[libvirt-users] The default location of vm snapshots

[Xing.x.Gao]

you could try: snapshot-create-as guest guestsnap --disk-only
Thanks.
--Xingxing Gao


2012/6/6 Eric Blake <eblake at redhat.com>:
> On 06/06/2012 07:05 AM, SimpleCloud wrote:
>> Thanks a lot for the details.
>>
>>
>> From http://wiki.libvirt.org/page/Snapshots, we have to pause the domain before taking snapshot and resume after.
>
> Actually, you don't have to do it yourself; libvirt takes care of doing
> it for you if that's what qemu requires, as part of the libvirt snapshot
> comand.
>
>> Is there any way to do "live" snapshotting for running domain or reduce pause time?
>
> You can do 'disk-only' snapshots instead of system checkpoints, which
> are much faster (less than 1 second, while system checkpoints can be
> seconds or even minutes long).  And I'm also hoping to add code that
> will support external system checkpoints by doing a live migration to
> file coupled with a disk snapshot, which will hopefully reduce guest
> downtime compared to the current mandatory guest downtime of the qemu
> 'savevm' monitor command, but it may require qemu to implement more
> features first.
>
> --
> Eric Blake   eblake at redhat.com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org
>
>
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