NVME-RESV-ACQUIRE(1) NVMe Manual NVME-RESV-ACQUIRE(1) (NAME) nvme-resv-acquire - (Reservation Acquire) NVMe (SYNOPSIS) nvme resv-acquire [--namespace-id= | -n ] [--crkey= | -c ] [--prkey= | -p ] [--rtype= | -t ] [--racqa= | -a ] [--iekey | -i] [--output-format= | -o ] [--verbose | -v] [--timeout=] (DESCRIPTION) Reservation Acquire (namespace) (preempt) . (OPTIONS) -n , --namespace-id= nsid. (admin character device) . -c , --crkey= (Current Reservation Key): . IEKEY `1' CRKEY . -p , --prkey= (Preempt Reservation Key): (Reservation Acquire Action) 001b ( Preempt ) 010b ( Preempt and Abort ) . . -t , --rtype= (Reservation Type): . +----------------+-----------------------------------------------+ | | | +----------------+-----------------------------------------------+ |0h | | +----------------+-----------------------------------------------+ |1h | | | | (Write Exclusive | | | Reservation) | +----------------+-----------------------------------------------+ |2h | | | | (Exclusive Access | | | Reservation) | +----------------+-----------------------------------------------+ |3h | | | | - | | | | | | (Write Exclusive - Registrants Only | | | Reservation) | +----------------+-----------------------------------------------+ |4h | | | | - | | | | | | (Exclusive Access - Registrants Only | | | Reservation) | +----------------+-----------------------------------------------+ |5h | | | | - | | | | | | (Write Exclusive - All Registrants | | | Reservation) | +----------------+-----------------------------------------------+ |6h | | | | - | | | | | | (Exclusive Access - All Registrants | | | Reservation) | +----------------+-----------------------------------------------+ |07h-FFh | | +----------------+-----------------------------------------------+ -a , --racqa= (Reservation Acquire Action): . +----------------+--------------------------------+ | | | +----------------+--------------------------------+ |0 | | | | (Acquire) | +----------------+--------------------------------+ |1 | | | | | | | (Preempt) | +----------------+--------------------------------+ |2 | | | | | | | (Preempt and | | | Abort) | +----------------+--------------------------------+ |3-7 | | +----------------+--------------------------------+ -i, --iekey (Ignore Existing Key): 1 (CRKEY) CRKEY . 0. -o , --output-format= normal json binary. . -v, --verbose . --timeout= (timeout) . (EXAMPLES) . NVME nvme-user NVMe 02/16/2026 NVME-RESV-ACQUIRE(1)