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<h1>
nvme-wdc-namespace-resize(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-wdc-namespace-resize -
   Resizes the device's namespace.
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><em>nvme wdc namespace-resize</em> &lt;device&gt; [--nsid=&lt;NAMESPACE ID&gt;, -n &lt;NAMSPACE ID&gt;]
                        [--op_option=&lt;OP OPTION&gt;, -o &lt;OP OPTION&gt;]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>For the NVMe device given, sends the WDC Vendor Specific Command that modifies
the namespace size reported the device.</p></div>
<div class="paragraph"><p>The &lt;device&gt; parameter is mandatory NVMe character device (ex: /dev/nvme0).</p></div>
<div class="paragraph"><p>This will only work on WDC devices supporting this feature.
Results for any other device are undefined.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-n &lt;NAMESPACE ID&gt;
</dt>
<dt class="hdlist1">
--namespace-id=&lt;NAMESPACE_ID&gt;
</dt>
<dd>
<p>
        Namespace ID; ID of the namespace to resize
</p>
</dd>
<dt class="hdlist1">
-o &lt;OP OPTION&gt;
</dt>
<dt class="hdlist1">
--op-option=&lt;OP OPTION&gt;
</dt>
<dd>
<p>
        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
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Resizes namespace 1 to 50% of the original TNVMCAP reported value:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme wdc namespace-resize /dev/nvme0 -n 1 -o 3</code></pre>
</div></div>
</li>
<li>
<p>
Resizes namespace 2 to 7% of the original TNVMCAP reported value:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme wdc namespace-resize /dev/nvme0 --namespace-id=2 --op-option=1</code></pre>
</div></div>
</li>
</ul></div>
</div>
</div>
<div class="sect1">
<h2 id="_nvme">NVME</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of the nvme-user suite.</p></div>
</div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated
 2025-11-19 00:00:00 UTC
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