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+<h1>
+nvme-connect-all(1) Manual Page
+</h1>
+<h2>NAME</h2>
+<div class="sectionbody">
+<p>nvme-connect-all -
+ Discover and Connect to Fabrics controllers.
+</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 connect-all</em>
+ [--transport=<trtype> | -t <trtype>]
+ [--traddr=<traddr> | -a <traddr>]
+ [--trsvcid=<trsvcid> | -s <trsvcid>]
+ [--host-traddr=<traddr> | -w <traddr>]
+ [--hostnqn=<hostnqn> | -q <hostnqn>]
+ [--hostid=<hostid> | -I <hostid>]
+ [--raw=<filename> | -r <filename>]
+ [--keep-alive-tmo=<#> | -k <#>]
+ [--reconnect-delay=<#> | -c <#>]
+ [--ctrl-loss-tmo=<#> | -l <#>]
+ [--hdr-digest | -g]
+ [--data-digest | -G]
+ [--nr-io-queues=<#> | -i <#>]
+ [--nr-write-queues=<#> | -W <#>]
+ [--nr-poll-queues=<#> | -P <#>]
+ [--queue-size=<#> | -Q <#>]
+ [--matching | -m]
+ [--persistent | -p]
+ [--quiet | -q]</pre>
+<div class="attribution">
+</div></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_description">DESCRIPTION</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>Send one or more Discovery requests to a NVMe over Fabrics Discovery
+Controller, and create controllers for the returned discovery records.</p></div>
+<div class="paragraph"><p>If no parameters are given, then <em>nvme connect-all</em> will attempt to
+find a /etc/nvme/discovery.conf file to use to supply a list of
+connect-all commands to run. If no /etc/nvme/discovery.conf file exists,
+the command will quit with an error.</p></div>
+<div class="paragraph"><p>Otherwise a specific Discovery Controller should be specified using the
+--transport, --traddr and if necessary the --trsvcid and a Diѕcovery
+request will be sent to the specified Discovery Controller.</p></div>
+<div class="paragraph"><p>See the documentation for the nvme-discover(1) command for further
+background.</p></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_options">OPTIONS</h2>
+<div class="sectionbody">
+<div class="dlist"><dl>
+<dt class="hdlist1">
+-t <trtype>
+</dt>
+<dt class="hdlist1">
+--transport=<trtype>
+</dt>
+<dd>
+<p>
+ This field specifies the network fabric being used for
+ a NVMe-over-Fabrics network. Current string 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">rdma</p></td>
+<td align="left" valign="top"><p class="table">The network fabric is an rdma network (RoCE, iWARP, Infiniband, basic rdma, etc)</p></td>
+</tr>
+<tr>
+<td align="left" valign="top"><p class="table">fc</p></td>
+<td align="left" valign="top"><p class="table"><strong>WIP</strong> The network fabric is a Fibre Channel network.</p></td>
+</tr>
+<tr>
+<td align="left" valign="top"><p class="table">loop</p></td>
+<td align="left" valign="top"><p class="table">Connect to a NVMe over Fabrics target on the local host</p></td>
+</tr>
+</tbody>
+</table>
+</div>
+</dd>
+<dt class="hdlist1">
+-a <traddr>
+</dt>
+<dt class="hdlist1">
+--traddr=<traddr>
+</dt>
+<dd>
+<p>
+ This field specifies the network address of the Discovery Controller.
+ For transports using IP addressing (e.g. rdma) this should be an
+ IP-based address (ex. IPv4).
+</p>
+</dd>
+<dt class="hdlist1">
+-s <trsvcid>
+</dt>
+<dt class="hdlist1">
+--trsvcid=<trsvcid>
+</dt>
+<dd>
+<p>
+ This field specifies the transport service id. For transports using IP
+ addressing (e.g. rdma) this field is the port number. By default, the IP
+ port number for the RDMA transport is 4420.
+</p>
+</dd>
+<dt class="hdlist1">
+-w <traddr>
+</dt>
+<dt class="hdlist1">
+--host-traddr=<traddr>
+</dt>
+<dd>
+<p>
+ This field specifies the network address used on the host to connect
+ to the Discovery Controller.
+</p>
+</dd>
+<dt class="hdlist1">
+-q <hostnqn>
+</dt>
+<dt class="hdlist1">
+--hostnqn=<hostnqn>
+</dt>
+<dd>
+<p>
+ Overrides the default Host NQN that identifies the NVMe Host.
+ If this option is not specified, the default is read from
+ /etc/nvme/hostnqn first. If that does not exist, the autogenerated
+ NQN value from the NVMe Host kernel module is used next.
+ The Host NQN uniquely identifies the NVMe Host, and may be used by the
+ the Discovery Controller to control what NVMe Target resources are
+ allocated to the NVMe Host for a connection.
+</p>
+</dd>
+<dt class="hdlist1">
+-I <hostid>
+</dt>
+<dt class="hdlist1">
+--hostid=<hostid>
+</dt>
+<dd>
+<p>
+ UUID(Universally Unique Identifier) to be discovered which should be
+ formatted.
+</p>
+</dd>
+<dt class="hdlist1">
+-r <filename>
+</dt>
+<dt class="hdlist1">
+--raw=<filename>
+</dt>
+<dd>
+<p>
+ This field will take the output of the <em>nvme connect-all</em> command
+ and dump it to a raw binary file. By default <em>nvme connect-all</em> will
+ dump the output to stdout.
+</p>
+</dd>
+<dt class="hdlist1">
+-k <#>
+</dt>
+<dt class="hdlist1">
+--keep-alive-tmo=<#>
+</dt>
+<dd>
+<p>
+ Overrides the default keep alive timeout (in seconds). This
+ option will be ignored for discovery, but will be passed on to
+ the subsequent connect call.
+</p>
+</dd>
+<dt class="hdlist1">
+-c <#>
+</dt>
+<dt class="hdlist1">
+--reconnect-delay=<#>
+</dt>
+<dd>
+<p>
+ Overrides the default delay (in seconds) before reconnect is attempted
+ after a connect loss.
+</p>
+</dd>
+<dt class="hdlist1">
+-l <#>
+</dt>
+<dt class="hdlist1">
+--ctrl-loss-tmo=<#>
+</dt>
+<dd>
+<p>
+ Overrides the default controller loss timeout period (in seconds).
+</p>
+</dd>
+<dt class="hdlist1">
+-g
+</dt>
+<dt class="hdlist1">
+--hdr-digest
+</dt>
+<dd>
+<p>
+ Generates/verifies header digest (TCP).
+</p>
+</dd>
+<dt class="hdlist1">
+-G
+</dt>
+<dt class="hdlist1">
+--data-digest
+</dt>
+<dd>
+<p>
+ Generates/verifies data digest (TCP).
+</p>
+</dd>
+<dt class="hdlist1">
+-i <#>
+</dt>
+<dt class="hdlist1">
+--nr-io-queues=<#>
+</dt>
+<dd>
+<p>
+ Overrides the default number of I/O queues create by the driver.
+ This option will be ignored for discovery, but will be passed on
+ to the subsequent connect call.
+</p>
+</dd>
+<dt class="hdlist1">
+-W <#>
+</dt>
+<dt class="hdlist1">
+--nr-write-queues=<#>
+</dt>
+<dd>
+<p>
+ Adds additional queues that will be used for write I/O.
+</p>
+</dd>
+<dt class="hdlist1">
+-P <#>
+</dt>
+<dt class="hdlist1">
+--nr-poll-queues=<#>
+</dt>
+<dd>
+<p>
+ Adds additional queues that will be used for polling latency sensitive I/O.
+</p>
+</dd>
+<dt class="hdlist1">
+-Q <#>
+</dt>
+<dt class="hdlist1">
+--queue-size=<#>
+</dt>
+<dd>
+<p>
+ Overrides the default number of elements in the I/O queues created
+ by the driver. This option will be ignored for discovery, but will be
+ passed on to the subsequent connect call.
+</p>
+</dd>
+<dt class="hdlist1">
+-m
+</dt>
+<dt class="hdlist1">
+--matching
+</dt>
+<dd>
+<p>
+ If a traddr was specified on the command line or in the configuration
+ file, only create controllers for discovery records that match the
+ given traddr, rather than for all entries in the discovery log page.
+</p>
+</dd>
+<dt class="hdlist1">
+-p
+</dt>
+<dt class="hdlist1">
+--persistent
+</dt>
+<dd>
+<p>
+ Don’t remove the discovery controller after retrieving the discovery
+ log page.
+</p>
+</dd>
+<dt class="hdlist1">
+-q
+</dt>
+<dt class="hdlist1">
+--quiet
+</dt>
+<dd>
+<p>
+ Suppress error messages.
+</p>
+</dd>
+</dl></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_examples">EXAMPLES</h2>
+<div class="sectionbody">
+<div class="ulist"><ul>
+<li>
+<p>
+Connect to all records returned by the Discover Controller with IP4 address
+192.168.1.3 for all resources allocated for NVMe Host name host1-rogue-nqn on
+the RDMA network. Port 4420 is used by default:
+</p>
+<div class="listingblock">
+<div class="content">
+<pre><code># nvme connect-all --transport=rdma --traddr=192.168.1.3 \
+--hostnqn=host1-rogue-nqn</code></pre>
+</div></div>
+</li>
+<li>
+<p>
+Issue a <em>nvme connect-all</em> command using a /etc/nvme/discovery.conf file:
+</p>
+<div class="listingblock">
+<div class="content">
+<pre><code># Machine default 'nvme discover' commands. Query the
+# Discovery Controller's two ports (some resources may only
+# be accessible on a single port). Note an official
+# nqn (Host) name defined in the NVMe specification is being used
+# in this example.
+-t rdma -a 192.168.69.33 -s 4420 -q nqn.2014-08.com.example:nvme:nvm-subsystem-sn-d78432
+-t rdma -a 192.168.1.4 -s 4420 -q nqn.2014-08.com.example:nvme:nvm-subsystem-sn-d78432
+
+At the prompt type "nvme connect-all".</code></pre>
+</div></div>
+</li>
+</ul></div>
+</div>
+</div>
+<div class="sect1">
+<h2 id="_see_also">SEE ALSO</h2>
+<div class="sectionbody">
+<div class="paragraph"><p>nvme-discover(1)
+nvme-connect(1)</p></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
+ 2020-04-29 22:28:00 CEST
+</div>
+</div>
+</body>
+</html>
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