IBM SY33-0193-00 manual Service Request Numbers SRNs7

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