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[libvirt] Re: [RFC] Live disk snapshot API



The 06/01/11, Jiri Denemark wrote:

> Disk snapshot API needs to be general and flexible enough to support various
> storage and snapshot methods. Examples of what can be used for creating disk
> snapshots are: QEMU qcow2 snapshots, LVM snapshots, filesystems with snapshot
> support (btrfs, zfs, ...), enterprise storage.
> 
> Moreover, method used to create disk snapshot does not have to be determined
> by disk type. One can have a qcow2 disk stored on btrfs inside lvm logical
> volume; snapshot of such disk can be done at any of the three levels.

What would be the value of this API over a snapshot of the filesystem
done from inside the domain?

-- 
Nicolas Sebrecht


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