You can use the device options of the vmkfstools command to perform administrative task for physical storage devices. What to read next 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