Bug 467400 - Device mapper multipath fails to update the device map status after failover/failback
Summary: Device mapper multipath fails to update the device map status after failover/...
Keywords:
Status: CLOSED INSUFFICIENT_DATA
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: device-mapper-multipath
Version: 4.6
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Ben Marzinski
QA Contact: Cluster QE
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2008-10-17 10:34 UTC by vijay
Modified: 2010-10-04 17:19 UTC (History)
15 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2010-10-04 17:19:10 UTC
Target Upstream Version:
Embargoed:


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Description vijay 2008-10-17 10:34:58 UTC
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):


How reproducible:
Always

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.
  
Actual results:


Expected results:


Additional info: The path status for the device maps are not updated on the path failback also.

Comment 2 Ben Marzinski 2010-05-25 23:28:49 UTC
Are you still able to see this problem?

Comment 3 Ben Marzinski 2010-10-04 17:19:10 UTC
I was unable to reproduce this.  If you are still having a problem, please reopen this bug.


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