Or to put it another way, if your OSS systems can already 'see' both IB and IPoIB networks the most cost<div>effective, high performance solution would be to add the necessary interface and put your MDS/MGS on both networks also.</div>
<div>No need for routers, no performance impact. </div><div>cliffw</div><div><br><br><div class="gmail_quote">On Tue, Mar 13, 2012 at 11:25 AM, Hayes, Bob <span dir="ltr"><<a href="mailto:bob.hayes@intel.com">bob.hayes@intel.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple">
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<p class="MsoNormal">Are there any recommendations or guidelines for sizing a LNET routing facility.<u></u><u></u></p>
<p class="MsoNormal">~400 nodes, 8 OSS (dual socket E5 w/48GB RAM), 24 OST (10spindle RAID6 over SRP), 1 MGS/MDT<u></u><u></u></p>
<p class="MsoNormal">How much load does LNET routing put on a system?<u></u><u></u></p>
<p class="MsoNormal">If I make the 8 OSS systems do double duty as IB to IPoIB routers, will it have much impact on performance?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal" style="text-autospace:none"><b><span style="font-size:8.0pt;font-family:"Tahoma","sans-serif"">Bob Hayes<u></u><u></u></span></b></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Tahoma","sans-serif"">HPC Sys. Admin.<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Tahoma","sans-serif"">Intel Corp Software & Services Group/DRD/CRT-DC
<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Tahoma","sans-serif"">DP3-307-H7 Tel: <a href="tel:%28253%29371-3040" value="+12533713040" target="_blank">(253)371-3040</a>
<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Tahoma","sans-serif"">2800 N Center Dr Fax: <a href="tel:%28253%29371-4647" value="+12533714647" target="_blank">(253)371-4647</a>
<u></u><u></u></span></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:8.0pt;font-family:"Tahoma","sans-serif"">DuPont WA 98327
<i><a href="mailto:mallick.arigapudi@intel.com" target="_blank"><span style="font-family:"Times New Roman","serif";color:blue">bob.hayes@intel.com</span></a></i><u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>cliffw<div>Support Guy</div><div>WhamCloud, Inc. </div><div><a href="http://www.whamcloud.com" target="_blank">www.whamcloud.com</a></div><div><br></div><br>
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