<div dir="ltr"><div>Hi Alexandre,</div><div><br></div><div>OpenSM supports multiple HCAs/multiple ports in end nodes. By fully connected, sounds like you mean back to back HCAs on separate subnets in which case each per subnet OpenSM instance is only seeing 1 port on one of the HCAs in the end node.</div><div><br></div><div>Which tools are you referring to in terms of LID resolution ?</div><div><br></div><div>I'm not familiar with Windows 2012 support.</div><div><br></div><div>-- Hal</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, May 24, 2017 at 6:54 PM, Alexandre Malotchko <span dir="ltr"><<a href="mailto:a.malotchko@gmail.com" target="_blank">a.malotchko@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Hello,</div><div><br></div><div>We have tried to create fully connected topology using 4/5 nodes each with 2 dual ports HCAs. In the case of 4 nodes, this is 6 separate subnets with 6 SM instances.</div><div><br></div><div>It seems that on Linux (Ubuntu 16.04), none of the tools that do LID resolution work and in some instances -if SM host node and remote node both on mlx4_1 (second) device IPoIB does not come on.</div><div><br></div><div>On windows 2012, also configuring separate subnets etc, results on the network being briefly up but then logs fills with errors and IPoIB is killed.</div><div><br></div><div>Before we look into this more closely - does OpenSM support multiple HCA / multiple ports configuration and their permutations ? </div><div><br></div><div>Thank you in advance, AM</div></div>
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