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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:
Which disk drives are affected by this error
How much data has been lost
Which data recovery procedures can be done
2. Ask the customer to disable the Fast-Write feature for:
Each device for which Fast-Write is offline
All 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%)
(“Exchanging the Fast-Write Cache
Card” on page 23)
Description: A Fast-Write Cache card has failed. Data has been
written to the card and cannot be recovered. The disk drives
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:
Which disk drives are affected by this error
How much data has been lost
Which data recovery procedures can be done
2. Ask the customer to disable Fast-Write for:
Each device for which the Fast-Write is offline
All 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