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<body class="manpage">
<div id="header">
<h1>
nvme-sndk-vs-internal-log(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-sndk-vs-internal-log -
   Retrieve sndk device's internal firmware log and save to file.
</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 sndk vs-internal-log</em> &lt;device&gt; [--output-file=&lt;FILE&gt;, -o &lt;FILE&gt;]
                        [--transfer-size=&lt;SIZE&gt;, -s &lt;SIZE&gt;]
                        [--data-area=&lt;DATA AREA&gt;, -d &lt;DATA_AREA&gt;]
                        [--file-size=&lt;FILE SIZE&gt;, -f &lt;FILE SIZE&gt;]
                        [--offset=&lt;OFFSET&gt;, -e &lt;OFFSET&gt;]
                        [--type=&lt;TYPE&gt;, -t &lt;type&gt;] [--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>For the NVMe device given, sends the sndk Vendor Specific Internal Log request
and saves the result to a file.</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 Sandisk 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">
-o &lt;FILE&gt;
</dt>
<dt class="hdlist1">
--output-file=&lt;FILE&gt;
</dt>
<dd>
<p>
        Output file; defaults to device serial number followed by
        "<em>internal_fw_log</em>&lt;date&gt;_&lt;time&gt;.bin" suffix
</p>
</dd>
<dt class="hdlist1">
-s &lt;SIZE&gt;
</dt>
<dt class="hdlist1">
--transfer-size=&lt;SIZE&gt;
</dt>
<dd>
<p>
        Transfer size; defaults to 0x10000 (65536 decimal) bytes
</p>
</dd>
<dt class="hdlist1">
-d &lt;DATA AREA&gt;
</dt>
<dt class="hdlist1">
--data-area=&lt;DATA AREA&gt;
</dt>
<dd>
<p>
        DUI data area to retrieve. The DUI data areas from 1 to &lt;DATA AREA&gt; will
        be retrieved. This parameter is currently only supported on the SN340,
        SN640, SN730, and SN840 devices.
</p>
</dd>
<dt class="hdlist1">
-f &lt;FILE SIZE&gt;
</dt>
<dt class="hdlist1">
--file-size=&lt;FILE SIZE&gt;
</dt>
<dd>
<p>
        Specifies the desired size of the data file starting at the passed in
        offset. This allows the user to retrieve the data in several smaller
        files of the passed in size. This parameter is currently only supported
        on the SN340 device.
</p>
</dd>
<dt class="hdlist1">
-e &lt;OFFSET&gt;
</dt>
<dt class="hdlist1">
--offset=&lt;OFFSET&gt;
</dt>
<dd>
<p>
        Specifies the data offset at which to start retrieving the data. This
        parameter is used in combination with the file size parameter to
        retrieve the data in several smaller files. This parameter is currently
        only supported on the SN340 device.
</p>
</dd>
<dt class="hdlist1">
-t &lt;TYPE&gt;
</dt>
<dt class="hdlist1">
--type=&lt;TYPE&gt;
</dt>
<dd>
<p>
        Specifies the telemetry type - NONE, HOST, or CONTROLLER. This parameter
        is used to get either the host generated or controller initiated
        telemetry log page. If not specified or none is specified, the command
        will return the default E6 log data. This parameter is currently only
        supported on the SN640 and SN840 devices.
</p>
</dd>
<dt class="hdlist1">
-v &lt;VERBOSE&gt;
</dt>
<dt class="hdlist1">
--verbose=&lt;VERBOSE&gt;
</dt>
<dd>
<p>
        Provides additional debug messages for certain drives.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Gets the internal firmware log from the device and saves to default file in current directory (e.g. STM00019F3F9_internal_fw_log_20171127_095704.bin):
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme0</code></pre>
</div></div>
</li>
<li>
<p>
Gets the internal firmware log from the device and saves to defined file in current directory (e.g. test.bin):
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme0 -o test.bin</code></pre>
</div></div>
</li>
<li>
<p>
Gets the internal firmware log from the device and saves to defined file with pathname (e.g. /tmp/test):
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme0 -o /tmp/test</code></pre>
</div></div>
</li>
<li>
<p>
Gets the internal firmware log from the device transferring the data in 64k chunks and saves to default file in current directory (e.g. STM00019F3F9_internal_fw_log_20171127_100754.bin):
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme0 -s 0x10000</code></pre>
</div></div>
</li>
<li>
<p>
Gets the internal firmware log from the device transferring the data in 16k chunks and saves to default file in current directory (e.g. STM00019F3F9_internal_fw_log_20171127_100950.bin):
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme0 -s 16384</code></pre>
</div></div>
</li>
<li>
<p>
Gets the internal firmware log up to data area 3 from the device in 3 files of 0x1000000 bytes:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme0 -d 3 -f 0x1000000 -t 0x0000000 -o /tmp/sn340_dui_data_1.bin
# nvme sndk vs-internal-log /dev/nvme0 -d 3 -f 0x1000000 -t 0x1000000 -o /tmp/sn340_dui_data_2.bin
# nvme sndk vs-internal-log /dev/nvme0 -d 3 -f 0x1000000 -t 0x2000000 -o /tmp/sn340_dui_data_3.bin</code></pre>
</div></div>
</li>
<li>
<p>
Gets the host telemetry log page to data area 3 from the device and stores it in file host-telem-log-da3.bin:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme1 -t host -o host-telem-log-da3.bin -d 3</code></pre>
</div></div>
</li>
<li>
<p>
Gets the controller telemetry log page to data area 3 from the device and stores it in file ctlr-telem-log-da3.bin:
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme sndk vs-internal-log /dev/nvme1 -t controller -o ctlr-telem-log-da3.bin -d 3</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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