d35708b187
In addition, html doc will have working hyperlinks. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: George Melikov <mail@gmelikov.ru> Closes #11845
222 lines
6.4 KiB
Groff
222 lines
6.4 KiB
Groff
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.\" CDDL HEADER END
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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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.\" Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
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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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.Op Fl o Ar compatibility Ns = Ns Ar off | legacy | file Bq , Ns Ar file 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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.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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.Op Fl o Ar compatibility Ns = Ns Ar off | legacy | file Bq , Ns Ar file 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 draid ,
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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 draid ,
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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 8 .
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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. The
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.Fl d
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option or the
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.Fl o Ar compatibility
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property (eg:
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.Fl o Ar compatibility=2020
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) can be used to restrict the features that are enabled, so that the
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pool can be imported on other releases of the ZFS software.
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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 8
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manual page for a list of valid properties that can be set.
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.It Fl o Ar compatibility Ns = Ns Ar off | legacy | file Bq , Ns Ar file Ns ...
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Specifies compatibility feature sets. See
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.Xr zpool-features 5
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for more information about compatibility feature sets.
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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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