HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 - (English) Advanc - Page 400
Battery Backup Unit (BBU) Removal/Replacement
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Battery Backup Unit (BBU) Removal/Replacement ! Hot Swappable Component! Note If the Fast Write Cache LED is on when the BBU is removed from the enclosure (or if the BBU fails), write caching will be disabled and the write cache data will be written to disk. However, if a power outage occurs prior to completing the cache write to disk, data may be lost. Therefore, make sure the Fast Write Cache LED is off before replacing the BBU. Removing the BBU 1. Remove the controller enclosure front cover. See "Front Cover Removal/Replacement" on page 397. 2. Loosen the four screws (two on each side) on the BBU. See Figure 101. CAUTION The BBU weighs approximately 24 pounds so be prepared to support its weight when you pull it out of the chassis. The BBU is not as deep as other modules and disengages the enclosure sooner than you may expect. 3. Grasp the two handles and slide the module out about two inches. 4. Grasp both sides of the module with both hands and slide it out of the enclosure. 400 Controller Enclosure Modules