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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I don’t MR is really the right tool for the JOB you are trying to accomplish.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">There are 2 was to add tcp client to an existing o2ib system.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Add Lnet Routers to meet the performance goals you have.    I would start here it is the least invasive way and the much more documented.  <o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><a href="http://wiki.lustre.org/LNet_Router_Config_Guide#LNet">http://wiki.lustre.org/LNet_Router_Config_Guide#LNet</a> is a good read on the topic.  <o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Add new TCP Nids on your Lustre servers and update the Lustre target.  You can serve the same namespace over different fabric types there is some tradeoff
 with some of the internal RPC for locking and whatnot that can increase the time it takes for some actions to the speed it can do on the slowest fabric.  This is an experts only activity to update the nids on existing targets but it is a 2<sup>nd</sup> way
 to do it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Keith   <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><a name="_____replyseparator"></a><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> lustre-discuss [mailto:lustre-discuss-bounces@lists.lustre.org]
<b>On Behalf Of </b>Petrillo, Neale A (Contractor)<br>
<b>Sent:</b> Wednesday, November 7, 2018 12:52 PM<br>
<b>To:</b> lustre-discuss@lists.lustre.org<br>
<b>Cc:</b> Ault, James R (Contractor) <James.Ault@unnpp.gov><br>
<b>Subject:</b> [lustre-discuss] Lustre Multi-Rail on 2 Network Types<o:p></o:p></span></p>
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<p><span style="font-family:"Calibri",sans-serif;color:black">Hello! <o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">We have some clients which cannot be attached to our OmniPath network but are attached to the Ethernet network. We were looking at using Multi-Rail on our Lustre servers in order to export the file
 system on both networks. But, we haven't been able to make much progress. <o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">Has anyone done anything like this? If so, how? Do we need to implement an LNet router?
<o:p></o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black"><o:p> </o:p></span></p>
<p><span style="font-family:"Calibri",sans-serif;color:black">Thanks!<o:p></o:p></span></p>
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