Change the speed of Infiniband adaptor card
Hi, We have Mellanox SX6536 648-Port InfiniBand Director Switch (56 Gbps) and Mellanox Technologies MT27500 Family [ConnectX-3] adapter cards connected to the Intel servers running CentOS 6.2 (64...
View ArticleRe: Compiling with mellanox headers
Hi , I would suggest opening a support ticket with Mellanox support@mellanox.com
View ArticleRe: mckey program does not work
'-m' option should be used with multicast address. In addtion, you can bind it to specific device using '-b' parameter. ExampleServer:$mckey -m 234.5.6.7 -b 10.11.22.1 Client:$mckey -m 234.5.6.7 -b...
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Re: OFED 3.3, RHEL 6.8, MVAPICH2 not present
Hello Sergey, MVAPICH2 is not included MOFED 3.3, so you need to manually compile. Sorry for the inconvenience.I will mention this internally. Thanks,~Rage
View ArticleRe: Change the speed of Infiniband adaptor card
HiYou can just change the speed on the switch port to 40 Gbps and the adapter card should auto-negotiate to that speed. Example commands:1. enable2 configure terminal3. interface ib 1/1/1 speed fdr10...
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what does IBV_WC_SUCCESS mean?
I am a newbie in RDMA.I try to write data from local memory to a remote machine with IBV_WR_RDMA_WRITE (I use unreliable connection), and then I try to poll a completion event and its status is...
View ArticleRe: Trouble with ConnectX-3 VPI VFs with SR-IOV
Hello Lasse, I'm not familiar with this error. As I was looking into your error internally, i noticed you have opened a support case with us for the same issue already.We will continue to assist you on...
View ArticleRe: SR-IOV on ESXi
Hi!I pray these scrips to help you.01. Uninstall Mellanox vSphere OFED 1.8.2.4 & 1.8.3 from ESXi host 1st you must check your installed driver list with esxcli software vib list | grep Mellanox...
View ArticleRe: permanent setting log_num_mtt and log_mtts_per_seg
Hello, If the file /etc/modprobe.d/mlx4_core.conf does not exist, create file then input the desired parameter followed by restart of the driver(# /etc/init.d/openibd restart) Cheers,~R
View ArticleOdd, unsymmetric ib_send_lat results?
I have two small IB clusters set up for testing:Both have SB7700 IB switchTwo servers, each with a MCX455A-ECAT ConnectX-4 VPI adapter, are connected to each switch. Essential system and software...
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Kernel Code for infiniband
Why is it so difficult to find kernel code for Infiniband server/client? Can someone direct me to any sample infiniband server/client code? Secondly, what is the best source of help to write kernel...
View ArticleRe: what does IBV_WC_SUCCESS mean?
Hi, though i might not give you an answer to this, i have a quick tip: register to Mellanox Academy site. (Take the associate free membership) They have a free RDMA programing course (and few other...
View ArticleInfiniband benchmarks for IOPS
Hi, I am wondering if there is any existing benchmark suite to measure IOPS. perftest provides benchmarks on bandwidth and latency, but does not include anything on IOPS. The newest ConnectX-4 NIC...
View ArticleMLNX 10GbE 2P ConnectX-3 Firmware & ESXi 5.5
Hi We have the 10Gbe cards installed on our Dell Blades, we are using VMware EXSi 5.5. our current problem is that VMWare is only seeing the one adapter but these cards are duel. I have been...
View Article40 GbE External Metallic Loopback Plug?
Hi all, I have a customer using this Mellanox cable:Mellanox Breakout Cables 40GbE to 4x10GbE usage and configurationand they need to provide temporary metallic loop-back, at the PCB connector into...
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Re: Mac address is assigned to wrong port of Mellanox
Hi, thanks a lot for your response. This is my xml file:<domain type='kvm'> <name><VM_LABEL></name> <uuid><VM_UUID></uuid> <description>Timos...
View ArticleDPDK/VMA
Hi,I have several computers with ConnectX-3 cards in a 10Gb LAN. Sometimes they send packets to each other. These packets are small, about 100-200 bytes. My goal is to deliver and process them as...
View ArticleRe: MLNX 10GbE 2P ConnectX-3 Firmware & ESXi 5.5
Could show me a exact model number? You can find that on your back side sticker of your adapter.
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