[linux-lvm] Snapshots

Mike Snitzer snitzer at redhat.com
Fri Feb 17 15:20:11 UTC 2012


On Thu, Feb 16 2012 at  9:05am -0500,
Marco Pizzoli <marco.pizzoli at gmail.com> wrote:

> 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?

http://sourceware.org/git/?p=lvm2.git




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