From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from localhost (dhcp-185-13.bos.redhat.com [10.16.185.13]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q1HFKBim016526 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Fri, 17 Feb 2012 10:20:11 -0500 Date: Fri, 17 Feb 2012 10:20:11 -0500 From: Mike Snitzer Message-ID: <20120217152010.GB3172@redhat.com> References: <4F3D03AE.2050502@mohawksoft.com> <20120216135702.GA6212@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Subject: Re: [linux-lvm] Snapshots Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: LVM general discussion and development On Thu, Feb 16 2012 at 9:05am -0500, Marco Pizzoli wrote: > Hi Mike > > On Thu, Feb 16, 2012 at 2:57 PM, Mike Snitzer wrote: > > > On Thu, Feb 16 2012 at 8:25am -0500, > > Mark Woodward 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