I confirm this as of https://bugs.launchpad.net/heat/+bug/1580582
If there is no computes in nova AZ, booting from volume will fail if AZ is not explicitly set - it will try to create volume in nova AZ.
I confirm this as of https:/ /bugs.launchpad .net/heat/ +bug/1580582
If there is no computes in nova AZ, booting from volume will fail if AZ is not explicitly set - it will try to create volume in nova AZ.