Fbwc Procedures; Removing The Fbwc Module - HP ProLiant ML110 G7 Maintenance And Service Manual

If the array controller has failed, remove the cache module
o
46) and battery pack
controller, and install the cache module and battery pack on an array controller in the recovery
server.
If the server has failed, remove the controller, cache module
o
page 46), and battery pack
server, and install the controller, cache module, and battery pack in the recovery server.
Power up the recovery server. A 1759 POST message is displayed, stating that valid data was flushed
5.
from the cache. This data is now stored on the drives in the recovery server. You can now transfer the
drives (and controller, if one was used) to another server.

FBWC procedures

•
Removing and replacing failed components:
Removing the FBWC module (on page 52)
o
Removing the capacitor pack
o
Installing the FBWC module and capacitor pack
o
module" on page 48)
•
Recovering cached data from a failed server
on page 51)
CAUTION:
module. Detaching the cable causes all data in the cache module to be lost.

Removing the FBWC module

CAUTION:
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.
Back up all data.
1.
Close all applications.
2.
Power off the server
3.
CAUTION:
powered down and the last to be powered back up. Taking this precaution ensures that the system
does not erroneously mark the drives as failed when the server is powered up.
Remove the access panel
4.
Remove the air baffle
5.
If the existing FBWC module is connected to a capacitor pack, observe the FBWC module LEDs (on
6.
page 89):
If the amber LED is flashing, data is trapped in the cache. Restore system power, and restart this
o
procedure.
If the amber LED is not illuminated, remove the controller from the server, and then continue with the
o
next step.
("Removing the BBWC battery
("Removing the BBWC battery
("Removing the BBWC battery
Do not detach the cable that connects the battery pack or capacitor pack to the cache
Do not use this controller with cache modules designed for other controller models,
("Power down the server" on page 23).
In systems that use external data storage, be sure that the server is the first unit to be
("Removing the access
("Removing the air baffle" on page 26).
("Removing the BBWC
pack" on page 47) from the failed array
("Removing the BBWC
pack" on page 47) from the failed
pack" on page 47)
("Installing the BBWC battery pack and cache
("Recovering data from the battery-backed write
panel" on page 24).
Removal and replacement procedures 52
module" on page
module" on
cache"