Man page - zpool-online(8)
Manual
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 device
…
zpool online
[
--power
] [
-e
]
pool
device
…
DESCRIPTION
zpool offline
[
--power
|[
-ft
]]
pool
device
…
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 device …
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 August 9, 2019 ZPOOL-OFFLINE (8)