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Re: [Xen-devel] Control tools work
| To: | Steven Hand <Steven.Hand@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Control tools work |
| From: | Christian Limpach <christian.limpach@xxxxxxxxx> |
| Date: | Wed, 1 Jun 2005 01:25:44 +0100 |
| Cc: | Charles Coffing <ccoffing@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 01 Jun 2005 00:25:02 +0000 |
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| Reply-to: | Christian.Limpach@xxxxxxxxxxxx |
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On 5/31/05, Steven Hand <Steven.Hand@xxxxxxxxxxxx> wrote:
> The basic save/restore stuff is now simplified (in particular has no
> dependencies on a callback mechanism out of the library). To do e.g.
> a non-live migrate you then effectively need to:
>
> * work out what the config of the domain is
> - do a save
> - use the config to create an 'empty' domain
> - restore into this, and
> * perform final configuration tweaks
There's actually still a callback during save, when we need to tell
the domain to suspend itself. This uses the control channel between
xend and the domain to send a control message to the domain. We could
maybe make xc_linux_save talk directly to the domain through xcs or we
could use xenstore for suspend requests...
christian
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