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View File Name : nvme-ocp-internal-log.html

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<body class="manpage">
<div id="header">
<h1>
nvme-ocp-internal-log(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>nvme-ocp-internal-log -
   Conditionally retrieves 07h Telemetry Host-Initiated log, C9h OCP Strings Log from an NVMe device or from user-specified file path. Takes retrieved logs and decodes into human-readable output format specified by user.
</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 ocp internal-log</em> <device>
                        [--telemetry-log=<file> | -l <file>]
                        [--string-log=<file> | -s <file>]
                        [--output-file=<file> | -o <file>]
                        [--output-format=<fmt> | -f <fmt>]
                        [--data-area=<da> | -a <da>]
                        [--telemetry-type=<type> | -t <type>]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Conditionally retrieves 07h Telemetry Host-Initiated log, C9h OCP Strings Log
from an NVMe device or from user-specified file path. Takes retrieved logs and
decodes (or) parses into human-readable output format specified by user.</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>This will only work on OCP compliant devices supporting this feature.
Results for any other device are undefined.</p></div>
<div class="paragraph"><p>On success it returns 0, error code otherwise.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-l <file>
</dt>
<dt class="hdlist1">
--telemetry-log=<file>
</dt>
<dd>
<p>
        File name to existing Telemetry Host-Initiated raw binary data to be used.
        If no path is specified, a live retrieval of payload on <device> will be
        performed.
</p>
</dd>
<dt class="hdlist1">
-s <file>
</dt>
<dt class="hdlist1">
--string-log=<file>
</dt>
<dd>
<p>
        File name to existing OCP String Log raw binary data to be used. If no path
        is specified, a live retrieval of payload on <device> will be
        performed.
</p>
</dd>
<dt class="hdlist1">
-o <file>
</dt>
<dt class="hdlist1">
--output-file=<file>
</dt>
<dd>
<p>
        Filepath name to where human-readable output data will be saved to.
</p>
</dd>
<dt class="hdlist1">
-f <fmt>
</dt>
<dt class="hdlist1">
--output-format=<fmt>
</dt>
<dd>
<p>
        Set the reporting format to <em>normal</em>, <em>json</em>. Only one output format can be
        used at a time, the default value is <em>json</em>.
</p>
</dd>
<dt class="hdlist1">
-a <da>
</dt>
<dt class="hdlist1">
--data-area=<da>
</dt>
<dd>
<p>
        Retrieves the specific data area requested. Valid inputs are 1,2. If this
        option is not specified, the default value is 1.
</p>
</dd>
<dt class="hdlist1">
-t <type>
</dt>
<dt class="hdlist1">
--telemetry-type=<type>
</dt>
<dd>
<p>
        If set to 1, controller shall capture the Telemetry Host-Initiated data
        representing the internal state of the controller at the time the associated
        Get Log Page command is processed. If cleared to 0, controller shall not
        update this data.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_examples">EXAMPLES</h2>
<div class="sectionbody">
<div class="ulist"><ul>
<li>
<p>
Retrieve in both OCP String Log and Telemetry Host-Initiated Log from
device. Decode default data-area(s) in default format and output to console.
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme ocp internal-log /dev/nvme0</code></pre>
</div></div>
</li>
<li>
<p>
Retrieve Telemetry Host-Initiated data, reads in the OCP String Log locally.
Decode default data-area(s) in default format.
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme ocp internal-log /dev/nvme0 --string-log=ocp_string_log.bin
 --output-file=output_file.json</code></pre>
</div></div>
</li>
<li>
<p>
Retrieve OCP String Log, reads in the Telemetry Host-Initiated Log locally.
Decode data-areas 1 and 2, and output in json format.
</p>
<div class="listingblock">
<div class="content">
<pre><code># nvme ocp internal-log /dev/nvme0 --telemetry-log=host_telemetry.bin
 --output-format=json --output-file=output_file.json --data-area=2</code></pre>
</div></div>
</li>
<li>
<p>
Reads in both OCP String Log and Telemetry Host-Initiated Log locally.
Decode data-areas 1 and 2, and output in normal text format.
</p>
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<div class="content">
<pre><code># nvme ocp internal-log /dev/nvme0 --string-log=ocp_string_log.bin
 --telemetry-log=host_telemetry.bin --output-format=normal
 --output-file=output_file.txt --data-area=2</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 the nvme-user suite</p></div>
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<div id="footnotes"><hr /></div>
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<div id="footer-text">
Last updated
 2025-02-13 00:00:00 UTC
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