Re: Is there a awitch with subnet manager for MHGH28-XTC?
Any suggestions? This would be for home use
View ArticleRe: Is there any where I can download the sample code for GPUDirect RDMA?
Hi Lin Chen, Also, other places that might interest you :GDRCopy code is a good example on how to use the GPUDirect RDMA API: https://github.com/NVIDIA/gdrcopy If you are looking for a CUDA + IB verbs...
View ArticleRe: Can you use another manufacturers QSFP (10ge) in the MCX354A-FCBT
Hello Ray, You need to check which firmware version you currently have and its' release notes to see what vendor cables are supported.Below is the release note of firmware available for your Mellanox...
View ArticleClik here to view.
Forward Error Correction counters and FDR bit error rate
Hi everyone. Is there a way to measure the number of bit errors corrected by a Mellanox FDR HCA (ConnectX-3 or Connect-IB)? Somehow, perfquery shows all error counters as zero even after I transmitted...
View ArticleRe: Forward Error Correction counters and FDR bit error rate
Hi,it should be in the ibdiagnet2.pm file, did you check it? -I- Ports Counters file : /var/tmp/ibdiagnet2/ibdiagnet2.pm See HowTo Find Cable Info on Mellanox Adapters and Switches Ophir.
View ArticleRe: Is there any where I can download the sample code for GPUDirect RDMA?
Dear Sophie, Thanks for your reply. Attached below are some question after reading and checking the materials you sent to me. I also sent those question to Mr. Scot Schultz, the director of HPC at...
View ArticleClik here to view.
MLX4 custom packet steering
Hello everybody, I am approaching the lower-level networking world, made of linux kernel, mellanox drivers and DPDK libraries. I have read some documentations around about those topics, trying to...
View ArticleRe: HPC-X for RHEL 6.7?
Hi JohnYou can use HPCx for rhel 6.6 on top of 6.7 - it is binary compatible.
View ArticleClik here to view.
Re: Is there a awitch with subnet manager for MHGH28-XTC?
Hi Mark, Check out the SX6012 switch system from Mellanox.http://www.mellanox.com/related-docs/prod_ib_switch_systems/SX6012.pdf Marlon
View ArticleRe: ConnectX Pro EN 313-BCCT how to get 40Gbe
Hi, If you card sits on a GEN2 slot you will not be able to reach 40Gb/s, you should make sure it sits on a Gen3 slot on both servers"lspci | awk '/Mellanox/ {print $1}' | sudo xargs -i -r lspci -s {}...
View ArticleRe: Combine several ConnectX®-2 EN 10GbE?
According to release notes of Mellanox OFED for FreeBSD support ConnectX-3 or ConnectX-4 devices and there is no support for...
View ArticleRe: WebUI not comming up in any browser
Hello Paul What revision of code are you running on the switch?
View ArticleClik here to view.
vmastat: Version faf1dc67b1d47be83a0b5da469894aa0 is not compatible with...
I'm getting the following error when I run vma_stats. I just re-installed VMA after I had a similar issue. Now I just re-installed and I have no clue what this means. Any ideas? # vma_stats vmastat:...
View ArticleNFS RDMA on Ubuntu 15.10
Is there a way to setup NFS over RDMA using the Ubuntu 15.10 inbox driver?I was able to get the server side up but cannot mount anything on the client side. I followed the instructions for the previous...
View ArticleTrunks, pvlans, infiniband world
Hi, I have some hp c7000 blade chassis with some 40g infiniband (unmanaged) switches we want to connect an all ssd array to the network i don't really have an understanding of connecting infiniband...
View ArticleClik here to view.
Re: MLX4 custom packet steering
Harold, First i would like to ask -1. What type of information in the header you would like to based your steering on?2. What is the reason to go for DPDK? do you need higher performance? What you're...
View ArticleClik here to view.
Re: Trunks, pvlans, infiniband world
Hi Daniel, 1. You can add links between the switches, but what is the current topology of the network? is it just a standalone C7000 blade chassis (each with an IB blade switch) or is there a 1U IB...
View ArticleClik here to view.
Re: MLX4 custom packet steering
Hello, Thank you very much for your reply. 1) Theoretically, I would like to steer the packet depending on information encoded in the packet, not the header. In any case, this information can be...
View ArticleError in ipoib
Hello,I have3nodes, the testdoes not work - ib_send_bw -d mlx4_0 -i 1 -F --report_gbits 10.0.0.5Couldn't connect to 10.0.0.5:18515Unable to open file descriptor for socket connection Unable to init...
View Article