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1f3de97374
Several improvements to the operation of the 'compatibility' property: 1) Improved handling of unrecognized features: Change the way unrecognized features in compatibility files are handled. * invalid features in files under /usr/share/zfs/compatibility.d only get a warning (as these may refer to future features not yet in the library), * invalid features in files under /etc/zfs/compatibility.d get an error (as these are presumed to refer to the current system). 2) Improved error reporting from zpool_load_compat. Note: slight ABI change to zpool_load_compat for better error reporting. 3) compatibility=legacy inhibits all 'zpool upgrade' operations. 4) Detect when features are enabled outside current compatibility set * zpool set compatibility=foo <-- print a warning * zpool set feature@xxx=enabled <-- error * zpool status <-- indicate this state Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Colm Buckley <colm@tuatha.org> Closes #11861
109 lines
3.2 KiB
Groff
109 lines
3.2 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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.\" 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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.\" 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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.\"
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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-UPGRADE 8
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.Os
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.Sh NAME
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.Nm zpool-upgrade
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.Nd Manage version and feature flags of ZFS storage pools
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.Sh SYNOPSIS
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.Nm zpool
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.Cm upgrade
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.Nm zpool
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.Cm upgrade
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.Fl v
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.Nm zpool
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.Cm upgrade
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.Op Fl V Ar version
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.Fl a Ns | Ns Ar pool 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 upgrade
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.Xc
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Displays pools which do not have all supported features enabled and pools
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formatted using a legacy ZFS version number.
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These pools can continue to be used, but some features may not be available.
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Use
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.Nm zpool Cm upgrade Fl a
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to enable all features on all pools (subject to the
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.Fl o Ar compatibility
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property).
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.It Xo
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.Nm zpool
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.Cm upgrade
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.Fl v
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.Xc
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Displays legacy ZFS versions supported by the current software.
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See
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.Xr zpool-features 5
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for a description of feature flags features supported by the current software.
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.It Xo
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.Nm zpool
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.Cm upgrade
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.Op Fl V Ar version
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.Fl a Ns | Ns Ar pool Ns ...
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.Xc
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Enables all supported features on the given pool.
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.Pp
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If the pool has specified compatibility feature sets using the
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.Fl o Ar compatibility
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property, only the features present in all requested compatibility sets will be
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enabled. If this property is set to
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.Ar legacy
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then no upgrade will take place.
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.Pp
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Once this is done, the pool will no longer be accessible on systems that do not
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support feature flags.
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See
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.Xr zpool-features 5
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for details on compatibility with systems that support feature flags, but do not
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support all features enabled on the pool.
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.Bl -tag -width Ds
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.It Fl a
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Enables all supported features (from specified compatibility sets, if any) on all
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pools.
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.It Fl V Ar version
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Upgrade to the specified legacy version.
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If the
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.Fl V
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flag is specified, no features will be enabled on the pool.
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This option can only be used to increase the version number up to the last
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supported legacy version number.
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.El
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.El
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.Sh SEE ALSO
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.Xr zpool-features 5 ,
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.Xr zpoolconcepts 8 ,
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.Xr zpoolprops 8 ,
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.Xr zpool-history 8
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