Recovering Data From The Battery-Backed Write Cache - HP ProLiant BL685c G6 Maintenance And Service Manual

Mezzanine card controller option
o
Disconnect the battery pack.
5.
To replace the component, reverse the removal procedure.

Recovering data from the battery-backed write cache

If the server fails, use the following procedure to recover data temporarily stored in the BBWC.
CAUTION:
electrostatic discharge
Perform one of the following:
1.
Set up a recovery server station using an identical server model. Do not install any internal drives
o
or BBWC in this server. (HP recommends this option.)
Before starting this procedure, read the information about protecting against
("Preventing electrostatic discharge" on page 22).
Removal and replacement procedures 33