Yes. I mean that. In detail, 'non subvolume directory' may be more precise than 'arbitrary directory'. Thanks for your description. Regards, taruisi (2010/01/14 4:04), Andrey Kuzmin wrote: > Did I get you right in that btrfs does not support snapshots of an > arbitrary directory? > > Regards, > Andrey > > > > > On Tue, Jan 12, 2010 at 5:19 AM, TARUISI Hiroaki > <taruishi.hiroak@xxxxxxxxxxxxxx> wrote: >> In btrfs, snapshot is a clone of subvolume, not arbitrary >> directory. >> You specified '/root' directory and it is not subvolume, >> snapshot is created for parent subvolume, root of filesystem. >> >> Regards, >> taruisi >> >> (2010/01/12 11:12), Michael Niederle wrote: >>> I try to take a snapshot of a single directory, e.g. root: >>> >>>> btrfsctl -s root.2010-01-12 /root >>> operation complete >>> Btrfs v0.19-4-gab8fb4c-dirty >>> >>> Then I take look what's inside the newly created snapshot: >>> >>>> ls -l /root.2010-01-12/ >>> total 0 >>> drwxr-xr-x 1 root root 1192 2010-01-03 20:32:12 bin >>> drwxr-xr-x 1 root root 76 2009-06-25 0:40:35 boot >>> drwxr-xr-x 1 root root 1756 2010-01-12 2:33:07 cmds >>> drwxr-xr-x 1 root root 0 2010-01-06 12:21:46 data >>> drwxr-xr-x 1 root root 4356 2010-01-12 2:07:00 dev >>> drwxr-xr-x 1 root root 42 2010-01-04 12:29:45 downloads >>> drwxr-xr-x 1 root root 4528 2010-01-12 2:12:12 etc >>> drwxr-xr-x 1 root root 52 2010-01-11 12:57:47 home >>> drwxr-xr-x 1 root root 0 2007-11-10 4:44:07 initrd >>> drwxr-xr-x 1 root root 4490 2010-01-05 20:15:53 lib >>> drwxr-xr-x 1 root root 124 2008-04-27 14:53:39 mnt >>> drwxr-xr-x 1 root root 62 2008-01-08 0:21:58 net >>> drwxr-xr-x 1 root root 0 2008-04-09 3:19:16 objects >>> drwxr-xr-x 1 root root 316 2009-12-28 23:23:13 opt >>> dr-xr-xr-x 1 root root 0 2007-11-10 3:35:28 proc >>> drwxr-xr-x 1 root root 7676 2010-01-11 0:35:41 root >>> drwxr-xr-x 1 root root 0 2010-01-12 1:56:17 save >>> drwxr-xr-x 1 root root 0 2010-01-12 1:55:58 save2 >>> drwxr-xr-x 1 root root 3804 2010-01-06 2:36:08 sbin >>> drwxr-xr-x 1 root root 0 2007-11-10 3:35:28 sys >>> drwxr-xr-x 1 root root 358 2010-01-11 18:44:29 tmp >>> drwxr-xr-x 1 root root 176 2009-12-29 17:08:37 usr >>> drwxr-xr-x 1 root root 72 2010-01-05 20:03:00 var >>> >>> It seems that always a snapshot of the root is taken instead one of the >>> specified directory? Is this by design? >>> >>> Snapshotting the root works fine, but if you take several snapshots it's a bit >>> "recursive", because every new snapshot contains all previous snapshots. >>> >>> Greetings, Michael >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> -- taruisi -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
