IBM SY33-0193-00 manual Service Request Numbers SRNs7

Page 15

SRN

FRU List

Problem

42520

Fast-Write Cache Card (100%)

Description:

A Fast-Write Cache Card has failed. Data has been

written

to the cache

card

and

cannot

be

recovered. The location

of the

lost

data

is

not known.

The disk drive is

offline.

Action:

1. Ask

the

customer

to

determine:

Ÿ Which

disk

drives

are

affected

by

this

error

Ÿ How much data has been lost

ŸWhich data recovery procedures can be done

2. Ask the customer to disable the Fast-Write feature for:

Ÿ Each device for which Fast-Write is offline

ŸAll other devices that are connected to the failing adapter and have Fast-Write enabled

For details of how to disable Fast-Write see “Dealing with Fast-Write Problems” on page 12.

3. Exchange

the Fast-Write Cache Card for a new one.

4. Ask

the

customer to re-enable Fast-Write for the devices

that are

attached to the

new

Fast-Write Cache

Card.

42521

Fast-Write

Cache Card (100%)

Description:

A Fast-Write Cache card has failed. Data has been

(“Exchanging the Fast-Write Cache

written

to

the

card

and

cannot

be

recovered.

The

disk drives

Card”

on page 23)

that have

lost

data

cannot

be

identified.

All

unsynchronized

fast-write disk drives that

are attached

to

this

adapter are

off-line.

Action:

1. Ask

the

customer

to

determine:

Ÿ

Which

disk

drives

are affected

by

this error

Ÿ

How

much

data

has

been

lost

Ÿ

Which

data

recovery

procedures

can

be

done

2. Ask the customer to disable Fast-Write for:

Ÿ Each device for which the Fast-Write is offline

ŸAll other devices that are connected to the failing adapter and have the Fast-Write enabled

For details of how to disable Fast-Write see “Dealing with Fast-Write Problems” on page 12.

3. Exchange the Fast-Write Cache card for a new one.

4.Ask the customer to re-enable Fast-Write for the devices that are attached to the new Fast-Write Cache Card.

Service Request Numbers (SRNs)7

Image 15

Contents IBM Page October Maintenance Manual1998 FirstContents Identify How This Book Is Organized About This SupplementSerialRAID Adapter Installation and , User’s S33-3283Guide Related PublicationsIBM SerialRAID Adapter Technical ,ReferenceSA33-3275-01 SerialRAID SerialRAID Adapter Installation and Usersfor moreGuidetailsGeneral Information SRN Table Using the SRN TableSee Installation Displaying SRNsRepair Verification Verify Adapters Unless You are instructedService Request Numbers SRNs5 SSA Service Request Numbers SRNs7 FRU List Service Request Numbers SRNs9 40% Service Request Numbers SRNs11 Software and Microcode Errors SSA Loop Configurations that Are Not ValidDealing with Fast-Write Problems Service Request Numbers SRNs13 IBM SerialRAID Adapter Maintenance Information Example SSA Link Error Problem DeterminationLink Status Lights Light Locating a Broken LoopIBM SerialRAID Adapter Maintenance Information Exchanging a Non-Array Disk Drive Replacement Disk DrivesUsing the DOS Configurator DiskRSM ConfiguratorUsing GuideList UsingExchanging an Array Disk Using the RSM Configurator Exchanging an Array DiskModule IBM SerialRAID Adapter Maintenance Information Installing a Dram Exchanging the Fast-Write Cache CardRemoving the Cache Card Refer to Figure Remove Pin2/ Removing the Fast-Write Cache Card CardDirection shown by the arrow in the diagram, and plug it Installing the Collar and Pin of the Fast-Write Cache Card Accessing Service Aids from Service Aids and OtherDisk Service Aids Adapter Installation Users GuideConfigurator Accessing Service AidsTo Set Service Mode with the DOS Configurator Service ModeHere Loop Is broken Between Third Fourth disk Drives Status To Set Service Mode With the RSM Configurator Format Disk To Format Using the DOS Configurator To Format With the RSM Configurator To Certify using the DOS ConfiguratorCertify Disk To Certify With the RSM Configurator Download Microcode Function To Identify with the DOS ConfiguratorTo Identify With the RSM Configurator Identify FunctionFinding the Device Are AvailableFinding the Physical Finding the Device WhenView SSA Event Log Event/Error LoggerError Summary LogIBM SerialRAID Adapter Maintenance Information To a Maintenance TasksUsing the RSM Configurator Nvram FromList ArrayMaintenance Manual Modifying Attributes of ResourcesSelectNot Present Blank Slot To select the disk drives for the array Creating an Array To create an arrayIBM SerialRAID Adapter Maintenance Information Attaching a Resource IBM SerialRAID Adapter Maintenance Information Utilities IntroductionEvent IBM SerialRAID Adapter Maintenance Information YOU BOOK?SRN? Is the SRN 45PAA? MAP015 2010-4IBM SerialRAID Adapter Maintenance Information IBM the SerialRAID Adapter Installation . Users Guide MAP 2320 SSA LinkANY Are TextBreak 012013 FAILING?016 018 TextBreakIs a Yes 0172320-6IBM SerialRAID Adapter Maintenance Information MAP 2323 SSA Intermittent ErrorPAA Example 2323-4IBM SerialRAID Adapter Maintenance Information MAP 2324 SSA RAID SelectDisk Service AidsDid the Diagnostics Give YOU ANY Other SRN? Do YOU have SRN 49500?Yes No 002 Action Not Necessarily by You?Are ANY Disk Drives LISTED? Disks022 019Yes 020 021Did Did the Certify Service AID Fail AGAIN? 038 Open LOOP?041 Adapter Installation . Users GuideYes 039 040Yes 046 047048 Use Hot Modify Attributes051 054 Is the Problem SOLVED?SelectSSA Adapter List On ANY ARRAY?062 059060 Yes No 061065 066Yes No 067 071 RAID Checkout069 Yes No 070Or More 075Yes No 076 077Into 092 089090 Yes 091How 2324-20IBM SerialRAID Adapter Maintenance Information Yes No 005 MAP 2410 SSA Repair VerificationAPPLICABLE? Are ALL Check Lights OFF?006 You have just exchanged a disk drive Page IBM