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Re: [Xen-users] Problema keeping Time in HVM Guest

  • To: Angel Motta <angelmotta@xxxxxxxxx>
  • From: Nerijus Narmontas <n.narmontas@xxxxxxxxx>
  • Date: Thu, 11 Mar 2010 11:09:20 +0200
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 11 Mar 2010 01:10:38 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>


Try setting localtime=1 in VM config file and reboot. It then should
use dom0 server's time.

Nerijus Narmontas

On Thu, Mar 11, 2010 at 8:21 AM, Angel Motta <angelmotta@xxxxxxxxx> wrote:
> Hi List
> This is my first time that I write to the list. I have a serious problem
> with the time in one HVM Guest, because this VM has the time ahead 20min
> compared with the host Xen.
> I have tried to configure ntp client in the host Xen and in the HVM Guest
> but the problem continuos, the hvm never get sync with the ntp server. Then
> i configured the time with the ntpdate command in the crontab every minute
> and disable acpi=0 and reboot, but the time adjust 3 or sometimes 7seconds
> on the HVM Guest and this is critical because this Guest is db pgsql.
> I wan to know what is the procedure for this case??. I read the option of:
> echo 1 > /proc/sys/xen/independent_wallclock but this is only for the
> paravirtualized guest because i my guest hvm I dont have this file and i
> can't apply this method.
> Host Xen:
> Centos 5.3
> xen-3.0.3-80.el5_3.3
> HVM Guest
> Centos 5.3
> I have one windows 2003 in this Host Xen and this guest have the time ok
> using ntpclient.
> --
> Atte
> Angel Motta Paz
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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