NVME-ATTACH-NS(1) NVMe Manual NVME-ATTACH-NS(1)

nvme-attach-ns - Send NVMe attach namespace, return result.

nvme attach-ns <device> [--namespace-id=<nsid> | -n <nsid>]
                        [--controllers=<ctrl-list,> | -c <ctrl-list,>]
                        [--output-format=<fmt> | -o <fmt>] [--verbose | -v]

For the NVMe device given, sends the nvme namespace attach command for the provided namespace identifier, attaching to the provided list of controller identifiers.

The <device> parameter is mandatory NVMe character device (ex: /dev/nvme0) but not a namespace block device (ex: /dev/nvme0n1).

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

The namespace identifier to attach but not attached already.

-c <ctrl-list,>, -controllers=<ctrl-list,>

The comma separated list of controller identifiers to attach the namespace too. If no list is provided, the namespace will be attached to the <device> controller used for this command.

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

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

-v, --verbose

Increase the information detail in the output.

Attach namespace 2 to the controllers with id 0x21 and 0x22:
# nvme attach-ns /dev/nvme1 -n 0x2 -c 0x21,0x22
Attach namespace 3 to nvme0:
# nvme attach-ns /dev/nvme0 -n 3

Part of the nvme-user suite

07/09/2025 NVMe