Removal and replacement procedures 48
CAUTION: In systems that use external data storage, be sure that the server is the first unit to be
powered down and the last to be powered back up. Taking this precaution ensures that the system
does not erroneously mark the drives as failed when the server is powered up.
4. Remove the access panel ("Removing the access panel" on page 24).
5. Remove the air baffle ("Removing the air baffle" on page 26).
6. If the pack is connected to the BBWC module, disconnect the pack cable from the connector on the top
of the cache module.
7. Disconnect the cable, and then remove the pack.
Installing the BBWC battery pack and cache module
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.