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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">We have run multiple ConnectX-4 NICs in bonded MLAG (Arista) and VPC (Cisco) switch configurations on our NSD servers. We used to see issues with firmware versions
that didn’t support the optics we wanted to use (e.g. early CX3/CX4 and Cisco 40G-BiDi). You may also want check mstflint to see whether the firmware levels match on the MLX cards, and if you upgrade firmware in some cases a power-cycle (not reboot) can be
required to finish the process.<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">-Paul<o:p></o:p></span></p>
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<p class="MsoNormal"><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"> gpfsug-discuss-bounces@spectrumscale.org [mailto:gpfsug-discuss-bounces@spectrumscale.org]
<b>On Behalf Of </b>Andrew Beattie<br>
<b>Sent:</b> Wednesday, December 20, 2017 4:47 PM<br>
<b>To:</b> gpfsug-discuss@spectrumscale.org<br>
<b>Subject:</b> Re: [gpfsug-discuss] more than one mlx connectx-4 adapter in samehost<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">IBM ESS building blocks can have up to 3 dual port 10GBEth, 40GB Eth, 56GB IB, 100GB IB Mlx adapater cards, because we have 2 IO nodes this is up to a total of 12 ports per building
block<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">so there should not be any reason for this to fail.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">I regularly see a Mix of 10GB / 40GB or 10GB / IB configurations<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Regards<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-family:"Arial",sans-serif;color:#7C7C5F">Andrew Beattie<o:p></o:p></span></b></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Software Defined Storage - IT Specialist<o:p></o:p></span></b></p>
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<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#336699">Phone:
</span></b><span style="font-size:8.0pt;font-family:"Arial",sans-serif">614-2133-7927<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#336699">E-mail:
</span></b><span style="font-size:8.0pt;font-family:"Arial",sans-serif"><a href="mailto:abeattie@au1.ibm.com"><span style="color:#555555">abeattie@au1.ibm.com</span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">----- Original message -----<br>
From: "J. Eric Wonderley" <<a href="mailto:eric.wonderley@vt.edu">eric.wonderley@vt.edu</a>><br>
Sent by: <a href="mailto:gpfsug-discuss-bounces@spectrumscale.org">gpfsug-discuss-bounces@spectrumscale.org</a><br>
To: gpfsug main discussion list <<a href="mailto:gpfsug-discuss@spectrumscale.org">gpfsug-discuss@spectrumscale.org</a>><br>
Cc:<br>
Subject: Re: [gpfsug-discuss] more than one mlx connectx-4 adapter in same host<br>
Date: Thu, Dec 21, 2017 6:37 AM<br>
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Just plain tcpip.
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">We have dual port connectx4s in our nsd servers. Upon adding a second connectx4 hba...no links go up or show "up". I have one port on each hba configured for eth and ibv_devinfo
looks sane.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">I cannot find anything indicating that this should not work. I have a ticket opened with mellanox.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">On Wed, Dec 20, 2017 at 3:25 PM, Knister, Aaron S. (GSFC-606.2)[COMPUTER SCIENCE CORP] <<a href="mailto:aaron.s.knister@nasa.gov" target="_blank">aaron.s.knister@nasa.gov</a>>
wrote: <o:p></o:p></span></p>
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<br>
We’ve done a fair amount of VPI work but admittedly not with connectx4. Is it possible the cards are trying to talk IB rather than Eth? I figured you’re Ethernet based because of the mention of Juniper.
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Are you attempting to do RoCE or just plain TCP/IP?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">On December 20, 2017 at 14:40:48 EST, J. Eric Wonderley <<a href="mailto:eric.wonderley@vt.edu" target="_blank">eric.wonderley@vt.edu</a>> wrote:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Hello:
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Does anyone have this type of config?
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">The host configuration looks sane but we seem to observe link-down on all mlx adapters no matter what we do.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif">Big picture is that we are attempting to do mc(multichassis)-lags to a core switch. I'm somewhat fearful as to how this is implemented in the juniper switch we are about to
test. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial",sans-serif"><br>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New"">_______________________________________________<br>
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