On Fri, 10 Apr 2009 13:18:05 -0500, Harry Putnam <rea...@newsguy.com> wrote:
>I'm sorry if this either obvious or has beaten to death... > >I'm looking for ways to backup data on a linux server that has been >using rsync with the script `rsnapshot'. Some of you may know how >that works... I won't explain it here other than to say only changed >data gets rsynced to the backup data. > >I'm wondering if I could do something similar by making that data >directory hierarchy available on a osol.ll build 110 zfs server as an >NFS mount. > >That is, can I nfs mount a remote filesystem on a zpool Yes >and use zfs snapshot functionality to create snapshots of that data? No. >I'm not at all familiar with using zfs in general but was thinking >something like: > > Make a directory hierarchy on a remote linux machine availabe for > nfs mount. > > Mount the nfs share on osol server, inside a zpool. Do whatever is > the correct way on zfs to create a snapshot of that mounted data > and write it onto another directory also inside the zpool. > > A week later mount the same nfs share from remote linux machine and > create a second snapshot written to the same other directory. > > Will that procedure produce a snapshot of first the full base data, > and second time around only the changed data in comparison to the > first snapshot? > > So proceeding in that manner, I'd have a series of snapshots were I > could trace any differences in files? Won't work. The filesystem you mount is not a zfs filesystem. The mountpoint can be in a zfs in a zpool, but that doesn't make it a zfs. -- ( Kees Nuyt ) c[_] _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
