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Re: [Xen-devel] [PATCH] Fix xm save timeout with paused domains

  • To: John Levon <levon@xxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Tue, 08 May 2007 17:38:50 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 08 May 2007 09:37:29 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AceRj1s2mc7Blv2CEduQdAAX8io7RQ==
  • Thread-topic: [Xen-devel] [PATCH] Fix xm save timeout with paused domains

On 8/5/07 17:37, "John Levon" <levon@xxxxxxxxxxxxxxxxx> wrote:

>> Hmm.. Perhaps 'xm restore/migrate' shouldn't return until the new domain is
>> actually running.
> This wouldn't protect against requests via the Xen API.

Yeah, this probably isn't the right place to do this.

>> Or (probably easier) xend should hold save requests pending until the
>> domain concerned is unpaused?
> If you'd prefer it there, that's probably possible too.

I think xend is the obvious place to implement this type of synchronisation.
The only question is how hard it will be to add in. I can certainly
understand the temptation to hack things into libxc.

 -- Keir

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