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<body lang="EN-US"><div>Had a similar issue. Cause was frustrating and not readily resolvable.</div><div><br></div><div>Just because the riser is plugged into a x16 PCIe slot on the mobo doesn't really mean the slot has x16 signalling!</div><div><br></div><div>The supermicro page with all docs for that board are here:</div><div><a href="https://www.supermicro.com/products/motherboard/Xeon/C600/X10DRU-i_.cfm">https://www.supermicro.com/products/motherboard/Xeon/C600/X10DRU-i_.cfm</a></div><div><br></div><div>On the riser card that may be bad that should be a silk-screen model number. Verify that is a correct on using the compatibility matrix on the web page.</div><div><br></div><div>I use almost exclusively SuperMicro gear (best bang for the buck that I've found). I deal with a vendor in CA called AcmeMicro. There is a mostly local group, SED International you can contact.</div><div><a href="https://www.supermicro.com/wheretobuy/namerica.cfm?rgn=101&cmp=10272">https://www.supermicro.com/wheretobuy/namerica.cfm?rgn=101&cmp=10272</a></div><div><br></div><div>My person at AcmeMicro (yes. I know. Roadrunner cartoons.) is Selene Huang and I work with her exclusively by email. <a href="mailto:Selene%20Huang%20%3cseleneh@acmemicro.com%3e" style="background-color: rgb(232, 232, 231);">seleneh@acmemicro.com</a></div><div>If you have an incorrect riser, she can get you the correct one. She just dug up a pair of 7m Mellanox IB cables and overnighted them to me and the total price was better than CDWG with 2 day shipping. Granted, shipping an entire machine out to CA sucks the bucks but I've done it before and they fixed things.</div><div><br></div><div>On Thu, 2016-08-18 at 14:22 +0000, Lightner, Jeffrey wrote:</div><blockquote type="cite">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F">We have a system with a Super Micro MB model X10DRU-i+.<br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F">The 4 PCI slots in the right riser (when viewed from back of unit) are all functional.
<br>
<br>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F">The PCI slot at the top of the middle riser does not appear to be functional at all. I had attempted to put an HBA in this slot and another in slot
3 of the right riser. On boot the HBA in slot 3 of the right riser was recognized and I was able to configure it in my OS and it was shown by Linux lspci. However the other HBA placed in the top slot of the middle riser did not show up in POST or in lspci.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F"><br>
On swapping those 2 HBAs between each other the one that previously did not show up in POST or lspci now shows up in both. However, the one moved to the middle riser's top PCI slot no longer shows up in lspci even though the kernel driver for it loaded successfully.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F"><br>
Additionally we previously found the 2 x RJ45 ports (ostensibly 10 GigE copper) at the base of the middle riser did not get link lights when attached to a switch.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F"><br>
I suspect there is an issue with this riser but the manual for this mother board doesn't really help me much and doesn't appear to specifically discuss the riser configurations.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F">Does anyone know where I could find documentation on such a riser?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F">Has anyone seen this issue and gotten it resolved?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F">Is there an local (Atlanta Metro) source for Super Micro based servers and/or replacement parts?
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Lucida Sans Unicode","sans-serif";color:#2B2E2F">Server is running RHEL 6.8.</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please do not suggest as the seller’s laughable tech support has:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span><!--[endif]-->Reseating the riser or the HBA. The riser got reseated each time I put in an HBA because one must remove the riser to do that. Also once I realized the issue was the riser I of course paid special attention to reseating it yet again.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span><!--[endif]-->PCI bus flooding based on the HBAs installed in the right riser. I might believe that if my issue was data flow after boot of the OS but it wouldn’t explain why the network ports weren’t working before I added new HBAs nor why the
BIOS on the HBA is not shown during POST unless it is in the right riser.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><!--[if !supportLists]--><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">
</span></span><!--[endif]-->Returning the entire unit. We can’t really have this system down for 30 days.
<o:p></o:p></p>
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