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Re: SR-IOV CentOS 7 Host and CentOS 6.4 guest performance and right set up
Did you go thought Mellanox tuning guide? If system not tuned it can explain these variations in performance.
View ArticleRe: OFED version support on mixed environment
Hi, to begin with, you will need to review the OFED release notes documents to determine whether you can use a certain version of OFED with a certain version of OS/Kernel.Mellanox Products: Mellanox...
View ArticleHow to configure vlan over bond for VMA?
My NIC is MCX312A-XCBT (Ethernet only dual port sfp+). CentOS 6.5.Mlx4_en driver + kernel tcp/ip + standart linux bonding/vlan are working just fine.I also have Mellanox ofed driver stack installed...
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Replace the fiber optic cable
I have a problem to replace the fiber optic cable to an apparatus Mellanox Switch Sx6036. The cables that mounts now are: MC2207310-003-E-A2 I find that while most would be indicated: MC2207411-SR4 I...
View ArticleRe: How to configure vlan over bond for VMA?
It turned out i missed routing config and bringing up all needed interfaces after ofed start
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OpenSM service won't start
Hello, We have a couple of brand new systems - Intel S2600GZ with Windows 2008 R2 SP1 using the ConnectX2 card (MHQH19B-XTR). The issue we are having is that the OpenSM service stays in the 'Starting'...
View ArticleRe: Link speed limited to 10gbps
Finally I got approved cable and firmware reported 40gbps link speed immediately. Nice job, Mellanox, on forcing us to buy special expensive cables. I would like to _emphasize_ that the QSFP+ that NIC...
View ArticleWhy LRO is disabled by default in mlx4_en driver?
Hello, run into this problem - why the mlx4_en driver does not enable LRO by default? Is there any reason for it? It takes some time to figure it out. Especially strange is that performance tuning...
View ArticleRe: Issues with OFED 2.2.1 driver update
... was hoping someone in the community could provide some help ;-)
View ArticleRe: Link speed limited to 10gbps
Hi Philip, Seems I met the same problem with you.Could you please tell me which kind of cable you finally use?And how about transceivers? Also Mellanox product? Thanks for you help. Regards,Patrick
View ArticleRe: Link speed limited to 10gbps
This is what I got. Mellanox has approved cables/QSFP+ list of their website, I just asked re-distributor to sell me "approved" cable.ORDER DETAILS UNIT PRICE...
View ArticleRe: Link speed limited to 10gbps
Forgot to mention that this cable has two transceivers fused at the ends,
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Re: Link speed limited to 10gbps
PhilipMellanox does not lock its ports or require you to buy Mellanox cables. In fact, we constantly test third party cables in conjunction with our switches to ensure compatibility. The value...
View ArticleRe: Link speed limited to 10gbps
Thanks Philip, Hope it can work also in our system. Regards,Patrick
View ArticleRe: Link speed limited to 10gbps
Hi Anand, We met the similar issue with Philip's.CX314 card, two 40G ports connected back to back. We tested it both on Freebsd7.0 and CentOS 7.0.But the speed seen were always 10G.We didn't use...
View ArticleRe: Link speed limited to 10gbps
Hello, Anand, Colfax International never communicated to me that you are expecting mstdump, I've plugged back generic cable/QSFP+, dumps are attached. Here is a link to generic MPO cable & QSFP+...
View ArticleRe: Link speed limited to 10gbps
PatrickCould you please open a separate case with Support. We would like to triage it as if it were an independent issue.ThanksAnand
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Re: Link speed limited to 10gbps
Philip,I had updated the ticket we created for this issue. Anyway, for now I have everything I need. Look out for an email from Mellanox Support Admin for further communication ThanksAnand
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Re: Error /hca_self_test.ofed: line 165: [: too many arguments
All:Same exact symptoms here when running MLNX OFED 2.1-1.0.6 on RHEL 6.5 x86. No errors during mlnxofedinstall at all, nothing indicating that all RPM's did not install. I am going to attempt...
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