To replace a faulty expansion enclosure midplane assembly
with a new one received from CRU / FRU stock, use this procedure.
About this task
Attention: To prevent data loss, you must shut
down the system before you begin the procedure to replace an expansion
enclosure midplane assembly.
The control
enclosure midplane assembly must be replaced only by a trained service
provider.
Procedure
To replace the expansion enclosure midplane assembly,
complete the following steps.
- Read the safety information in Preparing to remove and replace parts.
- Read Procedure: Understanding volume dependencies to determine whether to continue
this procedure.
- Disconnect each power supply unit in the expansion enclosure from its power outlet so that the
expansion enclosure is powered off.
- Confirm that all the LEDs on the rear of the enclosure
are off.
- Complete the Replacing the enclosure midplane of a powered off enclosure procedure on the expansion enclosure.
- Reconnect the power to the expansion enclosure. The expansion canisters restart and the system logs an
error in the event log alerting you to the unrecognized enclosure.
Important: Step
7 writes the
enclosure identity into the replacement midplane. The replacement
midplane cannot be used as a replacement part for a different enclosure
after step
7 is
completed.
- Go to in the management GUI. Find the error that relates to the enclosure ID of the replaced enclosure and run the fix
procedure for the error.