In the zfs man page with nv 76, it warns us about use of -r and -f
options as they can make very big changes. The warning does NOT mention
-R.
-R destroys "dependents" rather than "children" (but then adds in some
other things); is that why the warning applies to -r but not to -R? The
description of what actually happens in the snapshot case appears to be
the same, though.
Text I get from man is this:
zfs destroy [-rRf] filesystem|volume|snapshot
Destroys the given dataset. By default, the command
unshares any file systems that are currently shared,
unmounts any file systems that are currently mounted,
and refuses to destroy a dataset that has active depen-
dents (children, snapshots, clones).
-r Recursively destroy all children. If a snapshot is
specified, destroy all snapshots with this name in
descendent file systems.
-R Recursively destroy all dependents, including
cloned file systems outside the target hierarchy.
If a snapshot is specified, destroy all snapshots
with this name in descendent file systems.
-f Force an unmount of any file systems using the
"unmount -f" command. This option has no effect on
non-file systems or unmounted file systems.
Extreme care should be taken when applying either the -r
or the -f options, as they can destroy large portions of
a pool and cause unexpected behavior for mounted file
systems in use.
--
David Dyer-Bennet, [EMAIL PROTECTED]; http://dd-b.net/
Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/
Photos: http://dd-b.net/photography/gallery/
Dragaera: http://dragaera.info
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