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79bfba2fa8
Use proper names (i.e. zfs-allow and zpool-add) in NAME subsections of zfs/zpool subcommands instead of current "pretty-printed" ones as makewhatis utilities (or some implementations of it, namely the one from mandoc suite used in FreeBSD) look not only at the document title but also in NAME subsection, adding zfs(8)/zpool(8) to search results which is not correct. (Common sense and other utilities splitting subcommands in multiple man pages, e.g. git, do the same.) Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: xtouqh <xtouqh@hotmail.com> Closes #11086
82 lines
2.6 KiB
Groff
82 lines
2.6 KiB
Groff
.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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.\" or http://www.opensolaris.org/os/licensing.
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\"
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.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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.\" If applicable, add the following below this CDDL HEADER, with the
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.\" fields enclosed by brackets "[]" replaced with your own identifying
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\"
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.\" CDDL HEADER END
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.\"
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.\"
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.\" Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved.
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.\" Copyright 2011 Joshua M. Clulow <josh@sysmgr.org>
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.\" Copyright (c) 2011, 2019 by Delphix. All rights reserved.
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.\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
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.\" Copyright (c) 2014, Joyent, Inc. All rights reserved.
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.\" Copyright (c) 2014 by Adam Stevko. All rights reserved.
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.\" Copyright (c) 2014 Integros [integros.com]
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.\" Copyright 2019 Richard Laager. All rights reserved.
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.\" Copyright 2018 Nexenta Systems, Inc.
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.\" Copyright 2019 Joyent, Inc.
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.\"
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.Dd June 30, 2019
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.Dt ZFS-ROLLBACK 8
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.Os
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.Sh NAME
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.Nm zfs-rollback
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.Nd Roll back the given dataset to a previous snapshot.
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.Sh SYNOPSIS
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.Nm zfs
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.Cm rollback
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.Op Fl Rfr
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.Ar snapshot
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.Sh DESCRIPTION
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.Bl -tag -width ""
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.It Xo
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.Nm zfs
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.Cm rollback
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.Op Fl Rfr
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.Ar snapshot
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.Xc
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When a dataset is rolled back, all data that has changed since the snapshot is
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discarded, and the dataset reverts to the state at the time of the snapshot.
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By default, the command refuses to roll back to a snapshot other than the most
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recent one.
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In order to do so, all intermediate snapshots and bookmarks must be destroyed by
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specifying the
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.Fl r
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option.
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.Pp
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The
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.Fl rR
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options do not recursively destroy the child snapshots of a recursive snapshot.
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Only direct snapshots of the specified filesystem are destroyed by either of
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these options.
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To completely roll back a recursive snapshot, you must rollback the individual
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child snapshots.
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.Bl -tag -width "-R"
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.It Fl R
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Destroy any more recent snapshots and bookmarks, as well as any clones of those
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snapshots.
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.It Fl f
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Used with the
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.Fl R
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option to force an unmount of any clone file systems that are to be destroyed.
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.It Fl r
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Destroy any snapshots and bookmarks more recent than the one specified.
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.El
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.El
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.Sh SEE ALSO
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.Xr zfs-snapshot 8
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