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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
208 lines
5.8 KiB
Groff
208 lines
5.8 KiB
Groff
.\"
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.\" CDDL HEADER START
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\" CDDL HEADER END
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.\"
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.\"
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.\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
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.\" Copyright (c) 2012, 2018 by Delphix. All rights reserved.
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.\" Copyright (c) 2012 Cyril Plisko. All Rights Reserved.
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.\" Copyright (c) 2017 Datto Inc.
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.\" Copyright (c) 2018 George Melikov. All Rights Reserved.
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.\" Copyright 2017 Nexenta Systems, Inc.
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.\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
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.\"
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.Dd August 9, 2019
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.Dt ZPOOL-CREATE 8
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.Os
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.Sh NAME
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.Nm zpool-create
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.Nd Creates a new ZFS storage pool
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.Sh SYNOPSIS
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.Nm zpool
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.Cm create
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.Op Fl dfn
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.Op Fl m Ar mountpoint
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.Oo Fl o Ar property Ns = Ns Ar value Oc Ns ...
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.Oo Fl o Ar feature@feature Ns = Ns Ar value Oc
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.Oo Fl O Ar file-system-property Ns = Ns Ar value Oc Ns ...
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.Op Fl R Ar root
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.Ar pool vdev Ns ...
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.Sh DESCRIPTION
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.Bl -tag -width Ds
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.It Xo
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.Nm zpool
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.Cm create
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.Op Fl dfn
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.Op Fl m Ar mountpoint
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.Oo Fl o Ar property Ns = Ns Ar value Oc Ns ...
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.Oo Fl o Ar feature@feature Ns = Ns Ar value Oc Ns ...
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.Oo Fl O Ar file-system-property Ns = Ns Ar value Oc Ns ...
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.Op Fl R Ar root
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.Op Fl t Ar tname
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.Ar pool vdev Ns ...
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.Xc
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Creates a new storage pool containing the virtual devices specified on the
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command line.
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The pool name must begin with a letter, and can only contain
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alphanumeric characters as well as underscore
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.Pq Qq Sy _ ,
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dash
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.Pq Qq Sy \&- ,
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colon
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.Pq Qq Sy \&: ,
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space
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.Pq Qq Sy \&\ ,
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and period
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.Pq Qq Sy \&. .
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The pool names
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.Sy mirror ,
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.Sy raidz ,
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.Sy spare
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and
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.Sy log
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are reserved, as are names beginning with
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.Sy mirror ,
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.Sy raidz ,
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.Sy spare ,
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and the pattern
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.Sy c[0-9] .
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The
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.Ar vdev
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specification is described in the
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.Em Virtual Devices
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section of
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.Xr zpoolconcepts.
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.Pp
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The command attempts to verify that each device specified is accessible and not
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currently in use by another subsystem. However this check is not robust enough
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to detect simultaneous attempts to use a new device in different pools, even if
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.Sy multihost
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is
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.Sy enabled.
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The
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administrator must ensure that simultaneous invocations of any combination of
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.Sy zpool replace ,
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.Sy zpool create ,
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.Sy zpool add ,
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or
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.Sy zpool labelclear ,
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do not refer to the same device. Using the same device in two pools will
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result in pool corruption.
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.Pp
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There are some uses, such as being currently mounted, or specified as the
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dedicated dump device, that prevents a device from ever being used by ZFS.
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Other uses, such as having a preexisting UFS file system, can be overridden with
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the
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.Fl f
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option.
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.Pp
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The command also checks that the replication strategy for the pool is
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consistent.
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An attempt to combine redundant and non-redundant storage in a single pool, or
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to mix disks and files, results in an error unless
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.Fl f
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is specified.
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The use of differently sized devices within a single raidz or mirror group is
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also flagged as an error unless
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.Fl f
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is specified.
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.Pp
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Unless the
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.Fl R
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option is specified, the default mount point is
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.Pa / Ns Ar pool .
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The mount point must not exist or must be empty, or else the root dataset
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cannot be mounted.
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This can be overridden with the
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.Fl m
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option.
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.Pp
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By default all supported features are enabled on the new pool unless the
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.Fl d
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option is specified.
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.Bl -tag -width Ds
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.It Fl d
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Do not enable any features on the new pool.
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Individual features can be enabled by setting their corresponding properties to
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.Sy enabled
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with the
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.Fl o
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option.
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See
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.Xr zpool-features 5
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for details about feature properties.
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.It Fl f
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Forces use of
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.Ar vdev Ns s ,
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even if they appear in use or specify a conflicting replication level.
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Not all devices can be overridden in this manner.
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.It Fl m Ar mountpoint
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Sets the mount point for the root dataset.
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The default mount point is
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.Pa /pool
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or
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.Pa altroot/pool
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if
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.Ar altroot
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is specified.
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The mount point must be an absolute path,
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.Sy legacy ,
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or
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.Sy none .
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For more information on dataset mount points, see
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.Xr zfs 8 .
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.It Fl n
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Displays the configuration that would be used without actually creating the
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pool.
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The actual pool creation can still fail due to insufficient privileges or
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device sharing.
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.It Fl o Ar property Ns = Ns Ar value
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Sets the given pool properties.
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See the
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.Xr zpoolprops
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manual page for a list of valid properties that can be set.
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.It Fl o Ar feature@feature Ns = Ns Ar value
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Sets the given pool feature. See the
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.Xr zpool-features 5
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section for a list of valid features that can be set.
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Value can be either disabled or enabled.
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.It Fl O Ar file-system-property Ns = Ns Ar value
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Sets the given file system properties in the root file system of the pool.
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See the
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.Xr zfsprops 8
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manual page for a list of valid properties that can be set.
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.It Fl R Ar root
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Equivalent to
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.Fl o Sy cachefile Ns = Ns Sy none Fl o Sy altroot Ns = Ns Ar root
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.It Fl t Ar tname
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Sets the in-core pool name to
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.Sy tname
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while the on-disk name will be the name specified as the pool name
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.Sy pool .
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This will set the default cachefile property to none. This is intended
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to handle name space collisions when creating pools for other systems,
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such as virtual machines or physical machines whose pools live on network
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block devices.
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.El
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.El
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.Sh SEE ALSO
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.Xr zpool-destroy 8 ,
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.Xr zpool-export 8 ,
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.Xr zpool-import 8
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