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-DESTROY 8 35.Os 36.Sh NAME 37.Nm zfs-destroy 38.Nd Destroys the given dataset(s), snapshot(s), or bookmark. 39.Sh SYNOPSIS 40.Nm zfs 41.Cm destroy 42.Op Fl Rfnprv 43.Ar filesystem Ns | Ns Ar volume 44.Nm zfs 45.Cm destroy 46.Op Fl Rdnprv 47.Ar filesystem Ns | Ns Ar volume Ns @ Ns Ar snap Ns 48.Oo % Ns Ar snap Ns Oo , Ns Ar snap Ns Oo % Ns Ar snap Oc Oc Oc Ns ... 49.Nm zfs 50.Cm destroy 51.Ar filesystem Ns | Ns Ar volume Ns # Ns Ar bookmark 52.Sh DESCRIPTION 53.Bl -tag -width "" 54.It Xo 55.Nm zfs 56.Cm destroy 57.Op Fl Rfnprv 58.Ar filesystem Ns | Ns Ar volume 59.Xc 60Destroys the given dataset. 61By default, the command unshares any file systems that are currently shared, 62unmounts any file systems that are currently mounted, and refuses to destroy a 63dataset that has active dependents 64.Pq children or clones . 65.Bl -tag -width "-R" 66.It Fl R 67Recursively destroy all dependents, including cloned file systems outside the 68target hierarchy. 69.It Fl f 70Force an unmount of any file systems using the 71.Nm unmount Fl f 72command. 73This option has no effect on non-file systems or unmounted file systems. 74.It Fl n 75Do a dry-run 76.Pq Qq No-op 77deletion. 78No data will be deleted. 79This is useful in conjunction with the 80.Fl v 81or 82.Fl p 83flags to determine what data would be deleted. 84.It Fl p 85Print machine-parsable verbose information about the deleted data. 86.It Fl r 87Recursively destroy all children. 88.It Fl v 89Print verbose information about the deleted data. 90.El 91.Pp 92Extreme care should be taken when applying either the 93.Fl r 94or the 95.Fl R 96options, as they can destroy large portions of a pool and cause unexpected 97behavior for mounted file systems in use. 98.It Xo 99.Nm zfs 100.Cm destroy 101.Op Fl Rdnprv 102.Ar filesystem Ns | Ns Ar volume Ns @ Ns Ar snap Ns 103.Oo % Ns Ar snap Ns Oo , Ns Ar snap Ns Oo % Ns Ar snap Oc Oc Oc Ns ... 104.Xc 105The given snapshots are destroyed immediately if and only if the 106.Ql zfs destroy 107command without the 108.Fl d 109option would have destroyed it. 110Such immediate destruction would occur, for example, if the snapshot had no 111clones and the user-initiated reference count were zero. 112.Pp 113If a snapshot does not qualify for immediate destruction, it is marked for 114deferred deletion. 115In this state, it exists as a usable, visible snapshot until both of the 116preconditions listed above are met, at which point it is destroyed. 117.Pp 118An inclusive range of snapshots may be specified by separating the first and 119last snapshots with a percent sign. 120The first and/or last snapshots may be left blank, in which case the 121filesystem's oldest or newest snapshot will be implied. 122.Pp 123Multiple snapshots 124.Pq or ranges of snapshots 125of the same filesystem or volume may be specified in a comma-separated list of 126snapshots. 127Only the snapshot's short name 128.Po the part after the 129.Sy @ 130.Pc 131should be specified when using a range or comma-separated list to identify 132multiple snapshots. 133.Bl -tag -width "-R" 134.It Fl R 135Recursively destroy all clones of these snapshots, including the clones, 136snapshots, and children. 137If this flag is specified, the 138.Fl d 139flag will have no effect. 140.It Fl d 141Destroy immediately. If a snapshot cannot be destroyed now, mark it for 142deferred destruction. 143.It Fl n 144Do a dry-run 145.Pq Qq No-op 146deletion. 147No data will be deleted. 148This is useful in conjunction with the 149.Fl p 150or 151.Fl v 152flags to determine what data would be deleted. 153.It Fl p 154Print machine-parsable verbose information about the deleted data. 155.It Fl r 156Destroy 157.Pq or mark for deferred deletion 158all snapshots with this name in descendent file systems. 159.It Fl v 160Print verbose information about the deleted data. 161.Pp 162Extreme care should be taken when applying either the 163.Fl r 164or the 165.Fl R 166options, as they can destroy large portions of a pool and cause unexpected 167behavior for mounted file systems in use. 168.El 169.It Xo 170.Nm zfs 171.Cm destroy 172.Ar filesystem Ns | Ns Ar volume Ns # Ns Ar bookmark 173.Xc 174The given bookmark is destroyed. 175.El 176.Sh SEE ALSO 177.Xr zfs-create 8 , 178.Xr zfs-hold 8 179