Re: Link speed limited to 10gbps
There are driver sources left by the installation, in /usr/source/mlnx-en-2.2, driver tree could instrumented, recompiled, etc. It seems that Mellanox is using some soft of mailbox mechanism to talk to...
View ArticleRe: Link speed limited to 10gbps
Hi, Gage, Thank you for interesting suggestion. Unfortunately no speed-up with trying the OFED distribution - it seems standalone Linux ethernet driver and Ethernet driver from OFED are practically...
View ArticleRe: Link speed limited to 10gbps
Hi Philip: I like your idea about the cables; the Mellanox IB is hyper-proprietary and no doubt this bleeds over into the VPI world; I just had a conversation with a cable engineer about this a few...
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QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
We have four on-board QSFP+ we are converting down to an SFP+ using a Mellanox QSA passive adapter. http://www.mellanox.com/pdf/prod_cables/QSA.pdf We are then plugging this QSA into our QSFP+ and...
View ArticleUpdating OFED drivers from 1.5.3 to 1.5.4
Greetings, I hope someone with experience can provide some tips or assist. I'm attempting to upgrade the Mellanox drivers on a system with a ConnectX-3 card. This is my very first atttempt...# lspci |...
View ArticleConnectX3 FreeBSD 10 ethernet mode
Hello, I see there are new updated FreeBSD 10 drivers for ConnectX3 adapters along with the userland OFED tools. We were able to get the new drivers and tools working but there's very limited...
View ArticleRe: ConnectX-3 FreeBSD support
http://permalink.gmane.org/gmane.os.freebsd.devel.infiniband/30 Sven, I saw an entry in the mailing list (above link) from a Mellanox employee who's the OFED-FreeBSD Team Leader. It looks like they...
View ArticleRe: ConnectX-3 FreeBSD support
To compile and install FreeBSD 10.0 stable/release kernel with MLNX drivers:1. To have full OFED driver (both Infiniband and Ethernet) add the following options/devices to kernel configuration file:...
View ArticleRe: ConnectX-3 FreeBSD support
My understanding is that in the new driver design wth FreeBSD 10 they're kernel mode drivers that don't need to be compiled into the kernel. You can build the kernel drivers by: cd...
View ArticleRe: ConnectX3 FreeBSD 10 ethernet mode
Ok we figured out how to set it to Ethernet mode in FreeBSD 10 (you need to have the mlxen kernel driver loaded): sysctl sys.device.mlx4_core0.mlx4_port1=eth We're testing using iperf between 2 servers...
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SR-IOV CentOS 7 Host and CentOS 6.4 guest performance and right set up
HI, I've been investigating SR-IOV support on ConnectX-3, specifically MT27500 with CentOS-7 as the host and CentOS-6.4 as the guest. I've create one VF on my card and expose it to the VM. I wasn't too...
View ArticleRe: ConnectX3 FreeBSD 10 ethernet mode
Tom,Here are the ConnectX-3 QDR cards and their descriptions. MCX353A-QCBTConnectX®-3 VPI adapter card, single-port QSFP, QDR IB (40Gb/s) and 10GbE, PCIe3.0 x8 8GT/s, tall bracket, RoHS...
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
Anand: We have considered it but can not find in your docs how to do this. Cheers, Gage415 608 4799 (m)
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
GageWhat device is the QSA plugged into?ThanksAnand
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
Anand: We are connecting a QSA adapter to an on-board QSFP port from a Mellanox ASIC running the ConnectX-3 software.This port is capable of 56Gbps IB and 40Gbps Ethernet via VPI. Do you need specific...
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
GregMay be I misread something and I dont understand the setup. You mentioned intel transceiver on one end and Arsita 7050 on the other end in the original thread. Has that changed? ConnectX-3 is the...
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
Anand: Mellanox ASIC --> QSA -->Intel-based Transceiver -->LC cable 70m --> Arista 7050 fiber port. Does that clarify the situation? Gage
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
Yes, thank you. Can you try to set the speed on the Arista port to 10000, it may be set to auto negotiate.
View ArticleRe: QSFP+ Amber & Arista 7050 SFP+ green but can't pass traffic
Thanks Anand. We have to open a change-control with Sungard, usually takes the better part of a day.Keep you posted and appreciate your assistance.
View ArticleRe: Link speed limited to 10gbps
Thanks Anand, I just emailed support with the results.
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