[linux-lvm] Snapshots

Marco Pizzoli marco.pizzoli at gmail.com
Thu Feb 16 14:05:48 UTC 2012


Hi Mike

On Thu, Feb 16, 2012 at 2:57 PM, Mike Snitzer <snitzer at redhat.com> wrote:

> On Thu, Feb 16 2012 at  8:25am -0500,
> Mark Woodward <markw at mohawksoft.com> wrote:
>
> > I have been looking into LVM2 for a while now and while I think it
> > is useful for a range of applications, its seems pretty limited in
> > overall scope.
> >
> > Is there any active development happening? Most of the code seems
> > like bug-fixes or minor tweaks. Is the snapshot system being
> > improved? Specifically, snapshots of snapshots? thin provisioned
> > snapshots or auto-expand (i.e. snapshots don't run out of space).
> > If you look at technologies like ZFS snapshots are far better
> > supported, but ZFS will probably never be real under Linux, and it
> > really is far more than is really needed.
> >
> > So, I guess my questions are these: Is LVM in maintenance mode or is
> > there active development? If it is being actively developed, is
> > there a road map and is there a group or site specifically dedicated
> > to the development?
>
> Um, where are you even getting this idea that LVM2 is in maintenance
> mode?  Or that snapshots haven't improved?
>
> Sorry to come off defensive but your entire post is founded on incorrect
> understanding.
>
> Anyway, if you look at the change history of the lvm2 repository (be it
> cvs or git, cvs commits are mirrored to git) you'll see there have been
> regular changes flowing in and most recently a very extensive evolution
> of the code to add support for thin provisioning with highly efficient
> snapshots (ala btrfs or ZFS).
>
> try: git clone git://sources.redhat.com/git/lvm2
>

Please, could you tell me if is there a gitweb interface somewhere?

Thanks
Marco
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