Problem: Control enclosure not detected
If a control enclosure is not detected by the system, this procedure can help you
resolve the problem.
When installing a new control enclosure, use the Add Enclosures wizard in the
management GUI. To access this wizard, select Monitoring > System. On the
Systems page, select Actions > Add Enclosures.
If the control enclosure is not detected, check the following items:
v The enclosure is powered on.
v The enclosure is not part of another system.
v At least one node is in candidate state.
v The Fibre Channel cables are connected and zoning is set up according to the
zoning rules defined in the SAN configuration and zoning rules summary topic.
There must be a zone that includes all ports from all node canisters.
v The existing system and the nodes in the enclosure that are not detected have
version 6.3 or later installed.
Problem: Mirrored volume copies no longer identical
The management GUI provides options to either check copies that are identical or
to check that the copies are identical and to process any differences that are found.
To confirm that the two copies of a mirrored volume are still identical, choose the
volume view that works best for you. Select one of the volume copies in the
volume that you want to check. From the Actions menu, select the Validate
Volume Copies option.
You have the following choices:
v Validate that the volume copies are identical.
v Validate that the volume copies are identical, mark, and repair any differences
that are found.
If you want to resolve any differences, you have the following options:
v Consider that the primary volume copy is correct and make the other volume
copy match the primary volume copy if any differences are found. The primary
volume copy is the copy that is considered correct.
v Do not assume that either volume copy is correct. If a difference is found, the
sector is marked. A media error is returned if the volume is read by a host
application.
Problem: Command file not processed from USB flash drive
This information assists you in determining why the command file is not being
processed, when using a USB flash drive.
You might encounter this problem during initial setup or when running commands
if you are using your own USB flash drive rather than the USB flash drive that
was packaged with your order.
If you encounter this situation, verify the following items:
v That an satask_result.html file is in the root directory on the USB flash drive.
If the file does not exist, then the following problems are possible:
Chapter 5. Control enclosure 249
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