storwize: create_consistency_group fails if the volume has mirror copy

[Chhavi Agarwal]

Steps to create:
- Create a volume with mirror copy.
- Attach the volume to virtual machine.
- Live capture VM: internally it will try to create the consistency group and add volume.
It fails with the below error

2019-07-23 02:04:02.158 48722 ERROR cinder.volume.drivers.ibm.storwize_svc.storwize_svc_common [req-310ad4ef-61a6-488d-9d86-9510871d42ee 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9 1b5f23dd1e3844489b214325984c6ff0 - default default] Error has occurred: Unexpected error while running command.
Command: svcinfo lsmdiskgrp -bytes -delim ! "many"
Exit code: 1
Stdout: u''
Stderr: u'CMMVC5804E The action failed because an object that was specified in the command does not exist.\n': ProcessExecutionError: Unexpected error while running command.
2019-07-23 02:04:02.159 48722 ERROR cinder.volume.drivers.ibm.storwize_svc.storwize_svc_common [req-310ad4ef-61a6-488d-9d86-9510871d42ee 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9 1b5f23dd1e3844489b214325984c6ff0 - default default] Error running SSH command: svcinfo lsmdiskgrp -bytes -delim ! "many": ProcessExecutionError: Unexpected error while running command.

2019-07-23 02:04:02.388 48722 ERROR cinder.volume.drivers.ibm.storwize_svc.storwize_svc_common [req-310ad4ef-61a6-488d-9d86-9510871d42ee 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9 1b5f23dd1e3844489b214325984c6ff0 - default default] CLI Exception output:
 command: ['svctask', 'mkvdisk', '-name', '"snapshot-670e0e4d-b46a-41fa-b13a-9dd39e2a19ea"', '-mdiskgrp', '"many"', '-iogrp', u'0', '-size', '4294967296', '-unit', 'b', '-rsize', '2%', '-autoexpand', '-warning', '0%', '-grainsize', '256', '-easytier', 'on']
 stdout:
 stderr: CMMVC5754E The specified object does not exist, or the name supplied does not meet the naming rules.
.: ProcessExecutionError: Unexpected error while running command.
2019-07-23 02:04:02.388 48722 ERROR cinder.volume.drivers.ibm.storwize_svc.storwize_svc_common [req-310ad4ef-61a6-488d-9d86-9510871d42ee 0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9 1b5f23dd1e3844489b214325984c6ff0 - default default] Failed to create vdisk snapshot-670e0e4d-b46a-41fa-b13a-9dd39e2a19ea.: VolumeBackendAPIException: Bad or unexpected response from the storage volume backend API: CLI Exception output:
 command: ['svctask', 'mkvdisk', '-name', '"snapshot-670e0e4d-b46a-41fa-b13a-9dd39e2a19ea"', '-mdiskgrp', '"many"', '-iogrp', u'0', '-size', '4294967296', '-unit', 'b', '-rsize', '2%', '-autoexpand', '-warning', '0%', '-grainsize', '256', '-easytier', 'on']
 stdout:
 stderr: CMMVC5754E The specified object does not exist, or the name supplied does not meet the naming rules.
.

[Xuchu Jiang (xcnix)]

From the error log, seems mdiskgrp "many" is not exist.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/745719
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=5032a6db0cd713f34e2f9067568f05b738f405c8
Submitter: Zuul
Branch: master

commit 5032a6db0cd713f34e2f9067568f05b738f405c8
Author: katarimanojkumar <email address hidden>
Date: Fri Sep 25 19:20:32 2020 +0000

    [SVF]:Fixed create_flashcopy_to_consistgrp

    [Spectrum Virtualize Family] Fixed create_consistency_group
    failures if the volume has mirror copy and mdisk_grp_name=many.

    Fixed issues in create_flashcopy_to_consistgrp, made use
    of iogrp, qos from opts for create_vdisk, mkfcmap:target
    if the data exists.

    closes bug: #1890589
    closes bug: #1837524

    Change-Id: Ica730eb7b38159e3fbf51bd7ed588c0e13a0eb46

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 18.0.0.0b1 development milestone.