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

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IBM SY33-0193-00 manual Contents