1.\" SPDX-License-Identifier: CDDL-1.0 2.\" 3.\" CDDL HEADER START 4.\" 5.\" The contents of this file are subject to the terms of the 6.\" Common Development and Distribution License (the "License"). 7.\" You may not use this file except in compliance with the License. 8.\" 9.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10.\" or https://opensource.org/licenses/CDDL-1.0. 11.\" See the License for the specific language governing permissions 12.\" and limitations under the License. 13.\" 14.\" When distributing Covered Code, include this CDDL HEADER in each 15.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16.\" If applicable, add the following below this CDDL HEADER, with the 17.\" fields enclosed by brackets "[]" replaced with your own identifying 18.\" information: Portions Copyright [yyyy] [name of copyright owner] 19.\" 20.\" CDDL HEADER END 21.\" 22.\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved. 23.\" Copyright (c) 2012, 2018 by Delphix. All rights reserved. 24.\" Copyright (c) 2012 Cyril Plisko. All Rights Reserved. 25.\" Copyright (c) 2017 Datto Inc. 26.\" Copyright (c) 2018 George Melikov. All Rights Reserved. 27.\" Copyright 2017 Nexenta Systems, Inc. 28.\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved. 29.\" Copyright (c) 2024, Klara Inc. 30.\" Copyright (c) 2024, Mateusz Piotrowski 31.\" 32.Dd June 21, 2023 33.Dt ZPOOL-REGUID 8 34.Os 35. 36.Sh NAME 37.Nm zpool-reguid 38.Nd generate new unique identifier for ZFS storage pool 39.Sh SYNOPSIS 40.Nm zpool 41.Cm reguid 42.Op Fl g Ar guid 43.Ar pool 44. 45.Sh DESCRIPTION 46Generates a new unique identifier for the pool. 47You must ensure that all devices in this pool are online and healthy before 48performing this action. 49. 50.Bl -tag -width Ds 51.It Fl g Ar guid 52Set the pool GUID to the provided value. 53The GUID can be any 64-bit value accepted by 54.Xr strtoull 3 55in base 10. 56.Nm 57will return an error if the provided GUID is already in use. 58.El 59.Sh SEE ALSO 60.Xr zpool-export 8 , 61.Xr zpool-import 8 62