Removal and replacement procedures 37
2. Power down the failed server ("Powering down the server" on page 18). If
any data is trapped in the cache module, the amber LED on the module
("BBWC LEDs" on page 117
) blinks every 15 seconds.
CAUTION: Do not detach the cable that connects the battery pack
to the cache module. Detaching the cable causes any unsaved data in
the cache module to be lost.
3. Transfer the hard drives from the failed server to the recovery server station.
4. Remove the BBWC cache module ("Removing the BBWC cache module" on
page 38
) and battery pack ("Removing the BBWC battery pack" on page 37)
from the failed server.
5. Perform one of the following:
– Install the BBWC into an empty BBWC DIMM socket on the system
board of the recovery server.
– Install the BBWC into an empty BBWC DIMM socket on any Smart
Array 641 or 642 controller in the recovery server.
6. Power up the recovery server. A 1759 POST message appears, stating that
valid data was flushed from the cache. This data is now stored on the drives
in the recovery server. You can now transfer the drives (and controller, if one
was used) to another server.
Removing the BBWC battery pack
1. Power down the server ("Powering down the server" on page 18).
2. Extend or remove the server from the rack ("Removing the server from the
rack" on page 19
).
3. Remove the access panel ("Removing the access panel" on page 19
).
4. Remove the system cage ("Removing the system cage" on page 20
).
CAUTION: To prevent a server malfunction or damage to the
equipment, do not add or remove the battery pack while an array
capacity expansion, RAID level migration, or stripe size migration is in
progress.
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