57 lines
1.4 KiB
Text
57 lines
1.4 KiB
Text
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nvme-wdc-namespace-resize(1)
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============================
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NAME
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----
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nvme-wdc-namespace-resize - Resizes the device's namespace.
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SYNOPSIS
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--------
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[verse]
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'nvme wdc namespace-resize' <device> [--nsid=<NAMSPACE ID>, -n <NAMSPACE ID>] [--op_option=<OP OPTION>, -o <OP OPTION>]
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DESCRIPTION
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-----------
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For the NVMe device given, sends the WDC Vendor Specific Command that modifies the namespace size reported
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by the device.
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The <device> parameter is mandatory NVMe character device (ex: /dev/nvme0).
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This will only work on WDC devices supporting this feature.
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Results for any other device are undefined.
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OPTIONS
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-------
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-n <NAMSPACE ID>::
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--namespace-id=<NAMSPACE_ID>::
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Namespace ID; ID of the namespace to resize
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-o <OP OPTION>::
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--op-option=<OP OPTION>::
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Overprovisioning Option; defaults to 0xF
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Valid Values:
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0x1 - 7% of Original TNVMCAP reported value
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0x2 - 28% of Original TNVMCAP reported value
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0x3 - 50% of Original TNVMCAP reported value
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0xF - 0% of Original TNVMCAP reported value (original config)
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All other values - reserved
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EXAMPLES
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--------
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* Resizes namespace 1 to 50% of the orginal TNVMCAP reported value:
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+
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------------
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# nvme wdc namespace-resize /dev/nvme0 -n 1 -o 3
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------------
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* Resizes namespace 2 to 7% of the orginal TNVMCAP reported value:
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+
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------------
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# nvme wdc namespace-resize /dev/nvme0 --namespace-id=2 --op-option=1
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------------
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NVME
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----
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Part of the nvme-user suite.
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