1NVME-RESV-RELEASE(1) NVMe Manual NVME-RESV-RELEASE(1)
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6 nvme-resv-release - Release an nvme reservation
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9 nvme resv-release <device> [--namespace-id=<nsid> | -n <nsid>]
10 [--crkey=<crkey> | -c <crkey>]
11 [--rtype=<rtype> | -t <rtype>]
12 [--rrela=<rrela> | -a <rrela>]
13 [--iekey | -i]
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16 The Reservation Release command is used to release or clear a
17 reservation held on a namespace.
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20 -n <nsid>, --namespace-id=<nsid>
21 Override the nsid field. If using the admin character device, this
22 parameter is required.
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24 -c <crkey>, --crkey=<crkey>
25 Current Reservation Key: If the Reservation Register Action is 001b
26 (i.e., Unregister Reservation Key) or 010b (i.e., Replace
27 Reservation Key), then this field contains the current reservation
28 key associated with the host. For all other Reservation Register
29 Action values, this field is reserved. The controller ignores the
30 value of this field when the Ignore Existing Key (IEKEY) bit is set
31 to ‘1’.
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33 -t <rtype>, --rtype=<rtype>
34 Reservation Type: This field specifies the type of reservation to
35 be created.
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37 ┌────────┬─────────────────────────┐
38 │Value │ Definition │
39 ├────────┼─────────────────────────┤
40 │0h │ Reserved │
41 ├────────┼─────────────────────────┤
42 │1h │ Write Exclusive │
43 │ │ Reservation │
44 ├────────┼─────────────────────────┤
45 │2h │ Exclusive Access │
46 │ │ Reservation │
47 ├────────┼─────────────────────────┤
48 │3h │ Write Exclusive - │
49 │ │ Registrants Only │
50 │ │ Reservation │
51 ├────────┼─────────────────────────┤
52 │4h │ Exclusive Access - │
53 │ │ Registrants Only │
54 │ │ Reservation │
55 ├────────┼─────────────────────────┤
56 │5h │ Write Exclusive - All │
57 │ │ Registrants Reservation │
58 ├────────┼─────────────────────────┤
59 │6h │ Exclusive Access - All │
60 │ │ Registrants Reservation │
61 ├────────┼─────────────────────────┤
62 │07h-FFh │ Reserved │
63 └────────┴─────────────────────────┘
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65 -a <rrela>, --rrela=<rrela>
66 Reservation Release Action: This field specifies the registration
67 action that is performed by the command.
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69 ┌──────┬────────────┐
70 │Value │ Definition │
71 ├──────┼────────────┤
72 │0 │ Release │
73 ├──────┼────────────┤
74 │1 │ Clear │
75 ├──────┼────────────┤
76 │2-7 │ Reserved │
77 └──────┴────────────┘
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79 -i, --iekey
80 Ignore Existing Key: If this bit is set to a 1, then the Current
81 Reservation Key (CRKEY) check is disabled and the command shall
82 succeed regardless of the CRKEY field value.
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84 Indicator option, defaults to 0.
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87 No examples yet
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90 Part of the nvme-user suite
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94NVMe 10/06/2023 NVME-RESV-RELEASE(1)