Re: Need help getting full rate from dual 40GbE network cards on linux systems
MarvinThe maximum bandwidth that you can get from a PCI Gen 3x8 slot is around 52~53 Gbps. Even though the theoretical bandwidth 64Gbps, there is some overhead on the bit encoding, CRC etc. When using...
View ArticleClik here to view.
ConnectX-2 QDR vs ConnectX-3 QDR
I'm looking at expanding my current 15 node cluster to add another 15 nodes. It currently uses the single port ConnectX-2 MHQH19B-XTR listed as QDR 40Gb/s supporting PCIE 2.0. The more recent single...
View ArticleRe: Query on mellanox ml2 mechanism driver
Nurit,Since SriovNicAgent can only VF enable/disable, it won't be able to do any other VF config right ? (eg: MTU or RSS)ThxHarish
View ArticleClik here to view.
Re: Query on mellanox ml2 mechanism driver
no, it won't. however we are working on developing some QoS capabilities in the near future.
View Articlesmall infiniband Windows 7 network - n00b needs some information
Dear fellow infiniband users, I will try and cut my long infiniband story short, so here it goes: Within our small company we are working on separate workstations. We're in the film business so quite...
View ArticleRe: Problem adding kernel support on XenServer
Thank you for all the replies! Just want to give a heads up that the latest MLNX_OFED gets rebuilt without any problems. The versions are:MLNX_OFED_LINUX-2.4-1.0.0Linux XenServer-6.2...
View ArticleClik here to view.
Unassgined class with VF for Ethernet HCA
So I'm doing some experiments with SRIOV on XenServer host and I faced some peculiarities which I don't quite understand.A few words about the setup. I have two HCA installed: one is a dual-port FDR...
View ArticleClik here to view.
Re: ESXi 5.5 & IB Dual Port Card card showing just a sinlge vmnic
I think your configuration under inbox driver.You must remove inbox vSphere inbox driver then install Mellanox En driver 1.9.10.You can see 2 of connector is in online. Below is example scripts. esxcli...
View ArticleRe: Remove infiniband related drivers?
Your answer would make sense if i was asking about OFED, which I am obviously not. I have found the 2.3 drivers and they appear to be working, but I am betting there is a 2.4 version of just the mlx-en...
View Article56Gb/s without a switch ?
I'm using 2 Mellanox MCX354A-FCBT VPI adapters in 2 PCs. These are connected directly without a switch for a "point to point" connection.The speed is 40Gb/s, configured as ETH. QUESTION: is it possible...
View ArticleRe: Cable Options (MCX354A-FCBT-LOW P)
I have the same cards in 2 PCs, work well at 40Gb/s. AfaIk, you will need a FDR capable switch to enable 56Gb/s, SX6036Fwill do it.I bought a couple of Mellanox MC2207310 cables cheap on ebay. I also...
View ArticleRe: Remove infiniband related drivers?
Mellanox Products: ConnectX® EN 10 and 40 Gigabit Linux Driver Ubuntu is there as well.
View ArticleClik here to view.
Windows Server 2008 poor performance
Hello, i'm doing some test with infiniband, actually i have 2 server Dell poweredge R710 configured as follow: 48GB ram2 x intel xeon x5660single HCA MHQH19B-XTRWindows 2008 R2 to connected eachother i...
View ArticleClik here to view.
Re: Getting following error on RHEL-5.8 and MLNX_OFED_LINUX-1.5.3-3.0.0
Hi Einav, The workaround worked for us. Thanks,Rupesh.
View ArticleWhether MLNX_OFED already support OpenPower, or when we expect to support it
Hi Gents: Just a quick question about MLNX_OFED support plan for OpenPower.Now I can get PPC distribution for MLNX_OFED from Mellanox website but It should be for Big Endian or already support Open...
View ArticleRe: Cable Options (MCX354A-FCBT-LOW P)
Thanks for the advice. I think it may be possible to get to 56Gbps without a switch with a small change to the device firmware files:56 GbE over a ConnectX-3 VPI adapter In the end I managed to find...
View ArticleRe: ESXi 5.5 & IB Dual Port Card card showing just a sinlge vmnic
Hi Thanks I've uninstalled the VIBs and re-installed the MLNX-OFED-ESX-1.9.10.0-10EM-550.0.0.1331820.zip package. But the outcome is the same. However I'm wondering why just a single NIC/Adapter is...
View ArticleRe: ESXi 5.5 & IB Dual Port Card card showing just a sinlge vmnic
Is there a general difference between the two adapters I'm using? In regards to the mode and behavior of the card itself. esx2 - MT26418MHGH29-XTC esx3 - MT25418 MHGH28-XTC
View Article