NVME−CMDSET−IND−I - Online Linux Manual PageSection : 1
Updated : 02/01/2023
Source : NVMe
Note : NVMe Manual
NAMEnvme-cmdset-ind-id-ns − Send NVMe I/O Command Set Independent Identify Namespace, return result and structure.
SYNOPSISnvme cmdset−ind−id−ns <device> [−−namespace−id=<nsid> | −n <nsid>]
[−b | −−raw−binary]
[−−human−readable | −H]
[−−output−format=<fmt> | −o <fmt>]
DESCRIPTIONFor the NVMe device given, sends an I/O Command Set Independent identify namespace command and provides the result and returned structure. The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1). If the character device is given, the '−−namespace−id' option is mandatory, otherwise it will use the ns−id of the namespace for the block device you opened. For block devices, the ns−id used can be overridden with the same option. On success, the structure may be returned in one of several ways depending on the option flags; the structure may be parsed by the program or the raw buffer may be printed to stdout.
OPTIONS−n <nsid>, −−namespace−id=<nsid> Retrieve the identify namespace structure for the given nsid. This is required for the character devices, or overrides the block nsid if given. −b, −−raw−binary Print the raw buffer to stdout. Structure is not parsed by program. This overrides the vendor specific and human readable options. −H, −−human−readable This option will parse and format many of the bit fields into human−readable formats. −o <format>, −−output−format=<format> Set the reporting format to normal, json, or binary. Only one output format can be used at a time.
EXAMPLES• Has the program interpret the returned buffer and display the known fields in a human readable format: # nvme cmdset−ind−id−ns /dev/nvme0n1• If using the character device or overriding namespace id: # nvme cmdset−ind−id−ns /dev/nvme0 −n 1
# nvme cmdset−ind−id−ns /dev/nvme0n1 −n 1
# nvme cmdset−ind−id−ns /dev/nvme0 −−namespace−id=1• Have the program return the raw structure in binary: # nvme cmdset−ind−id−ns /dev/nvme0n1 −−raw−binary > id_ns.raw
# nvme cmdset−ind−id−ns /dev/nvme0n1 −b > id_ns.rawIt is probably a bad idea to not redirect stdout when using this mode.
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