What Caused the Problem?
A drive enclosure with redundant drive loops (channels) has lost communication through one of its loops. The drive enclosure has only one loop available for I/O. The Recovery Guru Details area provides specific information you will need as you follow the recovery steps.
Loss of path redundancy can result from any of the following:
Caution
Electrostatic discharge can damage sensitive components. Use a grounding wrist strap or other anti-static precautions
before removing or handling components.
Important Notes
1
2
3
4
5
If
Then
The problem has been fixed
You are finished with this procedure.
The problem has not been fixed
Go to step 6.
6
7
If
Then
The problem has been fixed
You are finished with this procedure.
The problem has not been fixed
Recovery Steps
Fix any other problems reported by the Recovery Guru before attempting to fix this problem.
To locate the non-working channel, start with the drive mini-hub in the controller enclosure that corresponds to the
working channel (refer to the labels on the back of the controller enclosure if needed).
Trace the cable from the working channel to the environmental card in the affected drive enclosure reported in the details
area.
Caution
Do not disconnect any cables on the working channel. Doing so will cause data loss!
Locate the other environmental card in the affected drive enclosure and trace the cables back to the corresponding non-working
channel in the drive mini-hub in the controller enclosure. When tracing the cables, check the bypass lights on the environmental
cards. If there is a connection problem between two enclosures, an amber loop bypass light (In Bypass or Out Bypass)
is lit.
If
Then
There is a connection problem such as cable damage or a poor connection
Correct it and go to step 5.
There is not a connection problem
Go to step 6.
Select Recheck to rerun Recovery Guru to ensure that the problem has been fixed.
Check the green power light on each environmental card along the non-working channel. If it is off, reseat the
environment card by removing it from the drive enclosure and waiting 10 seconds. Re-insert the card firmly, then go
to step 7.
Select Recheck to rerun Recovery Guru to ensure that the problem has been fixed.
Contact your Customer Support Representative.