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Contents
About This Supplement ............................... v
How This Book Is Organized ............................. v
Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi
Introducing the IBM SerialRAID Adapter ..................... 1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Service Request Numbers (SRNs) ......................... 3
Displaying SRNs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
The SRN Table .................................... 3
Using the SRN Table ................................. 3
Software and Microcode Errors .......................... 12
SSA Loop Configurations that Are Not Valid .................... 12
Dealing with Fast-Write Problems ......................... 12
SSA Link Errors .................................. 15
SSA Link Error Problem Determination ...................... 15
Link Status Lights .................................. 16
Locating a Broken Loop .............................. 17
Removing and Replacing FRUs ......................... 19
Exchanging Disk Drives .............................. 19
Replacement Disk Drives ............................ 19
Exchanging a Non-Array Disk Drive ....................... 19
Exchanging an Array Disk ............................ 20
Exchanging DRAMs on the IBM SerialRAID Adapter ............... 22
Removing a DRAM ............................... 22
Installing a DRAM ................................ 23
Exchanging the Fast-Write Cache Card ...................... 23
Removing the Cache Card ........................... 23
Installing the Cache Card ............................ 26
Service Aids and Other Utilities ......................... 29
Disk Service Aids .................................. 29
Accessing Service Aids from the DOS Configurator .............. 29
Accessing Service Aids from the RSM Configurator .............. 30
Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
To Set Service Mode with the DOS Configurator ................ 31
To Set Service Mode With the RSM Configurator ............... 33
Format Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
To Format Using the DOS Configurator ..................... 34
To Format With the RSM Configurator ..................... 35
Certify Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
To Certify using the DOS Configurator ..................... 35
To Certify With the RSM Configurator ..................... 36
Copyright IBM Corp. 1998 iii