On Wed, Feb 25, 2009 at 8:20 AM, Tomasz Chmielewski <mangoo@xxxxxxxx> wrote: > Is it possible to make snapshots when using raw devices (i.e. disk, > partition, LVM volume) as guest's disk image? > > According to documentation[1] (and some tests I made) it is only possible > with qcow2 images. Which makes it very inflexible: > > - one is forced to use a potentially slower file access > - one can't use the benefits of i.e. iSCSI disk access, SAN etc. what about using 'good' block devices, and add one small, mostly empty qcow2? could it be used to store the snapshot for all? of course it would degrade performance while it's active, but should revert after 'commiting' it to the 'real' block device(s) -- Javier -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
