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Re: [Xen-devel] xm save (but don't destroy)


  • To: Killian De Volder <killian.de.volder@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxx>
  • Date: Tue, 12 Oct 2010 07:42:31 +0100
  • Cc:
  • Delivery-date: Mon, 11 Oct 2010 23:43:29 -0700
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  • Thread-topic: [Xen-devel] xm save (but don't destroy)

On 12/10/2010 07:32, "Killian De Volder" <killian.de.volder@xxxxxxxxxx>
wrote:

>   Hello all,
> 
> I'm sure this has been asked before but I couldn't find a reference:
> I desire to pauze/save the state of dom, backup/snapshot the disk and then
> unpauze the domain.
> 
> This can be done with xm save, but this destroy the machine, effectively
> doubling the required time to snapshot the machine.
> (As you first have to save it to disk .... and then load it again ... With
> machine with a couple gigabyes of RAM this can start to take a while.)
> 
> I did see xend/XendCheckpoint.py has some code in it that decides if it will
> destroy or resume the machine ... This makes me thing that adding the option
> "leave pauzed" isn't to hard ?

xm save -c

 -- Keir

> Greeting and thanks in advance,
> Killian
> 
> 
> 
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> http://lists.xensource.com/xen-devel



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