Re: Is there a reference implementation for direct NIC-to-GPU data transfer?
I would recommend to check latest 'perftest' tool that has some basic support or OpenMPI source code that implemented such kind of support.
View ArticleIs RHL 7.0 supported by UFM Advanced server and agents? the user guide talks...
I downloaded UFD Adv 4.8, the user guide indicates that the o.s. for the server and agents needed is RHL 6. Our servers use RHL 7, would it be supported?
View ArticleRocks 6+ is OFED installation required
Hello community, i'm a total IB newbie. Situation: Have installed a Rocks 6.2 master node, which has attached a MELLANOX ConnectX®-3 QDR. Switch is a IS5022, thus no subnet manager.As far as i read...
View ArticleRe: Is RHL 7.0 supported by UFM Advanced server and agents? the user guide...
Support for RH 7 implemented in UFM v5.1
View ArticleRe: Is RHL 7.0 supported by UFM Advanced server and agents? the user guide...
Hi, however I do not see version 5.1 available for this product UFM ADVANCED on the "license management system" site, only for UFM STANDARD. Is it?
View ArticleRe: Is it possible to setup both SR-IOV-IB and Non-SR-IOV-Ethernet within 1 VM?
Please open a new thread for that question, thank you!
View Articleslave opensm, dragonfly and determine link congestion
Hello all 1) When need to use a slave opensm? Which its improove fabric ? 2) When Infiniband the support dragonfly routing engine ?3) How determine link congestion ? Sorry for my english and thanks...
View ArticleRe: infiniscale iv switch howto set mtu_cap ?
can you point me to the document where the recommendation is written?
View ArticleRe: infiniscale iv switch howto set mtu_cap ?
If you look at the release notes for truescale director switches (eg. July 2015, fw. 7.4.0.0.2.0) it states"For most configurations, using the default MTU size of 2K is recommended." The Mellanox OFED...
View ArticleRe: infiniscale iv switch howto set mtu_cap ?
If the hosts are using 2K mtu there is no harm of 4k mtu on the links between the switches.
View ArticleIs there a reference implementation for direct NIC-to-GPU data transfer?
Many of the material on utilizing GPUDirect RDMA with high-speed NICs on Mellanox and NVIDIA websites seem geared towards distributed computing applications using MPI where a GPU on one machine needs...
View ArticleRe: infiniscale iv switch howto set mtu_cap ?
Actually we have the opposite, our hosts come up as 4k mtu but the inter-switch links are 2k mtu.If we set the infiniscale switch ports to 2k mtu, we hope the attached hosts will negotiation at 2k mtu.
View ArticleUse MTPB23108 with Windows server 2012 R2 as NIC
Could I use two MTPB23108 with Windows server 2012 R2 to connect two servers to each other? And could I set up MTPB23108 to work as NIC in OS? Thanks!
View ArticleRe: IS5022 Switch Fabric
Hi Steve,The topology looks fine.Since you have IS5022 switches they are "unmanaged" and are not capable of running an SM (subnet manager) so the other step you would need to take is to start opensm on...
View ArticleRe: basic inter-vlan routing
Hi I think you will need to create ACL's and apply the ACL's to the subinterfaces
View ArticleRe: ibdump for Windows
Hello Aleksey, Can you please try to run it as 'ibdump -d mlx4_0 -i <port> -o <output file>' and let me know if it works?Also please run 'vstat' and 'ibstat' and share the output....
View ArticleRe: ibdump for Windows
Hello Einav, Thanks for advise. But I'm afraid it does not work.cmd was opened with admin privileges, output was like: c:\Program Files\Mellanox\MLNX_VPI\IB\Tools>ibdump.exe -d mlx4_0 -i 1 -o...
View ArticleConnect-X adapter fails to receive invalid IPv6 frame
Hello, I am using two Ethernet adapter cards (ConnectX-3 40G), on an Ubuntu system. I have noticed that certain Ethernet frames are not received by the cards, but are received fine by other Ethernet...
View ArticleConnect 2* HP switch with 2*Mellanox
Hi, I have 2 * Mallanox Switch SX1012 configured with MLAG. Is it possible connect 2 * ME SX1012 and 2 * HP 2910 Switch with RSTP like on the picture?Thanks--------------...
View ArticleRe: Connect 2* HP switch with 2*Mellanox
Can you explain what are you trying to do?Why don't you use MLAG configured on the SX1012 for example? Closing a loop between the switches will cause the RSTP to block one of the ports. se-rulez...
View Article