Hello,
you are right. Only Windows VMs show that behaviour. But for Linux the
problem is even more strange: Have a look at my database for a specific
Linux VM:
engine=# select a.vm_name,b.utc_diff from vm_static a, vm_dynamic b where
a.vm_guid=b.vm_guid;
vm_name | utc_diff
------------------+----------
colvm53 | -271973
Logging into the VM it shows the correct time but the hardware clock is far
away according to utc_diff:
colvm53:~ # hwclock
Tue Feb 4 12:49:21 2014 -0.173138 seconds
colvm53:~ # date
Fri Feb 7 16:20:42 CET 2014
Maybe because it reads the KVM/QEMU timing values another way than Windows.
Markus
________________________________
Von: Bob Doolittle [[email protected]]
Gesendet: Freitag, 7. Februar 2014 16:18
An: Markus Stockhausen
Cc: [email protected]; users; Martin Polednik; Dan Kenigsberg
Betreff: Re: AW: [Users] Timezone Hypervisor/VM
Marcus,
Are all your VMs Windows? Because I have a mix and only Windows VMs are
affected. Seems like changing utc_diff should only be done for Windows VMs
(Linux happy to work with a hardware clock of GMT).
-Bob
On Feb 7, 2014 9:54 AM, "Markus Stockhausen"
<[email protected]<mailto:[email protected]>> wrote:
> Von: Markus Stockhausen
> Gesendet: Freitag, 7. Februar 2014 14:46
> An: Dan Kenigsberg; [email protected]<mailto:[email protected]>
> Cc: Bob; Martin Polednik; ovirt-users
> Betreff: AW: [Users] Timezone Hypervisor/VM
>
> >
> > A detailed BZ report is worth its weight in gold ;-)
> >
> > Dan.
>
> Opened BZ 1062615 for that.
>
> Markus
Hi Dan,
just saw the bug update with target 3.4.1. Could you
reproduce the bug and do you have some advice how to
handle that setting until then? And what should I expect
when daylight saving takes place in march?
>From my understanding I would:
- pin all VMs to utc_diff=3600 (GMT+1) now
- pin all VMs to utc_diff=7200 (GMT+2) after change of summertime
Markus
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