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+<body class="manpage">
+<div id="header">
+<h1>
+nvme-list-subsys(1) Manual Page
+</h1>
+<h2>NAME</h2>
+<div class="sectionbody">
+<p>nvme-list-subsys -
+ List all NVMe subsystems
+</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-subsys</em> [-o <fmt> | --output-format=<fmt>] <device></pre>
+<div class="attribution">
+</div></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_description">DESCRIPTION</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Scan the sysfs tree for NVM Express subsystems and return the controllers
+for those subsystems as well as some pertinent information about them.
+If a device is given, print out only the values for the controllers
+and subsystems leading to the device.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_options">OPTIONS</h2>
+<div class="sectionbody">
+<div class="dlist"><dl>
+<dt class="hdlist1">
+-o <format>
+</dt>
+<dt class="hdlist1">
+--output-format=<format>
+</dt>
+<dd>
+<p>
+ Set the reporting format to <em>normal</em> or <em>json</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>
+<div class="sectionbody">
+<div class="verseblock">
+<pre class="content"><a href="mailto:root@host">root@host</a># nvme list-subsys
+nvme-subsys0 - NQN=nvmf-test
+\
+ +- nvme0 rdma traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.1
+ +- nvme1 rdma traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.2
+nvme-subsys1 - NQN=nvmf-test2
+\
+ +- nvme2 rdma traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.2
+ +- nvme3 rdma traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.1</pre>
+<div class="attribution">
+</div></div>
+<div class="verseblock">
+<pre class="content"><a href="mailto:root@host">root@host</a># nvme list-subsys -o json
+{
+ "Subsystems" : [
+ {
+ "Name" : "nvme-subsys0",
+ "NQN" : "nvmf-test"
+ },
+ {
+ "Paths" : [
+ {
+ "Name" : "nvme0",
+ "Transport" : "rdma",
+ "Address" : "traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.1"
+ },
+ {
+ "Name" : "nvme1",
+ "Transport" : "rdma",
+ "Address" : "traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.2"
+ }
+ ]
+ },
+ {
+ "Name" : "nvme-subsys1",
+ "NQN" : "nvmf-test2"
+ },
+ {
+ "Paths" : [
+ {
+ "Name" : "nvme2",
+ "Transport" : "rdma",
+ "Address" : "traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.2"
+ },
+ {
+ "Name" : "nvme3",
+ "Transport" : "rdma",
+ "Address" : "traddr=1.1.1.3 trsvcid=4420 host_traddr=1.1.1.1"
+ }
+ ]
+ }
+ ]
+}</pre>
+<div class="attribution">
+</div></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 2018-11-16 09:53:53 MST
+</div>
+</div>
+</body>
+</html>
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