NAME
nvme-wdc-namespace-resize - Resizes the device's namespace.
SYNOPSIS
nvme wdc
namespace-resize <device> [--nsid=<NAMESPACE
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 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 <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
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.