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Removing and Replacing Components
5. Remove the cache from the controller board:
a. Open the ejector levers on each side of the memory module socket (1).
b. Pull the cache board out of the socket (2).
If the cache battery must be replaced:
a. Press down on the plastic retainer tabs and push them through to the other side of the
cache board (3).
b. Lift the battery pack off the cache board.
6. Replace whichever battery pack is degraded with the new battery pack.
7. Reinstall the cache and battery packs in the controller module.
IMPORTANT: After installing a new battery pack and replacing the controller module in the enclosure,
it might take up to 45 minutes for the battery to recharge and the battery-backed write cache to become
fully enabled.
Mounting Bracket Covers
To remove the mounting bracket covers, pull them horizontally straight off the mounting
bracket.
To install new covers, push them firmly onto the bracket until they are securely in place.
Replacement Procedures for Non-Hot-Pluggable Components
All non-hot-pluggable components are inside the enclosure. To reach these components:
1. Disconnect the AC power cords from both power supply units on the enclosure.
3-6 HP StorageWorks Modular Smart Array 20 Maintenance and Service Guide