On Thu, Jul 28, 2011 at 12:35 AM, srimugunthan dhandapani <srimugunthan.dhandapani@xxxxxxxxx> wrote: > I thought that ext3/4 and btrfs are the only recommended underlying > filesystem for ceph. I didnt know we can use xfs. > With Glusterfs, theoretically, we can use any filesystem with extended > attributes support as backend filesystem. Is that the same case with > ceph too? > Though it may not be optimal, theoretically can i use a "filesystem X" > with extended attributes support for ceph? > thanks, > Mugunthan These days you can use any filesystem with xattr support as the backing store for Ceph, yes. btrfs is our primary target for a few reasons (unlimited xattrs, built-in snapshots make snapshots and consistency easier, etc) but you can stick whatever you like back there and Ceph will handle it with writeahead journaling, manual copying for snapshots, etc etc. :) -Greg -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html