[Users] Timezone Hypervisor/VM

Dan Kenigsberg danken at redhat.com
Thu Feb 6 18:43:44 UTC 2014


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
> >
> >
> >
> >
> >_______________________________________________
> >Users mailing list
> >Users at ovirt.org
> >http://lists.ovirt.org/mailman/listinfo/users
> 

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