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Use this procedure to shut down the storage server during an emergency:
1. If you have time, stop all I/O activity to the storage server by shutting down the
2. Check the LEDs (front and back). Make note of any Fault LEDs that are on so you
3. Turn off all power-supply switches; then, unplug the power cords from the storage
Restoring power after an emergency shutdown
Use this procedure to restart the storage server if you turned off the power-supply
switches during an emergency shutdown, or if a power failure or a power outage
occurred:
1. After the emergency situation is over or power is restored, check the storage
2. After you have checked for damage, ensure that the power-supply switches are
3. Complete step 2 on page 25 to determine the proper power-on sequence for your
4. Complete steps 3 and 4 on page 25 to turn on power to the devices in your
Restoring power after an overtemperature shutdown
Use this procedure to restart the storage server after an unexpected shutdown due to
of an overtemperature condition:
1. Make sure that the power-supply switches on the back of the storage server are
2. Do whatever is necessary to cool the unit (replace the fans, use external fans to
3. Check all components and cables for visible damage. Do not start the storage
4. Complete step 2 on page 25 to determine the proper power-on sequence for your
5. When the internal temperature of the storage server is below 45 ° C (113 ° F),
Monitoring status through software
Use the storage-management software to monitor the status of the storage server.
Run the software constantly, and check it frequently.
The storage-management software provides the best way to diagnose and repair
storage-server failures. The software can help you:
Although the storage server has fault LEDs, these lights do not necessarily indicate
which component has failed or needs to be replaced, or which type of recovery
28
IBM FAStT200 and FAStT200 HA Storage Servers Installation and User's Guide
host or disconnecting the storage server logical drives through the host.
can correct the problem when you turn on the power again.
server.
server for damage. If there is no visible damage, continue with Step 2; otherwise,
have your system serviced.
off; then, plug in the storage-server power cords.
system.
system and to check the status of the storage server.
turned off.
cool the room, and so on).
server if you find evidence of damage.
system.
complete steps 3 and 4 on page 25 to turn on power to the devices in your system
and to check the status of the storage server.
• Determine the nature of the failure
• Locate the failed component
• Determine the recovery procedures to repair the failure
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