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NVME-FLUSH(1) NVMe Manual NVME-FLUSH(1)

NAME

nvme-flush - Flush command.

SYNOPSIS

nvme [<global-options>] flush <device> [--namespace-id=<nsid> | -n <nsid>]

DESCRIPTION

The Flush command shall commit data and metadata associated with the specified namespace(s) to nonvolatile media. The flush applies to all commands completed prior to the submission of the Flush command. The controller may also flush additional data and/or metadata from any namespace.

OPTIONS

-n <nsid>, --namespace-id=<nsid>

Specify the optional namespace id for this command. Defaults to 0xffffffff, indicating flush for all namespaces.

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

No examples yet.

NVME

Part of the nvme-user suite

07/31/2026 NVMe