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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
111 lines
3.0 KiB
Groff
111 lines
3.0 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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.\"
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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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.\" When distributing Covered Code, include this CDDL HEADER in each
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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-HOLD 8
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.Os
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.Sh NAME
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.Nm zfs-hold
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.Nd Hold a snapshot to prevent it being removed with the zfs destroy command.
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.Sh SYNOPSIS
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.Nm zfs
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.Cm hold
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.Op Fl r
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.Ar tag Ar snapshot Ns ...
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.Nm zfs
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.Cm holds
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.Op Fl rH
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.Ar snapshot Ns ...
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.Nm zfs
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.Cm release
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.Op Fl r
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.Ar tag Ar snapshot Ns ...
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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 hold
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.Op Fl r
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.Ar tag Ar snapshot Ns ...
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.Xc
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Adds a single reference, named with the
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.Ar tag
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argument, to the specified snapshot or snapshots.
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Each snapshot has its own tag namespace, and tags must be unique within that
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space.
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.Pp
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If a hold exists on a snapshot, attempts to destroy that snapshot by using the
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.Nm zfs Cm destroy
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command return
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.Er EBUSY .
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.Bl -tag -width "-r"
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.It Fl r
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Specifies that a hold with the given tag is applied recursively to the snapshots
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of all descendent file systems.
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.El
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.It Xo
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.Nm zfs
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.Cm holds
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.Op Fl rH
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.Ar snapshot Ns ...
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.Xc
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Lists all existing user references for the given snapshot or snapshots.
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.Bl -tag -width "-r"
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.It Fl r
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Lists the holds that are set on the named descendent snapshots, in addition to
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listing the holds on the named snapshot.
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.It Fl H
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Do not print headers, use tab-delimited output.
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.El
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.It Xo
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.Nm zfs
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.Cm release
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.Op Fl r
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.Ar tag Ar snapshot Ns ...
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.Xc
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Removes a single reference, named with the
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.Ar tag
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argument, from the specified snapshot or snapshots.
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The tag must already exist for each snapshot.
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If a hold exists on a snapshot, attempts to destroy that snapshot by using the
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.Nm zfs Cm destroy
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command return
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.Er EBUSY .
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.Bl -tag -width "-r"
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.It Fl r
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Recursively releases a hold with the given tag on the snapshots of all
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descendent file systems.
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.El
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.El
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.Sh SEE ALSO
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.Xr zfs-destroy 8
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