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<body class="manpage">
<div id="header">
<h1>
nvme-zns-report-zones(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-zns-report-zones -
   Retrieve and display the Report Zones data 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 zns report-zones</em> &lt;device&gt; [--namespace-id=&lt;NUM&gt; | -n &lt;NUM&gt;]
                                 [--start-lba=&lt;IONUM&gt; | -s &lt;IONUM&gt;]
                                 [--descs=&lt;NUM&gt; | -d &lt;NUM&gt;]
                                 [--state=&lt;NUM&gt; | -S &lt;NUM&gt;]
                                 [--extended | -e]
                                 [--partial | -p]
                                 [--verbose | -v]
                                 [--output-format=&lt;fmt&gt; | -o &lt;fmt&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 Zone Management Receive command with the
Zone Receive Action set to either Report Zones or Extended Report Zones,
depending on the <em>extended</em> option.</p></div>
<div class="paragraph"><p>The &lt;device&gt; parameter is mandatory and may be either the NVMe character
device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).</p></div>
<div class="paragraph"><p>On success, the data structure returned by the device will be decoded and
displayed in one of several ways.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-n &lt;NUM&gt;
</dt>
<dt class="hdlist1">
--namespace-id=&lt;NUM&gt;
</dt>
<dd>
<p>
        Use the provided namespace id for the command. If not provided, the
        namespace id of the block device will be used. If the command is issued
        to a non-block device, the parameter is required.
</p>
</dd>
<dt class="hdlist1">
-s &lt;lba&gt;
</dt>
<dt class="hdlist1">
--start-lba=&lt;lba&gt;
</dt>
<dd>
<p>
        The starting LBA of the zone to begin the report
</p>
</dd>
<dt class="hdlist1">
-d &lt;NUM&gt;
</dt>
<dt class="hdlist1">
--descs=&lt;NUM&gt;
</dt>
<dd>
<p>
        The number of descriptors to request in the report.
</p>
</dd>
<dt class="hdlist1">
-S &lt;NUM&gt;
</dt>
<dt class="hdlist1">
--state=&lt;NUM&gt;
</dt>
<dd>
<p>
        The state of zones to request in the report. Known values include:
</p>
<div class="tableblock">
<table rules="all"
width="100%"
frame="border"
cellspacing="0" cellpadding="4">
<col width="50%" />
<col width="50%" />
<tbody>
<tr>
<td align="left" valign="top"><p class="table">Value</p></td>
<td align="left" valign="top"><p class="table">Definition</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">0</p></td>
<td align="left" valign="top"><p class="table">List all zones (default)</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">1</p></td>
<td align="left" valign="top"><p class="table">Empty State</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">2</p></td>
<td align="left" valign="top"><p class="table">Implicitly Opened State</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">3</p></td>
<td align="left" valign="top"><p class="table">Explicitly Opened State</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">4</p></td>
<td align="left" valign="top"><p class="table">Closed State</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">5</p></td>
<td align="left" valign="top"><p class="table">Full State</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">6</p></td>
<td align="left" valign="top"><p class="table">Read Only State</p></td>
</tr>
<tr>
<td align="left" valign="top"><p class="table">7</p></td>
<td align="left" valign="top"><p class="table">Offline State</p></td>
</tr>
</tbody>
</table>
</div>
</dd>
<dt class="hdlist1">
-e
</dt>
<dt class="hdlist1">
--extended
</dt>
<dd>
<p>
        Request to use the Extended Report Zones option. The extended data is
        not decoded.
</p>
</dd>
<dt class="hdlist1">
-p
</dt>
<dt class="hdlist1">
--partial
</dt>
<dd>
<p>
        If set, the device will return the number of zones that match the state
        rather than the number of zones returned in the report.
</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">
-o &lt;fmt&gt;
</dt>
<dt class="hdlist1">
--output-format=&lt;fmt&gt;
</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>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
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<div class="ulist"><ul>
<li>
<p>
Has the program interpret the report for 16 zones, and display the known
fields in a human readable format:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme zns report-zones /dev/nvme0 -n 1 -d 16</code></pre>
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</li>
<li>
<p>
Show the output in json format with extra details
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme zns report-zones /dev/nvme0 -n 1 -d 16 -o json</code></pre>
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</li>
</ul></div>
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<div class="sect1">
<h2 id="_nvme">NVME</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of nvme-cli</p></div>
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</div>
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<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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