svn commit: r228054 - head/cddl/contrib/opensolaris/cmd/zfs
Martin Matuska
mm at FreeBSD.org
Mon Nov 28 09:14:51 UTC 2011
Author: mm
Date: Mon Nov 28 09:14:51 2011
New Revision: 228054
URL: http://svn.freebsd.org/changeset/base/228054
Log:
Add missing warning to zfs(8) for using "zfs destroy" with -r and -R flags.
Obtained from: illumos
MFC after: 6 days
Modified:
head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
Modified: head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zfs/zfs.8 Mon Nov 28 08:16:00 2011 (r228053)
+++ head/cddl/contrib/opensolaris/cmd/zfs/zfs.8 Mon Nov 28 09:14:51 2011 (r228054)
@@ -1423,6 +1423,13 @@ Force an unmount of any file systems usi
command. This option has no effect on non-file systems or unmounted file
systems.
.El
+.Pp
+Extreme care should be taken when applying either the
+.Fl r
+or the
+.Fl R
+options, as they can destroy large portions of a pool and cause unexpected
+behavior for mounted file systems in use.
.It Xo
.Nm
.Cm destroy
@@ -1450,6 +1457,13 @@ Recursively destroy all dependents.
.It Fl d
Defer snapshot deletion.
.El
+.Pp
+Extreme care should be taken when applying either the
+.Fl r
+or the
+.Fl R
+options, as they can destroy large portions of a pool and cause unexpected
+behavior for mounted file systems in use.
.It Xo
.Nm
.Cm snapshot
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