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.\" Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved. 22.\" Copyright 2011 Joshua M. Clulow <josh@sysmgr.org> 23.\" Copyright (c) 2011, 2019 by Delphix. All rights reserved. 24.\" Copyright (c) 2013 by Saso Kiselkov. All rights reserved. 25.\" Copyright (c) 2014, Joyent, Inc. All rights reserved. 26.\" Copyright (c) 2014 by Adam Stevko. All rights reserved. 27.\" Copyright (c) 2014 Integros [integros.com] 28.\" Copyright 2019 Richard Laager. All rights reserved. 29.\" Copyright 2018 Nexenta Systems, Inc. 30.\" Copyright 2019 Joyent, Inc. 31.\" 32.Dd June 30, 2019 33.Dt ZFS-UPGRADE 8 34.Os 35. 36.Sh NAME 37.Nm zfs-upgrade 38.Nd manage on-disk version of ZFS 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 Ns | Ns Ar filesystem 50. 51.Sh DESCRIPTION 52.Bl -tag -width "" 53.It Xo 54.Nm zfs 55.Cm upgrade 56.Xc 57Displays a list of file systems that are not the most recent version. 58.It Xo 59.Nm zfs 60.Cm upgrade 61.Fl v 62.Xc 63Displays a list of currently supported file system versions. 64.It Xo 65.Nm zfs 66.Cm upgrade 67.Op Fl r 68.Op Fl V Ar version 69.Fl a Ns | Ns Ar filesystem 70.Xc 71Upgrades file systems to a new on-disk version. 72Once this is done, the file systems will no longer be accessible on systems 73running older versions of ZFS. 74.Nm zfs Cm send 75streams generated from new snapshots of these file systems cannot be accessed on 76systems running older versions of ZFS. 77.Pp 78In general, the file system version is independent of the pool version. 79See 80.Xr zpool-features 7 81for information on features of ZFS storage pools. 82.Pp 83In some cases, the file system version and the pool version are interrelated and 84the pool version must be upgraded before the file system version can be 85upgraded. 86.Bl -tag -width "filesystem" 87.It Fl V Ar version 88Upgrade to 89.Ar version . 90If not specified, upgrade to the most recent version. 91This 92option can only be used to increase the version number, and only up to the most 93recent version supported by this version of ZFS. 94.It Fl a 95Upgrade all file systems on all imported pools. 96.It Ar filesystem 97Upgrade the specified file system. 98.It Fl r 99Upgrade the specified file system and all descendent file systems. 100.El 101.El 102.Sh SEE ALSO 103.Xr zpool-upgrade 8 104