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Terminal-Emulation (VT100) User Guide and LCD Front

1. Step Action Description Where to find No instructions 1 Indentify the The enclosure indicator lights Your enclosure failed controller show which controller has guide failed The VT100 message line also provides a partner controller status message 2 OPTIONAL If possible leave power to the Your controller Power off the disk drives otherwise power installation guide or failedcontroller off the entire enclosure your enclosure guide if performing a cold power off replacement 3 Insert the Follow the hardware Your controller replacement instructions to insert the installation guide controller replacement controller If the and or your power has remained on the enclosure guide replacement controller accepts the configuration from the surviving controller Part Number 775069 00 Rev A Commonly Used Procedures Step Action Description Where to find No instructions 4 OPTIONAL The controller accepts the Your controller Power on the configuration from the disk installation guide controller if drives The replacement and or your performing a controller accepts the enclosure guide cold power off configuration from the suviving replacement controller during the startup 5 MAY SKIP If Automatic Failback is Relinquish THIS STEP disabled use the Relinquish Controller on page Relinquish the Controller option to bring the 3 72 replacement controller online If Automatic con
2. 5 Start Feregreand Initialization 1 Shep Furegruemd Initialiratian 2 Stare Eg sbsbentu Gluck T itep tomsistencg feck amp Stark Concistency Check u REstsrr T Shep Cnmxiustenrg Check wfiectore Start HBebublls Shep Bebuild Farity check started successfully Frits aig key be cantlime Start Consistency Check Successfully Started Screen The consistency check starts immediately The option prompt indicates that the parity check has started successfully The message line provides a progressive report on the percentage of consistency check completed Part Number 775069 00 Rev A 3 53 Start or Stop Long Ops 4 Press any key to continue Select additional system drives for consistency check as described in Step 3 LOSTEILLEE TERE me HS irr AAF CORF CERRI DER 2 BOARDERS Pani UH CHE XB BB COMPLETE 2 Stark Feregreand Initialization Shep Furegruend Initialiratian Start Ginslstenty Chick Step Cossistency Eher Start Cencistency Check wfAesbere Shep Cosiistency Check effectors Start Behull Shep Bebuild ud de uA ree os Faritg check starbed successfully Pres aig key be Cantina Start Consistency Check Completed Screen The message line indicates when the consistency check has completed 5 Press any key to return to the Start or Stop Long Ops menu Stop Consistency Check To stop a consistency check that is in progress 3 54 VT100 User Guide Array Manageme
3. Message Description Warm Start A power cycle occurred and successfully completed Complete while the controller is performing I O and has a BBU present Write Policy SD The write policy for system drive is set to write Wx through WT or write back WB Error Codes Table A 2 Error Codes Error Code Description 0x0103 Host block count is zero 0x0104 Operation requested is not implemented invalid operation code 0x0105 Parameter specified is out of bounds 0x0106 Controller or system drive or physical device is busy 0x0107 Operation has been terminated 0x0109 Illegal parameter specified in command 0x010a First command to system drive 0x010b Physical drives not yet spun up 0x010c Initialization is in progress or already done 0x010d Check consistency is in progress 0x010e Bad data found in specified read range 0x010f Firmware slave operation failed 0x0110 Migration already in progress 0x0111 Maximum allowable of system drives already defined 0x0112 System drive to migrate is in CRITICAL mode 0x0113 System drive to migrate is not in ONLINE state 0x0114 Controllers are in dual active mode for Simplex MORE 0x0115 Failover still in progress 0x0116 Migrate command issued to system drive with more than one span 0x0117 Disk drive to add is already part of a system drive 0x0118 Disk drive to add is not in STANDBY mode A 6 VT100 User G
4. Add Logical Drive to Existing Physical Device Packs Enter Stripe Size Screen A new prompt appears at the bottom of the screen asking you to select the write policy for the logical device Write policy is described on page 2 22 For more detailed information refer to the Encyclopedia of Controller Fundamentals and Features PN 775041 Part Number 775069 00 Rev A 3 29 Configure Check Drive States 6 Enter the appropriate parameter for the write policy selected Press Enter COMTRILLEE TRE if GF ART Aiha Ten TM 5 Lag Dew Hunger OF Raid Level F Loy Bev Ibabe 1 Lug Dis Sipe BB NB Stripe Size KB d4 Phys Bees Beem 15 Wer BacH Het Theur Back Ad this saben drive ta the cpafiqgurabina Eater p Far yes n Far nek Add Logical Drive to Existing Physical Device Packs Confirm Addition of System Drive to Configuration Screen A Logical Device Selections screen appears This information includes the logical device number the RAID level the logical device state the logical device size MB the stripe size KB the number of physical devices used and the write policy 3 30 VT100 User Guide Array Management and Configuration Editing 7 To add this system drive logical device to the configuration and save the changes type lt y gt if not type lt n gt Press Enter This saves the configuration immediately LOSTEULLEE TERE me HE CHF af DS LDR Or f BOARS TSn 1 UH ogicel Gerioce Se le
5. Part Number 775069 00 Rev A C 7 configuration The host computers are attached to the controller s through a fibre channel arbitrated loop or through a switch SES SCSI 3 Enclosure Services provides support for disk drives power supply temperature door lock alarms UPS and enclosure services controller electronics The SES process polls each SES device once every 10 seconds Simplex A system with only one controller or a mode of operation where only one controller is active or present To perform a MORE Mylex Online RAID Expansion operation a dual active system must be in simplex mode SCSI Small Computer System Interface A technological standard that defines connections between computers and peripheral devices Stripe Size The stripe size is defined as the size in kilobytes 1024 bytes of a single I O operation A stripe of data is divided over all disks in the drive group Striping Refers to the storing of a sequential block of incoming data across multiple drives in a group This storage method increases the disk system throughput by ensuring a balanced load among all drives Surviving Controller A controller that has determined that its partner controller in a dual active pair has failed and has assumed the duties of both controllers C 8 VT100 User Guide Glossary System Drive Disk storage space on one or more physical drives which appears to the computer as one drive Sometimes referred to as a
6. Combines the benefits of disk mirroring RAID 1 and data striping RAID 0 JBOD Mylex RAID 7 The controller treats a single drive as a stand alone disk and provides a C 6 VT100 User Guide Glossary high performance cache Rebuild Refers to a physical drive state where the drive is in the process of being rebuilt During this process data is regenerated and written to the disk drive Redundant Array A RAID level that provides complete data redundancy In the event of a drive failure or removal the data can be reconstructed using the data on the remaining drives Replacement Controller A controller that replaces a failed controller Replacement Disk Drive A drive that replaces a failed drive See also hot spare Reset Controllers This operation performs a warm power cycle on the controllers A controller reset is required after changing some controller parameters and is recommended after making any changes to the configuration SAF TE SCSI Access Fault Tolerant Enclosure provides monitoring of power supplies fans and temperature in the cabinet SANmapping The SANmapping feature restricts host access to configured system drives similarly to the Programmable LUN Mapping feature Programmable LUN Mapping is incorporated into the SANmapping feature SANmapping is intended for use in configurations in which multiple host computers attach to one or more Mylex controllers or a Storage Area Network SAN
7. Configuration cleared Frets aig bey be CFE ie Clear Configuration Confirmation Screen Part Number 775069 00 Rev A 2 13 Configure Check Drive States Create New Disk Packs The Create New Disk Packs function combines selected physical devices into a device group The device group may be divided into one or more logical devices each with its own RAID level write policy and capacity Logical devices may be created until the maximum capacity of the device group is fully used or 32 logical devices are defined Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To create a new configuration 1 Select Configure Check Drive States from the Main Menu by typing lt 0 gt Press Enter 2 Select Create New Disk Packs by typing lt 1 gt Press Enter COMTENILLER THRE ae H iier apei DAF ICIRAT es BH Tanti iH Fartner Actige Fire Fig Ber i Physical Devices feailatle 1 1 358 1 LJ a Wate e uu z a 19H 3 qd 9 arasi 5 6 i ase D fi 41900 47950 T kh 94 1 895 B L 73 17055 a u 35 7dtH iB U H1 ep 11 a Ut JATIA LE a aF 17 338 13 a r o raeu Tk a aT 175 i ip 17358 is Ej arse i d Sk 17554 E b 55 d USR 13 5 arai 7n p dq7T254 71 L ar rroa rI a e arasi zi a Ti TES zh r ta T r T L ET 1735H zo 9 Hs
8. Yes 0 Disabled Set Drops new requests during failback cache flush operation Clear Returns Busy status during failback cache flush operation 19 SAF TE Data for UPS Support No O0 Enabled Set SAF TE monitoring of UPS is disabled Clear SAF TE monitoring of UPS is enabled if supported by the system enclosure 20 Node Name Retention Yes 0 Disabled Set Areplacement controller assumes the node name of the failed controller after failback Clear A replacement controller uses its own node name after failback 21 Failover Topologies Transparent Inactive Port Failover Yes Requires the use of 2 ports an active port for normal traffic and an inactive port for the partner controller s traffic when it is failed over Recommended only for FF controller 21 Failover Topologies Multiport Failover Yes Requires alternate path software All four host ports are connected to individual fibre loops Part Number 775069 00 Rev A 2 3 Information and Parameters Table 2 1 Controller Parameters Continued Parameter Reset Required Default Description 21 Failover Topologies Clustering Failover Yes Requires Clustering operating system This topology is not supported at this time 21 Failover Topologies Transparent Multiple TID Failover Yes Requires ISP2200 FFx and FF2 All ports are active with 2 ports sharing a
9. hebulLaling Show Drives Change Drive State Logical Device States Screen A list of logical devices and associated device states appears A list of possible device states is shown below the command line Refer to Table 3 1 on page 3 15 for more information on device states If no logical devices have been created the Logical Devices and States list is blank To change logical device states continue with Step 4 To show physical devices and change physical device states skip to Step 6 4 Enter the device number for a state change Press Enter Note The device state for only one device can be changed at a time Part Number 775069 00 Rev A 3 17 Configure Check Drive States COH HILLEE TERE a He iier Af E LL ALIS LLIBEL EA BORD RIS TSn 1 UH d States ogical Geri oes Select mew device state Fram aptisnr belme Offline 1 baline Show Drives Change Drive State Logical Device States Enter New Device State Screen A prompt appears asking for a new device state The parameters for the possible device states are provided Refer to Table 3 1 on page 3 15 for more information on device states 3 18 VT100 User Guide Array Management and Configuration Editing 5 Enter the appropriate parameter for the new device state Press Enter CUN HILLEE TERE 424 COF LORRI DOR ERU HU EHIEH FRARHE IEH Enter drive anbar for stete change ar hib esc Fre preedeus menu B Plies i
10. type lt c gt Press Enter Continue with Step 7 to create a logical device Create New Disk Packs Select RAID Level Screen If you want to save the configuration type lt s gt Press Enter Refer to Step 12 for saving the configuration If you do not want to create a logical device or you want to return to the previous menu without saving the configuration press ESC A new prompt appears at the bottom of the screen asking you to select a RAID level A list of valid RAID levels based on the number of physical devices selected is given Mylex supported RAID levels and a short description or each are presented in Table 2 2 For more detailed information refer to the Encyclopedia of Controller Fundamentals and Features PN 775041 Part Number 775069 00 Rev A 2 19 Configure Check Drive States Table 2 2 Mylex Supported RAID Levels RAID of Drives Fault Level Description Min Max Tolerant 0 Block striping is provided which yields higher 2 16 No performance than is possible with individual disk drives No redundancy is provided 1 Disk drives are paired and mirrored All data is 2 2 Yes 10096 duplicated on an equivalent disk drive 3and5 Data is striped across several physical disk 3 16 Yes drives Parity protection is used for data redundancy 0 1 Combination of RAID levels 0 and 1 Data is 4 16 Yes Mylex striped across several physical disk drives RAID 6 This level provides redunda
11. 3 Disk Write Through Yes 0 Disabled During error handling this turns on Verify Force Unit Access for reads and writes 4 Read Ahead Enable 1 Enabled Allows the controller to read into cache a full stripe of data at one time 5 Automatic Rebuild Yes 1 Enabled Allows the controller to take Management autonomous actions when a failed disk has been replaced 6 Operational Fault Yes 1 Enabled Allows the controller to take Management autonomous actions when a failure occurs 7 Super Read Ahead Yes 0 Disabled The Super Read Ahead function increases performance by always reading an extra cache line on a read request and reading a further cache line when a cache hit occurs on a pre fetched cache line 8 Rebuild and Check Consistency Rate No 50 Sets the initial value of the Rebuild and Consistency Check rate Range 0 50 9 Device Combing No Enables data traffic coalescing on the traffic of each device joining data from adjacent I Os into a single I O to improve performance 10 Disk Startup Mode Yes 0 Autospin AUTOSPIN Issues start to all devices automatically PWRSPIN Devices spin on power application WSSUSPIN Await SSU then start devices per AUTOSPIN 0 Autospin 1 Pwrspin 2 Wssuspin 11 Startup Number of Devices Yes 2 Sets the number of physical devices that spin up at one time 12 Startup Delay 1 Yes 6 Specifies the number of seconds between ph
12. B 8 VT100 User Guide Controller Logical Device and Physical Device Parameters Master Slave 4 Master Slave topology requires one active controller while the other controller remains inactive If the active controller fails in the Master Slave topology the surviving controller joins the loop and assumes the responsibilities for the failed controller This topology is not recommended for use with firmware version greater than 5 4 22 Override Multiport Reset The Override Multiport Reset restricts internal resets to ports that have logical devices reserved through that port If enabled an internal reset is executed by a port only if a logical device has been reserved through that port If disabled internal resets are not qualified by logical device reservations This parameter takes effect immediately without resetting the controllers Side Effects When this bit is set only the Reset Event receiving port and the reserved port are reset 23 Reset Propagation Default Disabled and requires controller reset The Reset Propagation function allows a port to issue an Internal Reset without causing a Reset Event to occur on its attached interface If enabled a port that issues an Internal Rest propagates the reset by causing a Reset Event to occur on its attached interface If disabled A port will not causes a Reset Event on its attached interface as part of issuing an Internal Reset Side Effects This is a legacy command This
13. This represents the physical device state Refer to Show Drives Change Drive State on page 3 14 for more information Lba This represents the logical block address of the physical device where the logical device begins This list also includes information on the logical device including Logical Device Number This is the randomly assigned RAID device number associated with this device Part Number 775069 00 Rev A 3 7 Configure Check Drive States e RAID Level This represents a valid RAID level Device State This represents the logical device state Refer to Show Drives Change Drive State on page 3 14 for more information Logical Device Size This is the size in MB assigned to this device during the create configuration process Cache Line Size This represents the size of the data chunk that will be read or written at one time and is based on the stripe size e Stripe Size This is the stripe size assigned to the configuration during the create configuration process Number of Physical Devices Used This is the number of physical devices assigned to this logical device Write Policy This indicates whether write through or write back caching is used for writing data to disk Return to the list of logical devices by pressing any key Repeat Step 5 for detailed information on other logical devices Press ESC to return to the previous screen or press ESC again to return to C
14. requests Both controllers are capable of taking over the host traffic operations of the other controller in the event of a failure Also referred to as duplex Environmental Device AEMI SAF TE or SES Environmental monitoring devices that detect drive insertion or removal power supply malfunction fan malfunction temperature extremes and UPS AC failure Failback A process by which a controller releases its partner controller from reset and allows it to re assume its duties Failed Drive A physical disk drive that has failed to operate properly or has been marked Offline Failed by the controller Failed Controller One of the controllers in a dual active configuration has been determined to be malfunctioning by its partner Failover A process by which a controller puts its partner controller in reset and assumes its duties C 2 VT100 User Guide Glossary Fibre Channel A data transfer interface technology that allows for high speed I O and networking functionality in a single connectivity technology GAM Global Array Manager A software utility developed by Mylex for use with Mylex controllers This utility is used to configure manage and monitor RAID arrays connected to one or two Mylex controllers Hard Loop ID A controller s preferred loop ID as specified by the saved configurations The controller attempts to acquire hard loop IDs during the LIHA Loop Initialization Hard Address phase of loop
15. 0200h Active Controller Controller Nexus 0201h Active Partner is survivor 0300h Failed Ping Time out 0301h Failed Negotiation Get chunk failure Part Number 775069 00 Rev A 3 67 Controller and Host Operations 3 68 Table 3 9 Partner Status Continued Value Partner State Description 0302h Failed Negotiation SCSI Communication Failed or Cables are wrong or Firmware versions builds are different 0303h Failed Negotiation Host ID mismatch 0304h Failed Negotiation SLIP DIFFL FBF Mismatch 0305h Failed Negotiation Disk Channels available mismatch 0306h Failed Negotiation Host Channels available mismatch 0307h Failed Negotiation Firmware version mismatch 0308h Failed Negotiation Firmware type mismatch 0309h Failed Negotiation Memory size mismatch 030ah Failed Negotiation Memory read of partner failed 030bh Failed Negotiation MS_INTNEG command to partner failed 030ch Failed Kill Partner command received 030dh Failed Partner failed during failback TID handover 030eh Failed Partner did not enter nexus after negotiation complete 030fh Failed Partner failed for unknown reason 0310h Failed Write Back Synchronization Failed on Channel 0 0311h Failed Write Back Synchronization Failed on Channel 1 0312h Failed Write Back Synchronization Failed on Channel 2 0313h Failed Write Back Synchronization Failed on Channel 3 0314h
16. 2 2 B 2 Autospin B 4 Available Space 3 26 Baud Rate 1 4 Break Command 1 5 C Cache Line Size 3 8 3 11 3 13 Capacity 2 14 Channel 2 15 2 27 3 2 3 26 Check condition B 6 Clear Configuration 1 7 2 11 3 14 Coalescing B 4 B 10 COD Configuration on Disk 1 10 Configuration create new 1 8 2 1 2 6 editing 3 1 initialize 2 1 save 2 1 Configuration on Disk COD 1 10 Configure arrays 1 2 check drive states 1 7 2 11 3 1 Part Number 775069 00 Rev A Index serial port 1 8 3 77 Configured device pack 3 24 disk drive pack 3 25 Connection 1 4 Conservative Cache Mode 2 5 performance B 12 Consistency Check 1 3 start 3 52 stop 3 54 Consistency Check with Restore start 3 56 stop 3 58 Controller failed 1 10 1 11 information 3 33 table 3 34 name 2 5 parameters 1 2 1 7 1 11 B 1 changing 2 6 default values B 1 get and set 2 6 3 41 replacing 1 10 1 11 resetting 3 74 surviving 1 11 Controller and Host Operations 1 8 3 65 Controller Name B 14 Controller Parameters 1 7 get and set 3 41 Controller Host Port 2 31 2 32 B 14 visibility 2 32 Create configuration 1 8 logical device 1 2 new disk packs 1 7 2 14 3 13 online spare 2 26 system drive 1 2 Index 1 D Data Bits 1 4 Debug Mode 3 77 B 9 B 10 Debug Port B 10 Device address 3 7 3 10 3 12 combing 2 2 performance B 4 group 2 14 number 3 20 size 3 2 state 3 3 3 7 3 8 3 10 3 11 3 12 3 13 3 20 changing 1 3 Disable BUSY s
17. Administer Manage and Monitor Arrays ssssss 1 3 Configuring for VT100 Terminal Emulation Mode eee 1 3 Commonly Used Keys and Command Options for the VT100 sene 1 4 Navigating the VT100 Terminal Emulation Screens sse 1 5 Starting the User Interface ssseeeeeene 1 5 Menu Str CtUre suite re ect exeat ben des 1 7 Commonly Used Procedures and Troubleshooting Guide sese 1 8 Creating a New Configuration eee 1 8 Adding New Disk Drives to Your Controller 1 9 Replacing a Failed Simplex Controller 1 10 Replacing a Failed Dual Active Controller 1 11 Replacing a Failed Disk Drive eeeeeeeeeees 1 12 Recovering Multiple Failed Disk Drives sssse 1 15 Recovering From Lost Logical Device Accessibility 1 16 Chapter 2 Setting up a new Configuration Configuring Simplex and Dual Active Controllers 2 1 Information and Parameters ssse 2 1 Get and Set Controller Parameters esses 2 6 Configure Check Drive States sse 2 11 Clear Configuration ssssseeeneenme 2 11 Create New Disk Packs sese 2 14
18. Create an Online Spare sse 2 26 SANmiapping M cento etre bare ie et ie edic De erii rt 2 31 Initialize Logical Devices eeeeeeeeeeennennnn 2 43 Start Foreground Initialization eeeeeeee 2 43 Stop Foreground Initialization seeene 2 46 Part Number 775069 00 Rev A vii Chapter 3 Array Management and Configuration Editing Configure Check Drive States cccccccesccceseeeeseeeeeeneesesteeesenreeees 3 1 View Current Configuration sese 3 1 Create New Disk Packs sese 3 13 Clear Gonfiguratioh 2 dene 3 14 Show Drives Change Drive State ssesssessssss 3 14 Search for Physical Devices sssseeeee 3 23 Add Logical Drive to Existing Physical Device Packs 3 24 SANmiappirig M itae D RR ER RR RE RR CERE TRIS 3 32 Information and Parameters sse 3 32 Get Controller Information seeeeeeeee 3 33 Get Logical Device Information ssseeeeeese 3 37 Get Physical Device Information sseeeeeee 3 39 Get and Set Controller Parameters sssesesesss 3 41 Get and Set Logical Device Parameters sss 3 41 Get and Set Physical Device Parameters 3 46 Get Physical Device Statistics esssse
19. Long Ops Start Foreground Initialization To perform a Foreground Initialization refer to Start Foreground Initialization on page 2 43 Stop Foreground Initialization To stop a Foreground Initialization that is in progress refer to Stop Foreground Initialization on page 2 46 Part Number 775069 00 Rev A 3 51 Start or Stop Long Ops Start Consistency Check Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To perform a Consistency Check 1 Select Start or Stop Long Ops from the main menu by typing lt 3 gt Press Enter 2 Select Start Consistency Check by typing lt 2 gt Press Enter CLOSITEILLEE TERE At ORF CERRI DO f s LER EU E UU HE XR BB COMPLETE 2 Stark Fsergreund Initialization Shep Foreground Imikialiratian Start Gnslstenty Check Step Cossistence Eher Start Concistency Check ujREzstsrr Shep Ensxistenrg Check w Essbnre Start hehull Shep Bebuild no i a ee Enter System lri ur pez Start Consistency Check Enter Logical Device Screen 3 52 VT100 User Guide Array Management and Configuration Editing 3 Enter the number of the system drive for which the consistency check is performed Press Enter CH HILLEE TERE AF HS E D AAF CORF CEART DE f MOHIR fen UH JD 33 t 2
20. PP PPP PPP Pa T THH Y YTYTY7YyYTTVYUyYTYTYTVYUYYTYTYTYVYTYYTYTYVYTYUYYY PEWTER Peeve TEN Enah le mr Eirahle amp ystem brise decess amp For enable d For dintahle SANmapping Enable or Disable System Drive Access Screen Part Number 775069 00 Rev A 2 39 SANmapping 11 Enable or Disable the system drive access Press Enter ZELLE UJ Ctaostreller B Port B System rinri amp o rH3 IEITIZYSTATS Pe Be ees ee Ww K kh M3 RRR REE Y F TTY DE m E om E E ode iA fis defjaedi Enst Index a PVP PPP PPR PPP Pa 1 FPP PPR PPR Pa o TZ z a a Select Sgsten Driusz to Disable Access rater choices as B 1 T 5 or d 7 5 SANmapping Select System Drive Screen 12 Select system drive s for which access status changes Press Enter 2 40 VT100 User Guide Setting up a new Configuration 13 Press ESC to return to the previous menu COMTEILLEE THRE as W iier ace DAF GARAT ibs j aiiiar H Active isten bries DL DG DD Er igen 18172131315 18 17 T8 122 12 Z2 HTA P 2 F 2H PUE 1 ERR KM 1ii112321015 188748197 02 122237475245272873231 611 PVP PRP PPP TYP PRP PPP Pea Alter Sgsten Grive In srnatian rater Uiew Host to Xystem Grove Hap rater o 3AM Happlig infanmition estem amp SANmapping Enter SANmapping Action Screen 14 To save SANmapping information type lt s gt Press Enter 15 Press ESC to return to the previous menu Pa
21. Park Dambinatian E DEFE d Cd F CEFR 3 ERA SANmapping Enter Controller Host Port Combination Screen Part Number 775069 00 Rev A 2 31 SANmapping 2 Select the controller host port combination for which SANmapping is to be changed CANI SIELLIBE Yo BAS Infor nati fr ives B12 945 6 Fa a UTES ee eae aa ths definar w k kW Ohhh i LUH Henter B41 F FAS BT E D PEELE TELELE AEREE E aTi rrei Fatah WixihisT PRP PREPPY PPP Pea all H sti PRR PPP Pe PPP ETY PPP Pa Enabled EWEN Pea AE TEN Options Alter Sgsten Grive Ia srnatian eeter x Uisw Host to Xystem Grove Hap Patir F Sae 30H Hapglig lifarmatlon patir 4 SANmapping Enter SANmapping Action Screen A LUN System Drive Information table appears showing the current system drive information including which system drives have been defined the LUN number whether this system drive is visible through this controller host port combination and whether this system drive is accessible to all hosts 2 32 VT100 User Guide Setting up a new Configuration 3 To alter the current LUN System Drive Information type lt a gt Press Enter Refer to Step 4 for instructions on how to alter the current LUN System Drive Information COMPEULLEE TERE LF ap Age CORF COART DO 2 BOARD RS Dani UH Partners Active taontreller B Port HB ul PTI OH SAH Happing hata LUH fgeten brive In ernatior Syntema Eriges W127329525 bP a a T
22. Part Number 775069 00 Rev A 3 59 Start or Stop Long Ops Start Rebuild Use the Rebuild function after a drive fails and is replaced This function restores the original information on the replacement drive This function is used if the automatic rebuild controller parameter is not enabled The Automatic Rebuild feature performs this operation without user intervention if the following conditions are met Automatic Rebuild is enabled Operational Fault Management is enabled Anonline spare is available and configured or a replacement drive has been inserted into the failed drive s configured location A Caution The replacement drive size must be the same or larger than the failed drive Note Rebuilding a drive may impact controller performance Use the Rebuild and Check Consistency Rate function described in Appendix B and Table 2 1 on page 2 2 to vary the resources that the controller allocates to the Rebuild process Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To perform the Rebuild function 1 Select Start or Stop Long Ops from the Main Menu by typing 3 Press Enter 2 Select Start Rebuild by typing 6 Press Enter 3 Enter the Channel Number of the physical device that will be rebuilt the failed device Press Ente
23. The foreground initialization stops immediately 2 Press any key to return to the Start or Stop Long Ops menu Part Number 775069 00 Rev A 2 47 Initialize Logical Devices 2 48 VT100 User Guide Chapter 3 Array Management and Configuration Editing This chapter guides the user through the administrative managing and editing features of the Mylex controllers The chapter follows the menu structure describing each menu item Items described in Chapter 2 are briefly described and reference to the appropriate location Configure Check Drive States The Configure Check Drive States menu provides options for viewing creating and deleting a configuration This menu also provides options for changing device states searching for devices and adding a logical device to an existing configured pack View Current Configuration Whether you are creating a new configuration or modifying an existing configuration viewing the current configuration provides the user with useful information Viewing the current configuration provides information about physical devices and logical devices used in the configuration Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To view the current configuration 1 Select Configure Check Drives States from the Main Menu
24. These examples may not reflect your system or configuration To Add Logical Drives to Existing Physical Device Packs 1 Select Configure Check Drive States from the Main Menu by typing 0 Press Enter 3 24 VT100 User Guide Array Management and Configuration Editing 2 Select Add Logical Drive to Existing Physical Device Packs by typing lt 5 gt Press Enter CUN HILLEE TRE ARF I CORF ICORA Oe 7 BOARD RIS TEn UH MCSSAGE ke Carrently befinrd ia Configuratiar Pack Fhys Eus Log Deus pack TFhys Devs Lop Deux 1a i 13 i a 5 7 a 1 a Enter pack numher For detailed inFarmakina Add Logical Drive to Existing Physical Device Packs Currently Defined Disk Drive Packs Screen A list of Disk Drive Packs Currently Defined in the Configuration appears The information includes the pack number the number of physical devices in the pack and the number of logical devices associated with the pack Part Number 775069 00 Rev A 3 25 Configure Check Drive States 3 CH HILLEE FPE a HS iHe AF DSF LDH EF f BOARS TSn 1 UH Pii IHs Leg Bevs Gn Fark 5 Space Available for Raid t Device HH 10100 Ereate mother systen drivs sn this pack Enker g Far yes n For maj For more detailed information on a specific pack enter the associated pack number Press Enter LI 1 car T cam 1 Cii 5 it L 7 paw fi can 1 14 CEH a 1T rs r T rss DE Los Add Logical Drive to Existing
25. by adding disk drives Step Action Description Where to find No instructions 1 Install the new Follow the hardware Disk drive installation disk drive s instructions to install the new guide disk drives 2 OPTIONAL Power must be supplied to the Your enclosure Supply power enclosure if installing a new guide to drive enclosure with drives enclosure 3 Show the Verify that the controller Show Drives drive s recognizes the new drive s Change Drive State on page 3 14 4 OPTIONAL Reset the controller s A controller reset may be required if the new drive s are not recognized by the controller This step is dependent on the enclosure Reset Controller or Channel on page 3 74 5 Show the Verify that the controller Show Drives drive s recognizes the new drive s Change Drive State on page 3 14 6 Create a new Create a new configuration Creating a New array using the additional drives now Configuration on available page 1 8 Part Number 775069 00 Rev A 1 9 Commonly Used Procedures Replacing a Failed Simplex Controller Replacing a controller in a simplex single controller system is relatively easy The replacement controller obtains the configuration information from the configuration on disk COD from the existing disk drives This procedure may require a controller reset during the COD update process Step Ac
26. by typing 0 Press Enter 2 Select View Current Configuration by typing 0 Press Enter Part Number 775069 00 Rev A 3 1 Configure Check Drive States If no configuration is available the following message appears LOSMIEILLEE IFPE aff ORF CERRI DOR Ff BOARD RIS Dani HU ew amp urrrat Cnafdqurating Create Heu Disk Packs Clear Cent iger ation a Shaw Orives Change Briar State Search Far Physical Bevirez Add Lagical rise tn Existing Fhysiral Device Packu Age bh hi cam Hu comfagurabion available Frets ary key t Cantine View Configuration No Configuration Available Screen If a configuration exists a list of physical devices used in the current configuration appears This list may extend over several screens depending on the number of devices associated with this system This information includes channel target IDs device size MB and the 3 2 VT100 User Guide Array Management and Configuration Editing device state Refer to Show Drives Change Drive State on page 3 14 for more information on device states CH HILLEE TERE AF CORF ILORA 0M f dE i Rm imd ali zk qun 1E EETL ETET iaia LEE ga papapa PEET LEET Eiai Udew List of Xystem riures See mexb page pF devices View Configuration Physical Devices in Configuration First Screen Part Number 775069 00 Rev A 3 3 Configure Check Drive States 3 Navigate through the screens by typing lt n gt f
27. generated on the host channel s approximately 1 14 seconds after a failover or failback occurs If Reset Immediately 15 is set a SCSI bus reset is generated immediately with no delay Note If you are using the Solaris operating system set this parameter to 5 Side Effects This is a legacy command This parameter is not applicable to fibre host controllers and has no effect 36 Simplex No Heset Default Disabled 0 and requires controller reset The Simplex No Reset function inhibits the reset signal normally sent from one controller to another controller in a dual active controller system This parameter is intended for use in simplex environments only 37 Queue Limit Default 32 The Queue Limit function specifies allowed queue depth for tagged commands to all attached physical device This is further limited to the device s own tag limit Allowed values are 1 to 230 A setting of 1 is similar to no tags If using coalescing set the queue tag limit to 2 This parameter takes effect immediately without resetting the controllers Part Number 775069 00 Rev A B 13 38 41 Hard Loop IDs Default Disabled 0 and requires controller reset This option allows you to enable or disable use of the controller host port and if enabled to define the hard loop ID Specifying the hard loop ID means that the same ID is always used The valid range for loop IDs is from 0 to 127 A value greater than 128 n or 0x80 n indicat
28. logical device or logical drive System Drive Affinity System drive affinity defines the host port s and controller s through which a particular system drive may be accessed System drives are presented to the host as LUNs Target ID TID Refers to the SCSI ID or the Fibre ID of a device attached to a controller Each drive channel can have up to 15 attached devices VT100 Terminal emulation interface that allows the user to access the controller through a PC without an additional utility Write Back Cache Refers to a caching strategy whereby write operations result in a completion signal being sent to the host operating system as soon as the cache receives the data to be written The target drive receives the data at a more appropriate time in order to increase controller performance Write Through Cache Refers to a caching strategy whereby data is written to the drive before completion status is returned to the host operating system This caching strategy is considered more secure since a power failure is less likely to cause a loss of data however a write through cache results in a slightly lower performance Part Number 775069 00 Rev A C 9 VT100 User Guide A Accessibility 2 32 set host 2 36 Add Logical Drive to Existing Physical Device Packs 1 7 Administer Configuration 1 3 Array Management 3 1 Automatic failback B 12 Automatic Failback 1 11 2 5 B 11 B 12 Automatic Rebuild 3 60 management
29. parameter is not applicable to fibre host controllers and has no effect 24 Serial Port Baud Rate Default 19200 and requires controller reset The Serial Port Baud Rate function sets the baud rate of the serial port when in VT100 or Debug mode This is ineffective when in SLP mode Options are 3 2400 424800 529600 and 6219200 Part Number 775069 00 Rev A B 9 25 Serial Control Read Only The Serial Control function is a read only function that controls the following serial port parameters CBITS7 0x01 1 gt 7 bits CSTOP1 0x02 1 1 stop bit CSTOP15 0x04 1 gt 1 5 stop bits CPARDIS 0x10 0 parity enabled CPARODD 0x20 0 gt parity even if enabled C2 SLP CTL UNUSED BITS Oxc8 26 Serial Port Usage Default SLP VT100 3 and requires controller reset The Serial Port Usage function sets the serial port to be used as either the SLP VT100 port or the debug port The debug port is for development use only Select SLP VT100 if you are using the serial port 27 Frame Size Control Default 2KB 0 and requires controller reset The Frame Size Control function sets the host fibre channel data frame size to either 512 bytes 1KB or 2 KB A frame size of 2 KB is recommended since it provides the largest packet transfers and the most throughput 28 Smart Large Host Transfers Default Enabled 0 The Smart Large Host Transfers function allows selection of Coalesce fewer disconnects on lar
30. the accuracy of the information contained herein this publication could include technical inaccuracies or typographical errors Mylex Corporation expressly disclaims liability for any error in this information and for damages whether direct indirect special exemplary consequential or otherwise that may result from such error including but not limited to loss of profits resulting from the use or misuse of the manual or information contained therein even if Mylex Corporation has been advised of the possibility of such damages Any questions or comments regarding this document or its contents should be addressed to Mylex Corporation 4900 Pearl East Circle Suite 104 Boulder CO 80301 6108 The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law MYLEX CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties or the limitation or exclusion of liability for indirect special exemplary incidental or consequential damages in certain transactions therefore this statement may not apply to you Also you may have other rights which vary from jurisdiction to jurisdiction Information in this publication is subject to change without notice and doe
31. the failed drive through Your disk drive user failed physical LED indicators on the guide enclosure device disk enclosure or by performing the guide or Show drive Show Drives Change Drive Drives Change Drive State function State on page 3 14 2 Remove and Follow the hardware Your disk drive replace the instructions to remove the installation guide failed disk drive failed disk drive and replace it in the same location 3 Change the The drive state for the Show Drives replacement replacement drive is Offline Change Drive State drive s state Failed The drive state mustbe on page 3 14 changed to Online Spare 4 Starttherebuild Initiate the rebuild procedure Start Rebuild on procedure page 3 60 1 14 VT100 User Guide Introduction and Navigation Recovering Multiple Failed Disk Drives Instances occur when several disk drive states are set to offline failed This might occur when replacing a failed disk drive and a working drive is inadvertently removed forcing the logical device to an offline failed status This might also occur when adding an enclosure of drives and inadvertently leaving power off to the enclosure While the following procedure does not guarantee full data recovery in most instances the data is restored without significant loss WARNING This recovery procedure must be implemented before any data is written to the disks The working disk drive must be re inserted before the failed di
32. the mmber nest tn fie paran Tm wee sore parameteru mirr m l Peet Che Cantrollirs M F Controller Parameters Updated Parameter Screen 7 Continue making changes until you have made all the changes necessary to the controller parameters A Caution Mylex recommends performing a controller reset following any parameter change The VT100 does not prompt for this reset but provides an option in the controller parameter screens 8 Ifa controller reset is required for the controller parameter changes to take effect type lt r gt Press Enter The controllers will reset immediately If a controller reset is not required press ESC to return to the previous menu Note Depending on the drive spin up settings the reset function may take several minutes to complete 2 10 VT100 User Guide Setting up a new Configuration After the controllers have finished resetting the STARTUP COMPLETE message appears Re enter VT100 mode by typing lt gt or the appropriate key sequence for your terminal emulation application Configure Check Drive States The Configure Check Drive States menu provides options for viewing creating and deleting a configuration This menu also provides options for changing device states searching for devices and adding a logical device to an existing configured pack The following procedures guide you through the necessary steps to create and or modify a configuration The options
33. 0 124 Max Targs Ch5 Maximum targets possible on physical channel 5 Range 0 124 Mem Size MB Memory size in MB Cache Size MB Cache size in MB FG Inits Active Number of logical device initializations active ConChks Active Number of consistency check active Rebuilds Active Number of reubilds active MOREs Active Number of MORE active This feature is not supported at this time FG Init Rate Initialization Rate Con Check Rate Consistency Check rate Rebuild Rate Rebuild Rate Num of COD Groups Number of Configured Groups Max IOP Maximum IOP Enquiry stat byte Enquiry Status Byte 10 BBU_NORESPONSE 40 BBU_POWER_LOW 80 DEFERRED_WRITE_ERROR Enquiry Misc Flag Enquiry Misc Flag Partner FW mismatch Partner Controller FW Mismatch Code Partner FW Version Partner Controller FW Version Controller slot O WWN Controller Identification SlotO Node Name WWN Previous Loop ID Previous Loop ID last acquired by each port Controller slot 1 WWN Controller Identification Slot Node Name WWN Previous Loop ID Previous Loop ID last acquired by each port 3 36 VT100 User Guide Array Management and Configuration Editing Get Logical Device Information Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 Thes
34. 00 These examples may not reflect your system or configuration To view the Physical Device Statistics 1 Select Information and Parameters from the Main Menu by typing 2 Press Enter 2 Select Get Phys Device Stats by typing 6 Press Enter 3 To obtain statistics on a specific physical device enter the Channel Number of the device Press Enter 4 Enter the Target ID of the device Press Enter EDHIENLTEE ITPE mM He iier ARF CORF CORRI DOR F BOARD RIS Darni UH Chasnel 1 Target IP 24 mier Fron startup PIEDE Hum Heads Dane u Hum Me ices Dane EF Hin Cmdz hotie HU Wa mdc Wilting 1 Enter XEsc Par preulaus menm Carriage retern fir refresh Physical Device Statistics Screen The Physical Device Statistics window displays 3 50 VT100 User Guide Array Management and Configuration Editing 5 To return to the previous menu press ESC The Physical Device Statistics definitions and possible values are described in Table 3 5 Table 3 5 Physical Device Statistics Statistic Parameter Definition and Range of Values Channel Channel Number Range 0 5 Target ID Target ID Range 0 124 Msec from startup Number of Milliseconds from last system controller power up Num Reads Done Number of reads done Num Writes Done Number of writes done Num Cmds Active Number of commands active on device Num Cmds Waiting Number of commands waiting to go on device Start or Stop
35. 17mg a a5 baa w d B araso ere ar iraa EL L ar 177e 31 WR Jarit 3T a Im a735i gm L 10I 1735U TA a am 1058 gi a he Be Options Enter list oF physiral dewices For config enter 1 Ire mert page oF devices ener n Create New Disk Packs Available Physical Devices First Screen 2 14 VT100 User Guide Setting up a new Configuration A list of available physical devices appears This list may extend over several screens depending on the number of devices associated with this system This information includes an arbitrary physical device number the channel target ID and the physical device size MB 3 Navigate through the screens by typing lt n gt for next page of devices or lt p gt for previous page Press Enter COMTEILLEE TAPE oe he ier aoe GF CART ie BOHRA Tan Ton Partner Acti Fii Pigs Deri 1 Physical Devices feailable 117 17350 2 179568 B dB zH 4a dz 175g a6 1754 5H 47254 Sh 17ra oF Tarii Bn drxs4 Ak 17758 wp 17m8 Tift Trise oE a resa ii b 17m ah 178 17715U ar TR 17150 El 1735 ot LEE EIU 5 LEE EA EF ater br 17358 5 1735 nk 1750 Ta 115 aqI35U ar E T7350 hit 7n Ls 76 Ire L z2 1779 Lr 38 1778 zl ag 4178 85 SE B n za dh 17750 1 CL dogs bi Br 177a bT HB 10H TB Enter list of physical devices for config enter 1 See next pagr pF devices mirr n Go t prevlows gage miler p LJ LJ 1 1 1 d 1 1 1 1 1 Ae omo zh oh oh ond nA ho ER m
36. 4 Table 3 4 Physical Device Information Information Selection Definition Channel Channel Number Range 0 5 Target ID Target ID Range 0 126 excluding 112 and 113 Config Status Configuration status bits Bit 021 if the physical device is part of a fault tolerant RAID configuration Bit 2 1 if the device is local to the controller Bit 2 0 if the device is remote to the controller Dev State Physical device state valid only if device is part of a RAID Fault Tolerant configuration Data Width Negotiated data width size in bits Device Speed Negotiated physical device speed in MHz per second Ports Number of port connections available for this device Chan Connect Info Channel Connection Information Bit 7 ChnB MSb Bit 6 ChnB Bit 5 ChnB Bit 4 ChnB LSb Bit 3 ChnA MSb Bit 2 ChnA Bit 1 ChnA Bit 0 ChnA LSb Max Tags Maximum Number of tags If the number is 0 device is working in non tagged mode MAC Address Network address MAC address 0 if MAC address is not valid Oper Status Physical device operations status Bit 021 if consistency check is in progress Bit 1 1 if rebuild is in progress Bit 221 if making data consistent is in progress Bit 3 1 if physicla device initialzation is in progress Bit 4 1 if data migratio is in progress Parity Errors Number of Parity Errors Soft Errors Number of soft errors 3 40 VT100 User Guide A
37. 75069 00 Rev A 2 43 Initialize Logical Devices 2 Select Start Foreground Initialization by typing 0 Press Enter LOSTEILLEE TERE of DMF CORRI O 2 BUHERBTS Dani ELM LI Stark Feregreand Initialization Shep Furegruend Imitialiratian Start Ginalatenty Check Step Cossistency Eher Start Cencistency Check w Aestere Shep Comdstency Check m Eskbure Start Bebull Shep Bebuild cod A ar dh hi i Enter Xystem riur Or Start Foreground Initialization Enter System Drive Screen 2 44 VT100 User Guide Setting up a new Configuration 3 Enter the System Drive number that you would like to initialize Press Enter EDMIEMNLTER TERE me HS E Ae CORF CEART DO f BOARD RS EU ER UU Start Feregreand Initislirstinpe Shep Foreground Inikialiratian rart Ginslstenty Chick Step Coss istency Eher Start Cencistency Check w Aestere Shep Comiistencg Check vf fewtore Start Behull Shep Bebuild no i Ae eo Initialize started seccescFully Frits aig Beg be cantlime Start Foreground Initialization Successfully Started Screen WARNING Selecting Yes immediately begins the initialization function Initializing the wrong system drives results in data loss The foreground initialization starts immediately The option prompt indicates that the initialization has started successfully The message line provides a progressive report on the percentage of initialization that has
38. Channel ID has failed ID C I Not Drive with ID Channel ID is not responding Responding ID C I Removed Drive with ID Channel ID has been removed ID n n Set to RBLD Drive with ID Channel ID has had a state change to rebuild A 2 VT100 User Guide Messages and Error Codes Table A 1 Messages Continued Message Description ID n n Set to SBY Drive with ID Channel ID has had a state change to standby ID n n Unconfigured Drive with ID Channel ID is not configured ID Mismatch at n n An ID mismatch has occurred with drive Channel ID Illegal Request Operation is no longer supported Illegal Operation Operation is illegal there is no Master Slave configuration Init SDRV Status monitoring the progress of initalization on system drive The LCD must be in monitor mode to receive this message Init SDRV Complete Initialization on system drive has completed Invalid drive Invalid choice of drive Invalid Device Invalid device address Invalid Option A submenu was not selected when required Mirror Race Following a power cycle a check is performed on Checksum the Mirror Race Table for valid data and parity Mirror Race CR SD A mirror race is being performed on critical system drive New COD Config A new COD configuration has been detected and will be accepted by the controller No arrays defined There are no syste
39. Disie B farsatiok J Get sad fet Controller Parameters k Get sad Set lagicasl Bevire Parameters Get and Set Physical Device Paranetere amp Get Pijelial bisite Tatliti s Enter Chanze Hembrr Get and Set Physical Device Parameter Enter Channel Number Screen 3 46 VT100 User Guide Array Management and Configuration Editing 3 Enter the Channel Number of the physical device for which parameters are being changed Press Enter CUN HILLEE TFRE ye f Aa BOHR IS LOH Eantrnller EnFarmatinm lagical Device Iofornatian Physical Diewlte Inbarmatios md Set Contreller Parameter aud Sek Lagical Gevirce Parsmekmrz aad Set Physical Device Faraneters Fmusical Deslte itatisties Get and Set Physical Device Parameter Enter Target ID Screen Part Number 775069 00 Rev A 3 47 Information and Parameters 4 Enter the Target ID for the physical device for which parameters are being changed Press Enter COH HILLEE TERE li ARAF DOF ICIAR EF BOARDS TSn DU PUH Physical Device Par ane fies 1 Transfrr Speed mhz E Th Transfer Widen hitaj d Enter Esci Far preulaus menm a digit 1 2 t p t a garamet r Get and Set Physical Device Parameter Enter Parameter Screen A list of physical device parameters appears showing the current settings This list includes Transfer Speed MHz This parameter sets the maximum transfer rate for each device The possible settings are 0 for asyn
40. Failed Write Back Synchronization Failed on Channel 4 0315h Failed Write Back Synchronization Failed on Channel 5 0316h Failed Negotiation Firmware build mismatch VT100 User Guide Array Management and Configuration Editing Table 3 9 Partner Status Continued Value Partner State Description 0317h Failed Negotiation Device Channel cables are crossed 0320h Failed Hot pull of partner detected while nexus active 0321h Failed Partner absent at boot 0322h Failed Power failed before failover finished 0323h Failed Power failed before relinquish finished 0324h Failed Controller Controller locking had unrecoverable SCSI error 0400h Removed Partner is removed 0500h Inserted Partner is inserted Table 3 10 Dual Active Controller Information Field Description Navtive Slot Identifies the controller slot number that services Number the Target ID used to send this command when there is no failed controller Controller Slot Identifies the actual controller slot number Number Native TID Set if this command was received on the controller s primary TID SCSI TID Identifies the TID used to send this command Port ID Identifies either the TID used to send this command parallel SCSI or the Loop ID used to send this command Fibre SCSI Part Number 775069 00 Rev A 3 69 Controller and Host Operations Kill Partner The Kill Partner function allows the u
41. IN mode the SCSI Startup Delay 2 function sets the number of seconds for a SCSI ID based motor spin delay The device has power immediately but waits n seconds multiplied by its SCSI ID before starting its motor The SCSI Startup Delay 2 function is normally set to 0 for AUTOSPIN mode Part Number 775069 00 Rev A B 5 For PWRSPIN mode the SCSI Startup Delay 2 function sets the number of seconds between physical device startup cycles The value should be set to the enclosure s power delay between powering banks of devices Possible settings are 0 to 255 seconds 14 Vendor Unique Test Unit Ready Default Disabled 0 and requires controller reset The Vendor Unique Test Unit Ready TUR function enables a vendor unique TUR response sent to an offline LUN If disabled a hard error status 4 00 00 is returned If enabled a Not Ready status 2 04 03 is returned 15 Disable Check Condition for Invalid LUN Default Enabled 1 and requires controller reset When enabled disables Check Condition for an invalid LUN This effects the handling of the INQUIRY command when the referenced LUN is invalid If enabled The INQUIRY command returns data with the peripheral qualifier indicating that the peripheral device is not connected If disabled the INQUIRY command will be failed with a Check Condition of Illegal Request LUN Not Supported A controller reset is required before this parameter takes effect 16 No Pause on Controller Not Rea
42. Negotiation memory size mismatch Partner failed 10 Negotiation memory read of partner failed Partner failed 11 Negotiation cache memory size mismatch Partner failed 12 Kill Partner command received Partner failed 13 Partner failed during failoack TID handover Partner failed 14 Partner didn t enter nexus after negotiation complete Partner failed 15 Partner failed for unknown reason Partner failed 16 Write Back Synchronization Failed on Channel 0 Partner failed 17 Write Back Synchronization Failed on Channel 1 Partner failed 18 Write Back Synchronization Failed on Channel 2 Partner failed 19 Write Back Synchronization Failed on Channel 3 Partner failed 20 Write Back Synchronization Failed on Channel 4 Partner failed 21 Write Back Synchronization Failed on Channel 5 Partner failed 22 Negotiation firmware build mismatch Partner failed 23 Negotiation device cables are crossed Partner failed 31 Room for channel expansion Partner failed 32 Hot pull of partner detected while nexus active Partner failed 33 Partner absent at boot Partner failed 34 Power failed before failover finished Partner failed 35 Power failed before relinquish finished A 4 VT100 User Guide Messages and Error Codes Table A 1 Messages Continued Message Description Partner removed Partner is removed Partner inserted Partner is inserted Possible Data Loss Possible data
43. OMPLETE gt Stark Feregreand Initialization Shep Furegruend Inikialiratian Start GB sbsbeneg Check Step Comsistenog heck Stark Cencistency Check wfAestere Shep Enmaistenrg Check effectore Start hella Shep Bebuild i e A ar ih hh a Enter optien S amp sc gt Far previous menu Start Consistency Check with Restore Completed Screen The message line indicates when the consistency check with restore has completed 5 Press any key to return to the Start or Stop Long Ops menu Stop Consistency Check with Restore To stop a consistency check with restore that is in progress 3 58 VT100 User Guide 1 PITT CHEN FARILER DUDE Hh 5 Start Feregreand Inibislizatinm 3bep Comsistenog Check Start Cengistency Check wfAesbere Shep Bebuild Pris aig Beg t Canblime Array Management and Configuration Editing From the Start or Stop Long Ops menu select Stop Consistency Check w Restore by typing lt 5 gt Press Enter nes CORF CORRI LES 2 BUHEBTS Darni ELM Shep Furegruend Inikialiratian Start be nsbsbenry Check Shep Cnssistenrg Check effectore Start hella Start Consistency Check with Restore Stopped Failed Screen The consistency check with restore stops immediately The message line indicates that the consistency check with restore failed due to code 4 Refer to Appendix A for a complete list of messages 2 Press any key to return to the Start or Stop Long Ops menu
44. Paice ire E 7 Blzable que Fell i bis G39 states 1 4 19 EAF TE UPS Bata 20 Fl names retaia t FB parame 273 Multipart rewet override 8 FI Propagate reset i k ferial bau 19208 25 5 rial parami r b tF 26 fer Port Ue 3LPUT 275 Frame Cpartrol i Sevlerg Host fersi 0 20 PEL Lotenny 1 d 1 Ferre ingles 21 Enter the meu value Far the parameter derinal Walid Value Range is B ta 1 Controller Parameters Enter New Parameter Value Screen Part Number 775069 00 Rev A 2 0 Information and Parameters 6 Enter the new value for the controller parameter A range of allowable values is provided for each controller parameter Press Enter I CUMTEULLEE TRE ARF ORF LORRI DOR EEUU a 4 Hwassinn om sect B 2 Trur Verify i 0 urt Thru Yerifg B hj feo Bead Enable 1 51 fete Abla Heec 1 5j Oger Fault HqnL 1 75 Super Head head i amp 4 Cher amp Gan Hate 1 50 G Bevice Damkbing 7 16 Disk Start up Md d 11 Bum Dreux SEark z 12 Xkark Fly 1 10 Start Fly 7 E Th WU FUN veis E E 15 Dis thick cd i 1 16 Le Paastiobrottis B 77 Blzable que Fell amp 18 bis O69 status 1 19 BOF TE UPI Bata c d 2H Fl names retain D 71 FB param H 225 Multipork rewet ausrrridg 8 FI Propagate reset H ferlal baud 1928 25 S rial parami Fo s12 26 fer Piet Ups SDPUI I 38 Sefleg Host XFerzz 29 PEL Labenmcu 1 d 31 Perce pimples 21 APTE T IEH Ts rhamje a parameter walur mmber
45. Physical Device Packs Create Another System Drive Screen 3 26 A list of physical devices associated with the drive pack appears The list includes channel target ID and RAID device address information for each physical device Logical Device information also appears including the number of logical devices in the pack and the amount of space in MB available for additional RAID n devices The RAID n device is the RAID level of the last logical device defined in the device pack Although logical devices may have only one RAID level RAID levels can be mixed within a device pack Possible combinations include RAID 3 and RAID 5 RAID 5 and RAID 0 1 Mylex 6 and RAID 3 and RAID 0 1 Refer to Table 2 2 for a description of Mylex supported RAID levels Refer to the Encyclopedia of Controller Fundamentals and Features for more information on RAID levels and device packs VT100 User Guide Array Management and Configuration Editing 4 Type y to create another system drive logical device or type n to return to the previous menu Press Enter CUN HILLEE TERE AFI COFF CIKA Oe f BOD RIS EG UH Lab E e r 1 canm com 1 h Cii G 5 coe J 7 taw 1 cana 1 T4 CEHE a 17 rnm r Tr Ce ze Lum Leg Bevs Gn Fark 5 Space Available for Raids t Device HH 10100 Select FATE Level RAIDE 1 HAIDi J RATE 5 ES a Hh 7 HT Add Logical Drive to Existing Physical Device Packs Select RAID Level Scr
46. Reassign Restricted to One Block Default Disabled 0 and requires controller reset The Reassign Restricted to One Block function limits reassigning failures to the single failed block This parameter is limited to recovered errors and medium errors If the sense on the error does not indicate one of these errors then this setting does not apply When the Reassign Restricted to One Block is disabled all reassigns are for the entire I O process possibly a large number of blocks where not all have failed Part Number 775069 00 Rev A B 1 2 True Verify Default Disabled 0 and requires controller reset If this option is disabled the Verify command returns a status without data comparison If this option is enabled the Verify command compares data before returning a status Enabling this parameter compromises performance 3 Disk Write Through Verify Default Disabled 0 and requires controller reset The Disk Write Through Verify function enables Force Unit Access for reads and writes during error handling Force Unit Access bypasses the cache and forces all reads and writes directly to or from the disk Side Effect For some devices enabling Force Unit Access reduces sequential write performance by 86 4 Read Ahead Enable Default Enabled 1 The Read Ahead Enable function improves data retrieval performance by allowing the controller to read into cache a full stripe of data at a time This greatly improves the percentage of
47. Reset delayed 15 Resets immediately 36 Simplex No Reset Yes 0 Disabled Simplex only Allows a controller to not assert the reset signal to the partner controller 37 Queue Limit No 32 Sets the maximum allowed queue depth for tagged commands to each attached drive Range 1 230 38 41 Hard Loop IDs Yes Set for each controller host port Allows for the use of the same Loop IDs all the time 42 43 Controller Name Read Only Not Applicable Allows the controllers to have user assigned names Part Number 775069 00 Rev A 2 5 Information and Parameters Get and Set Controller Parameters Before making any changes to the default parameter settings please read the descriptions of the parameter settings provided in Appendix B and fully understand the implications of the change that is about to be made Refer to Table 2 1 on page 2 2 for a listing of all controller parameters The default settings controller reset requirement and a short description of each parameter is provided WARNING Saving parameter changes causes the controller s working parameters to change This can produce unpredictable results if it occurs during host drive activity Stop all controller activity before saving parameter changes Inappropriate changes to the parameter settings can result in degraded performance or data loss If you intend to change any of the controller parameters i
48. Sdece thin i the First mysEsm drive Per the controller enter a stripe slow this tli will alee Be asid for all iubsijusnE opatan drives Create New Disk Packs Enter Stripe Size Screen A new prompt appears at the bottom of the screen asking you to enter a stripe size The parameters for the possible stripe sizes are given You are prompted to select a stripe size for the first logical device created All other logical devices and configurations assume this stripe size Part Number 775069 00 Rev A 2 21 Configure Check Drive States 8 Enter the appropriate parameter for the stripe size selected Press Enter Partner Actige Log Deus L LFg WB 1 Hun Ih Targ SisriHhi a LJ 1 TB 1 u a Tw 2 T araci i g 9 qnss Lj b 1759 177a 7 T4 Faso LJ E zt 1ra 1a B 134 1 UtB 12 u af n3 3 B 39 Trise i5 ip imici AF DS ALS LL OF Lise 5 W 2 5 u 35 u hk Select Heibse Thru ar Writr Hack Uriks Thrg d Wribks Bark Tun d ELM Tess 17a 17258 gari LEE ET Create New Disk Packs Select Write Policy Screen A new prompt appears at the bottom of the screen asking you to select the write policy for the logical device The write policy determines the caching strategy for write operations Write Through writes data to the device before returning completion status to the host Write Back returns a completion status to the host as soon as the cache receives the data The target device receives th
49. TAAii TAa aT fis definar PPK hea oe LUH Hembsr B41 F F458 BT wD VES bP 1222327475245277873931EM WixihisT PRR PPP PPP PP Pe Pa SL H sti PPR PPR PPP PPP PPP Pea Enabled FEWIEN Praane ten 5 Enter Xystem Grave number SANmapping Enter System Drive Screen To View the Host to System Drive Map type lt v gt Press Enter Refer to Step 8 for instructions on how to view the current Host to System Drive Table To save the current SANmapping Information type lt s gt Press Enter Refer to Step 14 for instructions on how to save the current SANmapping information Part Number 775069 00 Rev A 2 33 SANmapping 4 Enter the System Drive Number for which the SANmapping is to be altered Press Enter Systrm Bridges TOUTE 1914159 Tin 18 192 12 2232378275 262 a K M uw KK FERS TESTARI EE H2723747576527287331E0 VY PPP PPE PPP Pe y TTFFYYYTYYY E 1i FF TF ru HHE rad uF TYT Enabled ERIE H Pea AHE 7 Enter LIN monger Far this ystra Brise rater m far nn LER sunder SANmapping Enter LUN Number Screen 5 Enter the LUN Number for this system drive Press Enter 2 34 VT100 User Guide Setting up a new Configuration 6 Set the Visibility for this system drive Press Enter TOMTEILLER TEPE on he ier APAI CERF LGRART LGR ROMER Tan LOH Partner Actives fontrellgr B Port HU a 1Er112131415 14 17 1H 182 12 22327425282 T2 PEE M ibs defined Ww W WWW WM LUH Humber 1 TRATES EFE EEEL eed Wisihi T TR
50. Terminal Emulation VT100 User Guide and LCD Front Panel Status Guide June 5 2000 P N 775069 00 Rev A Terminal Emulation VT100 User Guide and LCD Front Panel Status Guide Part Number 775069 00 Rev A June 5 2000 Copyright 2000 Mylex Corporation All Rights Reserved All contents of this manual are copyrighted by Mylex Corporation The information contained herein is the exclusive property of Mylex Corporation and shall not be copied transferred photocopied translated on paper film electronic media or computer readable form or otherwise reproduced in any way without the express written permission of Mylex Corporation Greetings This manual describes procedures and functions available through the Terminal Emulation VT 100 interface utility Requests for technical information about other Mylex Corporation products should be made to your Mylex authorized reseller or Mylex marketing representative Please Notice Mylex and SANmapping are registered trademarks of Mylex Corporation Global Array Manager GAM Workstation Array Manager WAM and Mylex Onboard Raid Expansion MORE are trademarks of Mylex Corporation MS DOS and Windows NT are trademarks of the Microsoft Corporation VT100 is a trademark of Digital a division of Compaq Corporation Unless otherwise noted companies names and data used in examples herein are fictitious Our Policy Although reasonable efforts have been made to assure
51. V UPPER Pee Bii Hista PPP Pree Enabled Sek Visibility Far this Zyzstem Grave y Far uisible n fer aot visible SANmapping Enter Visibility Screen Part Number 775069 00 Rev A 2 35 SANmapping If you select lt n gt or no for the visibility you are returned to Step 3 to make further changes View the Host to System Drive Map or to Save the SANmapping Information COMTEILLER THRE ae H amp der a DAFI CORAT ef ees Tae i 0H Partner Actius Ctaostreller B Port HU PU OHS SAH Happing to LOW Sgeten Grieve In ernmatiar System Eriges B12 8 8S ry a IE 1711411517 1H127I 122232425262 eae fis definar w k kW ehh i LUH Henter BFP AS BT BD VES TELELE AEREE E aTi nEri Falah WinibleT PHVV RP PREPPY PPP Pee Pea alil H sti T7 HYP PRY PPR Pee Pe PPP Pe Enabled EWEN Pea AE TEN Options Alter Sgsten Grive In srnatian rater x Uisw Host to Xystem Grove Hap eater F Xie 30H Hapglig lifarmatlok patir 4 SANmapping Set All Host Access Screen 7 Select whether this system drive has accessibility to all hosts Press Enter Continue making LUN mapping changes to other system drives as necessary After you are finished either View the Host to System Drive Map or Save the SANmapping Information 2 36 VT100 User Guide Setting up a new Configuration 8 View the Host to System Drive Map by typing lt v gt Press Enter 7 BIHIR Darmi EU System Bridges Bi a 5 y a r TTA SA aaa s s define
52. a r 28 Leg Host X erzsz D 29 PEI Latemy d uta Failhsck 7 T1 Ferre jingles z1 Ts change a parameter ualur sober the minber neat tn the paran Ts wee more paraneteru mirr m l pest Ene CRLF ODL Ss ier F Controller Parameters First Screen Part Number 775069 00 Rev A 2 7 Information and Parameters 4 Type lt m gt to see additional controller parameters Press Enter EDMIEMLTEKR TERE me Hm oer a Epuurru Cache Dy 12 Deplex FILE amp qnix d 1 Duplex sige ch W B Hiit reset delay B 34 Simples ne riean Queue Limit I af Hard Leap d CHzPB dab 393 Rard Lang ld DEF ff Hard Lpap d E1 PH ie 13 Bard Lang 1d 3 F1 iki Ciitroller 8 ike read miles PEO eee Ceatroller i name reos calgi W b 3 amp 5 Ts Change a parameter walur enbser the mumber neat tn the paran Te wee the preelous parameters ener p le reset Ehe Cntr ollies H F Controller Parameters Second Screen 2 8 VT100 User Guide Setting up a new Configuration 5 Select the controller parameter you wish to change by typing the associated number Press Enter CUN HILLEE TERE Aff BE LL als uL ib C E Urt Thru Urrify 1 Eeaieign nme xerit Trur Verity il 1 bger Fault Mga kj Besi ehitad Enable Rete Abla hyat i 7 Super Read Ahead Chere fon Aste 1 5 G Bevice Conk ng Disk Starkt op Hd d 11 Bum Drue SEark Tkark Ely 3 gt Ztart Fly 2 Tha Wu FUE vers EI 5 Dis thick cid i T Dem
53. art or Stop Long Ops menu 3 62 VT100 User Guide Array Management and Configuration Editing If an incorrect Channel Target ID number is given for the physical device to be rebuilt the following error message appears EDMIEMLTER TERE me HE Her nes DRL CORRI LER 2 BUHEBTS Dani ELM UL SE EJ CUH LETE 1H Start Feregreand Inibislizatinm Shep Furegruend Iniftalicatian Start b amp nsbsbeney Check Step Com istency Heck Shark Cencistency Check wfAesbere Shep Comistencg Check effectore Start hella Shep Bebuild fi 1 rd 3 k UE ELT Hsbuild failed inwalid device address Pris ab key t Cantlime Start Rebuild Invalid Device Address Screen Press any key to continue Stop Rebuild To stop a rebuild that is in progress Part Number 775069 00 Rev A 3 63 Start or Stop Long Ops 1 From the Start or Stop Long Ops menu select Stop Rebuild by typing lt 7 gt Press Enter LOSTEUILLEE TERE me HE der nes DBF COART DOR 2 BOARS Dani ELM BHLO FHILEPR DU3DE Hh PE OH 7 Start Feregreand Initialization Shep Furegruend Inikialiratian Start bansbsbeneg Check Step Com istency Eher Shark Cencistency Check wfAesbere Shep Cosistencg Check m Esxtnre Start hehubla Shep Bebuild i ke i Friis aig key b banti imie Start Rebuild Stopped Failed Screen The rebuild stops immediately The message line indicates that the rebuild failed due to code 4 Refer to Appendix A for a
54. ation 1 3 N No Pause on Controller Not Ready 2 3 B 6 Node Name Retention 1 11 2 3 B 8 O Offline Failed logical device state 3 15 physical device state 3 15 Online Critical logical device state 3 15 Online Critical and Rebuilding logical device state 3 15 Online Optimal logical device state 3 15 physical device state 3 15 Online Rebuild physical device state 3 15 Online Spare 3 60 physical device state 3 15 Operational Fault Management 2 2 3 60 B 3 Override Multiport Reset 2 4 B 9 P Pack Number 3 25 Parity 1 3 1 4 Partner Controller B 12 PCI Latency Control 2 5 B 11 Performance B 2 B 3 B 4 B 12 Physical Device 3 2 changing device state 3 20 drive pack 3 26 information 3 39 table 3 40 number 2 15 2 27 in pack 3 25 used 3 8 3 11 3 13 Index 4 parameters 1 7 3 48 B 1 B 15 get and set 3 46 size 2 15 2 27 state 3 15 offline failed 3 15 online optimal 3 15 online rebuild 3 15 online spare 3 15 unconfigured offline 3 15 statistics 3 50 table 3 51 Procedures common 1 8 Protocol 1 4 Pwrspin B 4 Q Queue Limit 2 5 B 13 R RAID 0 2 20 striping 2 20 RAID 0 1 2 20 mirroring 2 20 striping 2 20 RAID 1 2 20 mirroring 2 20 RAID 3 2 20 parity 2 20 striping 2 20 RAID 5 2 20 parity 2 20 striping 2 20 RAID Device 3 46 B 15 address 3 26 number 3 6 3 43 B 14 RAID Level 1 2 2 14 2 19 3 6 3 8 3 11 3 13 3 27 3 43 B 14 RAID Technologies 1 2 RAID Type 3 6 Read Ahead Enable 2 2
55. atus 1 HiIl Fartner 7 Helliqulish DGeatrnll er 3 Aeset Controller of Channel kh Get Host H Table Enter optien 2 amp sc gt Far previous mera Relinquish Partner Controller Partner Active Notification Screen A status message appears stating that the partner controller is now active 4 Press ESC to return to the previous menu Part Number 775069 00 Rev A 3 73 Controller and Host Operations Reset Controller or Channel Some controller parameters do not take effect until the controllers have been reset Mylex also recommends resetting the controllers after creating a new array configuration The reset channel function issues a bus reset to the selected channel To reset the controller s or channel 1 Select Controller and Host Operations from the Main Menu by typing lt 4 gt Press Enter 2 Select Reset Controller or Channel by typing lt 3 gt Press Enter LOMITEILLEE TERE of He ier Aa ORF ICIAR OF f MONLRIS TSn 1 UH Ers Contraller me Fhysiral Chansel c controller p phys channel Controller and Host Operations Reset Controller or Channel Screen 3 74 VT100 User Guide Array Management and Configuration Editing 3 Select Channel by typing lt p gt Press Enter CUN HILLEE IEPE ne HS Her AAF LOR CIAR Oe f BOARDS TEn UU Enter a channel numher 2 1 2 3 5 5 Controller and Host Operations Reset Channel Screen 4 Select the appropriate channel number to reset T
56. ay replace a failed disk drive or replace a failed controller Creating a New Configuration Use this procedure when you want to set up a new system or clear an existing configuration and replace it with a different configuration Step Action Description Where to find No instructions 1 Check and Make any required changes to Get and Set change any controller parameter settings Controller parameters if Controller reset may be Parameters on page necessary required for some parameter 2 6 changes Refer to Table 2 1 on page 2 2 for a description of parameters and resetting requirements 2 Clear the Clear any existing Clear Configuration configuration configurations before creating on page 2 11 a new configuration This step may not be necessary 3 Create the Manually configure physical Create New Disk configuration devices into an array Packs on page 2 14 1 8 VT100 User Guide Introduction and Navigation Step Action No Description Where to find instructions 4 Alter the logical Make any changes to logical SANmapping on device device accessibility through page 2 31 accessibility SANmapping 5 Initialize the Initialize the newly created Start Foreground logical devices logical devices Initialization on page 2 43 Adding New Disk Drives to Your Controller Use this procedure to expand your array s storage capacity
57. cache hits For small transfers the read ahead algorithm helps with performance For example if the stripe size is set to 8K and the host requests 1K of data when this function is enabled the controller reads ahead the full 8K When the host requests the next 1K block that data is already in the controller s cache This function should remain enabled during normal controller operation 5 Automatic Rebuild Management Default Enabled 1 and requires controller reset The Automatic Rebuild Management function allows the controller to take autonomous actions when a failed disk has been replaced or a configured online spare disk drive is present The Automatic Rebuild Management function works in conjunction with Fault Management and features in SAF TE and SES certified disk array enclosures to detect the removal of a failed disk drive The Automatic Rebuild Management function also performs an automatic rebuild after a replacement disk drive is installed into a redundant fault tolerant array RAID 1 RAID 3 RAID 5 and RAID 0 1 Side Effect Without this enabled a host must issue the rebuild command B 2 VT100 User Guide Controller Logical Device and Physical Device Parameters 6 Operational Fault Management Default Enabled 1 and requires controller reset The Operational Fault Management function allows the controller to take autonomous actions when a failure occurs Actions that the Operational Fault Management functio
58. ces then waits the specified Startup Delay 1 again This cycle repeats until all devices have been issued Start Unit commands This mode proceeds with a sequence delay specified by the SCSI Start Delay 2 parameter while the drives become ready Ready is equal to the on power spin up mode The sequence delay will not exceed a maximum of 75 seconds The sequence delay is normally 0 when drives are jumpered to spin immediately on power up but can be set to a number of seconds for a target ID based motor spin delay where the drive has power immediately but waits n seconds multiplied by its target ID before starting its motor PWRSPIN 1 Devices spin on power application This mode is designed for systems where drives are powered on in sequence by the drive enclosure This mode waits the amount of time specified in Startup Delay 1 after which the first bank of devices is expected to be ready The first bank of drives are then checked This wait check cycle repeats for each subsequent bank of drives Startup ft Devices is ignored for this mode The Startup Delay 1 is set to the drive power on to spin time and the SCSI Startup Delay 2 is set to the enclosure delay between powering banks of drives This mode assumes all drives with the same target ID are in a bank VT100 User Guide Controller Logical Device and Physical Device Parameters WSSUSPIN 2 The controller waits for the host to issue an SSU Start Stop Unit command then perfo
59. ch controller shares its node name with its partner controller through failover however when failback occurs the replacement controller uses its own node name When enabled each controller shares its node name with its partner controller and those names are used through all phases of failover and failback Side Effects Not having this bit set has serious ramifications if the controllers are connected to a host that uses node names to locate logical devices 21 Failover Topologies This option requires controller reset This option sets the Fibre Channel port topology The choices are Inactive Port 0 One active and one inactive port per controller The active port is for normal traffic while the inactive port is for the partner s traffic when it is failed over This topology is only recommended for the FF controller Multiport 1 All host ports are active and connected to individual fibre loops This topology requires alternate path software and does not support transparent controller failover failback Clustering 2 This topology requires a clustering operating system This topology is not currently supported Multi TID 3 Provides the controller with the ability to function as multiple target ports on a single arbitrated loop During failover the surviving controller enables a virtual port impersonating the ports from the failed controller This topology requires ISP2200 processors available on the FFx and FF2
60. chronous 5 10 20 40 80 and 1000 for fibre Transfer Width bits This parameter determines the maximum data transfer width size in bits The possible settings are O serial 1 8 bits and 2 216 bits 3 48 VT100 User Guide Array Management and Configuration Editing 5 Select the parameter you wish to change and enter the corresponding number or press ESC to return to the previous menu Press Enter IHESU ER LN d We oir Af DOF LDH R 0m f BOARS TEn UH PTL Oe 5 Physical Device Parameters 1 Transfer Speed miz E F Transfer Widen hiEx d Enter transfer speed H amp r valid ealees are if 7B hd EB 106 Fihre Get and Set Physical Device Parameter Enter Parameter Value Screen The selected parameter and a range of possible values appears 6 Enter the new value for this physical device parameter Press Enter The physical device parameter is updated 7 Select another parameter to change or press ESC to return to the Information and Parameters menu 8 Reset controllers These changes do not take effect until the controllers have been reset Refer to Reset Controller or Channel on page 3 74 for information on resetting the controllers Part Number 775069 00 Rev A 3 49 Information and Parameters Get Physical Device Statistics Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT1
61. complete list of messages 2 Press any key to return to the Start or Stop Long Ops menu 3 64 VT100 User Guide Array Management and Configuration Editing Controller and Host Operations Get Dual Controller Status Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To view dual controller status 1 Select Controller and Host Operations from the Main Menu by typing 4 Press Enter 2 Select Get Dual Controller Status by typing 0 Press Enter CUN EMILTEK TERE me WE rur DUBBI BI Lu E ERE UH PTL Oe b usl Contred ier States Infarsation Status Format 2 LUH HL Drive H Length 1 HES Stele lexi H Siete biti bEesx B Partner Status mex Costraller Defo hekjr EHIER Peal AE TEN Enter Esc Far preul us menm Carriage reTtern fer refresh Get Dual Controller Status Information Screen The Dual Controller Status Information screen displays Part Number 775069 00 Rev A 3 65 Controller and Host Operations 3 To return to the Controller and Host Operations menu press ESC To refresh the Dual Controller Status Information screen press Enter carriage return The Dual Controller Status Information and possible values are described in Table 3 6 through Table 3 10 Table 3 6 Dual Controller Status Info
62. completed 4 Press any key to continue Select additional system drives for initialization as described in Step 3 Part Number 775069 00 Rev A 2 45 Initialize Logical Devices The message line indicates when the initialization has completed HEEL ER LO d DF HE iier Ag CORF CERRI O 2 BUHEBTS Dani iH BROT SDEW COMPLETE Stark Feregreand Initialization Shep Furegruend Initialiratian Stark ba amp slskeneg Elek Step Cossistency Eher Start Cencistency Check u REzstsrrE Shep Comistency Check w Esibnrs Start Bebull Shep Bebuild to ud de R gro hh h cs om Initialize started zmcrezsFulluy Frets aig bey be Cantlime Start Foreground Initialization Completed Screen 5 Press any key to return to the Start or Stop Long Ops menu Stop Foreground Initialization To stop a foreground initialization that is in progress 2 46 VT100 User Guide Setting up a new Configuration 1 From the Start or Stop Long Ops menu select Stop Foreground Initialization by typing lt 1 gt Press Enter LOSTEUILLEE TERE me HE Ner of DOR BI uL E uL EU HU EHI SOM ECUH LETE Pill um Stark Feregreand Inibislizatinm Shep Furegruend Initialiratian Start bansbsbeneu Check Step Com istency Eher Shark Cencistency Check wfAesbere Shep Comistencg Check effectore Start Atalla 3rap Bebuild i e rie i Enter optien S amp sco Far previous menu Start Foreground Initialization Stopped Screen
63. ctioos Lag Dew Hunger OF Radd Level F Log Bev Stake 1 Lag D Site BB PB rrige Site W 5 amp A OP Deus Dems 15 Wer Bark Het Theo Back Configuration saued reset cankenllerz dg Far yes n For na Add Logical Drive to Existing Physical Device Packs Reset Controllers Screen A prompt appears notifying the user that the configuration is saved and asking the user to reset the controllers 8 To reset the controllers type y Press Enter The controllers will reset immediately after pressing Enter Note Depending on the drive spin up settings the reset function may take several minutes to complete 9 After the controllers have finished resetting the STARTUP COMPLETE message appears Re enter VT100 mode by typing lt gt or the appropriate key sequence for your terminal emulation application Part Number 775069 00 Rev A 3 31 SANmapping SANmapping SANmapping allows the user to determine complex LUN assignments SANmapping determines whether a logical device is accessible via one or both host ports on a single controller or accessible via all host ports on all controllers in a dual active controller system SANmapping also determines which host s has access to a specific logical device in a multi host or SAN Storage Area Network environment Refer to SANmapping on page 2 31 for more details Information and Parameters The Information feature provide information ab
64. d 4 M K h MW K Enst Unies a PMH PPR PP PPP PPP PP PHY PPR PPP PPP Pea PP um Spki nas Alter Sgsten Driue ta Bost Happing enter a Uisew Host Index be WH Table enter u Go t prewlows Aii ater ei SANmapping View Host to System Drive Access Table 9 To alter the System Drive to Host Mapping type a Press Enter Refer to Step 10 for instructions to alter the System Drive to Host Mapping Part Number 775069 00 Rev A 2 37 SANmapping The controllers are capable of supporting up to 64 host initiators however the VT100 currently only supports up to 8 hosts Af LAF CORRI pE f MIHIR Dami EU Partners Active Bost ta fycten brie dress Tahia br ives 4 5 e a E 1EIITZT31415 TER Be 12 2232 422 riri ra niii H m K MMO OM MdwMM u fis defines m Enst Index a T7 PRR PPP PPR PPP 1 T7 YTRRP PY PPR PPE PPP EPP Enter Host index Far which te change Zypstem Grive access SANmapping Enter Host Index Screen To View the Host Index to WWN Table type lt v gt Press Enter Refer to Step 16 for instructions to View the Host Index to WWN Table To return to the previous menu press ESC 2 38 VT100 User Guide Setting up a new Configuration 10 Enter the Host index for which system drive access is to be changed Press Enter as BS LL Aa LLL 7 BOARS ES ER UJ Er iuri B1fa 45 11121731415 Pe Be eae ee eT fhe defines w k W x w w K kd uk Bost Index a PHHYV PY PPV PPP
65. d logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To change the logical device parameter 1 Select Information and Parameters from the Main Menu by typing 2 Press Enter Part Number 775069 00 Rev A 3 41 Information and Parameters 2 Select Get and Set Logical Device Parameters by typing lt 4 gt Press Enter CH KHILLEE TERE me HE cUPr Age DORE CERRI DER 2 BOARS Dani ELM Get ECantroller EnFarmatinm Get Lagical Pevicr Imfrrnatian Get Ehysical Dielce EInFarmatios Get sad tet Contreller Parameters Get sad Set Lagical Bevire Porsmeters Get and Set Physical Druire Parametere Get Physical bisite Statistics a eee a Troc Enter Xystem l ri ur Or Get and Set Logical Device Parameter Enter Logical Device Screen 3 42 VT100 User Guide Array Management and Configuration Editing 3 Enter the number for the logical device whose parameters you want to change CUN HILLEE IFPE M LJ Ae OOF LORRI DES 2 BOARS Dani EOM ala Level t2 bru Slate i 1 kalb Deu num i 7 tripe Size KR bk Besd Wite Paraneters 13 Ef Erpa trul Hack Enter cEsc Par previa menm a 1 ta thee Wit Ehrbu ucibe Back Get and Set Logical Device Parameter Change Parameter Screen A list of logical device parameters appears showing the current settings This list includes the foll
66. dy Default Disabled 0 and requires controller reset The No Pause on Controller Not Ready function turns the pause off or on for certain commands when the controller is not ready Normally when the controller is starting up certain commands encounter a pause This only happens when the controller has not reached STARTUP COMPLETE The pause lasts one second The affected commands are Prefetch SCSI OP 0x34 Read Write SCSI OP 0x08 0x0a Read Write Extended SCSI OP 0x28 0x2a TUR SCSI OP 0x00 Verify SCSI OP 0x2f Write Verify SCSI OP 0x2e B 6 VT100 User Guide Controller Logical Device and Physical Device Parameters 17 Disable Queue Full Status Default Disabled 0 and requires controller reset Enabling this parameter sets the controller to return a busy status when a queue full condition is detected Disabling this parameter sets the controller to return a queue full status When a command is received and the controller detects a queue full condition it normally returns Queue Full status This parameter is intended to help hosts that are confused by queue full 18 Disable BUSY Status During Failback Default Disabled 0 and requires controller reset The Disable BUSY Status During Failback function allows the controller to disregard new requests without returning a BUSY status If enabled during failback the surviving controller ignores all new requests and does not return any status If disabled the surviving controller r
67. e iF rric State 4 Lag Dew Sire Rj 1755hB Cache In size KE 4 Striper ize KEP amp h B Phys Deus ied 3 Wen Pheu Bstk l lire Frets ab Beg be banii View Configuration Spanned Logical Device Details Screen A list of details concerning the specific spanned logical device chosen appears This lists includes a table of logical devices associated with the spanned logical device including the following information e Device Address This is a RAID device number randomly assigned to the logical devices that make up the spanned logical device For more information on RAID devices refer to the Firmware Software Interface Reference Manual PN 775067 Device State This represents the physical device state Refer to Show Drives Change Drive State on page 3 14 for more information Lba This represents the logical block address of the physical device where the logical device begins This list also includes a list of information on the spanned logical device including 3 10 VT100 User Guide Array Management and Configuration Editing Logical Device Number This is the randomly assigned RAID device number associated with this device e Raid Level RAID level 12 represents a spanned configuration Device State This represents the logical device state Refer to Show Drives Change Drive State on page 3 14 for more information Logical Device Size This is the size in MB assigned to this dev
68. e B Des iff speed mhr 14H 1 bus Width i Heat Parts 3 Fe merzlan rok ha Pe Eur iff mane Datir man E HasFDPbaerxXLIHD 18 BactLoGperilbo 1h HazzEL Ds mm Hiha zlze NHj 327AB EH lake i io vendor Haee r Etrl ger In s ax xFer size B Phys Gees Pres T Pays dake pres amp Phys daks crit B Phys deka acFl d Lag dima pres o5 log dius crit z Log Drs orl ig Enter n to ce text ser OF data Eze for prewl ugz mai Controller Information First Screen The first window of Controller Information displays Part Number 775069 00 Rev A 3 33 Information and Parameters 3 To see the next window of information type lt n gt Press Enter LOSITEILLEE TERE e HE iier Ae DOR CORRI fF BOARD RS Dani UU Has Parallel Cadu B Phyu Ebns Pree Fhys Cans Pauw d Hak Targa LA 16 Ba largas En i T Bak large Miz 16 Hak Taegs C93 r db P x Targs the 3 amp Han Taegs hG r d Hen Size H3 LH Bache kt rrE HE L FG Inite Actie B Cen Chin achive B Eshzildu Active E HIRES actius z F init Gane So fon Cheok Rate 1 5d RBebull Rate r 5d Hon of CHG Sreups 1 Hax oF gt PA Ltaqslrg stat byte ae Engalry Hise flag x9 Partner FW m limateh c oE Fartnee FW Wersiani W B Eantrnller slet WH 70 0 00 ED 05 13 ei Previous long IU gt ixFF Cankreller slet 1 WH 2000 00 08 Previous Looe 1D HxIT Enter isch Far preulaus menm Carriage retern fer refr
69. e Parameters Stripe Size Read Only This is the stripe size assigned to the configuration during the create configuration process Read Write Control This parameter can be modified This parameter changes the configured write policy Write Through writes data to the device before returning completion status to the host Write Back returns a completion status to the host as soon as the cache receives the data The target device receives the data at a more appropriate time This parameter takes effect immediately without resetting the controllers Physical Device Parameters Changing the Physical Device Parameters cannot be performed until The physical device has been configured into a RAID device Transfer Speed Default depends on device type and requires controller reset The Transfer Speed function sets the maximum transfer rate for each device The possible settings are 0 for asynchronous 5 10 20 40 80 and 1000 for fibre Note The default setting should be changed only if problems are encountered in communicating with a device Do not change the default setting unless you are doing so as part of a trouble shooting activity Transfer Width Default 16 bits 2 and requires controller reset The Transfer Width function determines the maximum data transfer width size in bits The possible settings are serial 8 bits and 16 bits Part Number 775069 00 Rev A B 15 VT100 User Guide Appendix C Glossary Arra
70. e Screen The user is told the selection is out of range and prompted to choose again by pressing any key to continue Search for Physical Devices The Search for Physical Devices function performs a search for new devices This feature is used for controllers with a SCSI drive interface Controllers with a fibre channel drive interface are scanned regularly for new devices through SES and SAF TE devices The Search for Physical Devices is invoked immediately and does not return any status Part Number 775069 00 Rev A 3 23 Configure Check Drive States Add Logical Drive to Existing Physical Device Packs The Add Logical Drive to Existing Physical Device Packs allows the user to create a new logical device with unused space available on configured device packs If the user attempts to add a logical device when no device packs have been configured the following message appears COH HILLEE TERE me HS iHe A DSF LDH Om LL ERREUR B View Currreat Coafiquratinm 1 Create Heu Disk Packs 7 lear Gentiqeratlin X thew Orives Change riar State k Search For Physical Bevirsz S add Logical Prise tn Ceieting Physical Device Packs Ho Packs Feared Frets aig bey be Danthliee Add Logical Drive to Existing Physical Device Packs No Configured Packs Found Screen Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100
71. e data at a more appropriate time For more detailed information refer to the Encyclopedia of Controller Fundamentals and Features PN 775041 2 22 VT100 User Guide Setting up a new Configuration 9 Enter the appropriate parameter for the write policy selected Press Enter CUN HILLEE TERE AAF LOR AI LLIBL f BOARDS TSn UU Partner Actige Log Dawn lm Crg T PT He ul ogicel Gerioe Se lectiooas Lag Dew Hunger i Raid Level 5 Lug Dew Stake 1 Lag Dis Sine BB 25 Stripe Site ERR 5 8A OP Deus ems 1h Wet Backh Wet Thru Back re there selections correct gy Far yes n fnr ma Create New Disk Packs Save Selections Screen 10 If these selections are correct type y and continue to Step 11 to create more logical devices or Step 12 to save the configuration Press Enter Part Number 775069 00 Rev A 2 23 Configure Check Drive States If these selections are not correct type lt n gt to return to Step 6 to create a new logical device with different characteristics Press Enter Sf BE LL AS LLIBELLU E UL E Physical Begices Selected for bizk Fack LJ 1 TB u a Tw 5 Tt T araci 9 qnss ir ise b Lj iE 177A T4 ira 2 4175 zt Free 1001708 E larte u ar r2 7 Wot h 17350 Who iisi pbi nas Create amp yrtem brise enter c Xe Cnafliqurabinm enter x Go be preel ss esu with st sali tantlguration eher iic Create New Disk Packs Create Another Logical Device or Save Scree
72. e examples may not reflect your system or configuration To view logical device information 1 Select Information and Parameters from the Main Menu by typing 2 Press Enter 2 Select Get Logical Device Information by typing 1 Press Enter 3 To obtain information on a specific logical device type the appropriate device number from the list provided Press Enter LOSTEUILLEE TERE Aa DS LRA ef BOARDS TEn 1 UH PT oH ngiral erire Internatio lag Dew Stake Raid Level 5 Skrige Size ENp of Cathe Line KEP i NM fori i Back Le Bee Dg St ie E Weite Updater 5 ES algoritha Leg few Ham i Ebsulsc amp e Blk Sive 517 frig Peu Size Hd wis Geerloce Sire EB 3237 Ingmirgy Baba hykes 17 d 8 7 7 318 WPS aCe e Bhygbles T8 39 283274 TA DE Pee IC LEES TEEEZI R2 5515 1622 38 tan Cha Elk Hem d feb Bih Mum d Fa Init Elk Hum amp HORE Elk Hum fi Erb Raid Deu d Can Check Skat amp ebuild Stet Fa init Stat Tum HIKE Tal H EH IEH PRAAHEIEH Enter Esci Far preulaus menm tarrlage retern fer refresh Logical Device Information Screen The Logical Device Information window displays 4 To return to the previous menu press ESC Part Number 775069 00 Rev A 3 37 Information and Parameters The Logical Device Information and possible values are described in Table 3 3 Table 3 3 Logical Device Information Information Selections Definition and Rang
73. e of Values Log Dev State Logical Device State Raid Level RAID Level Stripe Size Stripe Size KB Cache Line Size Cache line size KB RW Ctrl Logical Device Read Write Control Log Dev Op St Logical Device Operations Status Bit 0 1 if consistency check is in progress Bit 1 1 if rebuild is in progress Bit 2 1 if making data consistent is in progress Bit 3 1 if logical device initialization is in progress Bit 4 1 if data migration is in progress R5 Write Update RAID5 write update ar5 limit R5 Algorithm RAID5 algorithm ar5 algo Log Dev Num Logical device number Device Blk Size Device block size in bytes Orig Dev Size Original device size in 512 byte blocks or MB Device Size Device size configured configurable in 512 byte blocks or MB Inquiry Data First 36 bytes of SCSI INQUIRY data Con Chk BIk Num Consistency check block number Reb BIk Num Rebuild block number FG Init Bik Num Logical device initialization block number MORE BIk Num Data migration block number Reb Raid Dev RAID Device Number of Physical Device running Long Op Con Check Stat Consistency Check Op Status Rebuild Stat Rebuild Long Op Status FG Init Stat Logical Device Initialization Long Op Status MORE Stat MORE Long Op Status 3 38 VT100 User Guide Array Management and Configuration Editing Get Physical Device Information Note The numb
74. eck with Restore 1 7 Start Foreground Initialization 1 7 Start or Stop Long Ops 1 7 3 51 Start Rebuild 1 7 B 2 Startup complete 1 5 2 11 2 25 2 30 3 31 3 75 B 6 delay 1 2 2 B 5 autospin B 5 pwrspin B 5 number of devices 2 2 B 5 Status Messages 1 5 LCD 1 1 VT100 1 3 Stop Bits 1 4 Stop Consistency Check 1 7 Index 5 Stop Consistency Check with Restore 1 7 Stop Foreground Initialization 1 7 Stop Rebuild 1 7 Storage Area Network SAN 2 31 Stripe Size 2 21 3 8 3 11 3 13 3 43 B 10 B 15 Super Read Ahead 2 2 performance B 3 Surviving Controller B 11 System Drive 2 14 create 1 2 information table 2 32 size 1 2 T Target ID 2 15 2 27 3 2 3 20 3 26 Terminal exe 1 3 Transfer Speed B 15 physical device parameters 3 48 Transfer Width B 15 physical device parameters 3 48 Troubleshooting 1 8 True Verify 2 2 B 2 U Unconfigured Offline 3 15 V Vendor Unique Test Unit Ready 2 3 B 6 View Current Configuration 1 7 3 1 Virtual Size 3 6 Visibility 2 32 set system drive 2 35 VT100 3 77 B 9 B 10 accessing 1 1 host settings 1 4 navigating 1 1 1 5 status messages 1 3 terminal emulation 1 1 Index 6 W Write Policy 3 8 3 11 3 13 3 41 3 44 B 15 write back 2 14 2 22 write through 2 14 2 22 Write Through Verify B 12 Write Back 2 22 3 44 B 12 B 15 Write Through 2 22 3 44 B 12 B 15 Wssuspin B 4 WWN Table 3 76 VT100 User Guide
75. een A new prompt appears at the bottom of the screen asking you to select a RAID level The parameters for the possible RAID levels are given The possible RAID levels and a short description are presented in Table 2 2 on page 2 20 For more detailed information refer to the Encyclopedia of Controller Fundamentals and Features PN 775041 Part Number 775069 00 Rev A 3 27 Configure Check Drive States Enter the appropriate parameter for the RAID level selected Press Enter LOSTEUILLEE TERE A DSF LLP EF 7 BOARS TSn 1 UU 1 Dhan Target Ber Addr 1 car T com Cii L 5 Gus 7 paw 4 can 174 CEH L 17 rs Ta rss ri E DEE Spece Available for kaid Device HH 10100 Enter System riur Size H gber Has seailable size is 1308 Add Logical Drive to Existing Physical Device Packs Enter Logical Device Size MB Screen A new prompt appears at the bottom of the screen asking you to enter a logical device size in MB 3 28 VT100 User Guide Array Management and Configuration Editing 5 Enter the drive device size in MB Press Enter EULLEE FFE Tite f BOATS Pant Los 1 u redu L T can T com i Cen 1 h ciii a 5 Hd 1 i 2 4 J 7 Coe 1 Can u Li CEH 1 14 CEHE a 17 Ene 1 1H can r Th rss T ri E DE Leg Bevs Gn Fark 5 Space Available for Raid t Device HH 10100 FHIEH PEAHE IEH Select Heibse Thru ar Writr Hack Uriks Thrg d Wribs Bark
76. er if these parameters are not set appropriately the replacement controller may not have access to the failed controller s logical devices The easiest way to recover from this situation is to restart the host computer operating system This will allow the host to recognize the replacement controller and forward logical device accessibility from the failed controller to the replacement controller The following procedure guides you through the steps necessary to recover from this situation Step Action Description Where to find No instructions 1 Remove and Follow the hardware Replacing a Failed replace the instructions to remove the Simplex Controller failed controller failed controller and replace it on page 1 10 or Replacing a Failed Dual Active Controller on page 1 11 2 Rebootthe host Cycle power or restart the host Host computer user system computer guide 1 16 VT100 User Guide Chapter 2 Setting up a new Configuration This chapter provides instructions for creating saving and initializing a new configuration Configuring Simplex and Dual Active Controllers If you are using two controllers and have installed the hardware in a dual active configuration you need to configure one controller only When the configuration is saved it is automatically saved to both controllers If you are using multiple simplex controllers you must configure each controller separately I
77. er of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To view physical device information 1 Select Information and Parameters from the Main Menu by typing 2 Press Enter 2 Select Get Physical Device Information by typing 2 Press Enter 3 To get information on a specific physical device enter the Channel Number of the physical device Press Enter 4 Enter the Target ID number of the specific device Press Enter HEEL LER LN ad mM He Cer Sf CERF CORRI DOR BOARD RIS Darni UH Plum Fhe al Begice nformati n Chasnel 1 Target Ib 4 Config Staten Bel beu Slates 1 Data Width 2 Deu Speed mira 19 E Peres r1 Caan Canmeck late duki Bin Tags 1 oF Hit Address Bi pn an an Dt DE H Gi Boer Ztatux z ko Parity Errors B Saft rrer zB Bard Errers EE Misc Errors FAE Denlgcted H beu Bl fize 6 Ste Orig Dew fize MB ae Pevicr tize H 156 Ingeiry Baba hybex D 17 gBhybes TM ips Enter XEsc Par preulaus menm Carriage retern for refresh Physical Device Information Screen The Physical Device Information window displays Part Number 775069 00 Rev A 3 39 Information and Parameters 5 To return to the previous menu press ESC The Physical Device Information and possible values are described in Table 3
78. es that hard loop IDs are enabled and n is equal to the loop ID Side Effects Fibre channel arbitrated loop nodes acquire loop IDs in this order Previous LI PA Hard LI HA Soft LI SA Any soft ID is used in the next LIPA cycle 42 43 Controller Name Read only The Controller Name function allows the user to assign names to the controllers This parameter takes effect immediately without resetting the controllers This parameter is not supported by VT100 at this time Logical Device Parameters Changing the Logical Device Parameters cannot be performed until logical devices have been created Several of the Logical Device Parameters are not changeable or are set during the creation of a new configuration These parameters are provided for informational purposes only The write policy parameter is the only Logical Device Parameter that can be modified RAID Level Read Only This is the RAID level associated with the configuration This is the RAID Level selected during the create new configuration procedures Refer to Table 2 2 on page 2 20 for more information on RAID Levels Logical Device State Read Only This represents the current device state Refer to Show Drives Change Drive State on page 3 14 for more information Raid Device Number Read Only The RAID device number is assigned by the firmware and is related to the RAID device type B 14 VT100 User Guide Controller Logical Device and Physical Devic
79. esh Controller Information Second Screen The second window of Controller Information displays 4 To return to the previous menu press ESC The Controller Information and possible values are described in Table 3 2 Table 3 2 Controller Information Information Selection Definition and Possible Values Bus i f type Bus Interface Type 00 SCSI 01 Fibre 03 PCI Cntlr Type Controller Type 67 DACFF 6B FFx Bus i f speed Bus Interface Speed MHz Bus Width Bus Width Size bits 1 Fibre 8 amp 16 SCSI LVD Host Ports Number of Host Ports present FW version Firmware Version Bus i f name Bus Interface Name actual string vaule Cntlr name Controller Name actual string value 3 34 VT100 User Guide Array Management and Configuration Editing Table 3 2 Controller Information Continued Information Selection Definition and Possible Values Max PDD per XLDD Maximum number of physical device definitions per external or internal logical device definition Max ILDD per XLDD Maximum number of internal logical device definitions per external logical device definition Max XLDDs Maximum number of external logical device definitions NVRAM Size KB Non volatile RAM Size in KB OEM Info OEM Information from Controller Parameters Vendor Name Vendor Name actual string vaule Ctrl Oper Info Other Physical Controller Operation Information Bit 0 1 if IBBU is presen
80. eturns a BUSY status to new commands received from the host during the cache flush operation 19 SAF TE Data for UPS Support Default Enabled 0 The SAF TE Data for UPS Support function provides UPS monitoring via the SAF TE vendor unique bytes described in the SAF TE specification The current state of all SAF TE inputs can also be determined via SAF TE passthru commands Enabled 0 UPS monitoring is enabled if it is also supported by the system enclosure Disabled 1 UPS monitoring is disabled UPS monitoring currently supports the following input outputs AC FAIL input The UPS has detected a loss of AC The controller switches to conservative cache for this event BAT LOW input The UPS has detected that its battery power is now limited The controller switches to conservative cache for this event Shutdown output If AC FAIL and BAT LOW are active and the cache has been flushed the controller issues a shutdown signal to the UPS This parameter takes effect immediately without resetting the controllers Part Number 775069 00 Rev A B 7 20 Node Name Retention A Caution If the host uses node names to locate logical devices or system drives this option must be enabled or access to data may be lost Default Disabled 0 and requires controller reset The Node Name Retention function disables enables a failed controller s node name to be retained through a controller failure When disabled ea
81. evice Parameters in greater detail than is provided in Get and Set Controller Parameters on page 2 6 Get and Set Logical Device Parameters on page 3 41 and Get and Set Physical Device Parameters on page 3 46 Each Mylex controller is shipped from the factory with initial settings that have been found to work well in a majority of applications and environments These settings are listed as the controller logical device and physical device parameter settings and vary depending on product and user requirements Some parameters are product or configuration dependent and do not have a recommended default setting provided Default values are provided however these are only examples of the most common settings User requirements are not always the same as the suggested default settings so you may want to modify certain settings Additionally if you are going from a simplex configuration to a dual active controller configuration certain controller parameters must be changed to accommodate the new dual active controller configuration A thorough understanding of the parameters and settings is strongly recommended before modifying the current settings and creating a configuration Controller Parameters The Controller Parameters are described individually in greater detail than is provided in Table 2 1 on page 2 2 Some parameters include notes of special interest and known side effects of using certain parameter settings 1
82. evice Information on page 3 39 Get and Set Controller Parameters on page 2 6 and page 3 41 Get and Set Logical Device Parameters on page 3 41 Get and Set Physical Device Parameters on page 3 46 Get Physical Device Statistics on page 3 50 Start or Stop Long Ops on page 3 51 Start Foreground Initialization on page 2 43 and page 3 51 Stop Foreground Initialization on page 2 46 and page 3 51 Start Consistency Check on page 3 52 Stop Consistency Check on page 3 54 Start Consistency Check with Restore on page 3 56 Stop Consistency Check with Restore on page 3 58 Start Rebuild on page 3 60 Stop Rebuild on page 3 63 Part Number 775069 00 Rev A 1 7 Commonly Used Procedures Table 1 2 Controller Menu Screen Locator Controller and Host Get Dual Controller Status on page 3 65 Operations on page 3 65 Kill Partner on page 3 70 Relinquish Controller on page 3 72 Reset Controller or Channel on page 3 74 Get Host WWN Table on page 3 76 Change Serial Port Usage on page 3 77 Commonly Used Procedures and Troubleshooting Guide This section provides roadmaps for some of the most commonly used procedures and emergency situations Use these roadmaps to make sure you cover required steps when using the VT100 to configure a new arr
83. for viewing changing device states searching for devices and adding a logical device are described in Chapter 3 Clear Configuration If you want to create a new configuration but another configuration already exists you need to clear the existing configuration before creating a new configuration To clear a configuration WARNING Data on the drives is destroyed when the configuration is cleared 1 Select Configure Check Drive States from the Main Menu by typing lt 0 gt Press Enter 2 Select Clear Configuration by typing lt 2 gt Press Enter WARNING This procedure clears the entire configuration You cannot clear only one logical device or a select group of physical drives Part Number 775069 00 Rev A 2 11 Configure Check Drive States 3 Ifyou are sure you want to clear this configuration type lt y gt Press Enter CLOSITEILLEE TERE me WE idee At DORI CERRI DO f BOARS Dani UU Partners Active DEINEN 2 are you sure gum wank be clear the ranFigarstian enber y ar n Clear Configuration Screen If you are not sure you want to clear this configuration type lt n gt Press Enter and return to the previous menu 2 12 VT100 User Guide Setting up a new Configuration 4 A prompt appears notifying you that the configuration cleared Press any key to continue or return to the previous menu CUN HILLEE TERE OBL AE Ae DOF LORRI DO 2 BUHEBTS Dani ELM Partners Active B
84. ge transfers or As Available more disconnects on host data transfers This function is most effective on SCSI but has some benefit on fibre channel systems The Smart Large Host Transfers function takes effect for transfers larger than the stripe size This parameter takes effect immediately without resetting the controllers B 10 VT100 User Guide Controller Logical Device and Physical Device Parameters 29 PCI Latency Control Default Short 0 and requires controller reset The PCI Latency Control function allows adjustment of the Fibre Channel chip s use of the PCI bus This function controls the amount of data each processor can burst across the primary bus before relinquishing bus ownership to the next device PCI Latency Control takes affect only when both ports are active and are arbitrating for the bus PCI Latency Control allows the integrator to tune the controller s operating parameters for specific applications For maximum throughput LONG is recommended and is equivalent to the time necessary to transfer 1024 bytes MEDIUM is equivalent to 684 bytes and SHORT is equivalent to 512 bytes 30 Automatic Failback Default Disabled 0 and requires controller reset When enabled in a dual active controller system Automatic Failback allows automatic recovery of a partner controller when a replacement is inserted If you enable this option you must also enable the Duplex Fault Signals parameter 31 Force Simplex Defau
85. gotiation with Partner Not Complete 20h Controller in Slot 1 Failed 21h Controller in Slot 1 Ejected 3 66 VT100 User Guide Array Management and Configuration Editing Table 3 7 Master Slave States Continued Value Description 22h Controller in Slot 1 Removal Detected 23h Controller in Slot 1 Inserted 24h Command Controller in Slot 1 Inserted 25h Command Controller in Slot 1 to Pause 26h Paused Controller Slot 1 Ready to Resume 27h Paused Controller Slot 1 Failed 80h Controller in Slot 0 Failed 81h Controller in Slot 0 Ejected 82h Controller in Slot 0 Removal Detected 83h Controller in Slot 0 Inserted 84h Command Controller in Slot 0 Inserted 85h Relinquish Control of Slot 1 Table 3 8 Master Slave State Additional Information Value Description 0000h No additional information available 0106h Firmware Download to Slave Failed 0110h Write Back Synchronization Failed on Channel 0 0111h Write Back Synchronization Failed on Channel 1 0112h Write Back Synchronization Failed on Channel 2 0113h Write Back Synchronization Failed on Channel 3 0114h Write Back Synchronization Failed on Channel 4 0115h Write Back Synchronization Failed on Channel 5 Table 3 9 Partner Status Value Partner State Description 0000h No Partner Controller is running in simplex mode 0100h Booting From Power up 0101h Booting Partner is replacement controller
86. h mh mb m mh mk mb om mh mb mb de Create New Disk Packs Available Physical Devices Second Screen Part Number 775069 00 Rev A 2 15 Configure Check Drive States COH HILLEE TERE me WE iHe Aa DSF LDR ee 7 BOARS TSn 1 UH Fiii Pig Deri 1 Physical Devices feailatle HB 17350 a 1 Tw 1720 IE 1750 TO aTg5d T i dia kris iis Taso fim 17358 7T 1 eh 17556 l pkinsas Enter dist of physical devices for config enter 1 Go be preelows page enter p Create New Disk Packs Available Physical Devices Final Screen 2 16 VT100 User Guide Setting up a new Configuration 4 Enter a list of physical devices for a new configuration by typing lt I gt Press Enter COMTEILLEE TAPE Partner Actige Fiii Pig Deri 1 Physical Deuirzes feailable u 1 fre 1 1750 ia 19 7758 u 35 T IJItHB Tras iran UE arm Tras bab 17750 17950 13 14 17 rI T fa 31 2A ELLAS LL a 9 Y 71 31 E i ae 2 E1 LII Li 1E FW ETT 77m 1T1 5H Pg nd 17358 risi TT1 7H 171508 17351 380736 Tole Zz 5 R 11 Th d zi EL 2E ra af Er BORD RIS Dan I UH amp 1750 i7 17350 1 17350 34715 1a 17954 47358 TTNSH 1734 and 4750 1735 H 11 113 Select op ka 44 dewirer For park er config forast choices as 3 7 2 5 nr 1 1 5 Wik ese for previoes mrau Create New Disk Packs Select Physical Devices Screen Part Number 775069 00 Rev A 2 17 Co
87. has suffered a device failure within the limit for the configured RAID level 9 Not Applicable Online Critical The logical device is in the process of and rebuilding a failed device Rebuilding 33 Online Spare Not The device is part of a configuration 21h Applicable and operating as a spare drive and will be used for automatic rebuild Note Part Number 775069 00 Rev A The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration Configure Check Drive States To display the devices and change device states 1 Select Configure Check Drive States from the Main Menu by typing lt 0 gt Press Enter 2 Select Show Drives Change Drive State by typing lt 6 gt Press Enter LOSITEILLEE TERE AAF DOF LLL f BOARD RS Dani UU Which dewice type Enter Ll Far legical device p fer physical device Show Drives Change Drive State Select Device Type Screen 3 16 VT100 User Guide Array Management and Configuration Editing 3 Select which type of device you want to see Type lt I gt for logical devices Press Enter COH HILLEE TERE Age OOF CERRI DO 2 BOARD RS Dani ELM ind States ngiral Geri ces Enter drive manber for state change ar hib esc Fre preedeus menu Logical derice state definitions U Offline 1 Dalle E nblee Critieal
88. he channel reset is invoked immediately does not return any status and returns to the Controller and Host Operations menu Select Controller by typing c Press Enter The controllers will reset immediately Note Depending on the drive spin up settings the reset function may take up to two minutes to complete After the controllers have finished resetting the STARTUP COMPLETE message appears Re enter VT100 mode by typing lt gt or the appropriate key sequence for your terminal emulation application Part Number 775069 00 Rev A 3 75 Controller and Host Operations Get Host WWN Table Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To view the Host Index to WWN Table 1 Select Controller and Host Operations from the Main Menu by typing 4 Press Enter 2 Select Get Host WWN Table by typing 4 Press Enter LOSTEILLEE TERE e HE iier nes OOF CORRI DOES 2 BOARS Darni ELM Partners Active taontreller B Port HU a TPD ele ed cad 1 HM MMIMMMMA cg cipe EIEN Pea AME TEN Press prr to reture to preuisur menu Host Index to WWN Table Screen The Host Index to WWN Table displays This table is also accessible through the SANmapping function described on page 2 31 This table is recreated ever
89. ice LUN Mapping A method whereby a LUN ID is assigned to a system drive allowing a LUN to be made accessible through one or more host ports The LUN assignments are per host port and are independent of the assignments on other host ports System drives may be assigned only one LUN per host port By not assigning a LUN to a system drive on a particular host port that system drive is made inaccessible to that host port LUN mapping is a component of SANmapping Mirroring Refers to the 100 duplication of data on one disk drive to another disk drive Each disk is the mirror image of the other RAID Level 1 C 4 VT100 User Guide Glossary Parity Refers to a method of providing complete data redundancy while requiring only a fraction of the storage capacity of mirroring All data and parity blocks are divided between the drives in such a way that if any single drive is removed or fails the data on it can be reconstructed using the data on the remaining drives Partner Controller In a dual active configuration the partner controller is the controller that is not being accessed Convention has assigned controller 1 as the partner controller Physical Device States Refers to the drives current operational status Unconfigured Offline Commanded Offline Offline Failed Offline Missing Offline Warm Spare not supported at this time Online Optimal Online Critical Online Hot Spare or Online Rebuild Physical Disk Dri
90. ice during the create configuration process Cache Line Size This represents the size of the data chunk that will be read or written at one time and is based on the stripe size e Stripe Size This is the stripe size assigned to the configuration during the create configuration process Number of Physical Devices Used This is the number of logical devices spanned to create this logical device Write Policy This indicates whether write through or write back caching is used for writing data to disk Part Number 775069 00 Rev A 3 11 Configure Check Drive States 10 View more detailed information on logical devices within a spanned logical device by typing the displayed logical device number associated with the logical device Press Enter CH HILLEE IFPE me HS iHe Af DOF ILIRAN OF 7 BOARS TSn 1 UH sl Gevice LEE Bu r Stabe La ren 1 a Gant 1 com u Cms 1 a lag Device Bun aane Raid iewel 5 Ferice State d Lag Dew Sire Rj 25128 Ceche la sire HU amp amp Shripe Iire MH oe B Phys Deus ied 4 et Phreu Bstkl lire Frets aig bey be Dantis View Configuration Logical Devices Within a Span Details Screen A list of details concerning the specific logical device within a spanned logical device appears This lists includes a table of physical devices associated with the logical device including the following information Device Address This is a RAID device number rand
91. ifying the user that the device configuration is saved as an online spare and asking the user to reset the controllers To reset the controllers type y Press Enter The controllers will reset immediately after pressing Enter Note Depending on the drive spin up settings the reset function may take several minutes to complete After the controllers have finished resetting the STARTUP COMPLETE message appears Re enter VT100 mode by typing lt gt or the appropriate key sequence for your terminal emulation application VT100 User Guide Setting up a new Configuration SANmapping SANmapping allows the user to determine complex LUN assignments SANmapping determines whether a logical device is accessible via one or both host ports on a single controller or accessible via all host ports on all controllers in a dual active controller system SANmapping also determines which host s has access to a specific logical device in a multi host or SAN Storage Area Network environment Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To view alter or save SANmapping information 1 Select SANmapping from the Main Menu by typing 1 Press Enter CUN HILLEE TERE me HE Her AAF DS COARI 0m Bn EREU O UU Enter Cpatra ll amp er
92. initialization Hot plug The action of removing and inserting a controller while system power is applied This insertion and removal can occur while the other controller in a dual active system is active Hot plug does not include the removal of a functioning controller Hub A Fibre Channel device that connects nodes into a logical loop Hubs connect multiple drive channels to one or two host channels The hub detects when a node has been inserted or failed and automatically adds the new node or removes the failed node while maintaining the loop I O Input Output Refers to disk reads and writes LCD Liquid Crystal Display on the front panel of the controller enclosure The LCD provides a monitor display for error and status messages Part Number 775069 00 Rev A C 3 Logical Device Disk storage space on one or more physical drives which appears to the computer as one drive Sometimes referred to as a system drive Logical Device States The current operational state of a system drive Offline Failed Online Optimal Online Critical or Online Critical and Rebuilding Logical Unit Disk storage space on one or more physical drives that appears to the computer as one drive Sometimes referred to as a system drive or a logical drive Logical Unit Number LUN A SCSI representation of a system drive on a given channel and target ID This may be a single device or an array of devices configured to behave as a single dev
93. ity for the system This book is written for an audience that possesses a working knowledge of SCSI Fibre Channel serial communications and RAID technologies Making changes to an existing configuration requires caution and planning the utility cannot prevent the user from reconfiguring and initializing disk areas where data resides For best results have on hand a written plan that identifies the system resources and the logical drive configuration you intend to create or modify Use the built in utility to Configure save and initialize arrays Administer manage and monitor arrays Configure Save and Initialize Arrays The primary purpose of the built in utility is to create logical devices addressable by the operating system from an array of physical disk drives The Mylex controller serves as the interface between the operating system and the logical devices Using the VT100 interface you can define the size of logical devices assign RAID levels and define customized LUN Logical Unit Number mapping schemes Controller Parameters allow you to change settings as needed for your configuration After creating the logical devices the configuration is saved The saving process writes configuration information configuration on disk COD to each physical drive and controller in the configuration This information is retrieved from the physical drives in the event of controller replacement 1 2 VT100 User Guide I
94. kris iis Taso fim 17358 7T 1 eh 17556 l pkinsas Enter dist of physical devices for config enter 1 Go be preelows page enter p Create New Disk Packs Available Physical Devices Final Screen 2 28 VT100 User Guide Setting up a new Configuration 4 Select only one physical device to be configured as an online spare by typing the appropriate device number Press Enter COMTEILLEER TAPE age DAF Genet ihe f BOR ae od Log Dawe lm Crg i Physical Devices Selected For Disk Pack a D 1 TB Splines Create fystes briwe enter c Hake u nlire spare enter o Co Tb pr eel ws mead wlbhest sal cont lquratian ehb er ik Create Online Spare Select Option Screen 5 If you want to create a logical device system drive from the selected physical device shown type c Press Enter Return to Step 7 on page 2 21 to create a logical device If you do not want to create a logical device or an online spare or you want to return to the previous menu without saving the configuration press ESC Part Number 775069 00 Rev A 2 29 Configure Check Drive States 6 2 30 LOUATEILLEE TERE a He der ARF ORF CORRI DOR b ERU UH 7 Physical Deuices Selected For Disk Pack EonFig uration saved reset centrollers dg Far yes n For nal If you want to make the selected device an online spare type lt o gt Press Enter L 758 Create Online Spare Reset Controllers Screen A prompt appears not
95. l the following conventions are used to describe user interaction with the product For entering key strokes Ctrl Press the key indicated using the keyboard Enter Press the key labeled Enter ESC Press the key labeled Esc or ESC The following fonts and symbols indicate additional useful information or of situations where special care is required Note Supplementary information that can be useful A Caution Notification that an action has the potential to adversely affect equipment operation system performance or data integrity WARNING Notification that an action results in equipment damage data loss or personal injury Related Documentation The following documents are available from Mylex Corporation and provide additional information Global Array Manager Installation Guide and User Manual PN 771961 OEM System Reference Manual PN 771992 Firmware Software Interface Reference Manual PN 775067 Encyclopedia of Controller Fundamentals and Features PN 775041 DACFF Quick Installation and Configuration Guide PN 775063 FFx Quick Installation and Configuration Guide PN 775047 FF2 Quick Installation and Configuration Guide PN 775061 vi VT100 User Guide Contents Chapter 1 Introduction and Navigation MI MES LCD Front Panel Support Using the VT100 Terminal Emulation User Interface iet ee edet e eL edet Dis 1 2 Configure Save and Initialize Arrays sssssssssss 1 2
96. l device already in use 0x0157 Data transfer count too small for command 0x0158 Device type specified in configuration data is invalid 0x0159 Device number specified in configuration data is invalid 0x015a Device name already in use Part Number 775069 00 Rev A A 7 Error Codes Table A 2 Error Codes Continued Error Code Description 0x015b Device specified does not correspond to a RAID device 0x015c Cannot change RAID device type 0x015d Cannot change RAID device stripe size 0x015e Cannot change RAID device number 0x015f Physical device not connected 0x0160 No COD groups present 0x0161 Bad number of drives to add with MORE 0x0162 User attempted spanning with MORE 0x0163 Physical device must be configured prior to MORE 0x0164 Physical device address was not at LBA 0 in MORE data 0x0165 Physical device only partially used must used entire physical device 0x0166 System drive definition in MORE data has bad field s 0x0167 No SES device found running 0x0168 The configuration data containing the logical device definition is invalid 0x0169 RAID device numbers are out of sequence 0x016a RAID device is found but is not configured 0x016b Configuration data contains an invalid stripe size A 8 VT100 User Guide Appendix B Controller Logical Device and Physical Device Parameters This appendix describes the Controller Logical Device and Physical D
97. loop 21 Failover Topologies Master Slave Yes Controller 0 has both ports active while controller 1 has both ports inactive Controller 1 becomes active if controller 0 fails Not recommended with FW version gt 5 4 22 Override Multiport Reset No 0 Disabled Set An internal reset is executed by a port only if a logical device has been reserved through that port Clear Internal resets are not qualified by logical device reservations 23 Reset Propagation No 0 Disabled Set A port that executes an Internal Reset propagates the reset by causing a Reset Event to occur on its attached interface Clear A port will not cause a Reset Event on its attached interface as part of executing an Internal Reset 24 Serial Port Baud Rate Yes 6 19200 This item sets the baud rate of the serial port when in VT100 or Debug modes 3 2400 4 4800 5 9600 6 19200 25 Serial Control Read Only Not Applicable Serial parameters such as data bits stop bits parity on off 26 Serial Port Usage Yes 1 SLP VT100 Sets the serial port to either debug mode or SLP VT100 mode Debug mode is for development use only 0 Debug 1 SLP VT100 27 Frame Size Control Yes 0 Long 2KB Allows adjustment of the Fibre Channel chip s frame size O long 2KB 1 short 512 bytes 2 medium 1KB 28 Smart Large Host Transfers No O0 Enabled Allo
98. loss has occurred PWR SPLY Failure A power supply failure has been detected Race Recovery Begun Mirror race recovery has begun RBLD C I Complete The rebuild process has completed on drive Channel ID RBLD Failed Code The rebuild process has failed RBLD SDRV Status monitoring the progress of a rebuild operation on system drive The LCD must be in monitor mode to receive this message RBLD Started A rebuild operation has started on system drive SDRV RestoreCf1 A configuration mismatch has been detected NVR2 gt NVR1 between NVRAM1 and NVRAM 2 RestoreCf1 A configuration mismatch has been detected NVR1 gt NVR2 between NVRAM1 and NVRAM 2 RestoreCf2 A configuration mismatch has been detected NVR2 gt NVR1 between NVRAM1 and NVRAM 2 RestoreCf2 A configuration mismatch has been detected NVR1 gt NVR2 between NVRAM1 and NVRAM 2 SBY size too small Standby Drive is too small for the existing configuration SEr n The number of drive soft errors SSU Fail C I A start spin up SSU command has failed on drive Channel ID Standby Created A standby drive has been successfully created STARTUP The controller s has successfully completed a COMPLETE power on self test UPS AC Power Failure AC power to the UPS failed displayed if UPS is supported and enabled Part Number 775069 00 Rev A A 5 Error Codes Table A 1 Messages Continued
99. lt Disabled 0 and requires controller reset The Force Simplex function allows duplex dual active controller firmware to function in a simplex single controller environment The Force Simplex function forces the duplex firmware to ignore some of the dual active operations A Caution Do not enable Force Simplex unless it is required Disabling Force Simplex and returning to a dual active mode requires that each controller be reconfigured independently of the other controller This is accomplished by removing one controller from the system reconfiguring the remaining one then swapping the controllers and reconfiguring the second controller then reinstalling the first controller Part Number 775069 00 Rev A B 11 32 Conservative Cache Mode Default Disabled 0 The Conservative Cache Mode function is provided to allow a controller an extra degree of data safety when operating in a degraded state This function switches write back caching to write through operation after a critical system component fails or a degraded state is detected When the degraded condition is resolved write back caching operations resume This parameter takes effect immediately without resetting the controllers Note Conservative Cache Mode is entered automatically when the UPS signals AC failure or a low battery power supply failure over temperature condition partner controller failure MORE operation or SES failure exists Side Effect There i
100. m drives to delete Non Redundant Power SES and SAF TE systems only multiple power supplies are no longer functioning the system is operating with one power supply and has been forced in conservative cache mode No SDRVs defined Invalid configuration OVR TEMP Failure The enclosure has detected a temperature above the allowed limit Operation complete The invoked operation has successfully completed Parity Check Error A drive parity error has been detected Partner booting From power up or Partner is replacement controller Partner active Controller Controller nexus is established or Partner is survivor Partner failed 0 Ping Time out Part Number 775069 00 Rev A A 3 Messages Table A 1 Messages Continued Message Description Partner failed 1 Negotiation unable to allocate chunk of memory Partner failed 2 Negotiation SCSI communication failed or cables are wrong Partner failed 3 Negotiation host ID jumper mismatch Partner failed 4 Negotiation SLIP DIFFL FBR jumper mismatch Partner failed 5 Negotiation number of disk channels available mismatch Partner failed 6 Negotiation number of host channels available mismatch Partner failed 7 Negotiation firmware version mismatch Partner failed 8 Negotiation firmware type mismatch Partner failed 9
101. me 3 20 VT100 User Guide Array Management and Configuration Editing CUN HILLEE TERE L ad Ae DOR Bl uL DOM F memmmucmm mmz mm a 1E Select mew dezire siste Fran optiens belma OFfiine 1 Dal e B OFF Line Falisd Show Drives Change Drive State Enter New Device State Screen A prompt appears asking for a new device state The parameters for the possible device states are provided Refer to Table 3 1 on page 3 15 for more information on device states Part Number 775069 00 Rev A 3 21 Configure Check Drive States 8 Enter the appropriate parameter for the new device state Press Enter EDMIEMNLTEK TERE me HS oer AFF DOR COART DO f BOARDS Dani UH 1a 13 b 19 zz z 28 Wr Ji 1 gh ET P T UPT T T mcomEmmumu cEEH SERRE Ere Emm Enter paysical dewice to change stake See mexk pags pF devices Show Drives Change Drive State Device State Changed Screen The screen updates with the new device state and returns the user to Step 7 for additional device state changes 9 Press ESC when finished changing device states to return to the previous menu 3 22 VT100 User Guide Array Management and Configuration Editing Entering a device number that is not listed results in the following error message CUN HILLEE TERE AAF LORE CIRR Oe LER UO UU felection sut oF range chanse again Priis aig koy t antimis Show Drives Change Drive State Device Number Out Of Rang
102. n 11 To create more logical devices from the same group of physical devices type c press Enter and return to Step 6 Perform Step 6 through Step 10 skipping Step 8 for all subsequent logical devices for each logical device you wish to create 2 24 VT100 User Guide Setting up a new Configuration 12 To save the final completed configuration type lt s gt Press Enter This saves the configuration immediately COMTEILLER TERE is dier ioe CRF Cena oe TD ERE oH Partner Actige Contig Saiid 7 Physical Deuizes Selected for Disk Pack a LJ 1 fate 1 u B TM a 5 Tate 2 araci i f 9 Tose 5 ir Wee b b ip 175354 Ti aT E d 275 47254 LJ E zt qgTESG 1a 5 10 1708 11 o I larta 12 g af r2q25 Ta L T Woe 13 u h Wale 15 g ko irei EunFigurat an surd reset centeollers dg Far yes n For rna Create New Disk Packs Reset Controllers Screen A prompt appears notifying the user that the configuration is saved and asking the user to reset the controllers 13 To reset the controllers type y Press Enter The controllers will reset immediately after pressing Enter Note Depending on the drive spin up settings the reset function may take several minutes to complete 14 After the controllers have finished resetting the STARTUP COMPLETE message appears Re enter VT100 mode by typing lt gt or the appropriate key sequence for your terminal emulation application Part Numbe
103. n monitors and reports include drive failures background activity completion status and enclosure events This function should remain enabled during normal controller operation Do not disable this function unless specifically instructed to do so as part of a trouble shooting diagnostic activity The Operational Fault Management function works in conjunction with Automatic Rebuild Management and features in SAF TE and SES certified disk array enclosures to detect the removal of a failed disk drive A controller reset is required before this parameter takes effect Side Effects Without Operational Fault Management enabled a host program or operator must handle all failure cases 7 Super Read Ahead Default Disabled 0 and requires controller reset The Super Read Ahead function increases performance for applications that must access large blocks of sequential data This option only improves performance for large sequential read operations and has no effect on write operations This function incorporates intelligent data request monitoring to track data requests by the host With Super Read Ahead enabled the controller detects requests for data that are stored in sequence on the drives It reads the data into the cache so that the cache remains at least one request ahead of the host This function should remain disabled during normal controller operation 8 Rebuild and Check Consistency Rate Default 50 The Rebuild and Consistency Check Ra
104. ncy through mirroring JBOD Just a Bunch of Drives Each disk drive is 1 1 No Mylex operated independently like a normal disk RAID 7 drive or multiple disk drives may be spanned and seen as a single large drive This level does not provide data redundancy Enter the appropriate parameter for the RAID level selected Press Enter ie ERE UO E UI COH HILLEE TERE COF CIHAI PR Partner Actige Log Deus lm Crg i Physical Deuizes Selected for Disk Pack a LJ 7 17350 1 a B qi a 5 Tres 2 T araci h 9 qne 5 d 137 7254 b ip 177a P4 drT35 E d Be 347554 Lj Lj 3t 17m 12 B 12 1708 13 o 75 larti 12 u Bro TY3eU 13 L 19 Tie 15 i kh TEn i5 wb iiei EWEN PRIAHEIEH Enter Xystem Grive Size Hoytes Bax seailable size ix Marsi Create New Disk Packs Enter Logical Device Size MB Screen 2 20 VT100 User Guide Setting up a new Configuration A new prompt appears at the bottom of the screen asking you to enter a logical device size in MB 7 Enter the drive device size in MB Press Enter 1 ARF ICORA ib f BOHIKIS TENTH Partner Active Log Deos le DFg Physical Beadces Selected for bisk Pack a 1 ato u s Tn 5 og qe 173554 T1 dT 25 175 zt o qTES 1 g af Tr2qg5 1 we 1735 P 1 68 aapi d p dogs 7 12534 b E a 5 12 ie ee bo J75 Jh a L T Woe h T 1 H HIEN PRA RHE IEH Enter Steipe Sire KE 1 WEE F SRR H AeA
105. nfigure Check Drive States 5 Select the physical devices you wish to use in your new configuration by typing the physical device number s You can select physical devices one at a time separated by a comma or you can select a range of physical devices listing the first and last devices separated by a hyphen or you can use a combination of both formats Press Enter ILLER TEPE Partner Active Log Devs Im Gg 7 Hum Gh larg Sh oe Ht 1 8 ques 5 Tes Fo dyatm 9 qoe 37 1754 1p 47858 Pi arm 23 47554 25 rma 3I 17058 5 UTE 5 argcu 39 Tito ki aragi bp AGG HIEN PRIRHE IEH Options Create Syste bedee enter c Xer Cnafliqurabinm enter x Go be preel ss esu weith st sarl configuration ehber ic Create New Disk Packs Create Logical Device Screen A list of the selected physical devices appears This list includes the same information as above 2 18 VT100 User Guide Setting up a new Configuration 6 Ifyou want to create a logical device from the physical devices shown La CUN HILLEE TRE ARF I DSL LOHR Oe Abb TSn UH Partner Actige HESSAEE Deus l DFg H Physical Deuizes Selected for Disk Pack 8 7 nan 1 3 in 2 48 t warb 2 araci i f 9 Tose 5 17 17254 b b ap 417558 d m dr E b 0 47350 P 5 2t Ihre 139 B 32 OEE Mon X E i2 a ar wasa 13 bo 3 Tren d E ETE E 15 d P irasi ERIEN PRARHEIEN Select FATE Level E BAGG 3 RAIDE 5 R amp IDS ATUA
106. nformation and Parameters Each Mylex controller is shipped from the factory with initial settings that have been found to work well in a majority of applications and environments These settings are listed as the controller logical device and physical device parameter default settings and vary depending on the product and user requirements User requirements are not always the same as the suggested default settings so you may want to modify certain settings Additionally if you are going from a simplex configuration to a dual active controller configuration certain controller parameters have to be changed to accommodate the new dual active configuration Note Logical device and physical device parameters are discussed in Chapter 3 These parameters cannot be modified until after a configuration has been created Refer to Get and Set Logical Device Parameters on page 3 41 and Get and Set Physical Device Parameters on page 3 46 for more information Part Number 775069 00 Rev A 2 1 Information and Parameters Table 2 1 Controller Parameters Parameter Reset Default Description Required 1 Reassign Restricted to Yes 0 Disabled Set All reassigns are for the single One Block failing block Clear All reassigns are for the entire current I O 2 True Verify Yes 0 Disabled Set If enabled and data is transferred then a true verify with data comparison is performed Clear No data comparison
107. ng Shep Furegrnend Imiktalitratian Start Danzsbsbeney Check Step Gossistency Eher Start Consistency Check u Restser tog Shep Enmxiatenrg Check w EpuiLnre Start Hebulls Step Hebuild ik A r dh H a Enter Xystem riur LO Start Consistency Check with Restore Enter Logical Device Screen 3 56 VT100 User Guide Array Management and Configuration Editing 3 Enter the number of the system drive for which the consistency check with restore is performed Press Enter TELL To COH HILLEE FPE AF HS iir AAT CORF CORRI O YORE CHE STARTER SAW mi yer TL Oe a iB Stark Fseegreund Initialization 1 Shep Foreground Inmikialiratian z7 Start Ginslsteney Check 3 Step Comsistency Check u Stark Concistency Check wfAestere T Shep Cnmxiwstenrg Check w Esibnrs a There H hubld 7 Step Artuild Faritg check starbed successfully Frets aig bey be Cantina Start Consistency Check with Restore Successfully Started Screen The consistency check with restore starts immediately The option prompt indicates that the parity check started successfully The message line provides a progressive report on the percentage of consistency check completed Part Number 775069 00 Rev A 3 57 Start or Stop Long Ops 4 Press any key to continue Select additional system drives for consistency check with restore as described in Step 3 LOSTEILLEE TERE me HS iier DUBBI B LORRI DO f BOARS Dani HU H l E CHE XP m C
108. ng up a new Configuration A list of available physical devices appears This list may extend over several screens depending on the number of devices associated with this system This information includes an arbitrary physical device number the channel target ID and the physical device size MB 3 Navigate through the screens by typing lt n gt for next page of devices or lt p gt for previous page Press Enter COMTEILLEE TAPE oe he ier aoe GF CART ie BOHRA Tan Ton Partner Acti Fii Pigs Deri 1 Physical Devices feailable 117 17350 2 179568 B dB zH 4a dz 175g a6 1754 5H 47254 Sh 17ra oF Tarii Bn drxs4 Ak 17758 wp 17m8 Tift Trise oE a resa ii b 17m ah 178 17715U ar TR 17150 El 1735 ot LEE EIU 5 LEE EA EF ater br 17358 5 1735 nk 1750 Ta 115 aqI35U ar E T7350 hit 7n Ls 76 Ire L z2 1779 Lr 38 1778 zl ag 4178 85 SE B n za dh 17750 1 CL dogs bi Br 177a bT HB 10H TB Enter list of physical devices for config enter 1 See next pagr pF devices mirr n Go t prevlows gage miler p LJ LJ 1 1 1 d 1 1 1 1 1 Ae omo zh oh oh ond nA ho ER mh mh mb m mh mk mb om mh mb mb de Create New Disk Packs Available Physical Devices Second Screen Part Number 775069 00 Rev A 2 27 Configure Check Drive States COH HILLEE TERE me WE iHe Aa DSF LDR ee 7 BOARS TSn 1 UH Fiii Pig Deri 1 Physical Devices feailatle HB 17350 a 1 Tw 1720 IE 1750 TO aTg5d T i dia
109. nline Dalinr Critical 9 Bebudddiag Show Drives Change Drive State Logical Device States Changed Logical Device State Screen The screen updates with the new device state and returns the user to Step 4 for additional logical device state changes Part Number 775069 00 Rev A 3 19 Configure Check Drive States 6 Type lt p gt for physical devices Press Enter HEELS ER LR TERE e HE rues At DOF CEART DE E BOARS Dani UU Hum Lh Targ aie z u b L 5 Uu T1 a zu a LJ 25 L m 5 J u B ac n 2 d Lh LI 15 5 o 3 ii O M i5 ii d b 5j iF b 453 13 au wh ip B GF n 748 B a 71 uH ar LJ 77 B ap u zm B M a TA g ri Li 2 dt 26 8 i go uw ks 2B b aF 9 b 89 5B au LI 51 5 Pp n 05 B iH o Xi a 1E u Jh E a5 E gr B ur E Enter drive mamber for state change ar hib esc For preedeus menu Physical device ntate definitiu B He ranFlg Ffla 1 le 3 Mela 8 Difla Failid 33 inin ipare Show Drives Change Drive State Physical Device States Screen A list of physical devices appears This list includes an arbitrarily assigned device number channel target ID and the device state A list of possible device states is shown below the command line Refer to Table 3 1 on page 3 15 for more information on device states 7 Enter the device number for a state change Press Enter Note The device state for only one device can be changed at a ti
110. nt and Configuration Editing 1 From the Start or Stop Long Ops menu select Stop Consistency Check by typing lt 3 gt Press Enter HEELS ER SN d AF J CORF CERRI DER d b ER EU HU CHER FA ILEP DUDE BA perio s Stark Feregreand Initialization Shep Furegrnend beitialicatian Start Danslsbeneyg Check Shap Comsistencg feck Start Concistency Check wfAesbere Shep Comistency Check ffectore tart hebubld Step Gena iid PITIUUIEET ror Press dig key te Chhntlnae Start Consistency Check Stopped Failed Screen The consistency check stops immediately The message line indicates that the consistency check has failed due to code 4 Refer to Appendix A for a complete list of messages 2 Press any key to return to the Start or Stop Long Ops menu Part Number 775069 00 Rev A 3 55 Start or Stop Long Ops Start Consistency Check with Restore Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To perform a Consistency Check with Restore 1 Select Start or Stop Long Ops from the Main Menu by typing lt 3 gt Press Enter 2 Select Start Consistency Check w Restore by typing lt 4 gt Press Enter HU ELE ER NN ad AF HS ier ARF CORF CORRI DOR Ff BOARD RIS Dari UU EHI SORY CUHFLEIE E Stark Feregreand Inibislizati
111. ntroduction and Navigation Initializing the new configuration clears all data currently on the devices and synchronizes the parity and mirror information thus making the logical devices readable Failure to initialize logical devices results in a parity error The utility does not allow for automatic configuration The user is responsible for determining all configuration parameters for newly created arrays Administer Manage and Monitor Arrays After you have configured and initialized an array you can continue to use the VT100 interface to manage the array when system or hardware malfunctions occur that could put stored data at risk The built in utility provides the tools to change device states and to rebuild reconstruct data on a replacement drive If you experience a power loss resulting in possible data corruption use the utility after power restoration to perform a consistency check The consistency check can locate and correct if necessary any data errors on the drives The VT100 displays error or status messages showing the current status of the logical devices physical drives and controllers Again the VT 100 interface does not allow for automatic operation of many of these features The user is responsible for determining the parameters for managing and changing arrays Configuring for VT100 Terminal Emulation Mode Refer to the appropriate controller installation guide for requirements to configure the serial por
112. om accidental drive state changes If a user changes a failed drive to an Online state by mistake data integrity may be compromised Possible devices states are described in Table 3 1 WARNING Changing the state of a drive can result in data loss Note The controller stores the state of the attached drives in its non volatile memory as well as on the disks This information is retained even after power off 3 14 VT100 User Guide Array Management and Configuration Editing Table 3 1 Possible Device States Device Physical Logical Description of Device State State Device Device 0 Unconfigured Offline Failed Physical Device The device has been Offline inserted and powered on into an unconfigured slot or the configuration has just been cleared The device is not part of a configuration Logical Device The logical device has suffered failures that exceed the limit for the configured RAID level 1 Online Online Physical Device The device is Optimal Optimal powered on part of a configuration and functioning normally Logical Device All devices associated with the configured logical device are powered on and functioning normally 3 Online Not The device is powered on part of a Rebuild Applicable configuration and in the process of being rebuilt 8 Offline Failed Online Critical Physical Device The device has failed to operate properly Logical Device The logical device
113. omly assigned to the physical devices that make up this logical device For more information on RAID devices refer to the Firmware Software Interface Reference Manual PN 775067 Device State This represents the physical device state Refer to Show Drives Change Drive State on page 3 14 for more information Lba This represents the logical block address of the physical device where the logical device begins This list also includes information on the logical device including 3 12 VT100 User Guide 11 12 Array Management and Configuration Editing Logical Device Number This is the randomly assigned RAID device number associated with this device RAID Level This represents a valid RAID level Device State This represents the logical device state Refer to Show Drives Change Drive State on page 3 14 for more information Logical Device Size This is the size in MB assigned to this device during the create configuration process Cache Line Size This represents the size of the data chunk that will be read or written at one time and is based on the stripe size Stripe Size This is the stripe size assigned to the configuration during the create configuration process Number of Physical Devices Used This is the number of physical devices assigned to this logical device Write Policy This indicates whether write through or write back caching is used for writing data to disk Retu
114. on includes logical device number arbitrarily set for VT 100 selection purposes RAID type virtual size MB and RAID device number The RAID device number is assigned by the firmware and is related to the RAID device type For more information on RAID devices refer to the Firmware Software Interface Reference Manual PN 775067 To view spanned logical devices skip to Step 8 3 6 VT100 User Guide Array Management and Configuration Editing 5 View more detailed information on individual logical devices by typing any displayed logical device number Press Enter CUN HILLEE TERE Aa LOR CIRR Oe f BOARDS TSn EU FE Hi h ngiral Gee CENE 1 TF um Gata 1 Tr aap Gar 1 regn Creo 1 iF iii cut 1 TRO Cua 1 Tio rel 4 4F iit iva 1 iF hb TE 1 tif Cea 1 1r usd car 1 Wr eun CE 1 IT BB ce 1 TF on lag Device Bun AF Raid Leugl 3 rric State 1 lag Dew Sirr R 700 Cache In size KB amp Eripe Siow KB bh B Phys Deus used 18 DL TEPE BICES Gath Preis aig bey be cathe View Configuration Logical Device Details Screen A list of details concerning the specific logical device chosen appears This lists includes a table of physical device information including Device Address This is a RAID device number randomly assigned to the physical devices that make up this logical device For more information on RAID devices refer to the Firmware Software Interface Reference Manual PN 775067 Device State
115. on to non volatile RAM Failed Channel Busy Drive channel is busy Part Number 775069 00 Rev A A 1 Messages Table A 1 Messages Continued Message Description Failed Check in Prog A parity check is in progress on the addressed system drive Failed Disk failed New disk failure Failed Drive Dead Failure due to a dead dependent drive Failed Drv Not Ready Unable to start drive Failed Init in prog Failed because an initialization is in progress Failed Invalid Dev Failure due to an invalid device Failed Invalid Failure due to a non redundant or non existent SDRV system drive Failed No Device Drive or other device not available Fail Rbl Chk in Rebuild failed another rebuild or parity check is in Prog progress Failed Start failed Rebuild failed drive could not start or is online Failed Unknown SDRV System drive operation failed affinity is not assigned to this controller Failed State A change of state has occurred Changed Fan Failure A failed fan has been detected Fatal Err RAM The memory has failed Failed Fatal Err RAM A parity error has occurred on the memory Parity Fatal Err FW A checksum reveals corrupted firmware Chksum Hardware Err A hardware error has occurred ID C I Can t Rebuild Drive with ID Channel ID can t perform a rebuild ID C I Drive Failed Drive with ID
116. onfigure Check Drive State menu VT100 User Guide Array Management and Configuration Editing 8 Ifspanned system drives exist in the configuration the logical devices and spans are viewed by typing lt v gt Press Enter Aa DF CORRI 0m BORD RS TEn 1 Lod ogicel Gerioces and Spas n Come ic Hum Tyr lise Dru Hun Types fixe feu Hun Typs iior feu 5 212E LII 1 rs 12H Hune z a ELI LI a 5 2512 amp bitje i 5 mita aiis 5 m7 iiit Enter a numher to see nare detail esc for perwirus menu liltates logical divite is part f a spanning deulce View Configuration Logical Devices with Spans in Configuration Screen Spanned logical devices are indicated by an asterisk and have a RAID device number starting at 8000 For more information on spanning refer to the Encyclopedia of Controller Fundamentals and Features PN 775041 Creating spanned logical devices is currently not supported through the VT100 utility The utility does recognize spanned logical devices that have been created using other configuration tools Part Number 775069 00 Rev A 3 9 Configure Check Drive States 9 View more detailed information on spanned logical devices by typing the displayed logical device number associated with the spanned logical device Press Enter LOSTEUILLEE TERE me He cer A DSF LDH Om f MONLRIS TSn 1 UH Drs Bud r Ztatr Ep 1 a Bam 1 B gu 1 B kms 1 a sun 1 LI lag Device Bun FEE Asid ew
117. or next page of devices or lt p gt for previous page Press Enter HESS ER SRM TERE Af DRL LGHRT OF EA Lb ERREUR UH a 4 1 LI 1 LI 1 TTTTTTT PE p DI PITT 325 T7320 5f2 Uisw List of Zysten l ri iurs nter u Ire next page of devices enter n Soe priwleuz page of diuites enter p View Configuration Physical Devices in Configuration Second Screen 3 4 VT100 User Guide Array Management and Configuration Editing CUN EILLEE TRE 427 I CORF ICORA OF AERE UO UH AGENTI AHI lptinsas Uisw List a Xystem riurs enber u See pr wleudz page af diuites anter p View Configuration Physical Devices in Configuration Final Screen Part Number 775069 00 Rev A 3 5 Configure Check Drive States 4 View the system drives associated with the physical devices in the configuration by typing lt v gt Press Enter Tie hb ERE UE UU 1 2 5 t 2 h 5 of ti 5 7 8 5 Fe A zun mw a c8 3 oso cam n i2 5 mo 3 13 4 288 id ia 5 4 d 5 8 zm 15 b Tad 14 13 5 23430 1 43 53 FDb t i 4 Fan 49 s 5 AD cB HOE m A ss 3 740 A z0 a sa A 24 6 bm m 3 4 mi 8 sb 3 ma H Io fd a7 ae 5 286 T 29 3 39 m sB Phb g0 531 5 Jan H TTNT TICNIUNEN Enter a number ta see mare detail Exc for ferric Bea View Configuration Logical Devices in Configuration Screen A list of logical devices created from the previously displayed physical devices appears This informati
118. out the controller s physical devices and logical devices including device states firmware versions drive size number of devices present channel and target IDs All values presented are for informational purposes only and cannot be changed however the information may be useful for creating or editing a configuration The Parameter features provide changeable settings that effect the operation of the controller Each Mylex controller is shipped from the factory with initial settings that have been found to work well in a majority of applications and environments These settings are listed as the controller logical device and physical device parameter default settings and vary depending on the product and user requirements User requirements are not always the same as the suggested default settings so you may want to modify certain settings 3 32 VT100 User Guide Array Management and Configuration Editing Get Controller Information Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To view Controller Information 1 Select Information and Parameters from the Main Menu by typing 2 Press Enter 2 Select Get Controller Information by typing 0 Press Enter LOUSTEILLEE TERE me HE Her LDCBEMELLAILLIBE C AL EREU UU SHE fue i T Eype Datir Typ
119. owing read only parameters RAID Level This is the RAID level associated with the configuration Refer to Table 2 2 on page 2 20 for more information Logical Device State This represents the current device state Refer to Show Drives Change Drive State on page 3 14 for more information Raid Device Number The RAID device number is assigned by the firmware and is related to the RAID device type e Stripe Size This is the stripe size assigned to the configuration during the create configuration process Part Number 775069 00 Rev A 3 43 Information and Parameters This list also includes the following changeable parameter Read Write Control This parameter changes the configured write policy Write Through writes data to the device before returning completion status to the host Write Back returns a completion status to the host as soon as the cache receives the data The target device receives the data at a more appropriate time For more detailed information refer to the Encyclopedia of Controller Fundamentals and Features PN 775041 4 Enter 1 to change the read write control or ESC to return to the previous menu EL UL ERE LR UU fecioe Faranetersy ala Level t2 bru State i 1 kalB Deu hum 2 Ot ttripe Jire KR Ak Besd Write Parameters 13 Ef Ermntrul Hack Enter RH Cenktrn Uslee E Write Thru 4 Wibes Back Get and Set Logical Device Parameter Enter RW Cont
120. performance B 2 stripe size B 2 VT100 User Guide Read Write Control B 15 logical device parameters 3 44 Reassign Restricted to One Block 2 2 B 1 Rebuild 1 3 online spare 2 26 start 3 60 stop 3 63 Rebuild and Check Consistency Rate 2 2 3 60 B 3 Relinquish Controller 1 8 3 72 Replacement controller B 13 Replacement Controller B 11 Replacement Disk Drive 1 3 3 60 B 2 Replacing failed disk drive 1 12 Reset 3 74 channel 1 8 3 74 controller 1 8 2 2 2 10 3 49 3 74 propagation 2 4 B 9 S SAF TE Data for UPS Support 2 3 AC fail B 7 battery low B 7 shutdown B 7 SAN Storage Area Network 2 31 SANmapping 1 7 2 31 controller hosts port 2 31 dual active 2 31 host 2 31 index to WWN table 2 38 2 42 system drive map 2 37 LUN mapping 2 31 multi host 2 31 system drive information table 2 32 Save arrays 1 2 configuration 1 2 SCSI 1 2 host interface 3 23 Part Number 775069 00 Rev A startup delay 2 2 3 autospin B 5 pwrspin B 5 Search for Physical Devices 1 7 3 23 Serial communications 1 2 control 2 4 B 10 port 1 3 baud rate 2 4 B 9 usage 2 4 B 10 Show Drives Change Drive State 1 7 3 14 Simplex 2 1 3 70 B 12 B 13 new configuration 2 1 Simplex No Reset B 13 Simplex No Reset 2 5 B 13 Size logical device 1 2 system drive 1 2 SLP VT100 Port B 10 Smart Large Host Transfers 2 4 B 10 Solaris B 13 Spanned Logical Device 3 9 3 10 Spin up Cycles B 5 Start Consistency Check 1 7 Start Consistency Ch
121. ptions for several procedures e ESC Allows the user to go back to the previous screen or exit the current procedure Enter Executes the selected functions Number and Letter Keys Can be used to enter a value or to select an option as prompted on the screen 1 4 VT100 User Guide Introduction and Navigation Navigating the VT100 Terminal Emulation Screens Starting the User Interface After the controller has been powered on the STARTUP COMPLETE message displays ON the VT100 terminal or the LCD The terminal monitor screen displays the status messages in the line below the MESSAGE prompt EDMIEMLTER TERE me WE idee ARF J COF CORRI ON LE EU E UU tIFATEP COMPLETE Startup Complete Screen Any status message displayed in this line remains on screen until one of the following occurs Controller operations generate a new status message in its place Someone issues a Break command executing the Main Menu Someone presses ESC causing the controller to exit the utility Part Number 775069 00 Rev A 1 5 Navigating the VT100 Screens Start the built in configuration and administration utility by issuing the Break command The Main Menu displays HEELS ER LL d me Hm oer DUBBI Ba COART DO f BOARS Dani UU ComFigure Check Peder States SAM Happing informatio and Parame bari Start or Stop Lang Ops nmstrallesr amd Govt Operations Change Serial Part Usage ER gr dh hi i m eo Ente
122. r 3 60 VT100 User Guide Array Management and Configuration Editing 4 Enter the Target ID of the physical device that will be rebuilt the failed device Press Enter HESS ER LN I d ie HE ier Age OOF CERRI DES 2 BOARD RIS Dani ELM CEE AEE SHLD SOR EB Hfi Start Feregreand Initislirstine Ztsp Foregromnd Initialiratian rart Da nsbsbeneg Check Step Comsistenog Eher Start Concistency Check u REzstsrr Shep Enmssistenrg Check m Esesbure Start hehulla Step Bebuild dod uM grob com an Epbuild started zuccEskFulluy Friis aig Beg b cantlime Start Rebuild Successfully Started Screen The Rebuild starts immediately The option prompt indicates that the rebuild started successfully The message line provides a progressive report on the percentage of rebuild completed Part Number 775069 00 Rev A 3 61 Start or Stop Long Ops 5 Press any key to continue HEELS ER 2 LONG d Li Ae DOR CERRI DES 2 BUHEBTS Dani ELM SHLD 223 DEMPLETE Start Fsergreund nibislizatinmg Ztsp Furegruend Initialiratian Start Da sbsbencg Check Shep toss isenip eck Start Cencistency Check u REztsrrE Ztsp Cnsxsiastenrg Check w Esxbure Start hehull Shep Bebuild m 1 Ej 3 a E 4 IEH _FRARHE IEH Enker option 2 amp sco Far previous mera Start Rebuild Completed Screen The message line indicates when the rebuild has completed 6 Press any key to return to the St
123. r 775069 00 Rev A 2 25 Configure Check Drive States Create an Online Spare The Create New Disk Packs function also allows the user to create an online spare to be used during the rebuild process when another physical device fails Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To create an online spare device 1 Select Configure Check Drive States from the Main Menu by typing 0 Press Enter 2 Select Create New Disk Packs by typing 1 Press Enter k Tre EMINET BBELADDDDBISEN TITELHIT Active Filii hpi Deri i Physiral Devices fmadla amp le e u 1 1 258 1 LJ a 17350 z B 17350 17350 9 arasi 5 6 i tase a fi 19 17358 T b 94 735m B 39g d u5B o 7 73tH IB d 31 1735H 11 a gt Dada LE d t ar 1 555 13 5 1735n Te f a1 TP i ip 17358 js Ej i735 i d Sk 17554 1E b 5h 177E 14 a Er dT358 z L hh dq7354 z1 LJ AT Jq HS rI a B aT25H zp a T 1T3x3H zh L ro dqrshd u B 17350 To Hi irrg a H5 bb Bm d B iriso er Of af 1730 30 fi ar 4758 31 oe Jarit a t im a735i PEI L ia 17350 TA a qm Ole gs a 13 87050 pk ome Enter list oF physical dewices For config enter 1 Ire mert page pF devices ener n Create New Disk Packs Available Physical Devices First Screen 2 26 VT100 User Guide Setti
124. r option S amp sco Far previous menu Main Menu Screen Respond to the on screen prompts to select the desired menu Typing the number associated with a menu item in the OPTIONS list such as 1 causes the number to appear next to the ENTER PARAMETER prompt Pressing Enter activates the selected function When a menu item is selected its number appears next to the OPTIONS prompt to verify its selection Pressing the ESC key allows you to go back to the previous menu at nearly any point in the menus 1 6 VT100 User Guide Introduction and Navigation Menu Structure Table 1 2 provides a quick reference guide to menu structure This table also provides reference pages for locating the description of each menu item Table 1 2 Controller Menu Screen Locator Main Menu Selection Submenu Title Configure Check Drive States on page 2 11 and page 3 1 View Current Configuration on page 3 1 Create New Disk Packs on page 2 14 and page 3 13 Clear Configuration on page 2 11 and page 3 14 Show Drives Change Drive State on page 3 14 Search for Physical Devices on page 3 23 Add Logical Drive to Existing Physical Device Packs on page 3 24 SANmapping on page 2 31 Information and Parameters on page 2 1 Get Controller Information on page 3 33 Get Logical Device Information on page 3 37 Get Physical D
125. rmation Information Selection Definition and Range of Values Status Format The Format field indicates the presence of the LUN and logical device information This is currently set to 2 LUN The LUN field identifies the LUN on which the Get Dual Controller Status command was received Sys Drive The Sys drive field identifies the logical device to which the LUN maps Length The Information Length field specifies the length of data following State hex The Master Slave State field spcifies the current state of the controller controller nexus For a list of values and descriptions for possible states refer to Table 3 7 State Info hex The Master Slave State Additional Information field gives more information on the relavant Master Slave state For a list of values and descriptions of the additional information refer to Table 3 8 Partner Status hex The Partner Status field describes the current status of the partner controller For a list of values and descriptions of the partner status refer to Table 3 9 Controller Info hex The Dual Active Controller Information field provides information about the dual active controller refer to Table 3 10 Table 3 7 Master Slave States Value Description 00h Disabled or Simplex 10h Initial State during Dual Active Boot 12h Negotiation with Partner Complete 15h Controller Controller Nexus Established 17h Ne
126. rms the Autospin mode described above This mode causes the drive initialization to stall until the host sends the controller a start unit command then proceeds with the Autospin mode Table 1 details the relationship between Disk Startup Mode Startup Number of Devices Startup Delay 1 and SCSI Startup Delay 2 Table 1 Disk Startup Mode Parameters Disk Startup Mode AUTOSPIN PWRSPIN WSSUSPIN Startup Devices i Devices spin Undefined Devices spin Startup Dly 1 Device spin wait Initial delay Device spin wait SCSI Start dly 2 0 Sequence delay 0 11 Startup Number of Devices Default 2 and requires controller reset This option specifies the number of physical disk drives to be spun up at one time Possible settings are 1 through 8 This parameter is ignored if PWRSPIN mode is selected 12 Startup Delay 1 Default 6 and requires controller reset The Startup Delay 1 function varies with the selection of the Disk Startup Mode parameter If AUTOSPIN selected this function specifies the number of seconds between physical device spin up cycles If PWRSPIN is selected this function sets the number of seconds before the controller issues start up commands This value should be set to the device s power on to spin time Possible settings are 0 to 255 seconds 13 SCSI Startup Delay 2 Default 0 and requires controller reset This parameter is also referred to as sequence delay For AUTOSP
127. rn to the list of logical devices by pressing any key Repeat Step 5 for detailed information on other logical devices Press ESC to return to the previous screen or press ESC again to return to Configure Check Drive State menu Create New Disk Packs The Create New Disk Packs function combines selected physical devices into a device group The device group may be divided into one or more logical devices each with its own RAID level write policy and capacity Logical devices may be created until the maximum capacity of the device group is fully used or 32 logical devices are defined Refer to Create New Disk Packs on page 2 14 for more details Part Number 775069 00 Rev A 3 13 Configure Check Drive States Clear Configuration If you want to create a new configuration but another configuration already exists you need to clear the existing configuration before creating a new configuration Refer to Clear Configuration on page 2 11 for more details WARNING Data on the drives is destroyed when the configuration is cleared Show Drives Change Drive State The Show Drives Change Drive State function allows the user to view the available devices and to set a device to a specific state Occasions arise when it is necessary to change the state of a device Some examples are given in the Commonly Used Procedures and Troubleshooting Guide on page 1 8 The Change Drive State function is also used to recover fr
128. rol Value Screen 8MA o VTI00 User Guide Array Management and Configuration Editing 5 Enter the appropriate value for read write control Press Enter COSTEULG EE Pee AFF DOS CORRI 0m fF BAAS Dani Loe B Brad Enly Faraneirrz hal Level Ea beu Slate 1 Kalb Deu Pom i oZ ttripe Size Khi bk Besd Write Parameters 13 R W Eratrul Thru Enter isc Far preulaus menm a 1 t thee alte Lhru uibe Back Get and Set Logical Device Parameter Changes Updated Screen The changes update on the screen This parameter does not require a controller reset to take effect 6 Press ESC to return to the previous menu Part Number 775069 00 Rev A 3 45 Information and Parameters Get and Set Physical Device Parameters Changing the Physical Device Parameters cannot be performed until The physical device has been configured into a RAID device Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To change a physical device parameter 1 Select Information and Parameters from the Main Menu by typing 2 Press Enter 2 Select Get and Set Physical Device Parameters by typing 5 Press Enter LOSTEUILLEE TERE a He oer A DSF LDH 0m 7 BOARS TSn 1 UH 5 nh et Dantrnller EnkFarmakinz 1 Get Lagiral Pevice Imfrrnatian 7 Get Fhuslcal
129. rray Management and Configuration Editing Table 3 4 Physical Device Information Continued Information Selection Definition Hard Errors Number of hard errors Misc Errors Number of miscellaneous errors PFAs Detected Number of Product Failure Analysis detected Dev Blk Size Device block size in bytes The vaule is 0 for non block devices Orig Dev Size Original device size in 512 byte block or MB A vaule of 0 for a disk device indicatesthat the device is connected but is not usable Device Size Device size configurable in 512 byte block or MB A vaule of 0 for a disk device indicatesthat the device is connected but is not usable Inquiry Data First 36 bytes of SCSI INQUIRY data Get and Set Controller Parameters Controller Parameters effect the functionality of the controller These parameters are initially set at the factory with default values that have been found to work well in a majority of applications and environments Refer to Information and Parameters on page 2 1 for a detailed procedure for modifying the default settings Descriptions of the parameters and associated settings are provided in Appendix B and Table 2 1 on page 2 2 Get and Set Logical Device Parameters Changing the Logical Device Parameters cannot be performed until logical devices have been created The Write Policy Parameter is the only logical device parameter that can be changed Note The number of physical an
130. rt Number 775069 00 Rev A 2 41 SANmapping The View Host Index to WWN Table includes the Host Index number the Host WWN identifier and the controller host port connections associated with that host This table is recreated every time the configuration is cleared EDMIEMLTER TERE me HS der DUBBI Ba LL EE E EU UU BWR Bd cH Hb HB HA NP cupa cia 1 th b ib eU BU i olga cipe Press sr to reture to greuisur nenu SANmapping Host Index to WWN Table Screen 16 After viewing the Host Index to WWN table press ESC to return to the previous menu 2 42 VT100 User Guide Setting up a new Configuration Initialize Logical Devices Mylex recommends initializing the new logical devices or system drives before using The initialization process aligns the drives and sets the parity on RAID 3 and 5 arrays WARNING Failure to initialize a newly created or modified logical device can result in loss of data Note Dual active only The logical device must be initialized from the controller to which it has been assigned Start Foreground Initialization Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To perform an initialization Select Start or Stop Long Ops from the Main Menu by typing 3 Press Enter Part Number 7
131. s a performance loss during Conservative Cache Mode Enabling this option has no effect during normal operation 33 Duplex Fault Signals Default Disabled 0 and requires controller reset The Duplex Fault Signals function is provided to inform a controller that certain signals should be used to detect the presence or absence of a partner controller Note If you have enabled Automatic Failback select Enabled for this function also This parameter is necessary for hot plugging controllers and automatic failback 34 Duplex Fault Signals on Channel 4 Default Disabled 0 and requires controller reset The Duplex Fault Signals on Channel 4 function is only supported on the DACSX controller This function informs a controller that certain signals should be used to detect the presence or absence of a partner controller A controller reset is required before this parameter takes effect Side Effects This is a legacy command This parameter is not applicable to fibre host controllers and has no effect B 12 VT100 User Guide Controller Logical Device and Physical Device Parameters 35 Host SCSI Reset Delay Default No Reset 0 and requires controller reset The Host SCSI Reset Delay function allows a controller to rest the host in failover and failback situations If No Reset 0 is set no SCSI bus reset is generated on the host channel s after a failover or failback occurs If Reset Delayed 1 14 is set a SCSI bus reset is
132. s menu Part Number 775069 00 Rev A 3 71 Controller and Host Operations Relinquish Controller The Relinquish Controller function is used to restart a controller that has been held in reset in a dual active configuration The Relinquish Controller function is used to bring a replacement controller online Note The Relinquish Controller function starts a failback operation that depending on the drive spin up settings may take several minutes When the failback is complete a message appears To issue the Relinquish Controller command 1 Select Controller and Host Operations from the Main Menu by typing lt 4 gt Press Enter 2 Select Relinquish Controller by typing lt 2 gt Press Enter of CORF CERRI LL f BOARS Dani UU 2 Bn Get Dual Dankrnller Status 1 401 Fartner 7 Helliqgulish DGeatrnll er 3 Reset Controller of Ehaanel hk Get Host UH Table are you sure gums wank Es rel ngaish the partner y Far yes esc For prer menu Relinquish Partner Controller Confirmation Screen 3 Confirm that you want to issue the Relinquish Partner command by typing lt y gt Press Enter The Relinquish Partner function occurs 3 72 VT100 User Guide Array Management and Configuration Editing immediately If you do not want to relinquish the partner controller press ESC to return to the previous menu CH HILLEE FPE me HS E Age DMF CERRI DER 2 BOARDERS ani UH Partners Active B Get Dual Dankrnhler St
133. s not represent a commitment on the part of Mylex Corporation Changes may be made periodically to the information herein these changes will be incorporated in new editions of the publication Mylex Corporation reserves the right to make improvements and or changes at any time in the product s and or program s described in this publication It is possible that this publication may contain reference to or information about Mylex Corporation products machines and programs programming or services that are not announced in your country Such references or information must not be construed to mean that Mylex Corporation intends to announce provide or make available such Mylex products programming or services in your jurisdiction iv VT100 User Guide About this Manual This user guide is designed to provide operations and reference information for the experienced system administrator or computer technician who is familiar with the principles and conventions of Small Computer System Interface SCSD Fibre Channel Interface and Redundant Array of Independent Disks RAID technology This user guide supports the following Mylex controllers FF Fibre Channel to Fibre Channel RAID Controller FFx Fibre Channel to Fibre Channel RAID Controllers FF2 Fibre Channel to Fibre Channel RAID Controller This user guide supports firmware versions 7 x and greater Note Part Number 775069 00 Rev A Conventions Throughout this manua
134. ser to hold one controller in reset when operating in a dual active configuration forcing the system into simplex mode To issue the Kill Partner command 1 Select Controller and Host Operations from the Main Menu by typing lt 4 gt Press Enter 2 Select Kill Partner by typing lt 1 gt Press Enter COMTEILLER THRE ap W iier apai bair GARAT iii j BOR TaT H Partners Active fi B Get Dual Dankrnhler Status 1 Hill Fartner 7 Helligulksh DGgatraller 3 Aeset Controller e haanel kh Get Hast UH Table are you sure gums wank Es kill khe partmer y Far ges esr Far preudaus mene Kill Partner Controller Confirmation Screen 3 Confirm that you want to issue the Kill Partner command by typing y Press Enter The Kill Partner function occurs immediately If you 3 70 VT100 User Guide Array Management and Configuration Editing do not want to kill the partner controller press ESC to return to the previous menu LOSITEILLEE TERE e HE rur Age CORF CORRI DES 2 B UHERBTS Dani ELM Partner Failed th B Get wal Dankrnlhler Status 1 Hill Fartner 7 HelliQqulish DGeateoll er 3 Reset Centroller se Channel k Get Bost UH Table Enter optien Exr5 Far previous mera Kill Partner Controller Partner Failed Notification Screen A status message appears stating that the partner has failed due to error 12 indicating a Kill Partner command was received 4 Press ESC to return to the previou
135. sesesse 3 50 Start or Stop Long Ops ito te cete kate oid 3 51 Start Foreground Initialization eeeeeeeeese 3 51 Stop Foreground Initialization eeeeeeee 3 51 Start Consistency Check sse 3 52 Stop Consistency Check essere 3 54 Start Consistency Check with Restore ssssssss 3 56 Stop Consistency Check with Restore ussssss 3 58 Start Rebuild 4 nn uite euren eni 3 60 Stop Rebuild Fecri hr rea 3 63 Controller and Host Operations seeeeeneeeeee 3 65 Get Dual Controller Status sese 3 65 USP AF siot de ebore termin te C de eds 3 70 Relinquish Controller seen 3 72 Reset Controller or Channel ee 3 74 Get Host WWN Table sse 3 76 Change Serial Port Usage ssseeeeeeee 3 77 Appendix A Messages and Error Codes Messages scm i ug iles en A 1 Eror CodeS tei s SURE eei e eee IU A 6 viii VT100 User Guide Appendix B Controller Logical Device and Physical Device Parameters Controller Parameters seen B 1 Logical Device Parameters se B 14 Physical Device Parameters eene B 15 Appendix C Glossary Part Number 775069 00 Rev A ix VT100 User Guide Chapter 1 Introduction and Navigation Overview After hard
136. sk drive or potential data loss may occur Step Action Description Where to find No instructions 1 Replace the Verify through LED indicators Your disk drive user working on the enclosure that power is guide enclosure physicaldevice supplied to the devices guide or supply power to devices 2 Change the The default drive state fornew Show Drives drive s devices is Unconfigured Change Drive State state s Offline Since these devices on page 3 14 were functioning normally return the drive state to Online Optimal 3 Continue with After returning devices to Replacing a Failed failed drive replacement procedure or continue as usual Online Optimal state logical devices also return to Online Optimal or Online Critical state and continue functioning as usual Disk Drive on page 1 12 Part Number 775069 00 Rev A Commonly Used Procedures Recovering From Lost Logical Device Accessibility Logical devices are accessible to the host through the controller SANmapping determines which controller controller host port and host has access to each logical device During controller failure this accessibility is assumed by the surviving controller When a replacement controller is inserted into the system the replacement controller assumes the logical device access of the failed controller There are several controller parameters that make this process transparent to the user Howev
137. t Bit 1 1 if controller is wroking in Active Active Clustering mode Max xfer size Maximum Transfer size in 512 byte blocks Phys Devs pres Physical Devices Present connected devices includes SAF TE devices controllers and drives Phys dsks pres Physical Disks Present Range 0 124 per disk channel Phys dsks crit Physical Disks Critical marked critical if PFA is received Phys dsks offl Physical Disks Offline Log devs pres Logical Devices XLD Present Range 0 32 Log devs crit Logical Devices XLD Critical Log devs offl Logical Devices XLD Offline Max Parallel Cmds Maximum Parallel commands supported Phys Chns Pres Number of physical channels present on the controller Range 2 4 Phys Chans Poss Maximum number of physical channels possible on this controller Range 2 6 Max Targs ChO Maximum targets possible on physical channel 0 Range 0 124 Max Targs Ch1 Maximum targets possible on physical channel 1 Range 0 124 Max Targs Ch2 Maximum targets possible on physical channel 2 Range 0 124 Max Targs Ch3 Maximum targets possible on physical channel 3 Range 0 124 Part Number 775069 00 Rev A 3 35 Information and Parameters Table 3 2 Controller Information Continued Information Selection Definition and Possible Values Max Targs Ch4 Maximum targets possible on physical channel 4 Range
138. t Host WWN Table 1 8 3 76 Get Logical Device Information 1 7 3 37 Get Physical Device Information 1 7 3 39 Get Physical Device Statistics 1 7 3 50 Global Array Manager GAM 1 1 H Hard Loop IDs 2 5 B 14 Host accessibility 2 32 bus reset delay B 13 channel B 13 index 3 76 Host Index to WWN Table 2 38 2 42 Host SCSI Reset Delay 2 5 Solaris B 13 Host to System Drive Map 2 37 Hot plugging B 12 HyperTerminal exe 1 3 Information and Parameters 2 1 Initialize 1 3 2 45 configuraiton 1 2 logical devices 1 2 2 43 parity 2 43 system drives 1 2 2 43 J JBOD 2 20 K Kill Partner 1 8 3 70 Part Number 775069 00 Rev A L Lba 3 7 3 10 3 12 LCD Front Panel keypad 1 1 status messages 1 1 Logical Device 2 14 3 6 3 7 3 12 changing device state 3 17 create 1 2 drive pack 3 26 information 3 37 table 3 38 number 3 6 3 7 3 11 3 13 in pack 3 25 3 26 parameters 1 7 3 43 B 1 B 14 get and set 3 41 size 1 2 2 21 3 8 3 11 3 13 3 28 virtual size 3 6 state 3 15 3 43 B 14 offline failed 3 15 online critical 3 15 online critical and rebuilding 3 15 online optimal 3 15 Logical Drive add to existing pack 3 24 Logical Unit Number LUN 2 32 LUN B 6 Logical Unit Number 2 32 invalid B 6 mapping 1 2 number 2 32 offline B 6 Main Menu 1 6 1 7 Malfunctions hardware 1 3 system 1 3 Manage Arrays 1 3 Menu Structure 1 7 Messages A 1 Mirroring 1 3 Index 3 Monitor arrays 1 3 configur
139. t for terminal emulation Some controllers require jumper settings The jumpers are located on the distribution board and vary between controllers Some controllers require configuration bit settings and firmware header settings By connecting a VT100 compatible terminal or a PC operating in an equivalent terminal emulation mode basic controller functions can be exercised from the VT100 terminal Mylex has tested the VT100 User Interface with the following terminal emulation programs Terminal exe available with Windows NT version 3 5 Hyperterminal exe available with Part Number 775069 00 Rev A 1 3 Configuring for VT100 Mode Windows NT version 4 0 Tip available on Solaris systems and CU available on IRIX systems Tip and CU require the user to open an Xterm window then run Tip and CU to the open serial ports Configure the host settings to the values shown in Table 1 1 to ensure proper communication between the terminal emulation program and the controller Table 1 1 Terminal Emulation Interface Requirements and Settings Terminal Requirement Connection Null modem cable Protocol Asynchronous RS232 Baud rate 19 200 Data bits 8 Stop bits 1 Parity None Flow control None Access the user interface by pressing lt gt shift 2 or the Ctrl and Break keys together Commonly Used Keys and Command Options for the VT100 The VT100 user interface options use the following keys and command o
140. t is beneficial to do so before creating your array configuration Note The number of physical and logical devices shown in the screen captures are an example configuration to show most of the features available on the VT100 These examples may not reflect your system or configuration To change a controller parameter 1 2 2 6 Find the parameter you wish to change in Table 2 1 Select Information and Parameters from the Main Menu by typing lt 2 gt Press Enter Select Get and Set Controller Parameters by typing lt 3 gt Press Enter A partial list of controller parameters appears showing the current settings VT100 User Guide Setting up a new Configuration Note Refer to Table 2 1 on page 2 2 and Appendix B for Controller Parameter information and default settings CH HILLEE TERE AF HS E D AAF CORF CERRI OF F 3 1 Erasuign one sect 7 Trur Verify a 0 urt Thru Yerify hj Besi Bead Enable 5j fete Abla Het 1 6 Oger Fault Hynt 75 Super Read head I 4 Cheri fon Hate 1 50 G Device Canking 1E Disk Stark op Hd d 11 Bum Devs SEark 12 Zbarb Bly 1 a 10 zbart Oly 7 d te WU FUN refus t 15 Dis hik ced T 167 Cal Passi o amp poR I D 575 Blzable que Fell r i 18 Dis BF status 1 4 d9 EAF TE UR Bata c F name retaia Hj FE parame fi Hultiport rewet override P FI Prapaqake reset i Serial baig W208 25 Xerial parami r ez UxT2 26 fer Peet Use S pPUI Frame Contr
141. tatus during failback B 12 CC for invalid LUN B 6 Disable BUSY Status During Failback 2 3 B 7 Disable Check Condition for Invalid LUN 2 3 B 6 Disable Queue Full Status 2 3 B 7 Disk startup mode AUTOSPIN B 4 PWRSPIN B 4 WSSUSPIN B 4 Disk Drive Failed 3 60 Disk Startup Mode 2 2 autospin B 4 pwrspin B 4 wssuspin B 4 Disk Write Through Verify 2 2 performance B 2 Dual Controller Status 3 65 dual active controller table 3 69 information table 3 66 master slave state additional table 3 67 master slave states table 3 66 partner status table 3 67 Index 2 Dual Active 2 1 3 70 3 72 B 13 controllers B 12 B 13 force simplex B 11 initialization 2 43 new configuration 2 1 Duplex B 12 fault signals B 12 Duplex Fault Signals 2 5 B 11 B 12 Duplex Fault Signals on Channel 4 2 5 B 12 E Enter 1 4 1 6 Error Codes A 1 ESC 1 4 1 5 1 6 F Failed controller B 13 Failed Controller B 8 B 11 replacing dual active 1 11 replacing simplex 1 10 Failed Disk Drive 3 60 B 2 B 3 replacing 1 12 Failover Topologies clustering 2 4 B 8 inactive port 2 3 B 8 master slave 2 4 B 8 multiple TID 2 4 B 8 multiport 2 3 B 8 Fibre Channel 1 2 Flow Control 1 4 Force Simplex 2 5 B 12 dual active B 11 Foreground Initialization start 2 43 3 51 stop 2 46 3 51 Frame Size Control 2 4 B 10 VT100 User Guide G GAM Global Array Manger 1 1 Get Controller Information 1 7 3 33 Get Dual Controller Status 1 8 3 65 Ge
142. te parameter approximates one half of the percentage of available rebuild cycles to be used CPU utilization is always shared with data traffic This function also determines the amount of resources the controller devotes to Consistency Check and MORE operations Integer values from 0 50 can be defined Entering a value of 50 means that all of the resources that can be dedicated for the operations are utilized For low priority and high array performance specify a lower value For high priority and reduced array performance select 50 This parameter takes effect immediately without resetting the controllers Part Number 775069 00 Rev A B 3 9 Device Combing The Device Combing function provides device queuing coalescing optimization The function enables data traffic coalescing combining of address adjacent I Os on the traffic of each device This joins the data from adjacent I Os into a single I O to improve performance This parameter takes effect immediately without resetting the controllers 10 Disk Startup Mode Default Autospin 0 The Disk Startup Mode function controls how the disk drives in the array are started spun up There are three different startup modes that may be selected by the user AUTOSPIN 0 The AUTOSPIN mode issues start commands to all B 4 devices automatically This mode waits the amount of time specified in Startup Delay 1 issues Start Unit commands to the devices as specified in Startup Devi
143. tion Description Where to find No instructions 1 Power off the If possible leave power to the Your controller controller disk drives otherwise power installation guide or off the entire enclosure your enclosure guide 2 Remove the Follow the hardware Your controller failed controller instructions to remove the installation guide failed controller and or your enclosure guide 3 Insert the Follow the hardware Your controller replacement instructions to insert the installation guide controller replacement controller and or your enclosure guide 4 Power on the The controller accepts the Your controller controller and or enclosure if powered off in step 1 configuration from the disk drives installation guide and or your enclosure guide VT100 User Guide Introduction and Navigation Replacing a Failed Dual Active Controller Your LCD LED indicators or other on line monitoring tool indicates when a controller has failed When you replace a controller it recovers its configuration from the surviving controller This procedure may be performed with power supplied to the controllers or power turned off Note Both controllers in a dual active configuration must be identical with respect to memory and firmware version and type Several controller parameters affect the amount of user intervention necessary when replacing failed controllers Auto Failback Node Name Retention
144. troller Failback is enabled no action is required 6 Reboot the Rebooting the host allows the Host computer user host host to recognize the controller guide as a replacement 7 Access VT100 Type lt gt to accessthe VT100 Configuring for User Interface User Interface VT100 Terminal Emulation Mode on page 1 3 a The surviving controller displays a Partner Failed message The failed controller displays no message and the VT100 User Interface is unresponsive Replacing a Failed Disk Drive All RAID 1 3 5 or 0 1 logical devices associated with a failed disk show an online critical status in the Logical Device States screen A failed disk drive shows an offline failed status in the Physical Device States screen Refer to Show Drives Change Drive State on page 3 14 The Automatic Rebuild feature performs this operation without user intervention if the following conditions are met 1 An online spare disk drive of identical or larger size is found attached to the same controller 2 All system drives that are dependent on the failed disk drive are configured as a redundant array RAID 1 RAID 3 RAID 5 or RAID 01 VT100 User Guide 3 Automatic Rebuild controller parameter is enabled Introduction and Navigation 4 Operational Fault Management controller parameter is enabled Note The Mylex controller always attempts to first locate a replacement online spare disk drive that is e
145. uide Messages and Error Codes Table A 2 Error Codes Continued Error Code Description 0x0119 Multiple system drives defined on pd s to enlarge Ox011a Invalid parameter in MORE data list 0x011b The rebuild migrate rate is set to Oxff 0x011c A drive in system drive to expand is also in other system drive with more than 1 span 0x011d The drive to add is too small 0x011e No memory available to complete the command 0x011f COD write to disk failed 0x0120 Device trying to get ready 0x0121 Waiting for start unit command 0x0122 Device not be able to get ready 0x0123 Command didn t complete because controller not active 0x0124 No more devices to report status or information on 0x0125 Max number of enclosures reached 32 enclosures 0x0126 More Get Environmental data than space to return data 0x0127 Parameter is valid but not supported currently 0x0128 Device scan in progress 0x0129 RAID device type specified is not valid 0x012a RAID device specified is not found 0x012b Maximum number of COD groups 64 already used 0x0150 RAID device not available for configuration 0x0151 Maximum number of physical devices reached 0x0152 Maximum number of system drives reached 0x0153 Requested data length larger than allocation length 0x0154 No space available for new configuration 0x0155 Invalid field in configuration data 0x0156 Physica
146. user is prompted for a password to enable the debug menu This password is only available from a technical service representative 3 78 VT100 User Guide Appendix A Messages and Error Codes This appendix provides lists of possible error messages and error codes The messages appear on the LCD screen if one is present or under the MESSAGE bar on the VT100 screen The messages provide the user with information error conditions and command progress The Messages are described in Table A 1 and the Error Codes are described in Table A 2 Certain features associated with some of the messages and error codes are not supported at this time Messages Table A 1 Messages Message Description AEMI scan reject AEMI scan was rejected CHCK Failed Code Parity check failed Check SDRV Status monitoring the progress of parity check on system drive The LCD must be in monitor mode to receive this message CHK SDRV Complete Parity check on system drive has completed CHK Started SDRV Parity check on system drive has started DRV Replaced by C l A drive has been replaced by Channel ID Error Code nnnn Diagnostics failed number indicates type of failure Fail Chk Rbl in Prog Failure due to a parity check or rebuild already in progress Failed Bad EEPROM Failure saving the configuration to EPROM Failed Bad NVRAM Failure saving the configurati
147. ve A single hard disk drive Each physical drive is assigned a unique identification address Sometimes referred to as a physical device Previous Loop ID The loop ID acquired during a prior loop initialization The controller acquires previous loop IDs during the LIPA Loop Initialization Previous Address phase of loop initialization Primary Controller In a dual active configuration the primary controller is the controller that is currently being accessed Convention has assigned controller 0 as the primary controller Part Number 775069 00 Rev A C 5 Online Hot spare A physical drive not part of a system drive that the controller can use to automatically rebuild a critical system drive The hot spare drive must have at least as much capacity as the largest drive in the array or the rebuild may not start RAID RAID stands for Redundant Array of Independent Disks RAID levels Mylex Disk Array Controllers support four RAID Advisory Board approved RAID 0 RAID 1 RAID 3 RAID 5 and two special RAID levels RAID 0 1 and JBOD RAID 0 The controller stripes data sequentially across multiple drives without redundancy RAID 1 Disk mirroring controller duplicates data from one drive to another RAID 3 Stripes blocks of data across all drives Maintains parity information which can be used for data recovery RAID 5 Stripes blocks of data and parity information across all drives RAID 0 1 Mylex RAID 6
148. ware installation refer to the appropriate Installation Guide for specific installation instructions for each Mylex controller the array can be configured through one of the following user interfaces e VTIOO terminal emulation interface connected through the controller s serial port referred to as VT100 throughout the remainder of this manual Global Array Manager GAM software running on a PC Refer to the Global Array Manager Client Software Installation Guide and User Manual This chapter provides the user with step by step instructions for accessing and navigating the VT100 user interface At the end of the chapter are a few commonly used procedures and an outline of the steps necessary to perform each LCD Front Panel Support Beginning with firmware version 7 0 LCD Front Panel functionality is limited to status only display The keypad support provided in previous firmware releases is no longer functional The status messages are similar to those displayed on the VT100O screen A list of status messages is provided in Appendix A Part Number 775069 00 Rev A 1 1 Using the VT100 User Interface Using the VT100 Terminal Emulation User Interface Note Although the built in configuration and administration utility provides safety prompts that alert you when you are about to take an action that can affect data or drive status this interface is meant to be used only by persons with appropriate training and responsibil
149. ws selection of Coalesce on host data tranfers This takes affect for transfers larger than the stripe size 0 Coalesce into one transfer 1 Transfer as available 2 4 VT100 User Guide Setting up a new Configuration Table 2 1 Controller Parameters Continued Parameter Reset Required Default Description 29 PCI Latency Control Yes 0 Short Allows adjustment of the Fibre Channel chip s use of the PCI bus This takes effect only when both ports are active O short 1 medium 2 long 30 Automatic Failback Yes 0 Disabled Allows the surviving controller to automatically sense and place an inserted replacement controller back in service 31 Force Simplex Yes 0 Disabled Allows dual active firmware to serve in a single controller environment 32 Conservative Cache Mode No 0 Disabled Allows a controller an extra degree of data safety when operating in failed over condition This turns off Write Cache while the failed over condition persists 33 Duplex Fault Signals Yes 0 Disabled Informs a controller that certain signals should be used to detect the presence or absence of a partner controller 34 Duplex Fault Signals on Channel 4 Yes 0 Disabled SX Hardware only 35 Host SCSI Reset Delay Yes 0 No Reset SCSI only Allows a controller to reset the host in failover and failback situations 0 No Reset 1 14
150. xactly the same size as the failed disk drive If none is found the controller then attempts to locate a replacement disk drive that is at least the same size as the failed disk drive WARNING Removing the wrong physical device disk drive constitutes a second point of failure and forces the logical device offline resulting in potential data loss Step Action Description Where to find No instructions 1 Identify the Verify the failed drive through Your disk drive user failed physical LED indicators on the guide enclosure device disk enclosure or by performing the guide or Show drive Show Drives Change Drive Drives Change Drive State function State on page 3 14 2 Remove and Follow the hardware Your disk drive replace the instructions to remove the installation guide failed disk drive failed disk drive and replace it in the same location 3 Startthe rebuild If Automatic Rebuild and Information and procedure Operational Fault Management are enabled the rebuild starts within a few minutes of detecting the replacement drive Parameters on page 2 1 Part Number 775069 00 Rev A Commonly Used Procedures If the above conditions are not met inserting a new drive and starting a rebuild of the redundant array requires the user to perform the following procedure Step Action Description Where to find No instructions 1 Identify the Verify
151. y Multiple physical disks configured to behave has a single independent disk Cache Controller memory used to speed up data transfer to and from a disk Cache Flush Refers to an operation where all unwritten blocks in a Write Back Cache are written to the target disk This operation is necessary before powering down the system Channel A path for the transfer of data and control information between drives and the drive controller Mylex disk array controllers have one or two host channels and up to six drive channels Each drive channel can support up to 124 drives Consistency Check Also referred to as a parity check The Consistency Check function is used to verify the integrity of data on a system drive It verifies that mirror or parity information matches the stored data on the redundant arrays RAID 1 RAID 3 RAID 5 or RAID 0 1 If the parity block information is inconsistent with the data blocks the controller has the ability to correct the inconsistencies using Consistency Check with Restore function Disk Striping The practice of dividing data into blocks and writing them across multiple drives for increased performance Part Number 775069 00 Rev A C 1 Drive Group or Drive Pack A drive group is a group of individual disk drives preferably identical that are logically tied to each other and are addressed as a single unit Dual Active A disk array system with two identical controllers handling host I O
152. ysical device spin ups or start up commands Range 0 255 2 2 VT100 User Guide Setting up a new Configuration Table 2 1 Controller Parameters Continued Parameter Reset Required Default Description 13 SCSI Startup Delay 2 Yes Can be set to a number of seconds for a motor spin delay or sets the number of seconds between start up cycles Range 0 255 14 Vendor Unique Test Unit Ready Yes 0 Disabled Set A TUR command sent to an offline LUN returns hard error status Clear A TUR command sent to an offline LUN returns Not Ready Status 15 Disable Check Condition for Invalid LUN Yes 1 Enabled Set The Inquiry command returns Perifpheral Not Connected for invalid LUN Clear The Inquiry command returns Illegal Request LUN Not Supported for invalid LUN 16 No Pause on Controller Not Ready Yes 0 Disabled Set Turns off the pause for the affected commands when the controller is not fully started Clear Turns on the pause for the affected commands when the controller is not fully started Affected commands are Prefetch Read Write Read Write Extended TUR Verify and Write Verify 17 Disable Queue Full Status Yes 0 Disabled Set Returns Busy status when controller detects a queue full condition Clear Returns Queue Full status when controller detects a queue full condition 18 Disable BUSY Status During Failback
153. ytime the configuration is cleared 3 Press ESC to return to the previous menu 3 76 VT100 User Guide Array Management and Configuration Editing Change Serial Port Usage The serial port can be configured as the VT100 Terminal Emulation interface or as a trouble shooting debug tool Temporarily switching the serial port to debug mode is performed only under recommendation and direction from a technical service representative A password is required to enter debug mode A Caution Returning to VT100 mode after being in debug mode requires assistance from a technical service representative To configure the serial port for temporary debug mode 1 Select Configure Serial Port from the Main Menu by typing lt 5 gt Press Enter CUN HILLEE TERE me HE Her af DS LDR 0m uL EREUO UU Bh Switch to debug medr 333 89d 5 3E TE Enter aptisn Esch Far previous menu Configure Serial Port Screen Part Number 775069 00 Rev A 3 77 Configure Serial Port A Caution The user cannot escape from this action after pressing Enter To return to VT100 mode the user has to manually reset the controllers 2 Select Switch to Debug Mode by typing lt 0 gt Press Enter 3 Press Enter a second time to activate the debug menu HESS ER SN LU A AF He Cer Af LLAISLLIBEL EA BORD RIS TSn 1 UH Tia B 5u trh to debug mode Enter passeB rd DAE Co enable Bebug Hind Debug Password Request Screen The

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