You can use the device options of the vmkfstools command to perform administrative task for physical storage devices. Managing SCSI Reservations of LUNsUse the vmkfstools command to reserve a SCSI LUN for exclusive use by the ESXi host. You can also release a reservation so that other hosts can access the LUN, and reset a reservation, forcing all reservations from the target to be released. Breaking Device LocksUse the vmkfstools command to break the device lock on a particular partition. Parent topic: The vmkfstools Command Options