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Removal and Replacement Procedures 15
Battery-Backed Cache Module
To remove the component:
1. Determine if the controller configuration supports hot-plug cache
replacement:
− If the storage system is equipped with a single controller, power down
the storage system (on page 9
).
− If the system has redundant controllers and the replacement cache is a
different capacity than the failed cache, power down the storage system
(on page 9
).
− If the system has redundant controllers and the replacement cache is the
same capacity as the failed cache, proceed with step 2.
2. Remove the controller ("Modular Smart Array 500 Generation 2 Controller"
on page 13
).
3. Remove the existing cache module.
4. Repeat steps 2 and 3 if the storage system has redundant controllers and the
replacement cache is a different capacity than the failed cache.
To replace the cache module:
1. Install the module in the slot.