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NVME-ZNS-ID-CTRL(1) NVMe Manual NVME-ZNS-ID-CTRL(1)

NAME

nvme-zns-id-ctrl - Send NVMe Zoned Command Set Identify Controller, return result and structure

SYNOPSIS

nvme [<global-options>] zns id-ctrl <device>

DESCRIPTION

For the NVMe device given, sends the zoned command set’s identify controller 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).

On success, the data structure returned by the device will be decoded and displayed in one of several ways.

OPTIONS

GLOBAL OPTIONS

The following options are defined at the top-level nvme command and are available to this subcommand:

--dry-run

Print the command that would be executed, but do not actually execute it.

--no-ioctl-probing

Disable probing for 64-bit IOCTL support.

--no-retries

Disable retry logic on transient errors.

-o <fmt>, --output-format=<fmt>

Set the reporting format to normal, tabular, 'json, or binary. Only one output format may be used at a time.

--output-format-version=<version>

Select the output format version. Version 1 uses the original field naming, while version 2 (default) provides more consistent and script-friendly field names.

--timeout=<ms>

Set the timeout for the command in milliseconds.

-v, --verbose

Increase the level of detail in the output. May be specified multiple times to further increase verbosity.

These options can also be set as machine-wide defaults in nvme-cli.conf(5). A command-line flag always overrides the file.

EXAMPLES

•Has the program interpret the returned buffer and display the known fields in a human readable format: 

# nvme zns id-ctrl /dev/nvme0

•Show the output in json format 

# nvme zns id-ctrl /dev/nvme0 -o json

NVME

Part of nvme-cli

07/31/2026 NVMe