Re: CentOS 7 KVM-SR-IOV Performance?
Thanks, Blair! I pasted more detail configurations/result on host/vm here. * mpirun result (bandwidth, 4KB message size) - between 2 hosts mpirun -np 2 -host A,B : 3798.62 MB/smpirun -np 2...
View ArticleCentos 6.6 with 2.6.37.6 Kernel, MLNX_OFED's mlnx_add_kernel_support.sh failed.
Hi, I try to install MLNX_OFED software on centos 6.6 machine which use 2.6.37.6 kernel compiled from source from kernel.org .I'd want to keep it as 2.6 that compiled from mainline source not any...
View ArticleRe: what happens when RoCE is run over lossy L2?
Dear YairiThe referred article does answer my query. thanks."An underlying lossless Ethernet network is required for RoCE traffic only in order to avoid systematic packet drops resulting from resource...
View ArticleProblems occur when testing the Programming Examples Using IBV Verbs
My Cards are ConnectX-3Pro EN (mcx311A-XCCT), and are connected with back-to-back mode (two cards and a wire). When I attempt to test the programming Examples Using IBV Verbs given in the...
View ArticleRe: How to enable wake-on-la (wol) on a mellanox InfiniBand card ?
Hi, The WoL feature should be enabled in the .ini file of the device.1. What is the driver version you are using? ('ofed_info -s' would provide this info)2. What is the PSID and FW version of the card...
View ArticleRDMA issue with SoftRoCE
I am trying to check working of RDMA with SoftRoCE. When I try to run rping it sends me "cma event RDMA_CM_EVENT_UNREACHABLE, error -110" what can be the possible scenarios where this error can occur.
View ArticleRe: RDMA issue with SoftRoCE
Can you ping to the peer using linux ping (not the RDMA ping)?What is the command line you used on both peers?
View ArticleHow to install Cumulus OS on Mellanox ONIE switch?
What are the Cumulus OS features supported on Mellanox ONIE switch now?
View ArticleRe: CentOS 7 KVM-SR-IOV Performance?
Hi Mikyung, I don't see any obvious problems there, but IIRC there is a lot of config required to make this work... I guess for completeness you could show us how you've configured your host NICs and...
View ArticleRe: Windows IO Completion Ports
Here is something you may want to investigate, a 3rd party TCP stack that works on Windows with Mellanox hardware: MCoreRT Product
View ArticleRe: RDMA issue with SoftRoCE
# rxe_cfg startIBOE V2 Name Link Driver Speed NMTU IPv4_addr RDEV RMTU p4p1 yes r8169 1500 10.213.64.106 rxe0 1024 (3) wlan0 no rtl8192cu 1500# ping...
View ArticleRe: RDMA issue with SoftRoCE
More details -Server# rping -sd -a 10.213.64.106 -p 1234port 1234created cm_id 0x6090c0rdma_bind_addr successfulrdma_listen Client# rping -cd -a 10.213.41.106 -p 1234port 1234created cm_id...
View ArticleRe: 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):...
View ArticleError 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
View ArticleGrid 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...
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