Re: Unstable ConnectX-3 Ethernet Performance on ESXi 6.5 update 1
Hi!Performance was more lower then before num_rings_per_rss_queue=4 option. I can't find netq option in inbox driver & I can't access your link netqueue.jpg. Is there another solution? Ethernet...
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Re: SX6018 to an Connect-IB MCB191A gives me only 40Gbps, not 56Gbps
Hi Joakim, Can you provide the part number of the switch?output of "show inventory" is fine.or via the web System -> ModulesorSystem -> Inventory I suspect the part number is SX6018T which means...
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Re: SFP+ NIC mnpa19-xtr Vmware
Generally speaking, these is no Mellanox driver available that supports ConnectX-2 over Esxi6.0 However, the latest Mellanox driver that supports ConnectX-2 adapter is mlnx_ofed_esxi v1.9.10.0, over...
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Scalability issue for multiple clients
Hello, Our setup is 1 x Mellanox MX354A Dual port FDR CX3 adapter w/1 x QSA adapter1 x Xeon E5-2450 processor (8 cores, 2.1Ghz)16GB Memory (4 x 2GB RDIMMs, 1.6Ghz) We have 4-node cluster, and all of...
View ArticleRe: SX6018 to an Connect-IB MCB191A gives me only 40Gbps, not 56Gbps
Part number indeed starts with , so it seems you're right. Is this actually a completely different switch, or is the 56Gbps full FDR speed a software option?
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Re: SX6018 to an Connect-IB MCB191A gives me only 40Gbps, not 56Gbps
Hi Joakim, it's the same ASIC but it's restricted by software and fw. we can't bypass this.also the price is differnet between the FDR10 and FDR modules
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Re: Unstable ConnectX-3 Ethernet Performance on ESXi 6.5 update 1
Hi!I find this link about vmxnet3 vNIC performance limitation. Network Improvements in vSphere 6 Boost Performance for 40G NICs - VMware VROOM! Blog - VMware Blogs I think this limitation leads to...
View ArticleRe: Error MessageSystem.QueryException: unexpected token: '('
Hi, Sorry for the dumb question: can you please specify which SW package/product this exception is coming from? Version of it? Please describe the scenario on which you received this exception. ...
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Re: disable a port and you will not be able to bring it back up
Hi Leje, The Mellanox adapter ConnectX VPI is already EOF (end-of-life) in terms of sale & Mellanox support. So I suggest you overview the advanced ConnectX-3/4/5 adapters that will provide you the...
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mlx5 direct verbs example
Is there any end-to-end example application code for mlx5 direct verbs? I want to use the strided RQ feature. The best that I have found until now is the mlx5 transport for UCX, which implements...
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Mellanox ConnectX-5 adapter speed 650MB/s only
Helllo,I have two Mellanox Connectx-5 adapters connected back to back. Link speed shows 40Gbps. I am using widows server 2016. Tried with different PCIe slots and tested with iperf3. But in case of TCP...
View ArticleHowTo Uninstall ONIE/Cumulus and Replace it with MLNX-OS
Hi everyone, I'am in phase to buy 4 x SN2100-CB2FC, so delivered with a preload Cumulus. - 3 of them will be mainly used for training / testing / labs with my students and professionnal learner. -...
View ArticleRe: HowTo Uninstall ONIE/Cumulus and Replace it with MLNX-OS
Hi Fabrice, see below: My questions are: 1/ I would have to regularly reset three of them in order to go back to a ''clean'' environnement. I have read many things about it, but apparently i will...
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Re: HowTo Uninstall ONIE/Cumulus and Replace it with MLNX-OS
Thank you very much for your quick response and your professionalism!Best regards.
View ArticleRe: HowTo Uninstall ONIE/Cumulus and Replace it with MLNX-OS
Hi,As you requested me, i've emailed the Mellanox support regarding my second question.I've sending them the link to this community thread in order they can also have the context of my questions... The...
View ArticleRe: HowTo Uninstall ONIE/Cumulus and Replace it with MLNX-OS
Hi Fabrice, someone will respond through the case.
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Understanding vma multi tread tuning and what are rings?
Hello community.I got some questions.We are using mellanox with libvma for getting Market Data from exchanges.For example we got 4 igmp v3 subscriptions.I tried to use vma with isolcpus and cpusets for...
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Re: ConnectX-3 Pro VPI/EN Receive VXLAN Offloading
In order to validate receive VXLAN offload, you can configure the system by using 'ethtool' and settingg rx-checksumming and GRO on receive side, run the traffic and observe that receive packet size is...
View ArticleRe: mlx5 direct verbs example
I would suggest to continue investigate UCX and VMA (GitHub - Mellanox/libvma: Linux user space library for network socket acceleration based on RDMA compatible network adap… ). Its Multi Packet QP (...
View ArticleRe: Scalability issue for multiple clients
It might be useful if you can transform your test description to something that uses ib_read_bw/ib_write_bw or iperf (if you are using TCP) and show what is the output. Can you see any drops in...
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