Comment 12 for bug 1904062

Hi,

can someone provide an update on this bug?

Because we hit this in real life deployments:

1. volume has a specific os controller node as `os-vol-host-attr:host`
2. that os controller node gets maintenance
3. vm instance with attached volume gets deleted
3. nova throws: openstack.nova nova-compute c84d9828-1277-457a-828d-db7dc3c03216 [instance: d5832d72-0b70-422e-ba94-12b24f1a75e1] Ignoring unknown cinder exception for volume 615d4759-bed3-4a84-91a8-8fce612bfb2a: Gateway Time-out (HTTP 504): cinderclient.exceptions.ClientException: Gateway Time-out (HTTP 504)

the volume than still exists and still claims to be attached to a nonexistant vm.

we can of course clean this up manually.

afaiu there needs to be added some active/active cinder deployment with a coordinator service like pacemaker or etcd to kolla-ansible?

would it be possible to mimic somehow what tripleo does? as far as I understand they have implemented active active cinder deployment with etcd coordinator?