cinder/hpe-3par-fix-multi-detach-in-multi-host-env-3f2211f29a336b6e.yaml at 1101402b8fda7423b41b2f2e078f8f5a1d2bb4bd - cinder - OpenDev: Free Software Needs Free Tools

openstack/cinder

raghavendrat 3ed2f38e54 HPE 3PAR: In multi host env, fix multi-detach operation

In multi host environment, if volume is attached to instances present
on different hosts, detach operation works partially.
As a result, at later time the volume cannot be deleted.

Details are explained in launchpad bug.

This patch performs following:
During detach volume from instance, both possibilities are considered:
the instances can reside:
[1] either on same host.
[2] or on different hosts.

case [1]:
In such case, behaviour is same as earlier i.e vlun is not deleted
upon each detach operation i.e skip remainder of terminate volume
connection. The vluns are deleted only on last detach operation.

case [2]:
In such case, vlun of that host on 3par array is deleted separately
upon each detach operation.

Closes-Bug: #1958122
Change-Id: I47e8e86a495802a21570e23ecf7428fccc8b3d60

2022-05-03 07:28:52 -04:00

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 ---
 fixes:
   - |
     HPE 3PAR driver `Bug #1958122 <https://bugs.launchpad.net/cinder/+bug/1958122>`_:
     Fixed issue of multi-detach operation in multi host environment.