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Compex Systems SA33-3285-02 - page 16

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xiv User’s Guide and Maintenance Information

Contents

Main Page Page Page Contents Part 1. User Information ........................1 iii iv ||||| ||||| ||||||||||||||||| |||||||||||||||||||||||||| vi |||| viii Part 2. Maintenance Information ....................311 |||||||||||| x |||||||||||||| Part 3. Appendixes..........................483 xii Page Page Safety Notices Definitions of Safety Notices xv Safety Notice for Installing, Relocating, or Servicing Page About This Book Who Should Use This Book xvii What This Book Contains If You Need More Information Web Support Pages Numbering Convention Page Page Chapter 1. Introducing SSA and the Advanced SerialRAIDAdapters Serial Storage Architecture (SSA) The Advanced SerialRAID Adapters (type 4P) 4-P 4 Fast-Write Cache Feature 128 MB Memory Module Feature Lights of the Advanced SerialRAID Adapters Port Addresses of the Advanced SerialRAID Adapters 6 SSA Adapter ID during Bring-Up Chapter 2. Introducing SSA Loops Loops, Links, and Data Paths Simple Loop 8 Simple Loop One Disk Drive Missing Simple Loop Two Disk Drives Missing 10 One Loop with TwoAdapters in One Using System Figure5. One Loop with Two Adapters in One Using System One Loop with TwoAdapters in Each of Two Using Systems 12 Page Page Page Large Configurations SSA Disk Drives 16 Switching Off Using Systems Switching On Using Systems Configuring Devices on an SSA Loop SSA Link Speed 18 Identifying and Addressing SSA Devices Location Code Format Pdisks, Hdisks, and Disk Drive Identification Page SSA Unique IDs Rules for SSA Loops Checking the Level of the Adapter Microcode Rules for the Physical Relationship between Disk Drives and Adapters One Pair of Adapter Connectors in the Loop 24 Pairs of Adapter Connectors in the Loop Some Shared Data Pairs Of Adapter Connectors in the Loop Mainly Shared Data 26 Reserving Disk Drives Fast-Write Cache Page Chapter 3. RAID Functions and Array States RAID Functions Availability Disk Drives That Are Not in Arrays Page RAID-1 Array States 32 RAID-5 Array States Good State Exposed State Read Operations while in the Exposed State Write Operations while in the Exposed State Rebuilding State Initial Rebuilding Operation 34 Disk Drive Replacement Adapter Replacement RAID-5 Array State Flowchart Figure15. RAID-5 Array State Flowchart Chapter3. RAID Functions and Array States 35 RAID-10 Array States Good State 36 Exposed State Degraded State Rebuilding State Offline State Unknown State Multiple States 38 Chapter 4. Using the SSA SMIT Menus Getting Access to the SSAAdapters SMIT Menu 40 Getting Access to the SSA Disks SMIT Menu 4. The SSALogical Disks menu is displayed: 42 If you need help with an item, move the cursor to that item, and press F1 (Help). Getting Access to the SSA RAIDArrays SMIT Menu Page Chapter 5. Hot Spare Management Deciding how to Configure Hot Spare Disk Drive Pools 46 Building 1 Building 2 Figure16. Primary Disks in Building 1; Secondary Disks in Building 2 Page 48 Page 50 Choosing How Many Hot Spare Disk Drives to Include in Each Pool Choosing the Error Threshold (Alarm) Level for a Hot Spare Pool Enclosure-1 hdisk1 Primary Disks hdisk2 Primary Disks spare Enclosure-2 Rules for Hot Spare Disk Drive Pools 52 Solving Hot Spare Pool Problems 54 Page Page Chapter 6. Using the RAID Array Configurator Installing and Configuring SSA RAID Arrays 58 Getting Access to the SSA RAIDArrays SMIT Menu Adding an SSA RAID Array 60 Chapter6. Using the RAID Array Configurator 61 62 If you select RAID-1, the following menu is displayed: Chapter6. Using the RAID Array Configurator 63 If you select RAID-5, the following menu is displayed: 64 If you select RAID-10, the following menu is displayed: Chapter6. Using the RAID Array Configurator 65 66 Page 68 Page Deleting an SSA RAID Array 70 3. Aprompt is displayed in a window: Chapter6. Using the RAID Array Configurator 71 Creating a Hot Spare Disk Drive 72 Page Changing or Showing the Status of a Hot Spare Pool 74 Page 76 Showing the Disks That Are Protected by Hot Spares 78 Page Listing the Disks That Are in a Hot Spare Pool 80 Page 82 Adding a New Hot Spare Pool 3. Alist that shows Loop A or Loop B is displayed: 84 This menu automatically assigns the next available pool number to the new pool. Page Adding Disks to, or Removing Disks from, a Hot Spare Pool 86 3. Alist of hot spare pools is displayed: Select the hot spare pool that you want to change. Chapter6. Using the RAID Array Configurator 87 88 Dealing with RAID Array Problems Getting Access to the SSA RAIDArray SMIT Menu 90 Identifying and Correcting or Removing Failed Disk Drives 92 Page Page Installing a Replacement Disk Drive 96 Using Other Configuration Functions Getting Access to the SSA RAIDArray SMIT Menu 98 Page Listing All Defined SSA RAID Arrays 100 Listing All Supported SSA RAID Arrays Listing All SSA RAIDArrays That Are Connected to a RAID Manager 102 3. Alist of arrays is displayed: Chapter6. Using the RAID Array Configurator 103 Listing the Status of All Defined SSA RAIDArrays 104 3. The following information is displayed for RAID-5 arrays: Chapter6. Using the RAID Array Configurator 105 106 Page Listing or Identifying SSA Physical Disk Drives Listing the Disk Drives in an SSA RAID Array 3. Alist of disk drives is displayed: 110 Listing Hot Spare Disk Drives 3. Alist of hot spare disk drives is displayed: 112 Listing Rejected Array Disk Drives 3. Alist of rejected disk drives is displayed: 114 Listing Array Candidate Disk Drives 3. Alist of candidate disk drives is displayed: 116 Listing System Disk Drives Page Identifying the Disk Drives in an SSA RAID Array 120 Identifying Hot Spare Disk Drives 122 Identifying Rejected Array Disk Drives 124 Identifying Array Candidate Disk Drives 126 Identifying System Disk Drives Page Page Listing or Deleting Old RAID Arrays Recorded in an SSA RAID Manager 130 Listing Old RAID Arrays Recorded in an SSA RAID Manager 5. If any old arrays are in the RAID manager,a list of those arrays appears: 132 Deleting an Old RAID Array Recorded in an SSA RAID Manager 134 Changing or Showing the Attributes of an SSA RAIDArray Page Changing Member Disks in an SSA RAID Array Removing a Disk Drive from an SSA RAID Array 138 Page Adding a Disk Drive to an SSA RAID Array 140 Page Swapping Members of an SSA RAID Array 142 Page Changing or Showing the Use of an SSA Disk Drive 3. Alist of disk drives and their usage is displayed in a window: Chapter6. Using the RAID Array Configurator 145 146 Changing the Use of Multiple SSA Physical Disks Copying RAID-1 or RAID-10 Arrays Chapter 7. Copying Data from Arrays and from VolumeGroups Page Copying Data from an Array Using the ssaraid Command to Create a RAID-Copy Array from a RAID-1 or RAID-10 Array Page Page Page Using SMIT to Create a RAID-Copy Array from a RAID-1 or RAID-10 Array Page Page Page Using the ssa_make_copy Command to Create a RAID Copy from a RAID-1 or RAID-10 Array Page ssa_make_copy Command Purpose Description Page Page Example 1: Copying a Complete Volume Group Example 2: Copying One Logical Volume Example 3: Copying One Logical Volume by Logical VolumeName or by FS Name Page Example 4: Copying One Logical Volume by Logical VolumeName or by FS Name (2) Example 4: Copying a Complete Volume Group and Recreating the Copy on Another Using System Example 5: Running an Automatic Copy of a VolumeGroup ssa_delete_copy Command Purpose SMIT Menus for 3-Way Copy Operations Getting Access to the Array Copy Services Menu Array Copy Services Page Prepare a Copy Page Uncouple a Volume Group, Logical Volumes,or Filesystems Copy Page List All Copy Candidates Page List All Uncoupled Copies List All Uncoupled VolumeGroups Delete a RAID Array Copy Delete a Volume Group, Logical Volumes,or Filesystems Copy Page Effects of Array Copy on Other SMIT Menus Change/Show Attributes of an SSA RAID Array Page List Status Of All Defined SSA RAIDArrays Identify Disks in an SSA RAID Array Remove a Disk From an SSA RAID Array Swap Members of an SSA RAID Array Page Chapter 8. Split-Site Management Configuration of RAID-1 and RAID-10 Arrays Operation after a Loss of Member Disks 194 One Half of the Array Is Not Present Single-Host System with Primary Disk Drive Missing Dual-Host System with Primary Disk Drive Missing Dual-Host System with Only One System Switched On System 2 SSA Adapter 198 Split Systems 200 Page 202 Array is Offline because Adapter Is Not Known to the Remaining Half of the Array Failure of an Adapter and a Disk Drive Moving an Array between Systems 204 Array is Offline because the Split and Join Procedure Was Not Performed Correctly RAID-10 Array Split 206 RAID-10 Array with Unsynchronized Data ? ? Page Chapter 9. Using the SSA Spare Tool Page Chapter 10. Using the Fast-Write Cache Feature Fast-Write Cache Card Battery Configuring the Fast-Write Cache Feature Page Getting Access to the Fast-Write Menus Enabling or Disabling Fast-Write for One Disk Drive 214 Enabling or Disabling Fast-Write for Multiple Devices 216 Bypassing the Cache in a One-Way Fast-Write Network Dealing with Fast-Write Problems SRN 42521 218 Page SRN 42524 SRN 42525 220 Chapter 11. SSAError Logs Error Logging Summary 222 Page Table2. Error Labels (continued) 224 :| Detail Data Formats run_ssa_healthcheck cron 226 run_ssa_link_speed cron Duplicate Node Test Error Logging Management Summary 228 Error Log Analysis Summary Error Log Analysis Routine 230 Page Command Line Error Log Analysis run_ssa_ela cron 232 Good Housekeeping Page Chapter 12. Using the SSA Command Line Interface for RAID Configurations 236 Command Syntax Options Object Types Instruct Types 238 Example 1: To Create a RAID-0Array Example 2: To Create a RAID-1Array Example 3: To Create a RAID-5Array Example 4: To Create a RAID-10Array 240 Example 5: To Create a Hot Spare Pool Example 6: To ListAll Defined SSA Objects Example 7: To Change anAttribute of an Object Example 8: To Exchange a Member Disk Drive of an ExistingArray 242 Example 9: To Make a New System Disk Example 10: To Delete anArray SSARAID Command Attributes RAID Arrays Creation and Change Attributes 244 Creation and Change Attributes for All RAIDArrays Creation and Change Attributes for RAID-1, RAID-5, and RAID-10 Arrays Only Page Creation and Change Attributes for RAID-1 and RAID-10 Arrays Only Creation and Change Attribute for RAID-5 Arrays Only Creation and Change Attribute for RAID-10 Arrays Only RAID Arrays Change Attributes Change Attributes for All RAID Arrays Hot Spare Pool Creation and Change Attribute Physical Disk Drive Change Attributes Change Attribute for Hot Spare Disk Drives Only Change Attribute for Array Member Disk Drives Only Other Change Attributes for Physical Disk Drives 250 Action Attributes (RAID-1, RAID-5, and RAID-10 Only) Couple Action Attributes (RAID-1 and RAID-10 Only) Uncouple Action Attributes (RAID-1 and RAID-10 Only) Return Codes Page Chapter 13. Using the Programming Interface SSA Subsystem Overview Device Drivers Responsibilities of the SSA Adapter Device Driver Responsibilities of the SSA Disk Device Driver Interface between the SSA Adapter Device Driver and Head Device Driver Trace Formatting 256 SSA Adapter Device Driver Purpose Syntax Description Configuring Devices PCI SSA Adapter ODMAttributes open and close Subroutines Summary of SSA Error Conditions Managing Dumps Page Page SSA_TRANSACTION SSA Adapter Device Driver ioctl Operation Purpose Description 262 Files Page Page ssadisk SSA Disk Device Driver Purpose Syntax Configuration Issues SSA Logical Disks, SSA Physical Disks, and SSARAID Arrays Multiple Adapters Configuring SSA Disk Drive Devices Page Device Attributes Attributes of the SSA Router, ssar 270 Attributes Common to SSA Logical and SSA Physical Disks Attributes for SSA Logical Disks Only open, read, write and close Subroutines 272 Page readx and writex Subroutines Error Conditions 274 Page Special Files 276 Page SSADISK_ISAL_CMD (ISAL Command) SSA Disk Device Driver ioctl Operation Purpose Description 278 Page Page SSADISK_ISALMgr_CMD (ISAL Manager Command) SSA Disk Device Driver ioctl Operation Purpose Description 282 SSADISK_SCSI_CMD (SCSI Command) SSA Disk Device Driver ioctl Operation Purpose Description 284 SSADISK_LIST_PDISKS SSA Disk Device Driver ioctl Operation Purpose Description 286 SSA Disk Concurrent Mode of Operation Interface Device Driver Entry Point Top Kernel Extension Entry Point 288 Page SSA Disk Fencing 290 SSA Target Mode Configuring the SSA TargetMode 292 Buffer Management Understanding Target-Mode Data Pacing Using SSA TargetMode Execution of Target Mode Requests 294 SSA tmssa Device Driver Purpose Syntax Description Configuration Information open Subroutine 296 close Subroutine read Subroutine 298 write subroutine 300 ioctl Subroutine select Entry Point Errors 302 Page tmssa Special File Purpose Description Implementation Specifics 304 Related Information IOCINFO (Device Information) tmssa Device Driver ioctl Operation Purpose Description Page TMIOSTAT(Status) tmssa Device Driver ioctl Operation Purpose Description TMCHGIMPARM (Change Parameters) tmssa Device Driver ioctl Operation Purpose Description 308 Page Page Page Page Chapter 14. SSA Adapter Information Installing the SSA Adapter Cron Table Entries Microcode Maintenance Checking the ID and Level of the Microcode Package 314 Maintaining the Adapter Microcode Maintaining the Disk Drive Microcode Vital Product Data (VPD) for the SSA Adapter 316 Adapter Power-On Self-Tests (POSTs) Page Chapter 15. Removal and Replacement Procedures Exchanging Disk Drives 3. Select the array that you want to delete. 320 Page 322 Page Page Page Changing Pdisk and Hdisk Numbers 326 Removing and Replacing an Advanced SerialRAID Adapter Page Removing an SDRAM Module of an Advanced SerialRAID Adapter Installing an SDRAM Module of an Advanced SerialRAID Adapter 1 1 Removing the Fast-Write Cache Option Card of an Advanced SerialRAID Adapter 332 Page Installing the Fast-Write Cache Option Card of an Advanced SerialRAID Adapter 334 Page 336 Page Page Page Page Chapter 16. Using the SSA Command Line Utilities ssa_sesdld Command Purpose Description Examples Page Page ssa_certify Command Purpose Description 346 Page ssa_diag Command Purpose Description Output 348 Page ssadload Command Purpose Description 350 Page Page ssa_ela Command Purpose Description Page ssaencl Command Purpose Syntax Description 356 Page ssa_format Command Purpose Description 358 Page ssa_fw_status Command Purpose Description Output Page Flags Required Flags for Both Modes 362 Required Flags for Copy Mode Optional Flags for List Mode Optional Flags for Copy Mode Output Page Page Page Examples Return Codes Page ssa_speed Command Purpose Description Output 370 Page Page Chapter 17. SSA Service Aids Page The Identify Function Starting the SSA Service Aids 376 Page Set Service Mode Service Aid 378 The columns of information displayed on the screen have the following meanings: 380 Page 382 Link Verification Service Aid 384 Page 386 Configuration Verification Service Aid 388 Format Disk Service Aid 390 Certify Disk Service Aid 392 Display/Download Disk Drive Microcode Service Aid 394 Page Link Speed Service Aid 396 Page 398 This screen shows the same configuration, but here the link is broken between pdisk1 and pdisk2. Figure55 gives a physical representation of the configuration that is shown on the screen. Figure55. Configuration with Broken Link Shown by the Service Aid Page Example 1. Normal Loops Chapter17. SSAService Aids 401 Figure56. Normal Loop Note: Scroll the display to see all the connected disk drives. 402 Example 2. Broken Loop (Cable Removed) Figure57. Broken Loop (Cable Removed) 404 Note that the column for adapter connectorA2 shows no connections. Chapter17. SSAService Aids 405 Example 3. Broken Loop (Disk Drive Removed) 406 Figure58. Broken Loop (Disk Drive Removed) Note that the missing disk drive (pdisk8) is represented by a line of question marks. 408 Finding the Physical Location of a Device Finding the Device When Service Aids AreAvailable Finding the Device When No Service Aids AreAvailable Page Chapter 18. SSA Problem Determination Procedures Service Request Numbers (SRNs) The SRN Table Using the SRN Table Page Page 414 Page Page Page 418 Page 420 Page Page Page Page Page 426 Page 428 Page 430 Page 432 Page Page Page 436 Page Page Page 440 Software and Microcode Errors SSA Loop Configurations that Are Not Valid Page SSA Maintenance Analysis Procedures (MAPs) How to Use the MAPs MAP 2010: START 444 MAP 2320: SSA Link 446 Page 448 Page MAP 2323: SSA Intermittent Link Error 450 Page 452 Page MAP 2324: SSA RAID Page 456 Page 458 Page 460 Page 462 Page 464 Page 466 Page Page Page 470 Page Page Page Page MAP 2410: SSA Repair Verification 476 Page SSA Link Errors SSA Link Error Problem Determination 478 Page Cable SSASubsystem SSASubsystem Cable 480 Link Status (Ready) Lights Service Aid Repair Actions 482 Page Page Appendix. Communications Statements Federal Communications Commission (FCC) Statement Japanese Voluntary Control Council for Interference (VCCI) Statement Korean Government Ministry of Communication (MOC) Statement New Zealand Compliance Statement International Electrotechnical Commission (IEC) Statement Avis de conformitla rglementation dIndustrie Canada 486 Industry Canada Compliance Statement United Kingdom Telecommunications Requirements Page Page Glossary A B C D E F G H I K N O P R S U V Index Numerics A 494 B C 496 D 498 E F G H 500 I L M N O P R 502 Page S 504 Page 506 T U V 508 W

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