Comment 7 for bug 1939389

Revision history for this message
Nobuto Murata (nobuto) wrote : Re: Missing [nova] section in cinder.conf

https://docs.openstack.org/cinder/latest/cli/cli-manage-volumes.html#extend-attached-volume
`--os-volume-api-version 3.42` or later was the key to allow resize for the record.