2011/4/6 Tracy Reed <treed at ultraviolet.org>: > On Sat, Apr 02, 2011 at 02:13:01PM -0700, John R Pierce spake thusly: >> ZFS isn't GPL, therefore can't be integrated into the kernel where a >> file system belongs, therefore is pretty much relegated to user space > > It can be patched in by the end user. So if someone were to distribute a patch > which could be dropped into a current SRPM by the end user and a change to the > SPEC file made to apply the patch during the rpm build the user would be all Look at: http://zfsonlinux.org/ Currently best way to get zfs with features (deduplication) is opensolaris (nexenta?) Anyway, btrfs supports also compression nowdays. -- Eero