I tried rebooting the engine to see if that would magically solve the problem (worth a try, right?). But as I expected, it didn't help.
Now one of the hosts is in a "Non Responsive" state and the other is
permanently in a "Connecting" state. All VMs associated with those 2 hosts now
show a question mark on the oVirt dashboard.
The storage for these VMs is good, and these VMs are online. Everything is
"working" -- I just need to get these VMs moved onto hosts that oVirt is able
to manage.
If it helps for troubleshooting purposes, prior to rebooting the engine, the
following errors were showing up in the oVirt UI for both of these hosts:
VDSM cha1-storage.example.com command Get Host Capabilities failed: Internal
JSON-RPC error: {'reason': '[Errno 24] Too many open files'}
Any ideas? If I need to take some downtime for these VMs, so be it, but I need
to keep downtime at a minimum.
Sent with Proton Mail secure email.
------- Original Message -------
On Monday, September 19th, 2022 at 8:41 AM, David White via Users
<users@ovirt.org> wrote:
> Ok, now that I'm able to (re)deploy ovirt to new hosts, I now need to migrate
> VMs that are running on hosts that are currently in an "unassigned" state in
> the cluser.
>
> This is the result of having moved the oVirt engine OUT of a hyperconverged
> environment onto its own stand-alone system, while simultaneously upgrading
> oVirt from v4.4 to the latest v4.5.
>
> See the following email threads:
>
> -
> https://lists.ovirt.org/archives/list/users@ovirt.org/thread/TZAUCM3GB5ERSTZMIAJEUCNNXDHTS6VA/
> -
> https://lists.ovirt.org/archives/list/users@ovirt.org/thread/3IWXZ7VXM6CYYSVANT32SK6ESBRKO4VM/
>
>
> The oVirt engine knows about the VMs, and oVirt knows about the storage that
> those VMs are on. But the engine sees 2 of my hosts as "unassigned", and I've
> been unable to migrate the disks to new storage, nor live migrate a VM from
> an unassigned host, nor make a clone of an existing VM.
>
> Is there a way to recover from this scenario? I was thinking something along
> the lines of manually shutting down the VM on the unassigned host, and then
> somehow force the engine to bring the VM online again from a healthy host?
>
> Thanks,
> David
>
>
> Sent with Proton Mail secure email.
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