Yea i know btrfs has snapshot abilities but my entire server is ext4. I could format a extra drive with btrfs. Would that allow me to use btrfs for containers? Are there any other ideas or processes i can try out?
On Thu, Jan 6, 2011 at 12:50 PM, C Anthony Risinger <anth...@extof.me>wrote: > On Thu, Jan 6, 2011 at 12:02 PM, Noah Campbell <noahcampb...@gmail.com> > wrote: > > > > With my limited knowledge of lxc, I would recommend looking at a > filesystem that supports snapshots. > > yes, in the past i've used btrfs for this (.32 kernel). some will say > that it's not suitable for use (and in some situations it may not be), > but imo, it's stable enough for my uses; i've had a server running > since .32 was released (2 yrs?) hosting several btrfs-based containers > without any issue... and btrfs was only considered "ready for early > adopters" at that point. > > using a couple of template subvolumes, i was able to snapshot them > into usable domains in < 1 second, and create backups just as fast, > while at the same time reusing blocks and saving enormous amounts of > disk space. > > works like a treat :-) i plan on using it extensively very soon for an > updated KVM+LXC server using libvirt. > > C Anthony > > ps....depending on how... bold... you are, there are LZO compression > patches queued for .38: > > http://www.spinics.net/lists/linux-btrfs/msg07748.html > > and some dedup work is basic but workable: > > http://www.spinics.net/lists/linux-btrfs/msg07819.html > http://www.spinics.net/lists/linux-btrfs/msg07820.html > > both will be very useful for containerized environments. > -- God Bless
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