[sheepdog] [PATCH] collie/farm: save vmstate objects during cluster-wide snapshot

[Kai Zhang]

On Jun 24, 2013, at 8:18 PM, Liu Yuan <namei.unix at gmail.com> wrote:

> On 06/24/2013 02:04 PM, Kai Zhang wrote:
>> Without this patch, qemu's 'loadvm' command will fail after
>> loading cluster-wide snapshot to a new cluster.
> 
> Seems that this patch isn't well tested.
> 
> #before the save
> yliu at yliu-K55VM:~/sheepdog$ md5sum store/0/obj/407c2b2500000000
> 2657263030ea9bd6f54b273ad377a1eb  store/0/obj/407c2b2500000000
> #after load
> yliu at yliu-K55VM:~/sheepdog$ md5sum store/0/obj/407c2b2500000000
> 1d42bb5c3a6b47c2fc45019228f94a17  store/0/obj/407c2b2500000000
> 
> And
> yliu at yliu-K55VM:~/sheepdog$ ../qemu/x86_64-softmmu/qemu-system-x86_64 --enable-kvm -m 1024 -hda sheepdog:test -loadvm 1
> qemu-system-x86_64: Error -22 while loading VM state
> 
> The loadvm failed.
> 

I failed to reproduce this error in my environment.
And the patch can work fine on my ubuntu server.
Could you find some hints from the sheep.log?

Thanks,
Kyle