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a9520e6e59
Add `zpool` flags to control the slot power to drives. This assumes
your SAS or NVMe enclosure supports slot power control via sysfs.
The new `--power` flag is added to `zpool offline|online|clear`:
zpool offline --power <pool> <device> Turn off device slot power
zpool online --power <pool> <device> Turn on device slot power
zpool clear --power <pool> [device] Turn on device slot power
If the ZPOOL_AUTO_POWER_ON_SLOT env var is set, then the '--power'
option is automatically implied for `zpool online` and `zpool clear`
and does not need to be passed.
zpool status also gets a --power option to print the slot power status.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Mart Frauenlob <AllKind@fastest.cc>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #15662
107 lines
2.9 KiB
Groff
107 lines
2.9 KiB
Groff
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.\" CDDL HEADER START
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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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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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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 August 9, 2019
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.Dt ZPOOL-OFFLINE 8
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.Os
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.
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.Sh NAME
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.Nm zpool-offline
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.Nd take physical devices offline in ZFS storage pool
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.Sh SYNOPSIS
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.Nm zpool
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.Cm offline
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.Op Fl Sy -power Ns | Ns Op Fl Sy ft
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.Ar pool
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.Ar device Ns …
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.Nm zpool
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.Cm online
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.Op Fl Sy -power
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.Op Fl Sy e
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.Ar pool
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.Ar device Ns …
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.
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.Sh DESCRIPTION
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.Bl -tag -width Ds
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.It Xo
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.Nm zpool
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.Cm offline
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.Op Fl Sy -power Ns | Ns Op Fl Sy ft
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.Ar pool
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.Ar device Ns …
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.Xc
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Takes the specified physical device offline.
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While the
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.Ar device
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is offline, no attempt is made to read or write to the device.
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This command is not applicable to spares.
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.Bl -tag -width Ds
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.It Fl -power
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Power off the device's slot in the storage enclosure.
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This flag currently works on Linux only
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.It Fl f
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Force fault.
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Instead of offlining the disk, put it into a faulted state.
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The fault will persist across imports unless the
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.Fl t
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flag was specified.
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.It Fl t
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Temporary.
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Upon reboot, the specified physical device reverts to its previous state.
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.El
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.It Xo
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.Nm zpool
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.Cm online
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.Op Fl -power
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.Op Fl e
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.Ar pool
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.Ar device Ns …
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.Xc
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Brings the specified physical device online.
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This command is not applicable to spares.
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.Bl -tag -width Ds
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.It Fl -power
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Power on the device's slot in the storage enclosure and wait for the device
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to show up before attempting to online it.
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Alternatively, you can set the
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.Sy ZPOOL_AUTO_POWER_ON_SLOT
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environment variable to always enable this behavior.
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This flag currently works on Linux only
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.It Fl e
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Expand the device to use all available space.
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If the device is part of a mirror or raidz then all devices must be expanded
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before the new space will become available to the pool.
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.El
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.El
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.
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.Sh SEE ALSO
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.Xr zpool-detach 8 ,
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.Xr zpool-remove 8 ,
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.Xr zpool-reopen 8 ,
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.Xr zpool-resilver 8
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