[osuosl-openpower] Instance migration issues

[Lance Albertson]

All,

I need to reboot some VM instances today due to an issue we discovered
while doing live migrations last week. Some instances ended up on a
hypervisor node that is only configured for local (NVMe) storage.
Unfortunately, we can't live migrate these instances off the hypervisors
and will need to do some manual database changes to get them to the correct
nodes. In addition, it appears that if you reboot the instances, the VM
might not come back online due to this configuration issue.

I will need to stop these instances, make the change in the database and
then start the instances on the new hypervisor.

Thankfully, it appears there is no storage loss as long as we get these
instances back on a ceph-enabled hypervisor.

I'm working through the instances right now and will send an update once
I've completed the migration.

-- 
Lance Albertson
Director
Oregon State University | Open Source Lab
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