9.3 Backup Units
The Backup Unit backs up the memory contents of the connected SAS RAID
controller in the event of a power failure.
9.3.1 Installing an FBU
V CAUTION!
For further safety information, please refer to "Important information" on
page 31.
9.3.1.1 Preliminary steps
Before installing an FBU, perform the following steps:
Ê Disable boot watchdog functionality as described in section "Disabling
SVOM boot watchdog functionality" on page 74.
Ê Shut down the defective server as described in section "Shutting down the
server" on page 52.
Ê Disconnect the AC power cord from the system.
Ê Remove the server cover as described in section "Opening the server" on
page 55.
Ê Open the front cage as described in section "Opening the front cage" on
page 60.
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Tools:
Preliminary and concluding steps: tool-less
Installing an FBU: tool-less
Installing TFM: Phillips PH1 / (+) No.1 screw driver
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