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ZPOOL-OFFLINE(8) FreeBSD 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) FreeBSD 14.1-RELEASE-p8 August 9, 2019 FreeBSD 14.1-RELEASE-p8