Re: How to configure Connectx-2 NIC's on Ubuntu with Cisco TopSpin 90 switch
The issue is that the link autonegotiation between the host and the Topspin 90 switch is not completing. Rather than achieving LinkUp (completing the autonegotiation), the link appears to be in...
View ArticleRe: How to configure Connectx-2 NIC's on Ubuntu with Cisco TopSpin 90 switch
Hey Hal,I very much appreciate your response.I have yet to get a link, and I have rationalized that I have to have at least one good cable out of 4. All of them appear to be in good working condition...
View ArticleRe: How to configure Connectx-2 NIC's on Ubuntu with Cisco TopSpin 90 switch
Hey Nathan, So the IB cables are "unknown". Can you get link with these cables between 2 hosts ? You can get firmware version via ibstat or ibstatus on ConnectX-2 host. infiniband-diags should be part...
View Articleinfiniband drivers for vsphere sr-iov operation
Hi together, are there any drivers/ressources to try infiniband sr-iov together with vsphere 5.5. I would like to use InfiniBand within multiple VMs based on VMware vSphere 5.5 and Mellanox ConnectX-3...
View ArticleClik here to view.
Re: How to configure Connectx-2 NIC's on Ubuntu with Cisco TopSpin 90 switch
Hey Hal,Firmware is at 2.9.1050:CA 'mlx4_0' CA type: MT26428 Number of ports: 2 Firmware version: 2.9.1050 Hardware version: b0 Node GUID: 0x0008f104039a72c8...
View ArticleError: mlnx-ofed-kernel-dkms installation failed!
Hi All, I'm having some problems getting MLNX OFED installed on my ubuntu box.It looks like a kernel issue, but I have checked compatability with this version of MLNX_OFED-2.4-1.0.4 and it supports...
View ArticleRe: How to configure Connectx-2 NIC's on Ubuntu with Cisco TopSpin 90 switch
ConnectX-2 firmware is more recent than latest on Mellanox support web page ;-) Did you get link with the IB cables when connecting port 1 to port 2 on the HCA ? I suspect some link negotiation...
View ArticleNeed help to recover switch Silverstorm 9024-CU24-ST2-DDR admin password
hi everybody, I brought an used infiniband switch silverstorm 9024, the problem i have for now is i cannot find admin password and don't know how to reset it. here is my story: 1, I used serial cable...
View ArticleClik here to view.
Re: Need help to recover switch Silverstorm 9024-CU24-ST2-DDR admin password
hi, I fixed it. The problem comes from serial cable, change another serial cable, use terminal no problem at all.
View ArticleRe: Error: mlnx-ofed-kernel-dkms installation failed!
it might be because of the iser module failing to compile against DKMS on this distribution / kernel combo, Can you give Mellanox OFED 3.0 a try ? Mellanox Technologies: MLNX_OFED EULA
View Articlelatency ibping between two hosts
Hi, we have a setup with some compute nodes:Supermicro server with "Mellanox ConnectX-3 FDR Infiniband 56Gbps Controller" onboard (https://www.supermicro.com/products/system/2U/6028/SYS-6028TP-HTFR.cfm...
View ArticleClik here to view.
Frequent TCP retransmissions with ConnectX-3 EN
Well maybe not that frequent (hundreds out of hundreds of thousands of packets) but I don't think I should see any in this (LAN) environment. So I am doing a packet capture on my switch and I am...
View ArticleUDA exception of ibv_reg_mr
Dear sirs, I encounter a problem when I use ROCE mode in Hadoop 2.2.0, the details is as follow (And english is not my mother lanugage, if some words unproper, please pardon ): CPU Intel(R)...
View ArticleClik here to view.
HCA extended port counters
Are 64bit HCA port counters (ie. /sys/class/infiniband/ on linux systems) a feature specific to mellanox ? or is it more generic to OFED ? Do you know when extended port countes were introduced ?...
View ArticleClik here to view.
Difference between ConnectX-3 and Connect-IB adapters
I am curious about the differences between the ConnectX-3 and Connect-IB cards. I understand that the Connect-IB cards use the mlx5 architecture vs. mlx4 on ConnectX-3, and have PCIe x16 connectors...
View ArticleHow do you backup the configuration of IB Melannox switch SX6036?
Hello, I would like to know how to backup the configuration of IB Melannox switch SX6036? Thank you. ggcc
View Articleunable to create QP with IBV_EXP_QPT_DC_INI
Hi, I was trying to run the "dcini" example provided with libibverbs-1.1.8, and getting the error of "failed to create qp".Any idea where to start to look into this error? Thanks in advance,
View ArticleDKMS support on non-ubuntu distros?
Hello, I'm building the OFED drivers for a RHEL derivative (Scientific Linux 6.6) and noticed there doesn't seem to be DKMS support mentioned anywhere in the documentation except in the listing of...
View Article