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From "Koushik Das (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-8826) XenServer - Use device id passed as part of attach volume API properly
Date Wed, 09 Sep 2015 05:34:45 GMT
Koushik Das created CLOUDSTACK-8826:
---------------------------------------

             Summary: XenServer - Use device id passed as part of attach volume API properly
                 Key: CLOUDSTACK-8826
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8826
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: XenServer
    Affects Versions: 4.6.0
            Reporter: Koushik Das
            Assignee: Koushik Das
             Fix For: 4.6.0


Random failures were seen in XS attach/detach volume test scenarios (many attach/detach were
performed on the same VM over a span of 24 hrs).

The failures happened as the device id for attaching volume wasn't available in HV. Some detached
volume didn't got cleaned up properly and so the device id wasn't released.

The fix would be clean up stale volumes before attaching new ones so the device slots are
released. Also using the device id should be best effort and if that particular id is not
available in XS, it should fallback on using an id that is available and automatically assigned.



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