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NVME-SNDK-NAMESPAC(1) NVMe Manual NVME-SNDK-NAMESPAC(1)

NAME

nvme-sndk-namespace-resize - Resizes the device's namespace.

SYNOPSIS

nvme [<global-options>] sndk namespace-resize <device>


                        [--nsid=<NAMESPACE ID>, -n <NAMSPACE ID>]


                        [--op-option=<OP OPTION>, -O <OP OPTION>]

DESCRIPTION

For the NVMe device given, sends the sndk Vendor Specific Command that modifies the namespace size reported the device.

The <device> parameter is mandatory NVMe character device (ex: /dev/nvme0).

This will only work on Sandisk devices supporting this feature. Results for any other device are undefined.

OPTIONS

-n <NAMESPACE ID>, --namespace-id=<NAMESPACE_ID>

Namespace ID; ID of the namespace to resize

-O <OP OPTION>, --op-option=<OP OPTION>

Overprovisioning Option; defaults to 0xF Valid Values: 0x1 - 7% of Original TNVMCAP reported value 0x2 - 28% of Original TNVMCAP reported value 0x3 - 50% of Original TNVMCAP reported value 0xF - 0% of Original TNVMCAP reported value (original config) All other values - reserved

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

•Resizes namespace 1 to 50% of the original TNVMCAP reported value: 

# nvme sndk namespace-resize /dev/nvme0 -n 1 -O 3

•Resizes namespace 2 to 7% of the original TNVMCAP reported value: 

# nvme sndk namespace-resize /dev/nvme0 --namespace-id=2 --op-option=1

NVME

Part of the nvme-user suite.

07/31/2026 NVMe