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Removal and replacement procedures 56
2.
Install the SAS cache battery.
a. Mount the SAS cache battery on the chassis indentation located below the HDD cage (1).
b. Connect the BBWC cable to the SAS controller board (2).
3. Proceed to page 40 for instructions on how to install a SAS hard drive.
Flash-backed write cache procedures
Two types of procedures are provided for the FBWC option:
• Removal and replacement of failed components:
• Removing the cache module
• Removing the capacitor pack
• Recovery of cached data from a failed server
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.
Flash-backed write cache module
To remove the component:
CAUTION: Do not use this controller with cache modules designed for other controller
models, because the controller can malfunction and you can lose data. Also, do not transfer
this cache module to a different controller module, because you can lose data.
1. Back up all data.
2. Close all applications.
3. Power down the server.