<div dir="ltr"><div>Who is switch vendor ? Which LED on switch is on ? Is it the port LED ? Is it solid or flashing (orange) ?</div><div><br></div><div>Rebooting the Linux box causes the link to the switch to be renegotiated. That would complete before SM comes up on that Linux box so that port/link won't be active until that occurs.</div><div><br></div><div>You should not have to manually start opensm but there is a window until opensm is started and gets far enough to discover and activate the subnet which would turn the port LED from orange to green.</div><div><br></div><div><div>When ibdiagnet on that machine detects no master SM, is opensm already up and running ? That sounds consistent with solid orange LED on switch port LED and opensm not yet started.</div><div><br></div></div><div>When the subnet is in that state, is opensm running or has it not yet started ?</div><div><br></div><div>-- Hal</div><div> </div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 2, 2017 at 4:28 PM, Kenja, Krishna (kenjakt) <span dir="ltr"><<a href="mailto:kenjakt@mail.uc.edu" target="_blank">kenjakt@mail.uc.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p>I have an infiniband network up and running between two linux boxes through a switch. But when I reboot the system on which the subnet manager is running, the lights on the switch turn orange. Running 'ibdiagnet' on the box with subnet manger showed me the
following error.</p>
<p><br>
</p>
<p></p>
<div>-I----------------------------<wbr>-----------------------</div>
<div>-I- Bad Fabric SM Info</div>
<div>-I----------------------------<wbr>-----------------------</div>
<div>-E- Missing master SM in the discover fabric</div>
<br>
<p></p>
<p>Running opensm or restarting opensm service fixes this, but I am unable to understand why I am having this problem in the first place and restarting the opensm service after every reboot is obviously not a practical solution. Can some one please point me
in the right direction as to what the issue might be here.</p>
<p><br>
</p>
<p>Thanks <span class="HOEnZb"><font color="#888888"><br>
Krishna</font></span></p>
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