[Bug 1677982] Re: Request for including an upstream fix for emc vnx volume driver (Newton)

[Brian Murray]

Given that bug 1688557 is about a point release update of packages in
OpenStack Newton and that James Page indicates that the fix for this bug
is included in cinder 9.1.4, were this bug not explicitly referenced in
the changelog this fix would have been released given the testing in bug
1688557.

Subsequently, even though the verification for this specific bug was not
completed, the release and package version tested do not match the
release task here, I am going to go ahead and release cinder to
-updates.

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https://bugs.launchpad.net/bugs/1677982

Title:
  Request for including an upstream fix for emc vnx volume driver
  (Newton)

Status in cinder package in Ubuntu:
  Fix Released
Status in cinder source package in Yakkety:
  Fix Released
Status in cinder source package in Zesty:
  Fix Released

Bug description:
  Issue:

  Detaching a volume from a nova instance sometimes not removing it from VNX storage group. It is caused by out-of-date cache for in VNX volume driver. Cache needs to be updated with correct info after creating a storage group.
  This fix was applied to Ocata and back ported to Newton upstream:
  https://review.openstack.org/#/c/429439/
  This ticket is a request for merge the upstream fix above to Ubuntu 16.10 (Newton package).

  How to Reproduce:
  1.Detach a volume from nova instance
  2.Use nova and cinder command to confirm the volume is detached.
  3.Use NaviSecCli to confirm the LUN is removed from the corresponding storage group.

  Actual results:
  The LUN is still in the Storage Group after detaching.

  Expected results:
  The LUN is removed from the Storage Group after detaching.

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