Re: Connect QSFP to QSFP (custom board design)
You should use regular MPO cable to connect between two boards with QSFP modules (i.e. "straight" and not "crossover")
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Re: Cavo per infiniBand su switch Mellanox SX6036
Hello Marco, For this issue, please contact Mellanox Support for additional assistance.Thanks.
View ArticleMellanox Infiniband ConnectX-2 VPI interfaces not populating in ESXi 5.5u1
I have tested the IB adapter in 3 different PCIE slots with no change in VMWare.The adapter works correctly in Windows 2008 R2 & Windows 2012 R2. > Updated firmware on Infiniband adapter...
View Article"Missing UAR" kernel error on boot, ConnectX-3 not detected by the OS
Hello, I received a new machine recently (Dell r620) with 2 MT27500 [ConnectX-3] cards and during my first tests i noticed that one of these cards wasn't detected on boot. (Note : the first card works...
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
I wanted to close the loop for Mellanox and the public on this issue. Unfortunately we were not able to motivate the network engineer to try the configuration changes outlined by Mellanox. As a work...
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
GageThank you for the update, good to know everything is working now. Anand
View ArticleRe: Mellanox Infiniband ConnectX-2 VPI interfaces not populating in ESXi 5.5u1
Hi! Did you install Mellanox ConnectX En driver on ESXi hosts? You said CX-2 VPI interface not populates on ESXi 5.5U1. There is some driver issue between ConnectX En and ConnectX VPI There is...
View ArticleRe: Can't Achieve 40Gbps
Hi! I think you're in normal condition.Because all FDR14 cables consist of quad channel line.line rate speed is 14.0Gbps and 14.0Gbps x 4 = 56Gbps...:) * But, there is overhead by 64/66bit encording.....
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Re: Link speed limited to 10gbps
Hi, Anand, thank you for the response on the ticket. Would it be possible to provide any extra details as of what EEPROM register content does not meet expectations, etc? Regards, Philip
View ArticleMy connectx-3 is linked pcie1.1!
Hi ,first i'm sorry my bad english. i used 1366 dual asus system. and dual fdr connect x-3 and mellanox fdr cable using now. and my system support pcie2.0 i used windows 2012 r2 ,show ipoib adapters...
View Articlenv_peer_mem module error to load
Hi all, I having to problems to run the nv_peer_mem module. the error is shown as below. [root@wnode4 nvidia_peer_memory-1.0-0]# service nv_peer_mem startstarting... ERROR: modinfo: could not find...
View ArticleRe: nv_peer_mem module error to load
Solve the problem already, after rpmbuild --rebuild nvidia_peer_memory-1.0-0.src.rpm, the output of the rpm is sit at /root/rpmbuild/RPMS/x86_64/nvidia_peer_memory-1.0-0.x86_64.rpm, so next step i...
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Re: My connectx-3 is linked pcie1.1!
Hi,Check the ASUS BIOS settings and possible upgrade the BIOS is need. sometimes the BIOS vendor provides it where the defaults set to PCI gen-1. from HCA and FW perspective, nothing to be done. it...
View ArticleRe: My connectx-3 is linked pcie1.1!
Thx to your kinness! but my board bios ver. also fully update! and i found bios there is no pciex version sellect page so,,i just used fdr card. work on pciex1 ?:( is there any idea? please..hep
View ArticleRe: Mellanox Infiniband ConnectX-2 VPI interfaces not populating in ESXi 5.5u1
I have installed just the En and excluded the VPI and the adapters still do not show up in ESXi 5.5u1.Is there something I need to configure in the mlx4_core driver to get them to show up?I can...
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Error trying to install OFED on CentOS 6.5
Guys this is a very newbie question:I have upgraded my CentOS 6.5 kernel version: 2.6.32-431.23.3.el6.x86_64 #1 SMP Thu Jul 31 17:20:51 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux downloaded OFED...
View ArticleSome weird timestamp format?
This is the log of what i get from ConnectX-3 when sending packets once a second and measuring send time via hardware timestamp. Socket is set to SOF_TIMESTAMPING_RAW_HARDWARE |...
View ArticleRe: Error trying to install OFED on CentOS 6.5
mlnx-en-2.2-1.0.1 is not ofed but ordinary driver (mlx4_en) that works with kernel tcp/ip stack.install.sh is the script that compiles and installs this driver. Not latest version of it should have...
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Re: My connectx-3 is linked pcie1.1!
try to see whether the card seats on the correct slot. not all PCI slots are gen-2 support. not all slots are the same. some are gen-1, other are gen-2. some are x8 and other x16 - you want to pickup...
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