Re: CentOS 7 KVM-SR-IOV Performance?
Thanks, Blair! I've setup exactly same OFED/FW/NIC/Switch/OS versions on each host/VM (CentOS6.5/7.1). ...Host Driver Version .................... MLNX_OFED_LINUX-3.0-2.0.1 (OFED-3.0-2.0.0):...
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Error while "rxe_cfg start"
Hi, I have an SoftRoCE setup on CentOS 6.6 and its throws an error related to default_roce_mode. I have the configfs mounted and even if I try to add the version manually it throws the same error. Here...
View ArticleRe: Centos 6.6 with 2.6.37.6 Kernel, MLNX_OFED's mlnx_add_kernel_support.sh...
Hi, Can you try running mlnx_add_kernel_support script with '--without-e_ipoib' ?
View ArticleRe: kernel: cm_req_handler: no listen_cm_id_priv
It means some application is trying to listen on a nonexistent / unready TCP stream using IPoIB, usually you'll see this in driver from 1.5.3 where we had debug prints available by default
View ArticleRe: Problems occur when testing the Programming Examples Using IBV Verbs
I believe that this event is generated when a sender is unable to receive feedback from the receiver. This means that either the receiver just never ACKs sender messages in a specified time period, or...
View ArticleIs there no way to install eSwtichd on centOS 7?
I followed this URL : Mellanox-Neutron-Icehouse-Redhat-Ethernet - OpenStack but icehouse is not installed on centos 6 , because of EOL i think.. ( in https://repos.fedorapeople.org/repos/openstack/...
View ArticleRe: How to install Cumulus OS on Mellanox ONIE switch?
Supporting Cumulus Linux requires integration work, which is currently not supported on Mellanox platforms
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Grid Director 2012--The switch you've logged in is not the master SM Would...
When I use SSH to log on to Director Grid 2012, it will make the following tips:"The switch you've logged in is not the master SMWould you like to connect to the master SM switch? [yes|no]"System...
View ArticleDoes the MCX314A-BCCT support 3rd party QSFP modules?
Hello, I'm looking for 40Gb Ethernet NICs, that will be used primarily to test assorted 3rd party 40GbE QSFP optics and cable assemblies. Are 3rd party QSFP optics and/or cable assemblies supported or...
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Atomic compare and swap on Connect-IB
Recently we purchased connect-IB cards for our new project, and deployed our code base which uses atomic compare and swap operations. Surprisingly the software failed to complete atomic operation. For...
View ArticleRe: Problems occur when testing the Programming Examples Using IBV Verbs
yes, it's important to cope with synchronization, and have to set service iptables off
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About RDMA end-to-end reliability
The most advantage about RDMA is end-to-end reliability. But there is some limit in storage field. 1, Mostly, in a computer node, IB is connected to PCIe Switch, and PCIe write is post write. So if...
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linux kernel support
My systems were upgraded to 6.7 from 6.6.Drivers will not rebuild now.How can I manually add support for minor kernel revisions?
View ArticleHow rdma driver converts IP address to the GID? How mlx4_en converts GID to...
Hi, I was trying to understand the connection establishment between two RDMA devices. There I came across the function rdma_resolve_addr() before issuing rdma_connect().As per the online references,...
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Re: vSphere 1.8.3 driver iSER result
This 1.8.3 beta driver have 2 issues. 1. vSphere Host Profile creation problem.If you create host profile on vCenter than you'll be failed every time. 2. Fixed 32 QD problem.I was test massive...
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defense4all
hi guys. im newbies here. can you guys help me? i need your help on how to install defense4all in ubuntu. im using virtualbox. i have already follow the steps in wikipedia but i still cant install it....
View ArticleHow to connect switches above 300m, 400m OM4? (max 500m) Want RDMA and 56gbe?...
Why is Mellanox lacking behind on cable-distance? Most brands can do 400m with OM4 for a while now... I have 2 sites with SX1036 switches, located at +- 400m from eachother and I would like to connect...
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Re: rx_over_errors incrementing
Hi I have the same issue in a a 9 node cluster with almost only multcast traffic,two of the nodes suffer from high number of rx_dropped and ( the same number of rx_over errors), on both of these nodes...
View ArticleRe: How to connect switches above 300m, 400m OM4? (max 500m) Want RDMA and...
Hi Bent,This sounds like an interesting problem. We will follow up with you directly to better understand the application and the potential solutions. Thanks,Ophir.
View Articledefense4all
hi guys. im newbies here. can you guys help me? i need your help on how to install defense4all in ubuntu. im using virtualbox. i have already follow the steps in wikipedia but i still cant install it....
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