Comment 34 for bug 1774249

Hello Robie,

I have tested the proposed package using the test case.

We need to keep in mind that this patch does not allow the exception
to be raised, but we still the error as a WARNING.

I am adding the packages used for testing together with the logs.

ubuntu@test:~/home$ juju run -a nova-compute -- "apt list nova*" | grep installed
nova-api-metadata/bionic-proposed,now 2:17.0.13-0ubuntu4 all [installed]
nova-common/bionic-proposed,now 2:17.0.13-0ubuntu4 all [installed,automatic]
nova-compute/bionic-proposed,now 2:17.0.13-0ubuntu4 all [installed]
nova-compute-kvm/bionic-proposed,now 2:17.0.13-0ubuntu4 all [installed]
nova-compute-libvirt/bionic-proposed,now 2:17.0.13-0ubuntu4 all [installed,automatic]

ubuntu@test:~/home$ juju run -a nova-compute -- grep "DiskNotFound" /var/log/nova/nova-compute.log
2021-10-19 09:22:11.422 19060 WARNING nova.virt.libvirt.driver [req-60b887da-6da1-4463-b754-6d389d7f5df3 - - - - -] Periodic task is updating the host stats, it is trying to get disk info for instance-00000001, but the backing disk storage was removed by a concurrent operation such as resize. Error: No disk at /var/lib/nova/instances/5f5d2c95-afb0-4e8c-9fd1-fc3f29d3a5f8/disk: DiskNotFound: No disk at /var/lib/nova/instances/5f5d2c95-afb0-4e8c-9fd1-fc3f29d3a5f8/disk