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. 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. 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. Rich