On Tuesday 27 May 2014 11:32:22 Rich Freeman wrote: > On Tue, May 27, 2014 at 11:21 AM, J. Roeleveld <jo...@antarean.org> wrote: > > Does anyone know how these will handle (and perform) with a possible 300+ > > snapshots per filesystem (or volume, as I think it's called)? > > I can't speak for zfs. I had upwards of 1000 snapshots on my system > before I stopped creating them hourly and and just started having > issues with it.
Ok, it can handle my backup schedule then. :) > I wouldn't really say it is ready for prime time, but it is workable. > Of course, you'll still want backups - a million snapshots does you no > good if some bug wipes out your filesystem. For one of my ENOSPC > incidents I ended up just wiping the entire filesystem and restoring > from backup, though if I kept at it I'd probably have been able to fix > it. Agreed, this is why the backup system would be adjusted for BTRFS on the fileserver, when I get round to it. I would probably keep snapshots active for the past 2 weeks. > Oh, one other tip if you use btrfs - be sure you have a rescue disk > that supports it. Hint, the old Gentoo install CD I had lying around > didn't. You'll probably want to keep a rescue CD with a recent kernel > and btrfs-tools handy at all times. Always important. I just saw the other email which states that the latest sysresccd supports it. That is fine for me. -- Joost
