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<body class="manpage">
<div id="header">
<h1>
nvme-id-ns(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-list-ns -
   Send NVMe Identify List Namespaces, return result and structure
</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 list-ns</em> <device> [--namespace-id=<nsid> | -n <nsid>]
                        [--csi=<command_set_identifier> | -y <command_set_identifier>]
                        [--all | -a]
                        [--output-format=<fmt> | -o <fmt>] [--verbose | -v]
                        [--timeout=<timeout> | -t <timeout>]</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 an identify command for namespace list
and provides the result and returned structure.</p></div>
<div class="paragraph"><p>The <device> parameter is mandatory and may be either the NVMe character
device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).
If the starting namespace in the list always begins with 0 unless the
<code>'--namespace-id'</code> option is given to override.</p></div>
<div class="paragraph"><p>On success, the namespace array is printed for each index and nsid for
a valid nsid.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-n <nsid>
</dt>
<dt class="hdlist1">
--namespace-id=<nsid>
</dt>
<dd>
<p>
        Retrieve the identify list structure starting with the given nsid.
</p>
</dd>
<dt class="hdlist1">
-y <command_set_identifier>
</dt>
<dt class="hdlist1">
--csi=<command_set_identifier>
</dt>
<dd>
<p>
        If this value is given, retrieve the identify list structure associated
        with the specified I/O command set.
</p>
</dd>
<dt class="hdlist1">
-a
</dt>
<dt class="hdlist1">
--all
</dt>
<dd>
<p>
        Retrieve the identify list structure for all namespaces in the
        subsystem, whether attached or inactive.
</p>
</dd>
<dt class="hdlist1">
-o <fmt>
</dt>
<dt class="hdlist1">
--output-format=<fmt>
</dt>
<dd>
<p>
        Set the reporting format to <em>normal</em>, <em>json</em> or <em>binary</em>. Only one
        output format can be used at a time.
</p>
</dd>
<dt class="hdlist1">
-v
</dt>
<dt class="hdlist1">
--verbose
</dt>
<dd>
<p>
        Increase the information detail in the output.
</p>
</dd>
<dt class="hdlist1">
-t <timeout>
</dt>
<dt class="hdlist1">
--timeout=<timeout>
</dt>
<dd>
<p>
        Override default timeout value. In milliseconds.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Print the namespaces present for zoned command set in JSON format
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme list-ns /dev/nvme0 -y 2 -a -o json</code></pre>
</div></div>
</li>
<li>
<p>
Print the namespaces present for NVM Command Set in normal format
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme list-ns /dev/nvme0</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
 2025-02-13 00:00:00 UTC
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