Red Hat Bugzilla – Bug 467400
Device mapper multipath fails to update the device map status after failover/failback
Last modified: 2010-10-04 13:19:10 EDT
Description of problem:
On path failures due to cable pull, the I/Os are failed over to other available paths, but the maps status for all the failed paths are not updated in multipath -l output. based on the I/O load, the entries are updated for few devices but fails to update for all the devices.
The above test case was performed on SAS based array using mpt drivers.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Fail the paths by pulling out the cable.
2. I/O are failed over to available paths
3. multipath -l command output, paths are not updated.
Additional info: The path status for the device maps are not updated on the path failback also.
Are you still able to see this problem?
I was unable to reproduce this. If you are still having a problem, please reopen this bug.