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zpool-online - take physical devices offline in ZFS storage pool


ZPOOL-OFFLINE(8) System Manager’s Manual ZPOOL-OFFLINE(8)

NAME

zpool-offline — take physical devices offline in ZFS storage pool

SYNOPSIS

zpool offline [−-power|[−ft]] pool deviceâ¦
zpool online
[−-power] [−e] pool deviceâ¦

DESCRIPTION
zpool offline
[−-power|[−ft]] pool deviceâ¦

Takes the specified physical device offline. While the device is offline, no attempt is made to read or write to the device. This command is not applicable to spares.

−-power

Power off the device’s slot in the storage enclosure. This flag currently works on Linux only

−f

Force fault. Instead of offlining the disk, put it into a faulted state. The fault will persist across imports unless the −t flag was specified.

−t

Temporary. Upon reboot, the specified physical device reverts to its previous state.

zpool online [−-power] [−e] pool deviceâ¦

Brings the specified physical device online. This command is not applicable to spares.

−-power

Power on the device’s slot in the storage enclosure and wait for the device to show up before attempting to online it. Alternatively, you can set the ZPOOL_AUTO_POWER_ON_SLOT environment variable to always enable this behavior. This flag currently works on Linux only

−e

Expand the device to use all available space. If the device is part of a mirror or raidz then all devices must be expanded before the new space will become available to the pool.

SEE ALSO

zpool-detach(8), zpool-remove(8), zpool-reopen(8), zpool-resilver(8) OpenZFS December 21, 2023 ZPOOL-OFFLINE(8)


Updated 2026-06-01 - jenkler.se | uex.se