On Fri, Jan 25, 2013 at 09:34:28AM +0000, Dietmar Maurer wrote: > > > Note: The proposed backup patches (already sent to the list) make > > > backups without creating internal/external snapshot. Consistency is > > guaranteed by using COW. > > > > > I guess this can be implemented, or may already exist in 3rd party > > components, such as LVM2. > > We used LVM to provide snapshots for backups for more than 4 years now. > (in production at many customer sites). > > It is a constant PITA. If interested, you can grab our support forum about > problems > with LVM snapshots (http://forum.proxmox.com). > > The new backup approach is much better an avoids most of the problems we had. > (the backup patches contains a list of advantages).
Hi Dietmar, If you've been using it for 4 years then it was without dm-thin, which is a new snapshot mechanism that solves limitations of classic LVM snapshot volumes. So if you're referring to inefficient LVM snapshots then that should be solvable now. Or is LVM a pain for other reasons? Stefan