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Re: [Xen-devel] Domain save/migrate issue
| To: | Noam Taich <noam.taich@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Domain save/migrate issue |
| From: | Jacob Gorm Hansen <jacobg@xxxxxxx> |
| Date: | Wed, 15 Feb 2006 12:28:28 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 15 Feb 2006 11:40:43 +0000 |
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On 2/14/06, Noam Taich <noam.taich@xxxxxxxxxxxx> wrote: > This would allow the aforementioned domain save option to be LIVE also, and > without wasting too much space, > > Which would enable live local checkpointing. hi, with my self-migration patch, I already have this functionality. In the domain, I open a block device with O_DIRECT, and then a user-space process take care of the live checkpointing to disk. A small bootloader is prepended to the checkpoint, so that is can revive itself. You can see the source of such a user-space process here: http://www.distlab.dk/hg/index.cgi/xen-gfx.hg?cmd=file;filenode=bed84d57fa6fe224eede24cd5ace69df4234a8b1;file=tools/migrate/minimig.c Jacob _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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