Re: [zfs-discuss] simple question about snapshots

2012-07-12 Thread bofh
On Thu, Jul 12, 2012 at 7:32 PM, Bob Friesenhahn wrote: > On Thu, 12 Jul 2012, bofh wrote: >> When I do a snapshot, that file is part of the snapshot. But are >> changes within the file kept as well? > > Only the difference (at block level) between the snapshots is kept. If the > changed data was

Re: [zfs-discuss] simple question about snapshots

2012-07-12 Thread Bob Friesenhahn
On Thu, 12 Jul 2012, bofh wrote: When I do a snapshot, that file is part of the snapshot. But are changes within the file kept as well? Only the difference (at block level) between the snapshots is kept. If the changed data was changed 1000 times between the snapshots, then only the differe