HP Storage Essentials V5.1 User Guide Second Edition (Linux Release) (T4283-96056, November 2006)

Troubleshooting692
Cannot Access a Resource Owned by Another Controller
You received the message about not being able to access a resource owned by another controller
because you tried to access a controller that has not been discovered. You should discover all
controllers on the Engenio storage system.
For example, assume you discovered only one of the controllers on an Engenio storage system with
two controllers. If you want to change a volume, such as add or delete a LUN, you will not be able
to make the change to the volume associated with the controller that has not been discovered.
See ”Discovering NAS Devices, Tape Libraries, Switches and Storage Systems” on page 17 for
more information on how to discover a controller.
Error -56
If you see error -56, the switch has network connection failures/problems. To solve the problem,
make sure the switch is physically connected to the network. Then, redo the task you were originally
trying to complete.
If you now see -21(OBJECT_NOT_FOUND) errors, the switch needs to be rediscovered.
“Can't delete this zone” Message
If you are shown the following message when you try to delete a zone, move the zone to an inactive
zone set. Then, delete the zone.
Can't delete this zone, it is member of an Active Zoneset
Changes in EFC Manager Requiring Discovery Data Collection/Get Details
If you use EFC Manager to delete zones or zone sets, perform Discovery Data Collection/Get
Details on the management server afterwards. The changes are not reflected by the management
server until Discovery Data Collection/Get Details is done.
Troubleshooting Hardware
This section describes the following:
• ”About Swapping Host Bus Adapters” on page 692
• ”“Fork Function Failed” Message on AIX Hosts” on page 692
• ”Known Driver Issues” on page 692
• ”Known Device Issues” on page 692
• ”“mailbox command 17 failure status FFF7” Message” on page 696
• ””Process Has an Exclusive Lock” Message” on page 696
About Swapping Host Bus Adapters
Swapping brands of host bus adapters (HBA) on a Microsoft Windows 2000 host may have
undesirable side effects. For example, after swapping out one brand of an HBA for another
(including driver installation), WinMgmt.exe might crash repeatedly and appear to be associated
with an error in the Windows Event Log about being unable to retrieve data from the PerfLib
subkey in the Registry. To solve this problem, reinstall the operating system.