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

NAME  SYNOPSIS  DESCRIPTION  OPTIONS  EXAMPLES  NVME 

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NAME

nvme-wdc-namespace-resize − Resizes the device's namespace.

SYNOPSIS

nvme wdc namespace−resize <device> [−−nsid=<NAMSPACE ID>, −n <NAMSPACE ID>] [−−op_option=<OP OPTION>, −o <OP OPTION>]

DESCRIPTION

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

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

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

OPTIONS

−n <NAMSPACE ID>, −−namespace−id=<NAMSPACE_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

EXAMPLES

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

# nvme wdc namespace−resize /dev/nvme0 −n 1 −o 3

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

# nvme wdc namespace−resize /dev/nvme0 −−namespace−id=2 −−op−option=1

NVME

Part of the nvme−user suite.

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