Provided by: zfsutils-linux_2.3.1-1ubuntu2_amd64 

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)