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e34e15ed6d
zpool initialize functions well for touching every free byte...once. But if we want to do it again, we're currently out of luck. So let's add zpool initialize -u to clear it. Co-authored-by: Rich Ercolani <rincebrain@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rich Ercolani <rincebrain@gmail.com> Closes #12451 Closes #14873
82 lines
2.8 KiB
Groff
82 lines
2.8 KiB
Groff
.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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.\" or https://opensource.org/licenses/CDDL-1.0.
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\"
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.\" CDDL HEADER END
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.\"
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.\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
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.\" Copyright (c) 2012, 2018 by Delphix. All rights reserved.
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.\" Copyright (c) 2012 Cyril Plisko. All Rights Reserved.
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.\" Copyright (c) 2017 Datto Inc.
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.\" Copyright (c) 2018 George Melikov. All Rights Reserved.
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.\" Copyright 2017 Nexenta Systems, Inc.
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.\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
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.\"
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.Dd May 27, 2021
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.Dt ZPOOL-INITIALIZE 8
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.Os
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.
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.Sh NAME
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.Nm zpool-initialize
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.Nd write to unallocated regions of ZFS storage pool
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.Sh SYNOPSIS
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.Nm zpool
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.Cm initialize
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.Op Fl c Ns | Ns Fl s | Ns Fl u
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.Op Fl w
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.Ar pool
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.Oo Ar device Oc Ns …
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.
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.Sh DESCRIPTION
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Begins initializing by writing to all unallocated regions on the specified
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devices, or all eligible devices in the pool if no individual devices are
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specified.
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Only leaf data or log devices may be initialized.
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.Bl -tag -width Ds
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.It Fl c , -cancel
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Cancel initializing on the specified devices, or all eligible devices if none
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are specified.
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If one or more target devices are invalid or are not currently being
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initialized, the command will fail and no cancellation will occur on any device.
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.It Fl s , -suspend
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Suspend initializing on the specified devices, or all eligible devices if none
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are specified.
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If one or more target devices are invalid or are not currently being
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initialized, the command will fail and no suspension will occur on any device.
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Initializing can then be resumed by running
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.Nm zpool Cm initialize
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with no flags on the relevant target devices.
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.It Fl u , -uninit
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Clears the initialization state on the specified devices, or all eligible
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devices if none are specified.
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If the devices are being actively initialized the command will fail.
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After being cleared
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.Nm zpool Cm initialize
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with no flags can be used to re-initialize all unallocoated regions on
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the relevant target devices.
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.It Fl w , -wait
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Wait until the devices have finished initializing before returning.
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.El
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.
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.Sh SEE ALSO
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.Xr zpool-add 8 ,
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.Xr zpool-attach 8 ,
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.Xr zpool-create 8 ,
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.Xr zpool-online 8 ,
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.Xr zpool-replace 8 ,
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.Xr zpool-trim 8
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