97 lines
3.4 KiB
Groff
97 lines
3.4 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 https://opensource.org/licenses/CDDL-1.0.
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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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.\" 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 March 16, 2022
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.Dt ZFS-CLONE 8
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.Os
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.
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.Sh NAME
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.Nm zfs-clone
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.Nd clone snapshot of ZFS dataset
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.Sh SYNOPSIS
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.Nm zfs
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.Cm clone
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.Op Fl p
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.Oo Fl o Ar property Ns = Ns Ar value Oc Ns …
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.Ar snapshot Ar filesystem Ns | Ns Ar volume
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.
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.Sh DESCRIPTION
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See the
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.Sx Clones
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section of
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.Xr zfsconcepts 7
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for details.
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The target dataset can be located anywhere in the ZFS hierarchy,
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and is created as the same type as the original.
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.Bl -tag -width Ds
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.It Fl o Ar property Ns = Ns Ar value
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Sets the specified property; see
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.Nm zfs Cm create
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for details.
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.It Fl p
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Creates all the non-existing parent datasets.
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Datasets created in this manner are automatically mounted according to the
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.Sy mountpoint
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property inherited from their parent.
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If the target filesystem or volume already exists, the operation completes
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successfully.
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.El
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.
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.Sh EXAMPLES
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.\" These are, respectively, examples 9, 10 from zfs.8
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.\" Make sure to update them bidirectionally
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.Ss Example 1 : No Creating a ZFS Clone
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The following command creates a writable file system whose initial contents are
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the same as
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.Ar pool/home/bob@yesterday .
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.Dl # Nm zfs Cm clone Ar pool/home/bob@yesterday pool/clone
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.
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.Ss Example 2 : No Promoting a ZFS Clone
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The following commands illustrate how to test out changes to a file system, and
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then replace the original file system with the changed one, using clones, clone
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promotion, and renaming:
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.Bd -literal -compact -offset Ds
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.No # Nm zfs Cm create Ar pool/project/production
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populate /pool/project/production with data
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.No # Nm zfs Cm snapshot Ar pool/project/production Ns @ Ns Ar today
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.No # Nm zfs Cm clone Ar pool/project/production@today pool/project/beta
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make changes to /pool/project/beta and test them
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.No # Nm zfs Cm promote Ar pool/project/beta
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.No # Nm zfs Cm rename Ar pool/project/production pool/project/legacy
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.No # Nm zfs Cm rename Ar pool/project/beta pool/project/production
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once the legacy version is no longer needed, it can be destroyed
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.No # Nm zfs Cm destroy Ar pool/project/legacy
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.Ed
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.
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.Sh SEE ALSO
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.Xr zfs-promote 8 ,
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.Xr zfs-snapshot 8
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