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Re: [Xen-users] Backup a DomU

  • To: "'Niels Dettenbach'" <nd@xxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxx>
  • From: "Stefan Becker" <stefan.becker@xxxxxxxxxxxxxxx>
  • Date: Thu, 12 Apr 2012 11:43:13 +0200
  • Delivery-date: Thu, 12 Apr 2012 09:44:34 +0000
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I copy the disk, swap and cfg files.... What do you mean with full system?

Ok but I ask me, why the author of the book writes this solutuion?

Best regards


-----Ursprüngliche Nachricht-----
Von: xen-users-bounces@xxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxx] Im Auftrag von Niels Dettenbach
Gesendet: Donnerstag, 12. April 2012 11:30
An: xen-users@xxxxxxxxxxxxx
Betreff: Re: [Xen-users] Backup a DomU

Am Donnerstag, 12. April 2012, 11:10:36 schrieb Stefan Becker:
> I started the VM on the same Dom0 with xm create -c backup. The VM 
> started correctly and changed the IP Settings. Now I got this error:
SysRq : HELP :
> loglevel(0-9) reBoot Crash terminate-all-tasks(E) ...

If i understand right you just "backup" the disk images - not the full
This will result in a defect copy of your DomU.

Not shure where you get the SysRQ error, but if i read right this is the
result of your sysrq command before pausing the domu.

The correct way would be to shutdown the DomU smoothly before copying it if
you have no other option.

Or did i miss something here?

best regards,


 Niels Dettenbach
 Syndicat IT & Internet

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