107 lines
3.0 KiB
Groff
107 lines
3.0 KiB
Groff
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.\" CDDL HEADER END
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.\"
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.\"
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.\" Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved.
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.\" Copyright 2011 Joshua M. Clulow <josh@sysmgr.org>
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.\" Copyright (c) 2011, 2019 by Delphix. All rights reserved.
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.\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
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.\" Copyright (c) 2014, Joyent, Inc. All rights reserved.
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.\" Copyright (c) 2014 by Adam Stevko. All rights reserved.
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.\" Copyright (c) 2014 Integros [integros.com]
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.\" Copyright 2019 Richard Laager. All rights reserved.
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.\" Copyright 2018 Nexenta Systems, Inc.
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.\" Copyright 2019 Joyent, Inc.
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.\"
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.Dd June 30, 2019
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.Dt ZFS-UPGRADE 8
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.Os Linux
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.Sh NAME
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.Nm zfs Ns Pf - Cm upgrade
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.Nd Manage upgrading the on-disk version of filesystems.
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.Sh SYNOPSIS
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.Nm
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.Cm upgrade
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.Nm
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.Cm upgrade
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.Fl v
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.Nm
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.Cm upgrade
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.Op Fl r
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.Op Fl V Ar version
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.Fl a | Ar filesystem
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.Sh DESCRIPTION
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.Bl -tag -width ""
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.It Xo
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.Nm
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.Cm upgrade
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.Xc
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Displays a list of file systems that are not the most recent version.
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.It Xo
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.Nm
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.Cm upgrade
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.Fl v
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.Xc
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Displays a list of currently supported file system versions.
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.It Xo
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.Nm
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.Cm upgrade
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.Op Fl r
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.Op Fl V Ar version
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.Fl a | Ar filesystem
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.Xc
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Upgrades file systems to a new on-disk version.
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Once this is done, the file systems will no longer be accessible on systems
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running older versions of the software.
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.Nm zfs Cm send
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streams generated from new snapshots of these file systems cannot be accessed on
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systems running older versions of the software.
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.Pp
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In general, the file system version is independent of the pool version.
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See
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.Xr zpool 8
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for information on the
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.Nm zpool Cm upgrade
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command.
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.Pp
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In some cases, the file system version and the pool version are interrelated and
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the pool version must be upgraded before the file system version can be
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upgraded.
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.Bl -tag -width "-V"
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.It Fl V Ar version
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Upgrade to the specified
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.Ar version .
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If the
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.Fl V
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flag is not specified, this command upgrades to the most recent version.
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This
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option can only be used to increase the version number, and only up to the most
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recent version supported by this software.
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.It Fl a
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Upgrade all file systems on all imported pools.
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.It Ar filesystem
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Upgrade the specified file system.
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.It Fl r
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Upgrade the specified file system and all descendent file systems.
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.El
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.El
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.Sh SEE ALSO
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.Xr zpool-upgrade 8
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