Re: Change mlx5 to Ethernet mode without mlxconfig
Hi Robert, the Connect-IB HCA only actually supports InfiniBand so that's why you can't configure it to Ethernet. Only the ConnectX cards have dual personalities where you can config them to either IB...
View ArticleRe: OpenMPI with MXM 32bit issue
Hello Thomas, Did you mean to run this test on one host or on two?If on 2, please add ‘--map-by node’ to the command line and rerun.I verified that it works: $/usr/mpi/gcc/openmpi-1.10.3rc4/bin/mpirun...
View ArticleRe: OpenMPI with MXM 32bit issue
Hello Alina, thank you for your response. I meant the case on one host, but I will check the two host case anyway.One part of the problem is, that although the Infiniband network is not involved in the...
View ArticleMellanox Connectx-2 shows cable unplugged when connected to switch
I am new to 10gbe, and was able to direct connect 2 test severs using Connectx-2 cards and SPF+ cable successfully, but when connected to the SPF+ port on my 3Com switch, it shows the cable unplugged....
View ArticleRe: OpenMPI with MXM 32bit issue
Well, thats interesting.The case on two hosts works fine:$ /opt/openmpi-2.0.1-jessie-mxm-mt/bin/mpirun -np 2 -hostfile hostfile --map-by node --display-map -mca pml yalla openmpi_mxm_freezeData for JOB...
View ArticleRe: OpenMPI with MXM 32bit issue
I see. I will check this and get back to you. In the meantime can you please check if adding the following to the command line resolves the hang?-x MXM_TLS=udor-x MXM_TLS=rc Thanks,Alina.
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Re: Is it possible to switch ConnectX-3 VPI into Ethernet mode in Solaris 11.1?
If you change ETH, ETH mode with mlxconfig, Solaris 11.3 or above support ethernet mode with ConnectX-3 HCA...:)
View ArticleRe: OpenMPI with MXM 32bit issue
Both options work, while the "ud" option is significantly slower.
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MPI startup():ofa fabric is not available and fallback fabric is not exist
Hello All,I hope you are well. We are facing the above issue whenever we submit second simulation job. The first job goes through smoothly but the second job exits with the above error. Any ideas what...
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Driverdisk for Xenserver 7?
Hi,can Mellanox support us with a Xenserver 7 Driver Disk for the MT26468 [ConnectX EN 10GigE, PCIe 2.0 5GT/s Virtualization+] (Hewlett-Packard Company HP NC542m Dual Port Flex-10 10GbE BLc Adapter)?...
View ArticleRe: ping is not happening between MCX314A and MCX354A 40G Etherenet slots
Hi!MCX354A is Infiniband HCA and MCX314A is Ethernet only Adapter.If you install Infiniband driver and MCX354A, you must change Ethernet mode then you can ping to MCX314A end-to-end connection without...
View ArticleRe: Windows Server 2016 Expected Speeds?
You've not mention your CX-3 speed rate (I assume it's 40Gb/s), neither the actual performance you've achieved, but to try and get the oprtimim perfromance I would suggest to start with the following...
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Usage of CX4 to QSFP cable for the Application
I have a hardware using Mellanox ConnectX3 VPI IC. It supports 10GBase-CX4 on infiniband style CX4 connector. Can i communicate with PC ConnectX3 VPI adapter (Part No.MCX354A-FCBT) using CX4 to QSFP...
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Dfms high rate is not supported and lots of others
Hi, everyone!Every time I boot my nodes I see such messages (like on the screenshot). What's that and what should I do to solve the problem???
View ArticleRe: OpenMPI with MXM 32bit issue
Hi Thomas, I would like to provide you with an updated version of MXM which should fix the problem.Can you please tell me what OS and Mellanox-OFED you are using? Thank you,Alina.
View ArticleRe: OpenMPI with MXM 32bit issue
Hi Alina, we are using Debian Jessie and the MLNX_OFED_LINUX-3.3-1.0.4.0-debian8.3-x86_64 package. Thomas
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Re: Usage of CX4 to QSFP cable for the Application
There shouldn't be an issue communicating with a ConnectX3 VPI. If your ConnectX3 VPI CX4 design supports switching between Infiniband and Ethernet (as the VPI label implies) - there shouldn't be an...
View ArticleRe: OpenMPI with MXM 32bit issue
Hi Thomas, Here is a link to an updated MXM version:Index of /mxm/mxm After installation, MXM will be installed in /opt/mellanox/mxm .The fix will be part of MXM's January release. Please let me know...
View ArticleRe: krping (4.7 kernel version) crashing with mlx5_core (CX415A), it is...
can you add dmesg to the question. i might have a solution for this.
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Re: krping (4.7 kernel version) crashing with mlx5_core (CX415A), it is...
Hi Yonatan, The logs what ever are there, they are dmesg outputs
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