nvme-virt-mgmt(1) — Chainguard OS Manuals

NVME-VIRT-MGMT(1)

NVMe Manual

NVME-VIRT-MGMT(1)

NAME

nvme-virt-mgmt - Manage flexible resources between primary and secondary controller

SYNOPSIS

nvme [<global-options>] virt-mgmt <device> [--cntlid=<cntlid> | -c <cntlid>]


                        [--rt=<rt> | -r <rt>] [--act=<act> | -a <act>]


                        [--nr=<nr> | -n <nr>]

DESCRIPTION

Manage flexible resources between primary and secondary controller, return results.

The <device> parameter is mandatory and may be either the NVMe character device (ex: /dev/nvme0) or block device (ex: /dev/nvme0n1).

On success it returns 0, error code otherwise.

OPTIONS

-c <cntlid>, --cntlid=<cntlid>

Controller identifier (CNTLID)

-r <rt>, --rt=<rt>

Resource Type (RT): [0,1] 0h: VQ Resources 1h: VI Resources

-a <act>, --act=<act>

Action(ACT): [1,7,8,9] 1h: Primary Flexible 7h: Secondary Offline 8h: Secondary Assign 9h: Secondary Online

-n <nr>, --nr=<nr>

Number of controller resources (NR)

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. Other versions are rejected.

--quiet

Suppress informational messages. Errors are still reported, and --quiet cancels any --verbose for the library log level.

--set-options=<key=value>[,<key=value>...]

Set libnvme library options for this invocation. Supported keys are force-4k, mi-probe-enabled, test-base-dir and test-sysfs-dir.

--timeout=<ms>

Set the timeout for the command in milliseconds. infinite or -1 waits without a time limit (0xffffffff).

-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 issue a virt-mgmt to manage flexible resources.

# nvme virt-mgmt /dev/nvme0 -c 0 -r 1 -a 1 -n 0

NVME

Part of the nvme-user suite.

10/30/2026

NVMe