I'll be happy to try a patch, if you can deliver it in a convenient way for me to install.

The bug comments and synopsis are misleading so at first I didn't think this was it. The bug specifically says "Time is off by exactly 1 or 3 hours, depending on VM" and the synopsis says "time is off by as much as 3 hrs".

My time is currently 4 hours off (I think it was 5 before Daylight Savings Time).

The release note text states the issue correctly though, I think.

The only thing giving me any doubt is that all my non-Windows VMs are fine. The problem is isolated to Windows guests.

-Bob

On 02/06/2014 01:43 PM, Dan Kenigsberg wrote:
On Thu, Feb 06, 2014 at 12:46:38PM -0500, Bob wrote:
I have the same issue. I have assumed it was a Windows configuration
issue. I have relied on sync'ing to Internet Time upon each bootup.
It would be nice to find a solution to this. My Windows VM
consistently comes up exactly 5 hours off, and although NTP is
configured the time is never corrected until I manually sync to
Internet Time. It certainly appears to be using the wrong TZ (GMT).
I suppose you are seeing

     https://bugzilla.redhat.com/show_bug.cgi?id=956741 When RHEL VMs are
     powered off/on time is off by as much as 3 hrs when system comes
     back up

which http://gerrit.ovirt.org/14750 should fix. Which ovirt version are
you using? Would you agree to verify the patch once Martin backports it?

Dan.
-Bob

On 2/6/2014 11:39 AM, Markus Stockhausen wrote:
Hello,

all my searching/reading left me more confused. My current problem is
a Windows VM that has a wrong "timezone" - at least if I do not activate
internet time server sync.

Settings are:

- OVirt VM definition - First Run GMT+1 - thats ok
- hypervisor host: timezone CET (= GMT+1) - 18:00 - thats ok
- Windows VM: timezone CET ( = GMT+1) - 17:00 - thats wrong

I got a thread that suggested to look at vm_dynamic. There we have:

select a.vm_name,b.utc_diff from vm_static a, vm_dynamic b
engine-# where a.vm_guid=b.vm_guid;
      vm_name      | utc_diff
------------------+----------
  Win7x64_Master   |        0

But what should that tell me?

Although we work with timeservers inside the VMs we want to ensure
that even without them the VM time should match the hypervisor time.

Has anyone a simple and clear explanation how this should work.

Thanks in advance.

Markus




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