1.\" 2.\" CDDL HEADER START 3.\" 4.\" The contents of this file are subject to the terms of the 5.\" Common Development and Distribution License (the "License"). 6.\" You may not use this file except in compliance with the License. 7.\" 8.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9.\" or http://www.opensolaris.org/os/licensing. 10.\" See the License for the specific language governing permissions 11.\" and limitations under the License. 12.\" 13.\" When distributing Covered Code, include this CDDL HEADER in each 14.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15.\" If applicable, add the following below this CDDL HEADER, with the 16.\" fields enclosed by brackets "[]" replaced with your own identifying 17.\" information: Portions Copyright [yyyy] [name of copyright owner] 18.\" 19.\" CDDL HEADER END 20.\" 21.\" 22.\" Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved. 23.\" Copyright 2011 Joshua M. Clulow <josh@sysmgr.org> 24.\" Copyright (c) 2011, 2019 by Delphix. All rights reserved. 25.\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved. 26.\" Copyright (c) 2014, Joyent, Inc. All rights reserved. 27.\" Copyright (c) 2014 by Adam Stevko. All rights reserved. 28.\" Copyright (c) 2014 Integros [integros.com] 29.\" Copyright 2019 Richard Laager. All rights reserved. 30.\" Copyright 2018 Nexenta Systems, Inc. 31.\" Copyright 2019 Joyent, Inc. 32.\" 33.Dd June 30, 2019 34.Dt ZFS-UPGRADE 8 35.Os 36.Sh NAME 37.Nm zfs-upgrade 38.Nd Manage upgrading the on-disk version of filesystems. 39.Sh SYNOPSIS 40.Nm zfs 41.Cm upgrade 42.Nm zfs 43.Cm upgrade 44.Fl v 45.Nm zfs 46.Cm upgrade 47.Op Fl r 48.Op Fl V Ar version 49.Fl a | Ar filesystem 50.Sh DESCRIPTION 51.Bl -tag -width "" 52.It Xo 53.Nm zfs 54.Cm upgrade 55.Xc 56Displays a list of file systems that are not the most recent version. 57.It Xo 58.Nm zfs 59.Cm upgrade 60.Fl v 61.Xc 62Displays a list of currently supported file system versions. 63.It Xo 64.Nm zfs 65.Cm upgrade 66.Op Fl r 67.Op Fl V Ar version 68.Fl a | Ar filesystem 69.Xc 70Upgrades file systems to a new on-disk version. 71Once this is done, the file systems will no longer be accessible on systems 72running older versions of the software. 73.Nm zfs Cm send 74streams generated from new snapshots of these file systems cannot be accessed on 75systems running older versions of the software. 76.Pp 77In general, the file system version is independent of the pool version. 78See 79.Xr zpool 8 80for information on the 81.Nm zpool Cm upgrade 82command. 83.Pp 84In some cases, the file system version and the pool version are interrelated and 85the pool version must be upgraded before the file system version can be 86upgraded. 87.Bl -tag -width "-V" 88.It Fl V Ar version 89Upgrade to the specified 90.Ar version . 91If the 92.Fl V 93flag is not specified, this command upgrades to the most recent version. 94This 95option can only be used to increase the version number, and only up to the most 96recent version supported by this software. 97.It Fl a 98Upgrade all file systems on all imported pools. 99.It Ar filesystem 100Upgrade the specified file system. 101.It Fl r 102Upgrade the specified file system and all descendent file systems. 103.El 104.El 105.Sh SEE ALSO 106.Xr zpool-upgrade 8 107