We currently limit backups to the same AZ of the volume while allowing volume restoration to any AZ. When having multiple AZs it is ideal to store your backups in a different AZ than the one where the source volumes are stored.
verified according to test plan RPM package list: python-cinder-13.0.1-0.20181013185427.31ff628.el7ost.noarch python2-cinderclient-4.0.1-0.20180809133302.460229c.el7ost.noarch puppet-cinder-13.3.1-0.20181013114719.25b1ba3.el7ost.noarch openstack-cinder-13.0.1-0.20181013185427.31ff628.el7ost.noarch
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2019:0045