Is it possible to extend Cinder volumes while in use?
Issue
At present, volume extension seems only possible when its state is 'available'. Otherwise, the following message is seen:
{"badRequest": {"message": "Invalid volume: Volume status must be available to extend.", "code": 400}}
Environment
- Red Hat OpenStack Platform 5
- Red Hat OpenStack Platform 6
- Red Hat OpenStack Platform 7
- Red Hat OpenStack Platform 8
- Red Hat OpenStack Platform 9
- Red Hat OpenStack Platform 10
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