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2a673e76a9
Add properties, similar to pool properties, to each vdev. This makes use of the existing per-vdev ZAP that was added as part of device evacuation/removal. A large number of read-only properties are exposed, many of the members of struct vdev_t, that provide useful statistics. Adds support for read-only "removing" vdev property. Adds the "allocating" property that defaults to "on" and can be set to "off" to prevent future allocations from that top-level vdev. Supports user-defined vdev properties. Includes support for properties.vdev in SYSFS. Co-authored-by: Allan Jude <allan@klarasystems.com> Co-authored-by: Mark Maybee <mark.maybee@delphix.com> Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Mark Maybee <mark.maybee@delphix.com> Signed-off-by: Allan Jude <allan@klarasystems.com> Closes #11711
188 lines
4.4 KiB
Groff
188 lines
4.4 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 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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.\" 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) 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-GET 8
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.Os
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.
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.Sh NAME
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.Nm zpool-get
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.Nd retrieve properties of ZFS storage pools
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.Sh SYNOPSIS
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.Nm zpool
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.Cm get
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.Op Fl Hp
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.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns …
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.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns …
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.Oo Ar pool Oc Ns …
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.
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.Nm zpool
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.Cm get
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.Op Fl Hp
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.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns …
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.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns …
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.Ar pool
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.Oo Sy all-vdevs Ns | Ns
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.Ar vdev Oc Ns …
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.
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.Nm zpool
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.Cm set
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.Ar property Ns = Ns Ar value
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.Ar pool
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.
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.Nm zpool
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.Cm set
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.Ar property Ns = Ns Ar value
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.Ar pool
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.Ar vdev
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.
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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 get
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.Op Fl Hp
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.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns …
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.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns …
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.Oo Ar pool Oc Ns …
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.Xc
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Retrieves the given list of properties
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.Po
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or all properties if
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.Sy all
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is used
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.Pc
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for the specified storage pool(s).
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These properties are displayed with the following fields:
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.Bl -tag -compact -offset Ds -width "property"
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.It Sy name
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Name of storage pool.
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.It Sy property
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Property name.
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.It Sy value
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Property value.
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.It Sy source
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Property source, either
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.Sy default No or Sy local .
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.El
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.Pp
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See the
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.Xr zpoolprops 7
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manual page for more information on the available pool properties.
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.Bl -tag -compact -offset Ds -width "-o field"
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.It Fl H
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Scripted mode.
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Do not display headers, and separate fields by a single tab instead of arbitrary
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space.
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.It Fl o Ar field
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A comma-separated list of columns to display, defaults to
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.Sy name , Ns Sy property , Ns Sy value , Ns Sy source .
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.It Fl p
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Display numbers in parsable (exact) values.
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.El
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.It Xo
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.Nm zpool
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.Cm get
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.Op Fl Hp
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.Op Fl o Ar field Ns Oo , Ns Ar field Oc Ns …
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.Sy all Ns | Ns Ar property Ns Oo , Ns Ar property Oc Ns …
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.Ar pool
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.Oo Sy all-vdevs Ns | Ns
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.Ar vdev Oc Ns …
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.Xc
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Retrieves the given list of properties
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.Po
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or all properties if
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.Sy all
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is used
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.Pc
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for the specified vdevs
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.Po
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or all vdevs if
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.Sy all-vdevs
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is used
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.Pc
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in the specified pool.
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These properties are displayed with the following fields:
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.Bl -tag -compact -offset Ds -width "property"
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.It Sy name
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Name of vdev.
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.It Sy property
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Property name.
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.It Sy value
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Property value.
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.It Sy source
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Property source, either
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.Sy default No or Sy local .
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.El
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.Pp
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See the
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.Xr vdevprops 7
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manual page for more information on the available pool properties.
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.Bl -tag -compact -offset Ds -width "-o field"
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.It Fl H
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Scripted mode.
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Do not display headers, and separate fields by a single tab instead of arbitrary
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space.
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.It Fl o Ar field
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A comma-separated list of columns to display, defaults to
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.Sy name , Ns Sy property , Ns Sy value , Ns Sy source .
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.It Fl p
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Display numbers in parsable (exact) values.
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.El
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.It Xo
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.Nm zpool
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.Cm set
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.Ar property Ns = Ns Ar value
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.Ar pool
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.Xc
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Sets the given property on the specified pool.
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See the
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.Xr zpoolprops 7
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manual page for more information on what properties can be set and acceptable
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values.
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.It Xo
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.Nm zpool
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.Cm set
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.Ar property Ns = Ns Ar value
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.Ar pool
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.Ar vdev
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.Xc
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Sets the given property on the specified vdev in the specified pool.
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See the
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.Xr vdevprops 7
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manual page for more information on what properties can be set and acceptable
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values.
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.El
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.
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.Sh SEE ALSO
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.Xr vdevprops 7 ,
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.Xr zpool-features 7 ,
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.Xr zpoolprops 7 ,
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.Xr zpool-list 8
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