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mirror_zfs/man/man8/zpool-split.8

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Reorganize zpool(8) man page into sections Moved subcommand topics into individual manpages. Reordered and grouped the list of subcommands by topic. Moved concepts overview to `zpoolconcepts.8` and the long list of available pool properties to `zpoolprops.8`. Internal cross-references copied from `zpool.8` needed to be converted to `.Xr` external references to new subcommand manual pages. Move `autotrim` into lexical order, autotrim tacked onto the end of a list. Now it is in alphabetical order. Clarify attach/detach description. Description was too specific to command syntax. Overview clarifies reason for attaching or detaching a device. Clarify replace description, don't refer to subcommand arguments. Clarify split command description, say what split actually does and why you'd want to do it. Clarify description of upgrade, and simplify the zpool.8 wording of the zpool-upgrade(8) description. Clarify description of import, detail what zpool-import(8) actually does. Add appropriate SEE ALSO sections. Divided zpool subcommand manual pages need their own SEE ALSO sections. Also modified fsck.zfs.8 to point directly to zfs-scrub.8 and zed.8.in to include a direct reference to zfs-events.8 Reviewed-by: Matt Ahrens <matt@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ross Williams <ross@ross-williams.net> Closes #9564
2019-11-13 20:21:07 +03:00
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.\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
.\" Copyright (c) 2012, 2018 by Delphix. All rights reserved.
.\" Copyright (c) 2012 Cyril Plisko. All Rights Reserved.
.\" Copyright (c) 2017 Datto Inc.
.\" Copyright (c) 2018 George Melikov. All Rights Reserved.
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.Dd August 9, 2019
.Dt ZPOOL-SPLIT 8
Remove hard coded "Linux" OS from manpages The recommended practice for `.Os` on FreeBSD is to not specify any arguments. The correct OS name is used automatically. Oddly enough, on the Linux distro I tested this on (CentOS 7), the man pager defaulted to displaying "BSD" as the OS rather than "Linux". To accommodate this, tack " Linux" back on in an install hook on Linux. This is much simpler than removing it for FreeBSD when vendored in the base system. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ryan Moeller <ryan@iXsystems.com> Closes #10760
2020-08-21 21:55:47 +03:00
.Os
Reorganize zpool(8) man page into sections Moved subcommand topics into individual manpages. Reordered and grouped the list of subcommands by topic. Moved concepts overview to `zpoolconcepts.8` and the long list of available pool properties to `zpoolprops.8`. Internal cross-references copied from `zpool.8` needed to be converted to `.Xr` external references to new subcommand manual pages. Move `autotrim` into lexical order, autotrim tacked onto the end of a list. Now it is in alphabetical order. Clarify attach/detach description. Description was too specific to command syntax. Overview clarifies reason for attaching or detaching a device. Clarify replace description, don't refer to subcommand arguments. Clarify split command description, say what split actually does and why you'd want to do it. Clarify description of upgrade, and simplify the zpool.8 wording of the zpool-upgrade(8) description. Clarify description of import, detail what zpool-import(8) actually does. Add appropriate SEE ALSO sections. Divided zpool subcommand manual pages need their own SEE ALSO sections. Also modified fsck.zfs.8 to point directly to zfs-scrub.8 and zed.8.in to include a direct reference to zfs-events.8 Reviewed-by: Matt Ahrens <matt@delphix.com> Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ross Williams <ross@ross-williams.net> Closes #9564
2019-11-13 20:21:07 +03:00
.Sh NAME
.Nm zpool Ns Pf - Cm split
.Nd Split devices off a ZFS storage pool creating a new pool
.Sh SYNOPSIS
.Nm
.Cm split
.Op Fl gLlnP
.Oo Fl o Ar property Ns = Ns Ar value Oc Ns ...
.Op Fl R Ar root
.Ar pool newpool
.Oo Ar device Oc Ns ...
.Sh DESCRIPTION
.Bl -tag -width Ds
.It Xo
.Nm
.Cm split
.Op Fl gLlnP
.Oo Fl o Ar property Ns = Ns Ar value Oc Ns ...
.Op Fl R Ar root
.Ar pool newpool
.Op Ar device ...
.Xc
Splits devices off
.Ar pool
creating
.Ar newpool .
All vdevs in
.Ar pool
must be mirrors and the pool must not be in the process of resilvering.
At the time of the split,
.Ar newpool
will be a replica of
.Ar pool .
By default, the
last device in each mirror is split from
.Ar pool
to create
.Ar newpool .
.Pp
The optional device specification causes the specified device(s) to be
included in the new
.Ar pool
and, should any devices remain unspecified,
the last device in each mirror is used as would be by default.
.Bl -tag -width Ds
.It Fl g
Display vdev GUIDs instead of the normal device names. These GUIDs
can be used in place of device names for the zpool
detach/offline/remove/replace commands.
.It Fl L
Display real paths for vdevs resolving all symbolic links. This can
be used to look up the current block device name regardless of the
.Pa /dev/disk/
path used to open it.
.It Fl l
Indicates that this command will request encryption keys for all encrypted
datasets it attempts to mount as it is bringing the new pool online. Note that
if any datasets have a
.Sy keylocation
of
.Sy prompt
this command will block waiting for the keys to be entered. Without this flag
encrypted datasets will be left unavailable until the keys are loaded.
.It Fl n
Do dry run, do not actually perform the split.
Print out the expected configuration of
.Ar newpool .
.It Fl P
Display full paths for vdevs instead of only the last component of
the path. This can be used in conjunction with the
.Fl L
flag.
.It Fl o Ar property Ns = Ns Ar value
Sets the specified property for
.Ar newpool .
See the
.Xr zpoolprops
manual page for more information on the available pool properties.
.It Fl R Ar root
Set
.Sy altroot
for
.Ar newpool
to
.Ar root
and automatically import it.
.El
.El
.Sh SEE ALSO
.Xr zpool-import 8 ,
.Xr zpool-list 8 ,
.Xr zpool-remove 8
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