Removal and replacement procedures 54
o
Find a server that has enough empty drive bays to accommodate all the drives from the failed server
and that meets all the other requirements for drive and array migration.
2. Power down the failed server ("Power down the server" on page 26).
3. Transfer the drives from the failed server to the recovery server station.
4. Perform one of the following:
o If the array controller has failed, remove the cache module and capacitor pack from the failed array
controller, and install the cache module and capacitor pack on an identical array controller model
in the recovery server.
o If the server has failed, remove the controller ("Half-length expansion board" on page 55), cache
module, and capacitor pack from the failed server, and install the controller, cache module, and
capacitor pack in the recovery server.
5. Power up the recovery server. If there was data in the cache at the time of the controller or server failure,
a 1792 POST message appears, stating that valid data was flushed 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 is
used) to another server.
If the drives are migrated to different drive positions or there are volumes present in the recovery server,
a 1724 POST message appears, stating that logical drive configuration has been updated
automatically.
Expansion slot blanks
WARNING: To reduce the risk of personal injury, electric shock, or damage to the equipment,
remove the power cord to remove power from the server. The front panel Power On/Standby
button does not completely shut off system power. Portions of the power supply and some internal
circuitry remain active until AC power is removed.
CAUTION: For proper cooling, do not operate the server without the access panel, baffles,
expansion slot covers, or blanks installed. If the server supports hot-plug components, minimize
the amount of time the access panel is open.
To remove the component:
1. Power down the server (on page 26).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Extend ("Extend the server from the rack" on page 27) or remove ("Remove the server from the rack" on
page 28) the server from the rack.
4. Remove the access panel ("Access panel" on page 32).
5. Disconnect any external cables that are connected to the expansion board.
6. Disconnect any internal cables that are connected to the expansion board.
7. Remove the PCIe riser cage ("Remove the primary PCIe riser cage" on page 35, "Remove the
secondary PCIe riser cage" on page 36).
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