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From Abhinandan Prateek <Abhinandan.Prat...@citrix.com>
Subject Re: Wrong timing when a Windows VM boots-up
Date Mon, 30 Jun 2014 05:29:40 GMT
The issue fixed here CLOUDSTACK-3443 is about persisting time across
restarts.
>From your description it appears that the time that is saved is
consistently moving behind by 8-hours.
After stopping a affected VM from cloudstack you can look at the time
offset value in user_vm_details
That will give you insight into what is happening.

-abhi
 

On 30/06/14 10:37 am, "Indra Pramana" <indra@sg.or.id> wrote:

>Dear all,
>
>We are using CloudStack 4.2.0 and KVM hypervisor. We are based in
>Singapore, GMT +0800.
>
>Recently we had some issues whenever a Windows-based guest VM under
>CloudStack is being restarted, the time will move behind by 8 hours. For
>example, if a VM was rebooted at 8am Singapore time, after reboot the
>clock
>will show 12am Singapore time, which is the GMT equivalent. However, the
>time zone is correctly stated as Singapore time, causing the whole system
>clock to be 8 hour behind upon reboot and will stay that way until we
>manually modify the time or synchronise with the Windows Internet time
>server.
>
>This issue may be related but it's for XenServer though. I am using KVM:
>
>https://issues.apache.org/jira/browse/CLOUDSTACK-3443
>
>Anyone knows how to fix the problem? The issue seems to be only affecting
>Windows guests (both Windows servers 2008 and 2012) and do not affect Unix
>guests.
>
>Looking forward to your reply, thank you.
>
>Cheers.


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