[sheepdog-users] About snapshots

[MORITA Kazutaka]

At Fri, 16 Aug 2013 17:03:54 +0800,
Liu Yuan wrote:
> 
> On Fri, Aug 16, 2013 at 10:48:17AM +0200, Ing. Luca Lazzeroni - Trend Servizi Srl wrote:
> > Hi,
> > I'm trying to use external snapshot feature of QEMU/libVirt with sheepdog baked vdi to take VDI live backups without using sheepdog snapshots.
> > This is to avoid the problem of disk-space unreleased on snapshot deletion.
> 
> Maybe you can simply use qemu-img sheepdog:image local_iamge to read the image
> out of cluster?
> 
> The release of unused objects from deleted snapshots will be supported in the
> up comming series of v0.7.x, I guess in about one month or two.

I don't think the object reclaim patches should go into stable-0.7.
The feature changes the underlying store layout and breaks backward
compatibility.

I'll resend the series after rebasing and adding a document.  Testing
and reviewing would be greatly appreciated.  Those are the missing
things to merge the feature.

Thanks,

Kazutaka