Check '/var/log/messages' and 'journalctl' for the affected host. Try to
identify if you got a Network issue.Next check gluster logs on the affected host (both
bricks and fuse client).
Of course, you should also check the engine's logs.
This sounds like your gluster problem "escalated" and cause the outage for the
Usually, when I have issues with a host - I just put it down to maintenance with the
checkmark to stop Gluster services. Once it completes , activate.
Best Regards,Strahil Nikolov
On Mon, Apr 26, 2021 at 23:51, David White via Users<users(a)ovirt.org> wrote: As
the subject suggestions, something in oVirt HCI broke. I have no idea what, and it
recovered on its own after about 20 minutes or so.
I believe that the issue was limited to a single host (although I don't know that for
sure), as we had two VMs go completely unresponsive, but a 3rd VM remained operational.
For a while during the outage, I was able to log into the oVirt admin web portal, and I
noticed at least 1-2 of my hosts (I have 3 hosts) showed the problematic VMs as being
problematic inside of oVirt.
Reviewing the oVirt Events, I see that this basically started right when the ETL Service
Started. There were no events before that point since yesterday, but right when the ETL
Service started, it seems like all hell broke loose.
oVirt detected "No faulty multipaths" on any of the hosts, but then very quickly
started indicating that hosts, vms, and storage targets were unavailable. See my
Around 30 - 35 minutes later, it appears that the Hosted Engine terminated due to a
storage issue, and auto recovered on a different host. There's a 2nd screenshot
beneath the first.
Everything came back up shortly before 9am, and has been stable since.
In fact, the Volume replication issues that I saw in my environment after I performed
maintenance on 1 of my hosts on Friday are no longer present. It appears that the Hosted
Engine sees the storage as being perfectly healthy.
How do I even begin to figure out what happened, and try to prevent it from happening
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