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3-18 Sun StorEdge 5310 NAS Troubleshooting Guide • December 2004
8. Check the lights on the back of the command module, and then choose one of the
following steps, based on the status of the lights.
The Host Link and Host Speed lights as well as the Power light are illuminated; all
others are off - The module Link or 100BT light might be on if the command module
is using an Ethernet connection. Go to step 9.
One or more amber lights are on - Do not continue with the power off procedure
until you have corrected the fault. To diagnose the problem, go to “Troubleshooting
the Module” on page 3-22.
9. Turn off the main circuit breaker in the cabinet.
10. Turn off all power switches on all modules affected by the unplanned shutdown.
11. Unplug both power cables from each module.
12. Replace the front cover on the command module, if applicable.
13. After the emergency situation has passed, perform the power recovery procedure
in “Restoring Power After an Unplanned Shutdown” on page 3-18.
End Of Procedure
3.1.2.5 Restoring Power After an Unplanned Shutdown
Caution – WARNING! Risk of severe electrical shock. Never turn on the power to
any equipment if there is evidence of fire, water, or structural damage. Doing so may
cause severe electrical shock. After the emergency situation has passed or power is
restored to the building, always check all the equipment for physical damage first.
Use the following procedure to restore power to all modules in a storage array.
Figure 3-11 on page 3-10 shows the locations of the power switches.
1. Remove the back cover, if needed.
2. Is there evidence of damage to any components or cables?
Yes - Do not continue with this procedure if you find any evidence of damage.Call
the factory or appropriate service organization for assistance. Depending on the
current service agreements, you may need to return the equipment to the factory or
local service center for repair.
No - Go to step 3.
Caution – Potential data loss or corruption. Ensure that all module power switches
are turned off before resetting the circuit breakers. Failure to do so can cause data
loss or corruption.