1NVME-WDC-NAMESPACE(1)             NVMe Manual            NVME-WDC-NAMESPACE(1)
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NAME

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

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

12       For the NVMe device given, sends the WDC Vendor Specific Command that
13       modifies the namespace size reported by the device.
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15       The <device> parameter is mandatory NVMe character device (ex:
16       /dev/nvme0).
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18       This will only work on WDC devices supporting this feature. Results for
19       any other device are undefined.
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OPTIONS

22       -n <NAMSPACE ID>, --namespace-id=<NAMSPACE_ID>
23           Namespace ID; ID of the namespace to resize
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25       -o <OP OPTION>, --op-option=<OP OPTION>
26           Overprovisioning Option; defaults to 0xF
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28               Valid Values:
29               0x1 - 7% of Original TNVMCAP reported value
30               0x2 - 28% of Original TNVMCAP reported value
31               0x3 - 50% of Original TNVMCAP reported value
32               0xF - 0% of Original TNVMCAP reported value (original config)
33               All other values - reserved
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EXAMPLES

36       •   Resizes namespace 1 to 50% of the original TNVMCAP reported value:
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38               # nvme wdc namespace-resize /dev/nvme0 -n 1 -o 3
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40       •   Resizes namespace 2 to 7% of the original TNVMCAP reported value:
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42               # nvme wdc namespace-resize /dev/nvme0 --namespace-id=2 --op-option=1
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NVME

45       Part of the nvme-user suite.
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49NVMe                              11/04/2022             NVME-WDC-NAMESPACE(1)
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