El 04/08/16 a las 07:18, Arik Hadas escribió:
----- Original Message -----

We're running oVirt 4.0.1 and today I found out that one of our hosts
has all its VMs in an unknown state. I actually don't know how (and
when) did this happen, but I'd like to restore service possibly without
turning off these machines. The host is up, the VMs are up, 'qemu'
process exists, no errors, it's just the VMs running on it that have a
'?' where status is defined.

Is it safe in this case to simply modify database and set those VM's
status to 'up'? I remember having to do this a time ago when we faced
storage issues, it didn't break anything back then. If not, is there a
"safe" way to migrate those VMs to a different host and restart the host
that marked them as unknown?
Hi Nicolás,

I assume that the host these VMs are running on is empty in the webadmin,
right? if that is the case then you've probably hit [1]. Changing their
status to up is not the way to go since these VMs will not be monitored.

Hi Arik,

By "empty" you mean the webadmin reports the host being running 0 VMs? If so, that's not the case, actually the VM count seems to be correct in relation to "qemu-*" processes (about 32 VMs), I can even see the machines in the "Virtual machines" tab of the host, it's just they are all marked with the '?' mark.


Yes, there is no other way to resolve it other than changing the DB but
the change should be to update run_on_vds field of these VMs to the host
you know they are running on. Their status will then be updates in 15 sec.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1354494




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