[IBM Storwize] Resize volume issue when volume is part of CG

[nikeshkm]

Resize failed when volume is part of CG

Resize failed with below error:
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server File "/usr/lib/python3.6/site-packages/cinder/volume/drivers/ibm/storwize_svc/storwize_svc_common.py", line 4190, in _extend_volume_op
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server raise exception.VolumeDriverException(message=msg)
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server cinder.exception.VolumeDriverException: Volume driver reported an error: Failed to extend a volume with remote copy 42a31f86-12bb-4a75-a2f2-5357fc58be85. Exception: Bad or unexpected response from the storage volume backend API: CLI Exception output:
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server command: ['svctask', 'stoprcrelationship', 'rcrel252']
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server stdout:
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server stderr: CMMVC5951E The operation cannot be performed because the relationship is not a stand-alone relationship.
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server ..
2022-02-07 08:27:30.752 3829181 ERROR oslo_messaging.rpc.server

[Mounika Sreeram (mounika-sreeram)]

As part of this defect, only Case 2 will be handled.
For Case 1, please open a new bug.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/openstack/cinder/+/830787

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/openstack/cinder/+/830787
Committed: https://opendev.org/openstack/cinder/commit/f8f9bfabf9824cd5f9cb12c5368116fcfe0dec83
Submitter: "Zuul (22348)"
Branch: master

commit f8f9bfabf9824cd5f9cb12c5368116fcfe0dec83
Author: sreerammounika <email address hidden>
Date: Mon Apr 11 13:04:57 2022 +0000

    [SVf] Resize of GMCV volumes in group

    [Spectrum Virtualize family] Currently, SVf does not support
    extend operation for GMCV volumes which are a part of a
    consistency group(CG). Added necessary code changes to
    storwize cinder driver to support this operation.

    Closes-Bug: #1960314
    Change-Id: I9e9dd4f81582ec0d60b64c281f47bd48e907d0ea

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 21.0.0.0rc1 release candidate.