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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-02 20:40:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-07-02 20:40:30 +0000 |
| commit | dc597ce8df5ae6efd2728a2d7ba7d92486028f79 (patch) | |
| tree | 55b9e9257eba4579667f9522368aa29f5be6754a /Documentation/nvme-wdc-namespace-resize.txt | |
| parent | Initial commit. (diff) | |
| download | nvme-cli-dc597ce8df5ae6efd2728a2d7ba7d92486028f79.tar.xz nvme-cli-dc597ce8df5ae6efd2728a2d7ba7d92486028f79.zip | |
Adding upstream version 1.12.upstream/1.12
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/nvme-wdc-namespace-resize.txt')
| -rw-r--r-- | Documentation/nvme-wdc-namespace-resize.txt | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/Documentation/nvme-wdc-namespace-resize.txt b/Documentation/nvme-wdc-namespace-resize.txt new file mode 100644 index 0000000..288430f --- /dev/null +++ b/Documentation/nvme-wdc-namespace-resize.txt @@ -0,0 +1,56 @@ +nvme-wdc-namespace-resize(1) +============================ + +NAME +---- +nvme-wdc-namespace-resize - Resizes the device's namespace. + +SYNOPSIS +-------- +[verse] +'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 orginal TNVMCAP reported value: ++ +------------ +# nvme wdc namespace-resize /dev/nvme0 -n 1 -o 3 +------------ +* Resizes namespace 2 to 7% of the orginal TNVMCAP reported value: ++ +------------ +# nvme wdc namespace-resize /dev/nvme0 --namespace-id=2 --op-option=1 +------------ + +NVME +---- +Part of the nvme-user suite. |