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<body class="manpage">
<div id="header">
<h1>
nvme-self-test-log(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-self-test-log -
   Retrieve the log information initiated by device-self-test and display it
</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 self-test</em>-log <device> [--log-entries=<entries> | -e <entries>]
                        [--output-format=<fmt> | -o <fmt>] [--verbose | -v]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Retrieves the log pages from an NVMe device corresponding to the
requested self-test by the user and provides 20-most recent result
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).</p></div>
<div class="paragraph"><p>On success, the returned log structure may be returned in one of
several ways depending on the option flags; the structure may parsed by
the program and printed in a readable format or the raw buffer or the
json format.</p></div>
<div class="paragraph"><p>By default the log is printed out in the normal readable format.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_option">OPTION</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-e <entries>
</dt>
<dt class="hdlist1">
--log-entries=<entries>
</dt>
<dd>
<p>
        Specifies how many DST log entries the program should request from
        the device. This must be at least one, and shouldn’t exceed the
        20 entries. Defaults to 20 DST log entries.
</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>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Get the self-test-log and print it in a human readable format:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme self-test-log /dev/nvme0</code></pre>
</div></div>
</li>
<li>
<p>
Print the raw output to a file:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme self-test-log /dev/nvme0 -o "binary"</code></pre>
</div></div>
</li>
<li>
<p>
Get the self-test-log and print it in a json format:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme self-test-log /dev/nvme0 -o "json"</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
</div>
</div>
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