SRN

FRU

List

 

 

 

 

Problem

 

 

 

 

 

 

 

 

 

 

 

42500

Fast-Write

Cache

Card

(98%)

Description:

The

Fast-Write

Cache

Card

has failed.

 

(“Exchanging

the Fast-Write Cache

Action:

 

 

 

 

 

 

 

 

 

 

 

Card”

on

page 23)

1. Exchange

the

Cache

Card for

a

new

one

 

 

 

SSA

Adapter

Card

(2%)

(Installation

 

 

 

2.

Switch on

power to

the

using

system

 

 

 

 

and

User

Guide)

 

 

 

 

 

 

 

 

 

 

3.

New error codes are produced if the original cache card

 

 

 

 

 

 

 

 

contained data that was not moved to a disk drive. Run

 

 

 

 

 

 

 

 

diagnostics on

the

adapter and

if

a

SRN

is

produced, do

 

 

 

 

 

 

 

 

the actions for that SRN.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42510

None

 

 

 

 

 

Description:

Not

enough

DRAM

available

to

run

the

fast-write

 

 

 

 

 

 

 

cache operation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Action:

 

 

 

 

 

 

 

 

 

 

1. Start the using-system service aids.

2.

SelectDisplay

or Change Configuration or

Vital Product

 

Data

(VPD) .

 

 

 

 

3.

SelectDisplay

Vital

Product

Data .

 

4.

Find

the

VPD

for

the SSA

adapter that is logging the error.

5.Note the DRAM and cache sizes (Device Specifics Z0 and Z1).

6.For fast-write operations, you must have a 32 MB DRAM. Check that you have the correct size of DRAM.

42515

Fast-write

Cache

Card

(90%)

 

Description:

A

fast-write disk is installed,

but

no

Fast-Write

 

 

“Exchanging the

Fast-Write

Cache Card”Cache

Card

has

been

detected.

This

problem

can

be

caused

 

 

on

page 23)

 

 

 

 

because:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SSA

adapter

card

(10%)

(using

system Ÿ

The

cache

card

is

not

 

installed

correctly.

 

 

 

 

 

 

Installation

and

 

Users) Guide

Ÿ

The

Fast-Write

feature

is not installed

on

this

machine,

but

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a

disk

drive

that is

configured

for

fast-write

operations

has

 

 

 

 

 

 

 

 

 

been added to the subsystem.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Action:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1. If you have not already done so, run diagnostics on the

 

 

 

 

 

 

 

 

 

 

adapter. If a different SRN is

generated

solve

that

problem

 

 

 

 

 

 

 

 

 

first.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Do

the

following

actions

as

appropriate:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ÿ

If

the

cache card is not installed

 

correctly, remove

it

 

 

 

 

 

 

 

 

 

 

from

the

adapter

and

reinstall

it

correctly.

 

 

 

ŸIf the cache card is installed correctly, it might have failed. Exchange for new FRUs, the FRUs that are

shown

in

the

FRU

list

for

this

SRN.

Ÿ If

the

Fast-Write

feature

is

not

installed, and you want

to delete the fast-write function

for one or more disk

drives that

have

been

added

to

this subsystem:

3. Verify with the customer that the fast-write function can be deleted for the disk drives configured for fast-write.

4. Using the

RSM

configurator, select the resource in question

and selectDelete

FW

. See

“Dealing with Fast-Write

Problems” on

page 12

for more details.

6 IBM SerialRAID Adapter Maintenance Information

Page 14
Image 14
IBM SY33-0193-00 manual Ssa