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download PDF document: zpool-clear.8.pdf

ZPOOL-CLEAR(8) FreeBSD System Manager's Manual ZPOOL-CLEAR(8)
NAME zpool-clear - clear device errors in ZFS storage pool
SYNOPSIS zpool clear [--power] pool [device]<?>
DESCRIPTION Clears device errors in a pool. If no arguments are specified, all device errors within the pool are cleared. If one or more devices is specified, only those errors associated with the specified device or devices are cleared.
If the pool was suspended it will be brought back online provided the devices can be accessed. Pools with multihost enabled which have been suspended cannot be resumed when there is evidence that the pool was imported by another host. The same checks performed during an import will be applied before the clear proceeds.
--power Power on the devices's slot in the storage enclosure and wait for the device to show up before attempting to clear errors. This is done on all the devices specified. Alternatively, you can set the ZPOOL_AUTO_POWER_ON_SLOT environment variable to always enable this behavior. Note: This flag currently works on Linux only.
SEE ALSO zdb(8), zpool-reopen(8), zpool-status(8)
FreeBSD 14.2-RELEASE May 27, 2021 FreeBSD 14.2-RELEASE