Gianluca Cecchi <[email protected]> writes:

> On Thu, Dec 17, 2020 at 5:30 PM Milan Zamazal <[email protected]> wrote:
>
>> Gianluca Cecchi <[email protected]> writes:
>>
>> > On Wed, Dec 16, 2020 at 8:59 PM Milan Zamazal <[email protected]>
>> wrote:
>> >
>> >>
>> >> If the checkbox is unchecked, the migration shouldn't be prevented.
>> >> I think the TSC frequency shouldn't be written to the VM domain XML in
>> >> such a case and then there should be no restrictions (and no guarantees)
>> >> on the frequency.
>> >>
>> >> Do you mean you can't migrate even with the checkbox unchecked?  If so,
>> >> what error message do you get in such a case?
>> >>
>> >
>> > Yes, exactly.
>> > I powered off the VM and then disabled the check and then powered on the
>> VM
>> > again, that is running on host ov301. ANd I have other two hosts: ov300
>> and
>> > ov200.
>> > From web admin gui if I select the VM and "migrate" button I cannot
>> select
>> > the destination host and inside the bix there is the words "No available
>> > host to migrate VMs to" and going to engine.log, as soon as I click the
>> > "migrate" button I see these new lines:
>>
>> I see, I can reproduce it.  It looks like a bug in Engine.  While the VM
>> is correctly started without TSC frequency set, the migration filter in
>> Engine apparently still applies.
>>
>> I'll add a note about it to the TSC migration bug.
>>
>> Regards,
>> Milan
>>
>>
> Ok, thanks.
> In the meantime do I have any sort of workaround to be able to migrate the
> VM? Eg I could set the VM as non High Performance, or any better other
> option?

Non high performance VMs should migrate fine, but changing the VM kind
requires restart.  Once a high performance VM is running, I don't know
about any good way to avoid the TSC constraint.

Regards,
Milan
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