassignment Yes Automatic Rebuild upon Failed Drive Yes Manual Clone of Suspected Failed Drive Yes Concurrent Rebuild on Multiple Drives in a RAID 0 Logical Drive a RAID 0 1 Logical Drive Nes Salvage the 2 Temporary Failed Drive Yes in a RAID 1 3 5 or 6 Logical Drive Salvage the 1 Temporary Failed Drive in Yes Specifications A 5 EonStor A24F R2224 1 Installation and Hardware Reference Manual This page is intentionally left blank A 6 Specifications Appendix B Uninterruptible Power Supply Appendix B Uninterruptible Power Supply B 1 Uninterruptible Power Supply Overview An uninterruptible power supply UPS is a separately purchased battery backup unit that can be connected to an Infortrend subsystem If the UPS is sufficiently charged it can power the whole subsystem in the event of an AC power failure allowing the RAID subsystem to safel
31. Replacing a Failed BBU Component 5 3 1 Replacing the BBU Module mn G NOTE When replacing a BBU in a single controller model the whole subsystem needs to be powered down Therefore when replacing a failed BBU you should carefully select the time at which the replacement will be made to minimize the overall disruption to the service A CAUTION e Install or replace the BBU with BBUs supplied by your subsystem vendors only Use of battery cells from another source will void our warranty e Always dispose of discharged or used batteries in an ecologically responsible manner Dispose of used BBUs at authorized disposal sites only e Do not use nor leave the BBU near a heat source Heat can melt the insulation and damage other safety features of battery cells possibly causing it to leak acid and result in flames or explosion e Do not immerse the BBU in water nor allow it to get wet Its protective features can be damaged and abnormal chemical reactions may occur possibly causing functional defects acid leak and other hazardous results e Do not disassemble or modify the BBU If disassembled the BBU could leak acid overheat emit smoke burst and or ignite e Do not pierce the BBU with a sharp object strike it with a hammer step on it or throw it against a hard surface These actions could damage or deform it and internal short circuiting can occur possibly causing functional defects acid leak and other hazardous res
32. T 9270CFCCab01 IFT 9270CFCCab02 or IFT 9270CFCCab03 from your subsystem vendor These cables have been tested and proved compatible with your A24F subsystems The Fibre host ports connect to Fibre Channel host adapters HBA that features a 2Gbps transfer rate SFP interface and support for full duplex transfer best capable of 64 bit 133MHz PCI X operation A WARNING All Fibre cables are sensitive and must be handled with care To prevent interference within a rack system the cable routing path must be carefully planned and the cables must not be bent Subsystem Connection and Operation 4 1 EonStor A24F R2224 1 Installation and Hardware Reference Manual 4 2 4 1 2 FC Lasers A CAUTION Lasers can be hazardous and may cause permanent eye damage and therefore must be treated with respect and used with caution Never look at lasers without knowing that they are turned off Wavelengths The lasers on fiber optic cables emit either short wave SW beams 770nm 860nm or long wave LW 1270nm 1355nm beams Cables using either of these wavelengths can be used Laser types Two 2 types of laser devices can be used in FC cables Optical Fibre Control OFC and non OFC lasers The OFC lasers are high powered and can be used over long distances Safety features Due to their high power output OFC lasers usually come with a safety mechanism that switches the laser off as soon as it is unplugged Although non OFC lasers
33. TRAY SPECIFICATIONS 0 ccccccccccccccccccccecesecesesesecsesescecsseseceseseeeeees A 3 A 4 POWER SUPPLY SPECIFICATIONS 0 0 0 cc cccccccccccccccceseseseseceseseseseeesessseeeeeeees A 4 A 5 COOLING MODULE SPECIFICATIONS cc ccc cccccceccseseceseseseseseseseseseseeees A 4 A 6 RAID MANAGEMENT ennari enee taie E E E A EEE A 4 A 7 FAULT TOLERANCE MANAGEMENT 0 ccccccccccccccecececeseceseseseseseseseeseseeeees A 5 APPENDIX B UNINTERRUPTIBLE POWER SUPPLY B 1 UNINTERRUPTIBLE POWER SUPPLY OVERVIEW cccccccccccccccecccceeceescscscscsssceseeseeeees B 1 B 2 COMPATIBLE UPS SUPPLIES niea a a A B 1 B 3 SERIAL COMMUNICATION CABLES ccccccccccecececesecesececececeseseseseceseseeesseseessseeesenes B 1 B 4 CONNECTING THE UPS TO THE SUBSYSTEM ccccccccececesecececesesecesecesessssessseseeseeees B 2 B 4 1 Connect the PSU Module Power Cords ccccccccccccssssseeseccccccsssseccececcesessanense B 2 B 4 2 Set the Baud Rates eaaa Bos RE IR B 2 B 4 3 Connec EC OM Dpto SES E eh ot E a E AGEs B 2 Bos POWER ON 2ei2icos 2538 Rat e esc Re hvois haere tel cabas cas ines Beate ee tet E B 3 B 6 UPS STATUS MONITORING cccccccccccccecccecesecesecececesesesececececssssecssesessssesssessseesanees B 3 B 6 1 Normal Operational Status ccccccccceceeccesscesecesecesecnsecaeeeseeeseessesseeeseeneenaes B 4 B 6 2 UPS Messa 68 ocnt napetie natania iane i a aE EE aaia i araea B 4 B 6 3 UPS Message SUMMATY irissat sareti serskipan iri
34. Y WY NO e CTS Ke NC Pin 4 and Pin 6 are shorted Pin 7 and Pin 8 are shorted Table D 2 RS 232C Audio Jack Pinouts Definitions Pinouts D 3 EonStor A24F R2224 1 Installation and Hardware Reference Manual D 4 D 2 2 COM2 Serial Port Cable to UPS COM2 Cable Use this cable to connect the COM2 port to a UPS Part Number IFT 9270CUPSCab Figure D 3 COM2 Cable CN1 and CN2 Connectors CN1 Pin Number Pin Name 1 Ground 2 TXD 3 RXD CN2 Pin Number Pin Name TXD RXD NA NA NA NA NA NA O CO ND TJ BY W WN e Ground Table D 3 COM2 Cable CN1 and CN2 Pinouts Definitions Pinouts Appendix D Pinouts D 3 Null Modem A null modem is used for wire swap and is necessary for connecting COM1 CN2 to a PC serial port PN IFT 9011 Figure D 4 Null Modem Pin Outs Swap pin 2 and pin 3 Swap pin 4 and pin 6 Swap pin 7 and pin 8 Table D 4 Null Modem Pin Outs Pinouts D 5 EonStor A24F R2224 1 Installation and Hardware Reference Manual D 4 Ethernet Port Pinouts 87654321 Figure D 5 Ethernet Port Pinouts Pin Pin Name Pin Pin Name 1 LAN_TXP 5 N2 2 LAN_TXN 6 LAN_RXN 3 LAN_RXP 7 N1 4 N2 8 N1 Table D 5 Ethernet Port Pinouts D 5 Main Power IEC type receptacle D 6 Pinouts
35. ackage contents against the Unpacking List Memory modules If you wish to change the pre installed memory modules the separately purchased modules must be installed See Section 2 6 2 Hard drives SATA hard drives must be purchased separately prior to installing the subsystem See Section 2 7 Cabling All optical FC cables and SFP transceivers are user supplied and should be purchased separately See Section 4 2 1 Rack installation The enclosure chassis can be installed into standard 19 inch wide rack cabinet using self purchased mounting rails or Infortrend s IFT 9274Cslider32 or IFT 9274Cslider36 slide rails Hardware Installation 2 1 EonStor A24F R2224 1 Installation and Hardware Reference Manual 2 3 Static free Installation Static electricity can damage the system s electronic components Most of the subsystems that are returned for repair are the result of improper installation and ESD damage To prevent ESD damage follow these precautions before touching or handling any of the components When installing the subsystem you should wear an anti static wrist band or touch a grounded metal surface to discharge any static electricity from your body Avoid carpets plastic vinyl and Styrofoam in the work area Handle all components by holding their edges or metal frame Avoid touching PCB boards or connector pins 2 4 General Installation Procedure 2 2 Detailed illustrated instruction
36. aias ii Eiras B 5 APPENDIX C SPARE PARTS AND ACCESSORIES D E I 9 8 i A i Y KEE EE EEE E EET AEE E ES C 1 C 2 ACCESSORIES AND OPTIONAL ITEMS ccccccccccecececesesecececececeseeeeesesesessessesssseeseeees C 2 APPENDIX D PINOUTS D 1 SFP CONNECTOR PINOUTS 0 ccccccccccccccccscsesesesesesesesesesesesesesssesssesssssesssssesseseseseas D 1 D 2 DBI AUDIO JACK PINOUTS cccccccccccccccccesececesesesesesesesesesesesesessesssseseseseseussseeeseees D 3 D 2 1 COMI Serial Port CGD esc cote ec esee vi ate Ae RR cee es iad D 3 D 2 2 COM Serial Port Cable to UPS ccccccccccccccssssccccccccccssssecsecccccsussaseseeccceseusenense D 4 1 3 NULE MODEM eepeccts scieccacecccns ths e ack a cite eetec een aaah abcess D 5 D 4 ETHERNET PORT PINOUTS 0 ccccccccccccccccesecesesesesesecesesesesesesessssseseseseuessesessseseseaeaes D 6 BSa MANPOWER rc cseetcs titrate bevtsetst eon homes Atte a a a Beast Anite ban ached ae el D 6 viii EonStor A24F R2224 1 Installation and Hardware Reference Manual Safety Precautions Precautions and Instructions Prior to powering on the subsystem ensure that the correct power range is being used This EonStor subsystem comes with twenty four 24 drive bays Leaving any of these drive bays empty will greatly affect the efficiency of the airflow within the enclosure and will consequently lead to the system overheating which can cause irreparable damage If a module fails leave it in place unti
37. also important that any transceiver you use meets the FC performance and reliability specifications g NOTE SFP transceiver modules must be purchased separately You may also purchase the SFP transceivers from your EonStor subsystem vendor distributor 4 2 Topology and Configuration Considerations 4 2 1 Basic Configuration Rules When you are configuring your A24F R2224 1 the following are some basic rules that should be followed W NOTE Please adhere to these basic configuration rules They are provided for your convenience to ensure that your storage system will run smoothly and effectively e When selecting the number of hard drives to be included in a logical configuration the transfer rates of host ports and the mechanical performance of the hard disks should be considered e Follow all the Fibre Channel specifications when cabling Pay attention to signal quality and avoid electronic noise from adjacent interfaces e The disk drives in the same logical array should have the same capacity but it is preferred that all the drives have the same capacity e A spare drive should have a minimum capacity equivalent to the largest drive that it is expected to replace If the capacity of the spare is less than the capacity of the drive it is expected to replace then the controller will not proceed with the failed drive rebuild Subsystem Connection and Operation 4 3 EonStor A24F R2224 1 Installation and Hardware Refer
38. arm will be triggered RAID controller module Cooling modules PSU modules BBU modules Hard drives Temperature sensors 3 4 C Monitoring The PSUs cooling modules temperature sensors and disk drive failure outputs are monitored through an IC serial bus If any of these modules fails you will be notified through the various methods described above 3 10 System Monitoring Chapter 4 Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation This chapter outlines some basic rules you should follow when configuring a storage system and introduces basic information about how to connect the cabling and design a topology for the A24F subsystems You can follow these sample topologies or use them as a guide for developing your own unique topologies A complete description of the power on and power off procedures is also given in this chapter 4 1 FC Host Connection Prerequisites 4 1 1 Choosing the Fibre Cables The Fibre Channel standard allows for both copper and optical connections Copper cable is cheaper but limited to lengths of less than 30m Optical cable can be used over longer distances and have been shown to be more reliable To meet the demands of high data transfer rates short wavelength optical cables are preferred for 2Gbps Fibre connectivity Optical cables are also less susceptible to EMI Fibre cables need to be purchased separately You may order Infortrend s Fibre cables IF
39. ate The default baud rate for the COM2 serial port is 38400 and must be changed to 2400 or other rate as specified by the UPS specifications To see how to change the baud rate please refer to the FC to SATA RAID Subsystem Operation Manual that came with the subsystem Connect COM2 The separate audio jack to DB9 serial cable connects the COM2 ports on the controller modules to the UPS directly The cable transmits UPS status updates to the controller modules and will in turn determine the write policy of the controller module To connect the serial communication cable to the subsystem controller insert the audio jack connector on one end of the cable into the COM2 port on the controller module To see how to connect the DB9 connector to the UPS please refer to the documentation that came with your UPS Figure B 2 Connecting the UPS to the Subsystem Uninterruptible Power Supply Appendix B Uninterruptible Power Supply B 5 Power On When powering on the subsystem the UPS must be powered on before the subsystem To see how to power on the UPS please refer to the documentation that came with your UPS Note that the power on sequence described in Chapter 4 will be altered The power on sequence when a UPS is connected is shown below AA t Step 1 Power on the network connection devices including FC switches Bypass this step if you are using a SCSI host subsystem amp t Step 2 Power on any expansion cascaded enclosure
40. be considered when purchasing replacement DIMM modules DDR DIMM modules supported The subsystem supports DDR RAM DIMM modules with memory capacities from 512MB to 2GB Installation considerations When installing the DIMM module it is necessary to handle the controller module The controller board is more susceptible to damage than the other components and must therefore be handled with extreme care ALL anti static precautions specified in Section 2 3 must be strictly adhered to Secure installation When replacing the DIMM module make sure that the new DIMM module is firmly in place prior to installing the controller module If the DIMM module is not firmly in place the subsystem will not run and the controller will need to be removed and the DIMM module correctly installed Purchasing considerations When purchasing a DDR DIMM to install on the controller board contact your system vendor for an adequate module 2 6 3 DIMM Module Installation Replacement Hardware Installation 2 5 EonStor A24F R2224 1 Installation and Hardware Reference Manual 2 6 A WARNING L Consult the technical support department of your reseller or distributor if you are not sure which memory module can be installed into the controller The installed BBU and controller module must be removed prior to installing a new memory module Do this with care Sensitive components can be damaged during the process The BBU module is ho
41. ce the SATA hard drive into the drive tray See Figure 2 13 Make sure the hard drive is oriented in such a way that the drive s SATA connector is facing the back of the drive tray SATA connector 7 on the MUX kit Figure 2 13 Installing a SATA Hard Drive amp t Step2 Adjust the drive s location until the mounting holes in the drive canister are aligned with those on the hard drive Secure the drive with four 4 supplied 6 32 flathead screws See Figure 2 13 A WARNING Only use screws supplied with the drive canisters Longer screws may damage the hard drives Hardware Installation 2 15 EonStor A24F R2224 1 Installation and Hardware Reference Manual 2 9 Drive Tray Installation Before drive tray installation you need to access the drive bays on the left and right side columns To access drive bays on the left or right side column first flip the retention latches on the enclosure front handles and then swing the handles to the left and right hand sides To close the handles see Figure 2 14 first swing the handles towards the center to reveal the retention latch flip the latch and then proceed with closing the handles Figure 2 14 Closing the front handles Install the drive trays into the subsystem once the hard drives have been installed in the drive trays amp t Step 1 Make sure the key lock is in the unlocked position i e the groove on its face is i
42. ction 4 8 Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation Channel Settings Host CHO and CH1 Drive Via system bus through the backplane 4 DIP Switch Hub enabled Configuration Information RAID Controllers 2 Host Servers 1 Data path Connection Dual data paths Host Channel Bandwidth 400 MBps Max Number of Drives 24 This is a direct attached configuration showing one 1 host connected to one 1 RAID subsystem Drives in the enclosure can be configured into one or more arrays and made available through individual host ports Operating system s might boot from the array Operating using a protected capacity decreases the chance of server downtime The logical arrays can be associated with different host IDs on separate host channels so that if one cable link fails the host can still access the arrays through another channel link File locking or access management utilities will be necessary to avoid access conflicts Depending on I O characteristics each configured array should be properly optimized either for Random or Sequential I Os Multiple logical drives or multiple partitions can be created and made available separately through different ID LUNs on the host ports 4 4 2 Dual Path Redundant Connection This is a high availability configuration centered around two 2 clustered host servers each with two 2 single ported HBA
43. ctors clips on the sides of the DIMM socket Grasp the DIMM module by its edges and pull it out of the socket without touching the electrical components nearby Place the module in an anti static bag Retention Clip DIMM Socket Retention Ejector Levers Clip Figure 2 4 Accessing a DIMM Module Install the replacement DIMM module Carefully remove the replacement module from its anti static bag Grasp the module by edges Make sure the white plastic ejectors on the sides of DIMM socket are open Carefully align the DIMM module to the socket Pressing firmly on both ends push the module into the socket until the ejectors return to the closed position EonStor A24F R2224 1 Installation and Hardware Reference Manual Step 6 Install the controller and the BBU module if installed Proceed with the following to install the controller 1 Insert the controller into the respective module slot with the ejector levers at the lowest position Push the controller in until you feel contact resistance with its back end connectors Use the ejector levers on the sides to secure the controller into the chassis slot Make sure the squared notch of the ejector levers locks onto the metal groove on the interior sides of the module slot Once in place pull the ejector levers in an upward motion to secure the controller Insert and fasten the retention screws underneath each ejector lever to secure the modules Afte
44. de one or right side one Each I O module connects to one host channel and is configured with four 4 2Gbps Fibre Channel ports that receive 2Gb speed SFP transceivers SFP transceivers are user supplied items You can order Infortrend SFP transceivers IFT 9270CSFP2GA01 from your subsystem vendor Optical short wavelength cabling devices are recommended for connecting these host ports The I O modules have bypass circuits that link the same channels channels 0 and 1 on a controller pair together The onboard bypass hub can also be disabled to allow the host channels from different RAID controllers to be separately connected The bypass circuits ensure loop integrity in a multi host and multi path configuration In the event of RAID controller or FC link failure application servers can access the array through the surviving link and to the surviving RAID controller In a configuration of cascaded subsystems the host ports can also be used to connect redundant data paths to withstand single link failure 1 12 Introduction Chapter 1 Introduction 1 2 10 Enclosure DIP Switch b em er y tooo e o o o L 00 LIe o O o e o TET a a g0 o v Tosa a S omo 32 3 DOZ 2 Z Ss a o x a g B g z 2 oO Figure 1 13 Enclosure DIP Switch A DIP switch is located on the upper left corner of enclosure rear panel above the cooling module The six 6 switch
45. de rails for 24 to 32 deep racks DDRESCM5 512MB DDR RAM DIMM module for ASIC266 platform DDRESCMA 1GB DDR RAM DIMM module for ASIC266 platform DDRESCMB 2GB DDR RAM DIMM module for ASIC266 platform Table C 3 Separately Purchased Accessories Spare Parts and Accessories EonStor A24F R2224 1 Installation and Hardware Reference Manual This page is intentionally left blank C 4 Spare Parts and Accessories Appendix D Pinouts Appendix D Pinouts D 1 SFP Connector Pinouts Each of the SFP host or expansion ports is comprised of a case bottom an EMI case and a 20 pin host connector These port sockets receive Small Form Factor Pluggable SFP fiber optic and copper based transceivers Contact Infortrend s technical support department for an updated list of SFP transceiver modules that have been tested to comply with the sockets The pinouts are shown in Figure D 1 and their definitions are shown in Table D 1 B veer P rxFauk P Tx Disable E Mop vEFQ B Mop vEFa pe MOD DEF 0 I Rate Select E Los P veer P veer Figure D 1 SFP Connector Pinouts Pinouts D 1 EonStor A24F R2224 1 Installation and Hardware Reference Manual Pin Pin Name Pin Description 1 VEET Transmitter ground common with receiver ground 2 TEAULT Transmitter fault not supported 3 T Transmitter disable laser output disabled on high or DIS op
46. e Reference Manual Figure 2 18 Drive Tray Key lock Rotation A WARNING All the drive trays must be installed into the enclosure even if they currently do not contain a hard drive If the drive trays are not installed then the ventilation required for cooling will not be normalized and the subsystem will be damaged 2 10 Power Cord Cable Clamp Installation 2 18 2 10 1 Several cable clamp assemblies are included in the accessories boxes in the A24F shipping package When installing the subsystem it is recommended to secure all power cords using these cable clamps to help prevent accidental disconnection of power cords that could result in costly down time Component Description Each cable clamp consists of the following 1 A cable strap with a push barb anchor mount 2 An adjustable cable clamp The cable strap is secured to the chassis by inserting the barb anchor into the pre drilled hole located under each power supply module The cable clamp is then secured to the cable strap and is wrapped around the power cord to hold the subsystem s power plug in place to ensure that the power cord connection can withstand shock vibration and accidental impact Hardware Installation Chapter 2 Hardware Installation Cable Clamp Push Barb anchor oo Release Tab Cable Strap Figure 2 19 Cable Clamp and Cable Strap Cable Mount 2 10 2 Cable Clamp Installation t Step 1 Connect a power
47. ears when the COM port link to a UPS has just been established Message 3 Warning UPS AC Power Loss detected This message appears when the UPS battery power level remains above 50 but its connection to the AC power source has been disrupted Message 4 Warning UPS Battery Low 50 Please shut down to protect data loss This message appears when the UPS battery power level has dipped below 50 of its charge capacity and the UPS has either been disconnected from the AC power source or the AC power source has been disrupted If the event triggered configuration has been enabled arrays using write back caching will be forced to adopt the write through mode When the UPS battery is restored to its full charge the original array operating mode will be restored Message 5 Warning UPS Battery Low 50 This message appears when the UPS battery power level has dipped below 50 of its capacity The default write policy will be changed from the default write back to write through Message 6 UPS Battery restored to safe level This message appears when the UPS battery power level has been restored to above 50 of its capacity The original array write policy will be restored Message 7 UPS AC Power Restored This message appears when AC power to the UPS has been restored If the UPS battery power level is below 50 the write policy will remain as write through If the battery power level is above 50 the wri
48. ees eeeeeecesecnsecnaeeaeens 4 8 4 4 2 Dual Path Redundant Connection ccccccsccscesccesesscssecssesecnseeecuseeeceseeseesecaeeeeeeseees 4 9 4 4 3 Hub Disabled and Switched Fabric Connection csccscsecssesssesecseeneesecneesecneeees 4 11 44 4 Daisy CHAINiNg nanea adios inte tetas Ea EE EAE EEE E EE EE EES 4 12 4 5 POWER ON eseese eeens eee esti AE EEEE EEEa OAO Ea i RESENO EE 4 14 FADED CHECK LAST AAE EEEE A E AE EAE 4 14 43 2 Power On PLOCEAUIE voice cts oo cada en E KERT AES EOE SKEE DRS KE nET 4 15 4 5 3 Power On Status Check cccescesscesccesecesecnsesneecnsscnssonssensesseesseesseesecesessaeenseeessaes 4 16 BD ATC DS CTC vu tstas su seuss accesses tushwade se castes saab uma teak cea theeents tuiig ask ob ease E STERA ETSER 4 17 4 6 POWER OFF PROCEDURE e a eeaeee a e A ip iE NEE TESE 4 18 CHAPTER 5 SUBSYSTEM MAINTENANCE 5 1 INTRODUCING SUBSYSTEM MAINTENANCE AND UPGRADING 5 1 5 1 1 M intenante ngresep aep ated erein aaee eaan eieae pesinee 5 1 5 1 2 General Notes on Component Replacement 5 2 5 2 REPLACING CONTROLLER MODULE COMPONENTS oseere 5 2 5 2 1 Overview a es ats E ted sdb E E A ae aE eaea e a 5 2 5 2 2 Notes on Controller Module Maintenance nossos 5 3 5 2 3 Removing the Controller Module c cccesccesccesecsseerseesecnseeaceeseeseeeeeeeneenseenaes 5 3 5 2 4 DIMM Module Replacement c cccscssccsseescssessceseeeesecuceescuseeceuseeeceseeaseseenaeaes 5 5 5 2 5 Replacing the Controller Module
49. en 4 MOD_DEF 2 Module definition 2 data line for serial ID 5 MOD_DEF 1 Module definition 1 clock line for serial ID 6 MOD_DEF 0 Module definition 0 grounded within the module 7 Rate Select No connection required Indicates loss of signal logic 0 indicates normal 8 LOS operation 9 VEER Receiver ground common with transmitter ground 10 VEER Receiver ground common with transmitter ground 11 VEER Receiver ground common with transmitter ground 12 RD Receiver inverted DATA out AC coupled 13 RD Receiver non inverted DATA out AC coupled 14 VEER Receiver ground common with transmitter ground 15 Vecr Receiver power supply 16 Vecr Transmitter power supply 17 VEET Transmitter ground common with receiver ground 18 TD Transmitter non Inverted DATA in 100 ohm termination between TD and TD AC coupled thereafter 19 TD Transmitter inverted DATA in See TD 20 VEET Transmitter ground common with receiver ground D 2 Table D 1 SFP Pin Out Definitions Pinouts Appendix D Pinouts D 2 DB9 Audio Jack Pinouts D 2 1 COM1 Serial Port Cable Part Number IFT 9270AYCab Figure D 2 RS 232C Audio Jack Pinouts The COM1 Y cable connects the two COM1 ports on redundant RAID controllers to a PC running terminal emulation program CN1 Pin Number Pin Name Ground TXD RXD CN2 Pin Number Pin Name NC RXD TXD DTR GND DSR RTS Co NIT DV My B
50. en replacing the controller module these components can be removed and used on the new controller module if they are functioning normally When replacing the controller module you must remember that the controller board is one of the most sensitive components in the subsystem All previously stipulated safety precautions see Chapter 2 must be strictly adhered to Failure to adhere to these precautions can result in permanent damage to the controller board resulting in timely delays 5 2 3 Removing the Controller Module A WARNING L Consult with your reseller s or distributor s technical support department to confirm which memory module can be installed into the controller module The installed BBU and controller module must be removed prior to installing new memory modules Do this with care Sensitive components can be damaged during the process The BBU is hot swappable and can be independently swapped from the controller However as a safety precaution and in case your memory still holds cached data it is recommended to remove the BBU before handling the DDR RAM module If the BBU is supplying power to the memory when the DDR module is being removed damage will occur To remove the controller module amp t Step 1 Prepare a clean static free work pad on which to place the controller that will be removed from the chassis amp Step 2 If working on the dual controller A24F R2224
51. ence Manual 4 4 4 2 2 Fibre Channel Topologies The Fibre Channel standard supports three 3 separate topologies point to point Fibre Channel Arbitrated Loop FC AL and fabric switch e Point to Point Point to point topology is the simplest topology that can be used It is a direct connection between two 2 Fibre Channel devices e FC AL This is the most common topology currently in use The Fibre Channel devices are all connected in a loop and each device is assigned an arbitrated loop physical address AL_PA FC AL supports 124 devices in a single loop e Fabric The fabric topology supports up to 2 Fibre Channel devices This topology allows many devices to communicate at the same time A Fibre switch is required to implement this topology 4 2 3 Host side Topologies In a configuration designed for high data availability the primary concern for host side topologies is to avoid points of failure It is therefore recommended that the host side be connected to at least two 2 HBAs It is also preferable to connect the RAID subsystems to the host computer s through a Fibre switch The A24F subsystems come with onboard hub In a directly attached application this onboard hub feature saves you the cost of a FC switch g NOTE To create dual redundant data paths on the host side it is necessary for third party failover software to be installed on the host computer 4 2 4 Drive side Topologies Each SATA drive is co
52. es 1 8 1 2 5 PMM ModE e a E aE e E TE enaa 1 8 1 2 6 BBU M d le RPP 1 8 1 2 7 Power SUpply UNIS enirere AEE EEE sip E RANEE 1 9 1 2 8 Cooling Modules ieee aa E E EEEE EEEE S 1 10 1 2 9 Host VO Mod les siesena dn d iidne ieie aE 1 13 L240 CEnGlosure DIP Swit hiccssccccacccccccaccsacvenvavececacdvscachsavececsectocacasatedecscerecachaanececoes 1 14 1 3 SUBSYSTEM MONITORING ccceccccccececsessscecececeesensecesecececsesssaeeeeececeessaeceeeeeeseneas 1 13 1 3 1 A2ZC DUS AEE E EE EEE EEE ETE E EAE EE E EE 1 13 1 3 2 VEH BD OE KAEA AE EAEE E EEE AEE EE 1 14 1 3 3 Firmware and RAIDWatch GUI iiccccccccsesesssesesseesesesssessssssssssssssesssessssssseees 1 14 1 3 4 AUGIDICALOIM ovcicins ccessens custsensceceaeds tues vanecwengensdestaensagadietoceeatonsapdessestheocseevecess 1 14 1 4 HOT SWAPPABLE COMPONENTS ccessesssceecceceessnsecececececsesnsaececececeessaeceeeeeceenens 1 15 1 4 1 Hot swap Capabilities cscccsicisscasieiscestcosscessennioestessicuasesebsestestisesoepebensbesdbseaes 1 15 1 4 2 COmMPpOneniS siessen inis a oaasi eS E EA aE EASES REE Seii 1 15 1 4 3 Normalized Airflow ccicccsscsssccsscsasseadisascecinst ssucoancbentaassasnabigevtestssesdepsseesaeseaeesss 1 15 CHAPTER 2 HARDWARE INSTALLATION 2 1 INSTALLATION OVERVIEW erea ree eeste ea ip N E 2 1 2 2 INSTALLATION PRE REQUISITES seserseeseerersreressesererererrersrerersenerererereresesee 2 1 2 3 STATIC FRFF NSTALLATI O N e eneee ea e ea a o ENKE EE EESE noes 2
53. es marked from to 3 and 6 to 8 are reserved The switches marked 4 and 5 are for adjusting Fibre Channel link speeds and enabling disabling the internal hub bypass functionality The configuration options for setting the DIP switch is fully discussed in Section 4 3 1 3 Subsystem Monitoring 1 3 1 The A24F RAID subsystem comes with several monitoring methods to give you constant updates on the status of the system and its individual components The following monitoring features are included in the subsystem I2C bus The following subsystem elements interface to the RAID controller over a non user serviceable I C bus Disk drives drive failure output PSU modules Cooling modules Temperature sensors Introduction 1 13 EonStor A24F R2224 1 Installation and Hardware Reference Manual 1 3 2 LED Indicators The following active components all come with LEDs that indicate the status of the individual component RAID controller 5 LEDs LCD keypad panel 3 LEDs Cooling module 2 LEDs PSU module 1 LED Drive tray 2 LEDs BBU module 1 LED 1 3 3 Firmware and RAIDWatch GUI Firmware The firmware FW is pre installed software that is used to configure the subsystem The FW can be accessed through either the front panel LCD keypad or a terminal emulation program that is installed on an external computer application server used as a management station RAID Watch RAIDWatch is a pre
54. ess may cause unrecoverable errors and system down time Always consult technical personnel before proceeding with any firmware upgrade g NOTE The firmware version installed on your system should provide the complete functionality listed in the specification sheet user s manual We provide special revisions for various application purposes Therefore DO NOT upgrade your firmware unless you fully understand what a firmware revision will do xii Chapter 1 Introduction Chapter 1 Introduction 1 1 Product Overview 1 1 1 Product Introduction This hardware manual briefly introduces the EonStor A24F R2224 1 24 bay 2Gbps Fibre to Serial ATA SATA RAID subsystem as shown in Figure 1 1 Figure 1 1 EonStor 24 bay SATA RAID Subsystem The EonStor A24F R2224 1 RAID subsystem is handled by dual redundant Fibre to SATA RAID controllers IFT 84AF22RD24EMS The subsystem has two 2 2Gbps Fibre host channels that are interfaced through eight 8 separate SFP ports four per channel The additional SFP ports facilitate connection to cascaded enclosures HBAs on the application servers or Fibre Channel networking devices such as a switch The onboard SATA chips provide twenty four 24 3Gbps SATA drive channels each dedicated to the connection of a SATA disk drive Each controller board comes with a pre installed 512MB DDR RAM DIMM module and can support memory modules with the capacities up to 2GB EonStor A24F R2224 1 is desi
55. failed server By associating an array with IDs on two host buses every host bus has all mapped IDs Most multi pathing or access management software running on clustered servers should be able to manage the access to these IDs e If Controller A fails Controller B will take over to eliminate any downtime for high availability applications e Operating system s might boot from the array Operating using a protected capacity decreases the chance of server downtime Each server may use separate capacity volumes or share volumes using file locking or access management utilities e Depending on I O characteristics each configured array should be properly optimized either for Random or Sequential I Os e You may also partition a logical capacity into two or more volumes and let each server access separate volumes 4 4 3 Hub Disabled and Switched Fabric Connection With hub disabled the individual host channels from individual RAID controllers are connected to a switched fabric network This can apply to applications using the RAID subsystem as a secondary storage where controller and path redundancy may not be the requirements More cable links can be used to connect redundant FC links from each controller to a switched fabric for ensured availability SAN Network switch Ctrl A CH1 Ctrl A CHO Ctrl B CH1 Ctrl B CHO A24F R2224 1 CH1 P lS 5 O 00 5 B o CI C 00 a
56. figuration Client or Notification Process Center NPC sub modules to keep you informed over a variety of communications methods such as fax pager email etc For further details on the installation and operation of RAIDWatch please refer to the RAIDWatch User s Manual LEDs Device status indicating LEDs are placed on all of the active components to inform users of the integrity of a given component You should become familiar with the different LEDs and be aware of their functions Audible alarm The audible alarm on the subsystem controller board will be triggered if any of a number of threatening events occurs These events usually jeopardize the functional and operational integrity of the controller board and must be heeded at all times Events such as a breach of the temperature threshold will trigger the alarm and if an onsite subsystem manager is present EonStor A24F R2224 1 Installation and Hardware Reference Manual the manager should use either the LCD keypad panel or a PC running terminal software to determine the cause of the alarm and take the appropriate corrective measures IC The I C bus monitors the operational integrity of the cooling fan temperature sensors and PSU modules present not present ready failed etc Subsystem monitoring is a necessary part of subsystem management When failure events or other disruptive events are detected and reported the subsystem manager must take appropriate action
57. g drives Please consult your FC to SATA RAID Subsystem Operation Manual for more details g NOTE The subsystem has been designed to run continuously If a component fails the fault can be corrected online Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation 4 5 4 LCD Screen When powering on the subsystem the following messages should appear on the front panel LCD screen Wait for the front panel LCD to show READY or No Host LUN before the host boots up Model Name Status Data Transfer Indicator Figure 4 10 The LCD Start up Screen The LCD screen startup sequence is shown and described in the sequence below Initializing This screen appears when the PSUs are Please Wait turned on This screen appears when the subsystem Power on Self Test Please Wait is testing the integrity of the firmware and hardware components Power on Self This screen appears after the self test is Test Completed completed A24F R2224 1 This screen shows the memory size If 512MB RAM Wait properly initialized the subsystem should correctly indicate the memory size now A24F_ R2224 1 System is ready You can now start to No Host LUN configure the subsystem Subsystem Connection and Operation 4 17 EonStor A24F R2224 1 Installation and Hardware Reference Manual 4 6 Power Off Procedure To power off the EonStor subsystem please follow these steps g NOTE W
58. gned in a custom ASIC for RAID 6 acceleration That is EonStor A24F R2224 1 RAID subsystem allows two 2 drives failure at the same time when its configuration is RAID 6 This generates a higher redundant level of data integrity On this system the RAID level 6 and 60 are both ready for end users The controller module is accessed through the rear of the subsystem Host channels from the dual redundant controllers are routed through a common backplane to the eight 8 SFP ports on two 2 separate host I O modules Two 2 RS 232C audio jack serial port connectors are located on the controller module faceplate on the rear of the subsystem One serial port COM1 enables serial Introduction EonStor A24F R2224 1 Installation and Hardware Reference Manual communication between the controller and an external PC running terminal emulation software that can be used to configure and manage the RAID subsystem The second serial port COM2 can be used as signal lines to an uninterruptible power supply UPS See Appendix B An RJ 45 Ethernet connector allows for telnet access and web based management of the subsystem using the included RAIDWatch Manager software T O signals commands transmitted between the RAID controller and the disk drives in the front section of the subsystem pass through a non user serviceable backplane The passive backplane receives a maximum of twenty four 24 hard drives that you purchase separately and install into
59. harger circuit will enter a low power and self protection state You may correct the faults when receiving a BBU Thermal Shutdown Enter Sleep Mode event message 1 Check proper ventilation within the subsystem You may also check the readings from other sensors within the enclosure Airflow might have been disrupted by the absence of one or several major modules or the failure of a cooling fan Once the thermal condition is improved charging will resume automatically 2 If anew battery module has been charged for over seven 7 hours and this event is issued you may remove and re install the battery module An empty battery module may take more than 7 hours to be fully charged There is a timer embedded with the charger doing so can reset the timer Charging will resume automatically PSU Module LED Each PSU module has one 1 LED located just above the power switch and just below the retention screw to indicate the operational status of the PSU module See Figure 3 6 Please refer to Table 3 7 for PSU LED definitions System Monitoring PSU LED Figure 3 6 PSU Module Rear LED EonStor A24F R2224 1 Installation and Hardware Reference Manual Color Status Static Green The PSU is operating normally and experiencing no problems Static Red The PSU has failed and is unable to continue providing power to the subsystem Blinking The PSU is not turned on This LED blinks green when the Green po
60. he EonStor subsystem with a single cooling module for a long period of time If the second cooling module fails the system is at risk of sustaining irreparable damage 5 5 2 Replacing a Cooling Module To replace a cooling module please follow these instructions t Step 1 Remove the cooling module by pressing the slide lock on the side of the module towards the center of the chassis and then pulling the module out of the chassis See Figure 5 9 Figure 5 9 Removing the Cooling Module Subsystem Maintenance 5 11 EonStor A24F R2224 1 Installation and Hardware Reference Manual 7 Step 2 Gently slide the new cooling module into the chassis Do not use force or slam the module The slide lock will hold the module in place 5 6 Drive Tray Maintenance 5 6 1 Notes on Hard Drive Maintenance Hot swappable drive trays The drive trays are all hot swappable If a hard drive fails it can be replaced while the subsystem is still running Remove drives slowly When removing a drive tray withdraw it from the enclosure slowly If the drive tray is removed too quickly a drive I O timeout may occur Open flap Once the flap on the drive tray has been opened the drive tray must be removed from the subsystem Failure to remove the drive tray from the subsystem after the flap has been opened may result in signal glitches and Data Compare Errors Replacement on hand Before removing a failed hard drive from the subsystem
61. he use of a grounded wrist strap and an anti static work pad is recommended Avoid dust and debris or other static accumulating materials in your work area EonStor A24F R2224 1 Installation and Hardware Reference Manual About This Manual This manual e Introduces the EonStor A24F R2224 1 subsystem series e Describes all the active components in the system e Provides recommendations and details about the hardware installation process of the subsystem e Briefly describes how to monitor the subsystem e Describes how to maintain the subsystem This manual does not e Describe components that are not user serviceable e Describe the configuration options of firmware management access through terminal emulation programs LCD keypad panel or the RAIDWatch GUI that came with your subsystem e Give a detailed description of the RAID controllers embedded within the subsystem Revision History e Initial release Who should read this manual This manual assumes that its readers are experienced with computer hardware installation and are familiar with storage enclosures Related Documentation e Fibre to SATA RAID Subsystem Operation Manual firmware configuration accessed through terminal software and LCD keypad panel e RAIDWatch User s Manual These two documents can be found in the Product Utility CD included with your subsystem package EonStor A24F R2224 1 Installation and Hardware Reference Manual Conve
62. hen powering off the EonStor subsystem please ensure that no time consuming processes like a logical drive parity check or a Media Scan are running Step 1 Stop I O access to the system Use the software provided on the host computer to stop all I O accesses to the EonStor subsystem Please refer to the documentation that came with your application servers and operating systems Some operating systems may require unmounting disk volumes mapped LUNs before powering off the array Step 2 Flush the cache Usually the cached writes will be distributed in a short time You may also use the Shutdown Controller firmware function to flush all cached data This prepares the RAID subsystem to be powered down Step 3 Turn off the power Turn off the power switch at the rear panel of the EonStor RAID subsystem Once the RAID subsystem has been powered off other devices connected to the subsystem may be powered down 4 18 Subsystem Connection and Operation Chapter 5 Subsystem Maintenance and Upgrading Chapter 5 Subsystem Maintenance 5 1 Introducing Subsystem Maintenance and Upgrading 5 1 1 Maintenance Constant monitoring and maintenance of your subsystem will minimize subsystem downtime and preserve the working integrity of the system for a longer period of time If any of the subsystem components fail they must be replaced as soon as possible A WARNING Do not remove a failed component from
63. ill detect the available device and run at that speed On the other hand when you set the speed to 1G it has the priority to run at that speed The Pin 5 default is set to Auto the Up position for the host port transfer speed Flip this switch to the down position if the host ports need to run at 1Gbit per second See Figure 4 4 for the location of the Pin 5 switch Only Pins 4 and 5 are functional leave the other pins in the UP position Subsystem Connection and Operation 4 7 EonStor A24F R2224 1 Installation and Hardware Reference Manual A WARNING When the speed selection is manually switched for host channels to run at IG speed subsystem firmware must also be adjusted accordingly You may access the firmware using the LCD in front of the subsystem RS 232C hyper terminal screen telnet and RAIDWatch management software If the Fibre loop speed options are not coordinated with the firmware the running speed may eventually slow down and cause system error BZ NOTE To answer questions related to firmware configuration such as the channel speed selection please refer to the FC to SATA RAID Subsystem Operation Manual that came with the Product Utility CD in your subsystem package 4 4 Host Connection Sample Topologies 4 4 1 Simple Direct Connection to a Host Computer The A24F R2224 1 is directly connected to a host computer equipped with a dual channel HBA A24F R2224 1 Figure 4 5 Direct Dual Hosts Conne
64. input rc Through backplane to controller Over temperature Protection Lost cooling or excessive ambient temperature Cooling Fans Two fans inside each PSU Cooling Module Specifications Specification Speed High 6300rpm or low 4600rpm rotation speeds controlled by firmware measurements by one cooling fan Max Airflow per module High speed 48 12 CFM A24F R2224 Operating Voltage Rated Voltage 10 10 8V DC to 13 2V DC Rated Current 1 1A 12V DC high speed 0 55A 12V low speed Rated Voltage DC 12V Temperature Operating 10 to 70 C RAID Management Specification Configuration e LCD keypad panel e Text based firmware embedded utility over RS 232C connection through the included audio jack to DB 9 serial cable e RAIDWatch Manager using an Ethernet link e Telnet access through an Ethernet link Specifications Appendix A Specifications and Monitoring Performance pa Yes Monitoring Remote Control Yes Event Notification Yes via RAIDWatch s sub modules Configuration Client and NPC Management Connection In band over Fibre or out of band over Ethernet or RS 232C Configuration on Disk Configuration data stored on disks for logical drive assemblies to exist after controller replacement or hardware failure basic settings e g channel model settings are stored on NVRA
65. it can lead to permanent subsystem damage e When replacing any hot swappable component caution should be taken to ensure that the components are handled in an appropriate manner Rough or improper handling of components can lead to irreparable damage A WARNING When inserting a removable module DO NOT USE EXCESSIVE FORCE Forcing or slamming a module can damage the connector pins on the module or the backplane Gently push the module in until it reaches the end of module slot Once you feel the contact resistance use slightly more pressure to ensure the module connectors are correctly mated Use the extraction levers or retention screws to secure the module 5 2 Replacing Controller Module Components 5 2 1 Overview The controller module consists of the components shown below Component Maintenance Procedures DIMM Module The DIMM module can be replaced when it fails or if a larger capacity DIMM module is required BBU Module The BBU can be installed after the initial installation procedure or replaced if a previously installed BBU module is faulty or fails to hold its charge Main Board If the controller module in a single controller model fails it is necessary to power the system down and replace the controller 5 2 Subsystem Maintenance Chapter 5 Subsystem Maintenance and Upgrading 5 2 2 Notes on Controller Module Maintenance The controller module contains a DIMM module and a BBU module Wh
66. k posts See the drawing above Note that the lower part of the L shaped brackets should always face inward Attach two 2 M5 cage nuts 8 in the packing list onto each front rack post The first cage nut is inserted through the hole right above the M5 screw on the bottom Cage nuts should be attached from the inside of the rack facing outward Leave six holes between the two cage nuts on each rack post These cage nuts allow you to secure the enclosure from the front of the chassis through the mounting holes on forearm handles Repeat the process to install another support bracket on the left 2 11 EonStor A24F R2224 1 Installation and Hardware Reference Manual ne jo p JO rio p 0 i 8 cage nuts 8 a 6 M5 Q flathead O O Figure 2 8 Attaching M5 Cage Nuts to Rack Posts A CAUTION The mounting positions on the rack posts must be carefully measured so that rails are mounted parallel to each other Also pay attention to the clearance between the rack mounted units t Step 5 Attach a spacer 10 in the packing list to the back of each enclosure forearm handle using three 3 included flathead screws 7 in the packing list Enclosure forearm handle 10 spacer 7 crosshead Figure 2 9 Attaching Spacers to the Back of Enclosure Forearm Handles Step 6 Use the included crosshead round screws 9 in the packing list to secure two 2 end brackets 3
67. l you have a replacement unit and you are ready to replace it Airflow Consideration The subsystem requires an airflow clearance especially at the front and rear Handle subsystem modules using the retention screws extraction levers and the metal frames faceplates Avoid touching PCB boards and connector pins To comply with safety emission or thermal requirements none of the covers or replaceable modules should be removed Make sure that during operation all enclosure modules and covers are securely in place Be sure that the rack cabinet into which the subsystem chassis will be installed provides sufficient ventilation channels and airflow circulation around the subsystem Provide a soft clean surface to place your subsystem on before working on it Servicing on a rough surface may damage the exterior of the chassis If it is necessary to transport the subsystem repackage all disk drives separately If using the original package material other replaceable modules can stay within the enclosure Dual redundant controller models come with two controller modules that must be installed into the subsystem Single controller models come with one controller module and a metal sheet is placed over the lower controller bay at the rear of the subsystem Since single controller models cannot be upgraded this metal sheet should NEVER be removed ESD Precautions Observe all conventional anti ESD methods while handling system modules T
68. le comes with a 16 character by 2 row LCD keypad panel with four 4 function buttons that can be used to configure status monitor and maintain the subsystem 1 1 2 4 Drive Slot Numbering The front section of the enclosure houses twenty four 24 hard drives as shown in Figure 1 4 When viewed from the front the drive bays slots are numbered 1 to 24 from left to right then from top to bottom Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8 Slot 9 Slot 10 Slot 11 Slot 12 Slot 13 Slot 14 Slot 15 Slot 16 Slot 17 Slot 18 Slot 19 Slot 20 Slot 21 Slot 22 Slot 23 Slot 24 Figure 1 4 Hard Drive Slot Numbering Introduction Chapter 1 Introduction 1 1 2 5 Rear Panel Overview Host I O Host I O Cooling module Controller modules Cooling module BBU modules oo oo of 22 Ol J p oo oo 22 o pm if l 2200 O O z amp gt U C 00 PSU module PSU module PSU module Figure 1 5 EonStor A24F R2224 1 RAID Subsystem Rear View The rear panel of the A24F subsystem is shown in Figure 1 5 The rear panel provides access to all the components located in the rear half of the RAID subsystem enclosure Three 3 N 1 redundant hot swappable 405W PSU modules connect the subsystem to the main power so
69. ll RAID configurations and monitoring options After powering up the subsystem the initial screen will show the subsystem model name A different name may be assigned for the system host ports or specific logical drives This will enable ease of identification in a topology with numerous arrays Drive Trays Part Number IFT 9274CDTray empty tray without MUX board IFT 9274ADT2S1S drive tray with a MUX conversion board Key lock Release j LED Indicators Button Figure 1 7 Drive Tray Front View The subsystems twenty four 24 drive trays accommodate separately purchased standard 1 inch pitch 3 5 inch disk drives The drive bays are accessed through the front of the enclosure Two 2 LEDs on each tray bezel indicate the disk drive s operating status A key lock on each drive tray secures the hard drive in place while a maize color release button ensures fast and efficient drive swapping Introduction Chapter 1 Introduction A WARNING Be careful not to warp twist or contort the drive tray in any way e g by dropping it or resting heavy objects on it The drive tray has been customized to fit into the drive bays in the subsystem and if it is deformed or altered it may not fit into the drive bay N NOTE The A24F R2224 1 is shipped with twenty four IFT 9274ADT2S1S drive trays Each of these drive trays has a multiplexer MUX kit IFT 92744N2S1S attached on the rear of the tray This MUX kit
70. low these steps t Step 1 Subsystem Maintenance Remove the BBU module from the subsystem by loosening its spring screw and then gently removing the module from the chassis Figure 5 4 Removing the BBU Module 5 7 EonStor A24F R2224 1 Installation and Hardware Reference Manual t Step 2 Re install the new BBU To do this insert the BBU into the module slot and fasten the spring screw to secure the BBU _ Figure 5 5 Installing a BBU Module S NOTE The chance of BBU charger failure is comparatively low If the cause of a failure cannot be determined even after a BBU module is replaced contact your system vendor for a replacement controller and return the controller module through the standard RMA procedure 5 4 Replacing a Failed PSU Module 5 8 5 4 1 Notes on PSU Module Maintenance Redundant N 1 PSU modules The subsystem comes with three fully redundant hot swappable PSU modules These modules are accessed through the rear of the subsystem Immediate replacement When a PSU fails it should ideally be replaced immediately Do not remove a PSU module unless a replacement is readily available Removing a PSU without a replacement will cause severe disruptions to the internal airflow and the subsystem will overheat possibly causing irreparable damage to some of the subsystem components A WARNING Although the PSU modules are fully redundant it is not advisable to
71. mier web based graphics user interface GUI that can be installed on a remote computer and accessed via standard TCP IP 1 3 4 Audible Alarm The A24F subsystem comes with audible alarms that are triggered when certain active components fail or when certain controller or subsystem thresholds are exceeded When you hear an audible alarm emitted from the subsystem it is imperative that you determine the cause and rectify the problem immediately A WARNING Failing to respond when an audible alarm is heard can lead to permanent subsystem damage When an audible alarm is heard rectify the problem as soon as possible 1 14 Introduction Chapter 1 Introduction 1 4 Hot swappable Components 1 4 1 1 4 2 1 4 3 Hot swap Capabilities The A24F subsystem comes with hot swappable components that can be exchanged while the subsystem is still online without affecting the operational integrity of the subsystem These components should only be removed from the subsystem when they are being replaced At no other time should these components be removed from the subsystem Components The following components are all hot swappable RAID controller modules PSU modules Host I O modules Cooling modules Hard drives BBU modules Normalized Airflow Proper subsystem cooling is referred to as normalized airflow Normalized airflow ensures the sufficient cooling of the subsystem and is only attained when all the
72. n a horizontal orientation If the groove is in a vertical position as shown in Figure 2 15 then the key lock is locked and the front flap on the drive tray cannot be opened Key lock lip Release o Button Figure 2 15 Front View of an Individual Drive Tray t Step2 Open the front flap on the drive tray See Figure 2 16 by pushing the release button shown in Figure 2 15 on the front of the drive tray The button is easy to access and lift 2 16 Hardware Installation t Step 3 t 4 Step 4 Step 5 Hardware Installation Chapter 2 Hardware Installation Figure 2 16 Drive Tray Front Flap Line the drive tray up with the slot in which you wish to insert it Make sure that it is resting on the rails inside the enclosure Once the drive tray is lined up with the slot gently slide it in This should be done smoothly and gently Close the front flap on the drive tray Make sure the front flap is closed properly to ensure that the connector at the back of the drive tray is firmly connected to the corresponding connector on the backplane If the front flap is not closed properly the connection between the hard drive and the subsystem will not be secure Figure 2 17 Installing a Drive Tray Lock the flap into place Use a flathead screwdriver to turn the key lock until the groove on its face is in a vertical orientation See Figure 2 18 2 17 EonStor A24F R2224 1 Installation and Hardwar
73. nge of values between which they can fluctuate If either the upper or lower thresholds are exceeded an audible alarm will automatically be triggered The alarm will also be triggered when an active component of the subsystem fails If the subsystem manager is onsite and is alerted by the alarm the manager needs to read the error message on the LCD screen or on the PC terminal to determine what has triggered the alarm and then take appropriate actions to rectify the problem A WARNING Whenever an alarm is triggered you must determine the problem If the audible alarm is ignored or not taken seriously and the problem is not rectified permanent damage to the system can result System Monitoring EonStor A24F R2224 1 Installation and Hardware Reference Manual 3 3 1 Default Threshold Values Table 3 10 shows the default threshold values for the subsystem If any of these values are surpassed the alarm will sound Parameter Upper Threshold Lower Threshold 3 3V 3 6V 2 9V 5V 5 5V 4 5V 12V 13 2V 10 8V Enclosure Ambient 40 C 0 C CPU Temperature 90 C 5 C Board Temperature 80 C rE Table 3 10 Default Threshold Values The thresholds in Table 3 10 are the default threshold values To see how to change these values please refer to the FC to SATA RAID Subsystem Operation Manual that came with your system 3 3 2 Failed Devices If any of the following devices fail the audible al
74. nnected through a dedicated channel Note that the FC host ports can be used to cascade other RAID subsystems but cannot connect to expansion enclosures JBODs 4 2 5 Internal Connections The internal connections described here apply to the redundant controller subsystem A24F R2224 1 The two 2 RAID controllers are connected to each other internally through the common backplane board This enables the controllers to synchronize cached contents and configuration data When the internal hub is enabled by the enclosure DIP switch the two 2 host channels are connected internally to both controllers This provides access routes to a surviving controller in the event of single controller failure Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation e Make sure you select the appropriate host port topology option through the firmware configuration utilities The available options include Loop Only Point to point Loop preferred otherwise Point to point e If hub is enabled the host IDs on the two 2 host channels are associated with the WWN node names and port names If a controller fails the surviving controller will avail itself using the original node names and port names e In the event of cable disconnection or RAID controller failure a valid data link through the existing controller will continue data transfer that was previously served by the failed controller 4 2 6 Unique Identifier
75. ntions Naming From this point on and throughout the rest of this manual the EonStor series is referred to as simply the subsystem or the system and EonStor is frequently abbreviated as ES Lists Bulleted Lists Bulleted lists are statements of non sequential facts They can be read in any order Each statement is preceded by a round black dot 6 Numbered Lists Numbered lists are used to describe sequential steps you should follow in order Important information that users should be aware of is indicated with the following icons B NOTE These messages inform the reader of essential but non critical information These messages should be read carefully as any directions or instructions contained therein can help you avoid making mistakes A CAUTION Cautionary messages should also be heeded to help you reduce the chance of losing data or damaging the system IMPORTANT The Important messages pertain to use the EonStor subsystem introduced in this manual A WARNING Warnings appear where overlooked details may cause damage to the equipment or result in personal injury Warnings should be taken seriously xi EonStor A24F R2224 1 Installation and Hardware Reference Manual Software and Firmware Updates Please contact your system vendor or visit Infortrend s FTP site ftp infortrend com tw for the latest software or firmware updates Problems that occur during the updating proc
76. o 40 C Non operating 20 to 60 C Altitude Operating sea level to 12 000 ft Non operating sea level to 20 000 ft Power Requirements Specifications 90VAC 8AC Input Voltage 264V AC 4AC with PFC auto switching Frequency 47 to 63Hz Power 405W Consumption Dimensions With Forearm Handles Without Forearm Handles Height 174 4mm 6 86 inches 174 4mm 6 86 inches Width 482mm 19 inches 445mm 17 5 inches Length 514mm 20 2 inches 498mm 19 6 inches A 1 EonStor A24F R2224 1 Installation and Hardware Reference Manual A 2 Certifications e FCC Class A e CE e CB e UL60950 IEC 60950 e BSMI Shock Half sine Operating 5G peak 11ms duration Non operating 10G peak 11ms duration Vibration Operating 5 to 500Hz 0 2G 0 5oct min Non operating 5 to 500Hz 1 0G 0 5oct min Warning Alarms e Audible alarms e System LEDs e LCD screen e Terminal screen e Event notification via the RAIDWatch Manager Specifications Appendix A Specifications A 2 Controller Functional Specifications Specification 0 1 0 1 3 5 6 10 30 50 60 JBOD and non RAID disk RAID Levels spanning Host O S Compatibility Host O S independent supports all major platforms Host Interface 2 2Gbps Fibre channels via independent host I O modules and SFP ports Host Channels 2 pre configured
77. on the right hand side You may follow the same procedures to work on the module on the other side t Step 1 Disconnect the SFP transceiver s that are connected to the host I O module by pressing the latch on the bottom of the transceiver Then pull out the transceiver module along with the Fibre cables attached to it A NOTE The procedure for disconnecting the SFP transceiver is based on the IFT 9270CSFP2GA01 If you are using a different SFP transceiver please refer to the instructions provided with the module 7 Step 2 Use a screwdriver to loosen the retention screws See Figure 5 10 Figure 5 10 Removing the Host I O Module t Step 3 Remove the module by pulling the spring screws Step 4 Align the replacement module with the slot and gently insert it until the back of the module reaches the end of the slot Step 5 Secure the replacement module to the chassis by fastening the retention screw on the module Step 6 Re insert the SFP transceiver s and cabling that were previously removed Subsystem Maintenance 5 13 EonStor A24F R2224 1 Installation and Hardware Reference Manual This page is intentionally left blank 5 14 Subsystem Maintenance Appendix A Specifications Appendix A Subsystem Specifications A 1 Technical Specifications Environmental Specifications Humidity 5 to 95 non condensing operating and non operating Temperature Operating 0 t
78. ough the host ID LUNs on another host link 4 4 4 Daisy Chaining The subsystem is able to expand its storage capacity by daisy chaining other A24F subsystems The onboard hub enables the subsystem to withstand single link failure 4 12 Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation Heartbeat Link Figure 4 8 Daisy Chaining A24F R2224 1 Subsystems Channel Settings Host CHO CH1 Drive Via system bus through the backplane 4 DIP Switch Hub enabled Configuration Information RAID Controllers 2 Host Servers 2 Data Path Connection Dual redundant data paths Host Channel Bandwidth 400 MBps Max Number of Drives 48 e This is a daisy chained configuration showing at least two 2 A24F R2224 1 subsystems connected to two 2 clustered host computers e This configuration is suitable for applications that require storage expansion Subsystem Connection and Operation 4 13 EonStor A24F R2224 1 Installation and Hardware Reference Manual Data paths connecting each host computer each has a failsafe counterpart In the event of host link or server failure data access can be continued through the redundant data path Bypass is provided on the host I O modules in this configuration It is advised to connect the primary RAID subsystem to the secondary RAID subsystem using redundant da
79. provides access routes for different RAID controllers Do not use drive trays from different EonStor models on the A24F R2224 1 A correct drive tray for A24F R2224 1 should have a maize color release button on the front panel 1 2 3 RAID Controller Module Part Number IFT 84AF22RD24EM5 The RAID controller module contains a main circuit board and a daughter card providing management interface connectors a dedicated drive plane management interface and a preinstalled 512MB DDR RAM DIMM The subsystem comes with BBU protection for both of the RAID controllers The BBU is installed in the module bay located at the top center of the controller module The BBU can be independently inserted or removed Please note The controller module contains no user serviceable components Except when replacing a faulty unit or installing upgrading the cache memory inside the controller module should never be removed from the subsystem A WARNING Although the RAID controller can be removed the only time you should touch the controller itself is to install or replace memory modules Unnecessary tampering with the RAID controller can damage the controller and make the system unusable 1 Ready 4 2 Hst Bsy 3 Dry Bsy 4 P_Fail OJ 710 C_Dirty i b 20 aO 5 CcoM1 com2 Figure 1 8 RAID Controller Module Faceplate Introduc
80. r the controller is properly installed install the BBU module and secure it with the spring screw Figure 2 5 Installing a BBU Module 2 7 Rackmounting the Subsystem Slide Rail Model Name IFT 9274Cslider32 32 inch version IFT 9274Cslider36 36 inch version 2 7 1 Package Contents The slide rail kit 32 or 36 inch versions includes the following components You should check to ensure that the slide rail kit you received contains the items listed below 2 8 Hardware Installation Chapter 2 Hardware Installation W NOTE Except for the different length of mounting brackets the 32 and 36 inch versions use the same mounting screws and mounting holes on rack posts Hardware Installation 2 9 EonStor A24F R2224 1 Installation and Hardware Reference Manual Item 32 inch 812 8mm 36 inch 914 4mm Quantity Mounting bracket assembly left 1 Mounting bracket assembly right End bracket left End bracket right Screw cross recess round head M5x335 rev 1 0 Screw M5x5mm position screws for square racks free cutting steel rev 1 0 Screw crosshead flat head 6 32x8mm rev 1 0 Screw M5 cage nuts rev 1 0 OIII ND Nn AJOJN Screw crosshead round screws P 6 32x6mm rev 1 0 NRL BRIA gt Rime le le 4U spacer behind forearm handle 8 324 10 4 122 i AG 3 3
81. rd connection is secured Figure 2 22 Power Cord Locked into Position t Step 5 Repeat the process to secure every power cords to the subsystem 2 20 Hardware Installation Chapter 3 Subsystem Monitoring Chapter 3 Subsystem Monitoring 3 1 Subsystem Monitoring Overview The EonStor A24F R2224 1 subsystems are equipped with a variety of self monitoring features that keep you informed of the subsystem s operational status These monitoring features provide vital feedback to help you maintain the operational integrity of the subsystem Prompt response to warnings and component failure notifications will help ensure data integrity and the longevity of the RAID subsystem Self monitoring features include System Monitoring Management firmware FW The firmware manages the array provides device status information and is preinstalled in the subsystem controller You can access the FW using either the LCD keypad panel or a PC running a terminal emulation program connected to a PC running terminal software through the system s COM 1 RS 232C audio jack serial port The firmware is fully described in the Fibre to SATA RAID Subsystem Operation Manual that came with the subsystem Please refer to this manual for further details RAIDWatch RAIDWatch is a Java based program that came with the subsystem and can be used to monitor and manage the subsystem locally or remotely over TCP IP You can use the powerful Con
82. re the squared notches of the retention handle lock onto the metal groove on the interior sides of the module slot Once in place pull the retention handle in an upward motion to secure the module Insert and fasten the retention screw underneath the handle to secure the module Install the cable clamp assembly if used Subsystem Maintenance Chapter 5 Subsystem Maintenance and Upgrading 5 5 Cooling Module Maintenance 5 5 1 Notes on Cooling Module Maintenance Two redundant cooling modules The subsystem is equipped with two redundant hot swappable dual fan cooling modules located above the PSU modules These cooling modules control the internal operating temperature of the subsystem and therefore their working integrity should be maintained at all times Detecting a failed cooling fan module If a cooling module fails you can choose to be notified of the failure by the LEDs located at the back of the module an audible alarm the firmware terminal access the RAIDWatch Panel View or the various event notification methods Replacing a cooling module When you are notified that a cooling module has failed it should be replaced as soon as possible A failed cooling module should only be removed from the subsystem when you have a replacement module that can be installed as soon as the failed cooling module has been removed WARNING Although the cooling fan modules are fully redundant it is not advisable to run t
83. s connected to the subsystem amp t Step 3 Power on the UPS t Step 4 Power on the subsystem 4 Step 5 Power on the application servers amp t Step 6 The subsystem firmware should detect the UPS To see how to do this please refer to the Generic Operation Manual that came with the subsystem g NOTE A UPS can be connected to the subsystem after the subsystem has been powered on but you will have to trigger the firmware to allow the subsystem to detect the UPS B 6 UPS Status Monitoring B 6 1 If a UPS is correctly connected to the subsystem the status of the UPS will be constantly monitored by the controller through the COM2 audio jack serial port The status of the UPS will determine the controller s write policy and messages that appear on the LCD panel and other monitoring devices will keep you informed of the UPS status Normal Operational Status If the UPS is connected to main power and the UPS battery power level is above 50 then no status messages will appear and the Write back policy will be applicable Uninterruptible Power Supply B 3 EonStor A24F R2224 1 Installation and Hardware Reference Manual B 4 B 6 2 B 6 3 UPS Messages The following messages may appear on the LCD screen Message 1 UPS connection is absent This message appears when COM2 has not been connected to the UPS or an established link is lost Message 2 UPS connection detected This message app
84. s for each step are given in the following sections A CAUTION To ensure that the system is correctly installed please follow the steps outlined below If these steps are followed the installation will be fast and efficient If these steps are not followed the hardware may accidentally be installed incorrectly amp t Step 1 Unpack the subsystem Make sure that all the required subsystem 4 lt t Step 2 wt t ws t Step 3 Step 4 components have indeed arrived Change the DIMM module Although a DIMM module comes with the controller board if you wish to use a different DIMM module with a larger memory capacity then the DIMM module exchange should be made first See Section 2 6 2 Rack Cabinet installation The subsystem should be installed into a rack cabinetry prior to installing the hard drives Installation into a rack cabinet requires separately purchased mounting rails Infortrend also provides rail kits for 32 or 36 inch deep racks Installing the A24F into a rack or cabinet requires at least two or three people Install the hard drives into the drive trays Separately purchased SATA II or SATA I hard drives must be individually installed into the drive trays See Section 2 7 Hardware Installation 2 Step 5 Step 6 4 Step 7 Chapter 2 Hardware Installation Install the drive trays into the enclosure Note that the drive trays used in single or redundant controller s
85. s for redundant path connections Subsystem Connection and Operation 4 9 EonStor A24F R2224 1 Installation and Hardware Reference Manual 4 10 Heartbeat Link A24F R2224 1 Figure 4 6 Clustered Servers with Redundant Paths Channel Settings Host CHO and CH1 Drive Via system bus through the backplane 4 DIP Switch Hub enabled Configuration Information RAID Controllers 2 Host Servers 2 Data Path Connection Dual data paths Host Channel Bandwidth 400 MB s Max Number of Drives 24 This is a direct attached configuration showing two 2 hosts sharing the capacity in one 1 RAID subsystem Drives in the enclosure can be configured into one or more arrays and made available through individual host ports Each configured array logical drive is separately mapped or associated with more than one host ID LUN A logical configuration of drives may appear as two array volumes to the host and the multi path management software on the host should recognize one as active and the other as a standby The management software should bring up the standby if the FC link connecting the active array fails If a server in a clustered pair fails or a host bus is disconnected the surviving server needs to access the arrays originally accessed by the Subsystem Connection and Operation Chapter 4 Subsystem Connection and Operation
86. s s s cesscasscsscsssussnecisssesancessvasng saressteedsesteaiaevdeasdasssseasteutouss 4 1 BLD CL ASCTS oaa a a a aa iaa i aa aa a a E a a a a a a Eia 4 2 4 1 3 FC Speed Auto negotiation ccccesccesccesecssecneerseeseesscesseeseceseceseceaeceaecaeeaecnaeenaeens 4 2 4 AA SF PT VQUSCEW OTS iisa ia a e seeseaddadnnden i o Aaa a EREET 4 2 4 2 TOPOLOGY AND CONFIGURATION CONSIDERATIONS seses 4 3 4 2 1 Basic Configuration Rules seseeeseeeseseeeesesesrsreessrreesrsrresesresrssresrnserreesesreereseee 4 3 4 2 2 Fibre Channel Topologies cccccccesccssscessceseceecnsecseesseeseesseeseeeeeeeseceaecnsesnaeeaeen 4 4 4 2 3 Host side Topologies urisini neriasi iniia iiia oireita 4 4 4 2 4 Drive side Topologies scscesccsessessseescescssessceseencesecsseseenaeesesaseceesecaeesecueeessaseeesaees 4 4 4 2 3 Internal Connec tonsa S E EA shee E AS TAE 4 4 4 2 0 Unigque Tdentifl er ic E E EA E AE A EAAS 4 5 4 2 7 ID LUN Mapping ver aena EE Aa ANa Ea TENTAS 4 5 4 3 FIBRE CHANNELS aeee a a AE E diana 4 6 4 3 Onboard Hub Seting Secene eea ne in hs seta tend songs tase sete EREE EEE EES 4 6 4 3 2 JUMPET ASSIONINENUS ioien tacts eu ior aa nee are ENEE EEK S EE E EE EE EEEE S 4 6 4 3 3 Fibre Channel Speed Selectionni ccccccccsccssesccssecssssecssesscssseecesseseesecaeeseceeeeensseeeseees 4 7 4 4 HOST CONNECTION SAMPLE TOPOLOGIES eeeeeseeeeeeeseeeresreereserreeersreees 4 8 4 4 1 Simple Direct Connection to a Host Computer ccceeceese s
87. s to rectify the problem Failure to act in a properly specified manner to a system event such as overheating can cause severe and permanent subsystem damage 3 2 Status indicating LEDs 3 2 1 3 2 Brief Overview of the LEDs All FRUs Field Replaceable Units have status indicating LEDs that show the operational status and integrity of the subsystem components The list in Table 3 1 shows the number of LEDs assigned to each component Modules Component LEDs per Module Total LEDs Definition Controller Modules 5 10 See Section 3 2 2 Ethernet Ports 2 4 See Section 3 2 3 LCD Panel 3 3 See Section 3 2 4 Drive Trays 2 48 See Section 3 2 5 BBU Modules 1 2 See Section 3 2 6 PSU Modules 1 3 See Section 3 2 7 Cooling Modules 2 4 See Section 3 2 8 FC Ports Host I O 8 8 See Section 3 2 9 Table 3 1 LED Distribution System Monitoring 3 2 2 Chapter 3 Subsystem Monitoring Controller Module LEDs The controller module faceplate is shown in Figure 3 1 below The LEDs are numbered from 1 to 5 and their definitions are shown in Table 3 2 below M m 1 Ready L 2 Hst Bsy 3 Dry Bsy 4 P_Fail O C_Dirty OO COM 1 COM2 710 l 20 04 30 05 Figure 3 1 EonStor A24F R2224 1 Controller Faceplate LED Name Color Status Ready Green ON indicates that the controller has
88. stallation Overview 2 8 2 A WARNING 1 Handle hard drives with extreme care Hard drives are very delicate Dropping a drive onto a hard surface even from a short distance and hitting or touching the circuits on the drives with your tools may all cause damage to drives 2 Observe all ESD prevention methods when handling hard drives 3 Only use screws supplied with the drive canisters Longer screws may damage the disk drives Hard Drive Installation Pre requisites A CAUTION The hard drives and drive trays should only be installed into the subsystem after the subsystem has been mounted into a rack cabinet If the hard drives are installed first the subsystem will be too heavy to lift into position and the possible impact during installation may damage your drives Hardware Installation Chapter 2 Hardware Installation Hard drives for the subsystem must be purchased separately When purchasing the hard drives the following factors should be considered e Capacity MB GB Use drives with the same capacity RAID arrays use a Jeast common denominator approach meaning the maximum capacity of each drive in the array is the maximum capacity of the smallest drive e Profile The drive trays and bays of the system are designed for 3 5 inch wide x 1 inch high hard drives e Drive type The A24F subsystem can use either SATA II or SATA I interface hard drives 2 8 3 Drive Installation p gt Y t Step 1 Pla
89. stallation and Hardware Reference Manual A WARNING For a detailed packing list refer to the included Unpacking List Do not rely on the non definitive s mmarized checklist shown below it is for reference only The following items should be packed in individual boxes and are not pre installed Twenty four 24 drive trays Accessory items The enclosure chassis with its pre installed components is located at the bottom of the package The pre installed components include Two 2 controller modules Three 3 PSU modules Two 2 cooling modules Two 2 front handles One 1 LCD keypad panel on the left side foldable handle Back end PCBs 2 6 Memory Module Installation 2 4 2 6 1 Memory Module Installation Overview The subsystem comes with a pre installed 512MB DDR RAM DIMM module on each controller The controller supports memory modules with sizes up to 2GB If memory modules with a different size need to be used the pre installed DIMM module can be removed and the new ones installed Replacement and installation instructions are described fully below G NOTE A DIMM of a different size can be ordered from your subsystem supplier Using non certified modules can cause unexpected results Considerations 1 The DIMM module is located on the side of the main controller board Prior to changing the DIMM module the controller canister must first be removed from the enclosure chassis Hard
90. t 18 Slot 17 Slot 16 Slot 15 Slot 14 Slot 13 Slot 12 Slot 11 Slot 10 Slot 9 Slot 8 Slot 7 Slot 6 Slot 5 Slot 4 Slot 3 Slot 2 Slot 1 Controller Module Controller Modules PSU 1 PSU 2 Back end PCB Cooling Module Figure 1 2 EonStor 24 bay SATA RAID Subsystem Overview A CAUTION When working with the subsystem it is important to use tools with extreme care Do not place tools or other items on top of the enclosure to help avoid damaging the outward appearance of the chassis 1 1 2 2 Physical Dimensions The EonStor A24F subsystem comes in a standard 4U chassis with the following dimensions With forearm handles 482W x 174 4H x 514D mm 19 x 6 87 x 20 2 inches Without forearm handles 445W x 174 4H x 498D mm 17 5 x 6 87 x 19 6 inches Introduction 1 3 EonStor A24F R2224 1 Installation and Hardware Reference Manual 1 1 2 3 Front Panel Overview LCD keypad panel Forearm handle Forearm handle Figure 1 3 EonStor A24F RAID Subsystem Front View As shown in Figure 1 3 the front of the subsystem features a 4 column by 6 row layout to accommodate twenty four 24 drive trays that are designed to house standard 3 5 inch SATA drives The front side of the subsystem also has two 2 foldable forearm handles see Figure 1 3 that are conveniently placed on the sides to facilitate installation and removal of the enclosure within a rack The left hand
91. t swappable and can be independently swapped from the controller However as a safety precaution and just in case your memory still holds cached data it is recommended to remove the BBU module before handling the DDR RAM module If the BBU is supplying power to the memory when the DDR module is being removed damage will occur s 7 Step 1 Prepare an anti static work pad for placing a removed controller Use of an ESD grounding strap is highly recommended 7 2 Remove the pre installed BBU module Use a Phillips screwdriver to loosen the retention screw that secures the BBU module to the enclosure chassis and carefully remove the module See Figure 2 2 Carefully place the module for it contains Li ION batteries Do not drop it to the floor or place it near any heat source or fire Figure 2 2 Removing the BBU Module ON 7 Step 3 Remove the controller module Remove the retention screws securing the controller s ejection levers using a Phillips screwdriver Using both hands simultaneously press the ejection levers downward until the controller is removed from enclosure chassis See Figure 2 3 Hardware Installation Step 5 Hardware Installation Chapter 2 Hardware Installation Figure 2 3 Removing the Controller Module Remove the DDR DIMM module You can access the DIMM module from the opening on the right side of the controller canister To remove the DIMM module press the white plastic eje
92. ta links The array volumes in the two 2 cascaded RAID subsystems are separately configured but presented on the same FC channels CHO and CH1 of the two subsystems are connected each using different host IDs Depending on I O characteristics each configured array should be properly optimized either for Random or Sequential I Os 4 5 Power On 4 14 Once all of the components have been installed in the A24F R2224 1 and the host channels have been connected the subsystem can be powered on 4 5 1 Check List BEFORE powering on the A24F R2224 1 please check the following Q Memory module Memory modules have been correctly installed on the controller boards BBU If being used make sure the optional BBU has been installed correctly in the A24F R2224 1 Q Hard drives Hard drives have been correctly installed in the drive trays Drive trays All the drive trays whether or not they contain a hard drive have been installed into the subsystem DIP switch settings All the appropriate DIP switch settings have been made The hub has been enabled disabled as required and the speed of the host channel selected as automatically negotiated or fixed at 1Gbps Q Cable connections The subsystem has been correctly connected to host computer s external devices and or cascaded subsystems Q Power cables The power cords have been connected to the PSUs on the subsystem and plugged into the main power source Q Ambient
93. te policy will change from write through to write back UPS Message Summary Table B 1 below summarizes the UPS messages described above It is important that you become familiar with these messages and their meanings to help maintain the integrity of the data running through your subsystem Uninterruptible Power Supply Appendix B Uninterruptible Power Supply Message AC Power Battery Power Write Policy Level BPL Status UPS connection is absent N A N A Write back UPS connection detected N A N A Write back Warning UPS AC Power Loss Disconnected BPL gt 50 Write through detected Warning UPS Battery Low Disconnected BPL lt 50 Write through 50 Please shut down to protect data loss Warning UPS Battery Low Connected BPL lt 50 Write through 50 UPS AC Power Restored Reconnected BPL gt 50 Write back UPS AC Power Restored Reconnected BPL lt 50 Write through UPS Battery restored to safe Reconnected BPL gt 50 Write back level Table B 1 UPS Status Messages Uninterruptible Power Supply B 5 EonStor A24F R2224 1 Installation and Hardware Reference Manual This page is intentionally left blank B 6 Uninterruptible Power Supply Appendix C Spare Parts and Accessories Appendix C Spare Parts and Accessories C 1 Spare Parts Spare parts that come with the subsystem are listed in Table C 1 Model Name Description IFT 84AF22RD24E
94. the hot swappable drive trays The drive trays which fit into drive bays accommodate SATA II hard disk drives Two 2 redundant hot swappable dual fan cooling modules protect the RAID subsystem from overheating and three 3 redundant hot swappable 1U 405W power supply unit PSU modules provide constant power to the RAID subsystem The modular nature of the subsystem and the easy accessibility to all major components ensure that the EonStor A24F can be easily and efficiently operated and maintained Enclosure Chassis 1 1 2 1 Chassis Overview The EonStor A24F subsystem enclosure is a 4U metal chassis A back end PCB is enclosed in thick gauge sheet metal that divides the enclosure internally into front and rear sections See Figure 1 2 The front section accommodates twenty four 24 drive trays with their associated hard drives and the rear section accommodates three 3 PSU modules two 2 dual fan cooling modules and the dual redundant RAID controller modules The two 2 foldable handles on the front of the chassis enable you to easily insert extract the chassis into from a rack cabinet The subsystem enclosure can be mounted into standard 19 inch rack cabinets using separately purchased slide rails Introduction Cooling Module Chapter 1 Introduction OO LOO PSU 0 oo oo Slot 24 Slot 23 Slot 22 Slot 21 Slot 20 Slot 19 Slo
95. tion EonStor A24F R2224 1 Installation and Hardware Reference Manual 1 2 4 1 2 5 1 2 6 The controller module faceplate is shown in Figure 1 8 and has two 2 RS 232C audio jack serial ports labeled COM1 and COM2 one 1 RJ 45 Ethernet connector and five 5 status indicating LEDs labeled from 1 to 5 The controller board is housed in a metal canister and can only be seen after the controller module has been removed from the subsystem enclosure The controller canister has two 2 ejector levers that secure the controller module to the subsystem chassis These levers are in turn secured to the enclosure chassis with two 2 retention screws Controller Module Interfaces All management interfaces that connect to external devices are located on the controller module faceplate The host I O paths are routed through a common backplane to the host I O modules The interfaces are listed below RS 232C Audio Jack All controller modules come with two 2 RS 232C audio jack serial ports The serial ports can be used for terminal emulation and uninterruptible power supply UPS support Ethernet port A single 10 100BaseT Ethernet port is used for remote management through a TCP IP network Disk Drive Channels All models come with twenty four 24 SATA drive channels that are connected to the backplane through back end connectors NOTE Drive interfaces are not accessed through the controller module faceplate D
96. ture sensor fails the remaining cooling fan s automatically raises its rotation speed 2 Elevated Temperature if the temperature breaches the upper threshold set for any of the interior temperature sensors the cooling fans automatically raises its rotation speed 3 During the subsystem initialization stage the cooling fans operate at the high speed and return to low speed once the initialization process is completed and no erroneous condition is detected Figure 1 11 Cooling Module A NOTE There are two value sets for the upper temperature thresholds One is set for event notification and the other triggers the higher fan rotation speed The preset value for event notification can be changed using the firmware embedded configuration utility while the fan speed trigger is not a user s option Please refer to the FC to SATA RAID Subsystem Operation Manual for the options with event notification values Introduction 1 11 EonStor A24F R2224 1 Installation and Hardware Reference Manual 1 2 9 Host I O Modules Part Number FT 9274CF2HIO4L left hand side viewed from the rear IFT 9274CF2HIO4R right hand side viewed from the rear m C Right hand side marked as CH1 Figure 1 12 Host I O Module The hot swappable host I O modules shown in Figure 1 12 are secured to the enclosure chassis with two 2 retention spring screws These parts come with a mark on faceplate to distinguish left si
97. ty responsible for compliance could void you authority to operate the equipment iv C This device is in conformity with the EMC CB Certified Worldwide This device meets the requirements of the CB standard for electrical equipment with regard to establishing a satisfactory level of safety for persons using the device and for the area surrounding the apparatus This standard covers only safety aspects of the above apparatus it does not cover other matters such as style or performance EonStor A24F R2224 1 Installation and Hardware Reference Manual oa r This device is in conformity with UL standards for safety Cy 33225 ITE BSMI Class A CNS 13438 for Taiwan oO TAREHE jee PSSA all Eon EE EAR SpE A aae BIS REATI TSE AP BHEE RK BATA EonStor A24F R2224 1 Installation and Hardware Reference Manual Table of Contents CHAPTER 1 INTRODUCTION T1 PRODUCT OVERVIEW aae e A E cavevaey saneeeuserveaseedsteecesesvenuneeted 1 1 1 1 1 Product Introductorio EE RTAS E 1 1 1 1 2 Enclosure CHASSIS cesa ae a AE A e E E E RTE 1 2 1 2 SUBSYSTEM COMPON NT S ona re ee e E A AE RE ET 1 6 1 2 1 LCD Keypad Panel eisernen i ea EE EEEE TEE EREA 1 6 1 2 2 Drive TTY S cies caevesstireates ieee EE EEE AEE E ERA EE EE 1 6 1 2 3 RAID Controller Module 0 cccccccccecscecscecssesssssssessssssssssssssssssssesssssssssssssssessseees 1 7 1 2 4 Controller Module Interface ononosneseeeeeeseeseeeseeresrsrresesresrrsrrsrsserere
98. ubsystems are different Make sure not to mix the drive trays Connect the cables Use the supplied power cords to connect the subsystem to main power It is recommended to connect power cords to separate and independent power sources for higher redundancy Make sure your subsystem is electrically grounded It is also recommended to use the included cable clamps to prevent accidental disconnection of the power cords Use separately purchased Fibre Channel optical cables and transceivers to connect the host ports to the host computers or expansion enclosures See Chapter 4 Power up Once all of the components have been properly installed and all the cables properly connected the subsystem can be powered up and the RAID array configured See Chapter 4 2 4 1 Installation Procedure Flowchart Figure 2 1 shows a flowchart of the installation procedure As you complete each step check off the Done box on the right Please use this flowchart in conjunction with the instructions that follow Step 1 Unpack Done Step 2 Rack Cabinet Installation Done Step 3 Upgrade DIMM Module Done a if preferred Step 4 Hard Drive Installation _ Done Step 5 Drive Tray Installation Done Step 7 Cable Connection Done Step 8 Power Up Done Figure 2 1 Installation Procedure Flowchart 2 5 Unpacking the Subsystem The subsystem components are packed in several boxes Hardware Installation EonStor A24F R2224 1 In
99. ults e Ifa BBU leaks gives off a bad odor generates heat becomes discolored or deformed or in any way appears abnormal during use recharging or storage immediately remove it from the subsystem and stop using it If this is discovered when you first use the BBU return it to Infortrend or your subsystem vendor 5 6 Subsystem Maintenance Chapter 5 Subsystem Maintenance and Upgrading BBU failure can result from the following 1 A BBU Battery Backup Unit has lost its ability to hold electrical charge This may be the case after the battery cells have been recharged for many times regardless of how long the module has been used Therefore a stable power source is important for system operation The charger circuitry mounted underneath the controller top cover has failed There are other conditions that might trigger the BBU fault events and light the BBU fault LED The temperature sensor embedded with the subsystem s charger circuit reports a temperature reading exceeding 45 degree Celsius The charger circuits will enter a low power and self protection state A BBU module has been charged for over seven 7 hours A timer is embedded with the charger When this occurs the charger will enter a timer fault state The fault condition usually occurs with a brand new BBU or with a totally discharged BBU Charging will resume automatically if you remove and re install the BBU module To replace a BBU module please fol
100. urce Two 2 redundant hot swappable dual fan cooling modules are located above the PSU modules One power switch on the chassis rear panel controls all PSU modules Each PSU module contains two cooling fans Each RAID controller module comes with two 2 RS 232C audio jack serial ports one 1 RJ 45 Ethernet connector and status indicating LEDs located on its rear facing faceplate 1 1 2 6 The Backplane Board An integrated backplane board receives disk drives on the front end and connects the RAID controller cooling and PSU modules on the rear end The PCB board provides logic level signals and low voltage power paths It contains no active electronics and no user serviceable components 1 1 2 7 Subsystem Rack Cabinet Installation The A24F subsystem chassis has pre drilled screw holes for slide rail mounting Separately purchased independently installed Infortrend slide rails are available for rack or cabinet installation Available Infortrend slide rails are listed below IFT 9274CSlider36 IFT 9274CSlider32 The slide rails come with their own installation instructions Introduction 1 5 EonStor A24F R2224 1 Installation and Hardware Reference Manual 1 2 Subsystem Components 1 2 1 1 2 2 LCD Keypad Panel Figure 1 6 LCD Keypad Panel The LCD keypad panel shown in Figure 1 6 consists of an LCD display with push buttons and LEDs that indicate array status The LCD panel provides full access to a
101. w infortrend europe com EonStor A24F R2224 1 Installation and Hardware Reference Manual Copyright 2005 This Edition First Published 2005 All rights reserved This publication may not be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means electronic mechanical magnetic optical chemical manual or otherwise without the prior written consent of Infortrend Technology Inc Disclaimer Infortrend Technology makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose Furthermore Infortrend Technology reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation to notify any person of such revisions or changes Product specifications are also subject to change without prior notice Trademarks Infortrend and the Infortrend logo are registered trademarks of Infortrend Technology Inc EonStor and RAIDWatch are also registered trademarks of Infortrend Technology Inc Other names prefixed with IFT are trademarks of Infortrend Technology Inc PowerPC is a trademark of International Business Machines Corporation and Motorola Inc Solaris and Java are trademarks of Sun Microsystems Inc All other names brands products or services are trademarks
102. ware Installation Chapter 2 Hardware Installation 2 With a new subsystem there may not be cached data in the DIMM module If the subsystem has been operating and there is cached data the BBU will discharge to support the cache contents It is therefore recommended to make sure there is no BBU module installed before replacing the DIMM module The BBU module is located right above the controller s rear facing faceplate and can be removed simply by loosening its retention spring screw If you are replacing the memory modules please refer to the installation procedure below If the memory modules do not need to be changed proceed to Section 2 7 A WARNING e The controller board in the controller module is a sensitive item Please ensure that all anti static precautions stipulated above are strictly adhered to Only qualified engineers should replace the DIMM module e Removing the DIMM module while it contains cached data and when the BBU is still attached to the controller can damage the DIMM module When the controller is removed from chassis the BBU will start to discharge supplying power to memory Removing the DIMM module while it is being powered by the BBU will damage the DIMM module Therefore remove a BBU module before you replace a DIMM module if you prefer using a different DIMM module 2 6 2 Selecting the Memory Modules If the memory module on the A24F controller is going to be replaced the following factors must
103. wer cable has been plugged in but the power switch is not turned on OFF The PSU is not turned on no power is being supplied to the PSU or the power plug is not connected Table 3 7 PSU Module LED Definitions 3 2 8 Cooling Module LED Fan 0 Fan2 Fan 0 Fan 1 Fan 2 Fan 3 Fan 1 oS L Fan 3 Figure 3 7 Cooling Fan Module LEDs and Cooling Fan Locations Each cooling module has two 2 red LEDs Each LED corresponds to a single cooling fan within the module See Figure 3 7 LED Status OFF The respective cooling fan is operating normally ON The respective cooling fan has failed and the module must be replaced Table 3 8 Cooling Fan Module LED Definitions 3 8 System Monitoring Chapter 3 Subsystem Monitoring 3 2 9 FC Ports LEDs CHO CH1 Gist N A Link Status N A Link Status Ned be Figure 3 8 LEDs on FC Ports SFP Cages Each FC port on the host I O modules has two 2 green LEDs The LED on the left is left undefined while the LED on the right indicates Fibre Channel link status See Figure 3 8 Green Status Link Activity Green ON indicates the FC link is okay OFF indicates the FC link is broken Table 3 9 FC Port LED Definitions 3 3 Audible Alarm Different controller environmental and operational parameters such as temperature etc have been assigned a ra
104. y distribute ongoing I O processes onto the hard drives B 2 Compatible UPS Supplies The APC SMART UPS series is compatible with the EonStor subsystems B 3 Serial Communication Cables Part Number IFT 9270CUPSCab The customized audio jack to DB9 serial communication cable for UPS monitoring should be purchased separately This cable is used to connect the controller module s on a subsystem to a UPS If you wish to use a UPS with your subsystem use an included audio jack to DB9 serial communication cables see Figure B 1 Figure B 1 Audio Jack to DB9 Serial Communication Cable A CAUTION The pinouts on the audio jack to DB9 serial cable used to connect to the UPS are different from the pinouts on the serial cables used to connect a PC running a terminal program When connecting the UPS device please be sure to use the correct cable Uninterruptible Power Supply B 1 EonStor A24F R2224 1 Installation and Hardware Reference Manual B 4 Connecting the UPS to the Subsystem B 2 B 4 1 B 4 2 B 4 3 Connect the PSU Module Power Cords The three 3 power cords shipped with the subsystem must be plugged into the power cord sockets in the rear of the PSU modules The plug at the other end of the power cord must be inserted into a socket on the UPS Please refer to the documentation that came with your UPS device to determine the location of these sockets The UPS must then be connected to main power Set the Baud R

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