Mellanox eSwitchd issue on Openstack Havana nova-compute
Hi all,I have an SR-IOV enabled installation of Openstack Havana (RDO) on CentoOS 6.5 compute nodes. I have followed the docs atMellanox-Neutron-Havana-Redhat - OpenStack to set up Neutron on the...
View ArticleHow to configure Mellanox card to accept breakout cable connection (4x10Gbps)?
Hello, We installed 2 Mellanox NIC on serverA and 2 of them on serverB. Mellanox NIC info: Model: MCX354APSID: MT_1090110019Driver: mlx4_enversion: 2.2-1.0.1 (Jun 13 2014)firmware-version: 2.31.5050...
View ArticleWhen can we expect the OpenStack Cinder iSER patch for Grizzly
mellanox-openstack/cinder-iser · GitHub
View Article56 GbE over a ConnectX-3 VPI adapter
Hello, I have a pair of ConnectX-3 VPI adapters (MCX354A-FBCT) in Ethernet mode and am attempting to test out 56 GbE connectivity by directly connecting the adapters to one another via an FDR cable...
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Mellanox L2 VMS reference guide is now avaiable on Mellanox.com
Hi all, Mellanox VMS reference guide, offers a set of guidelines for a standard layer 3 based VMS and a standard layer 2 based VMS. Naturally, network designers may find it necessary to apply some...
View ArticleRe: Usability of HP 544FLR-QSFP in non-HP server
After digging further - HP uses a non-standard PCIe bus protocols for their FlexLOM PCIe 8x slots. So only FlexLOM cards work in that slot and FlexLOM cards do not work in standard PCIe slots. You...
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Re: mlxfwmanager --query returns 'failed to open device'
Thanks for the reply. Unfortunately, I'm not working on that Appliance any more, so I cant get the answers to your questions ...
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ConnectX MNPH29B-XTC_A1-A2 peak traffic
Hello all!I have a strange problem with Mellanox Technologies MT26448 [ConnectX EN 10GigE, PCIe 2.0 5GT/s] (rev a0).I have a few servers with the same cards. All servers with Debian Linux OS.First...
View ArticleRe: ConnectX MNPH29B-XTC_A1-A2 peak traffic
Hi, I looked at the log you sent but I can't think of anything I've seen before. It looks like the kernel is failing on alloc operation which could happen because of various reasons. Initially, I...
View ArticleRe: Cannot get 40Gbps on Ethernet mode with ConnectX-3 VPI
Hi, i saw you applied a good set of performance tuning parameters but still go through the recommended once and make sure you didn't leave anything impotent...
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Re: MTU 4K on ISR 9024-D-M
it is quite an old switch and i am not sure if it supported the 4K MTU.
View ArticleRe: Connect problems with ISR 9024 switch
Hi Paul, i couldn't see what error message you are referring to. the GUI screenshot looks clean or maybe i missed anything.you also said you tested B2B with local OpenSM on the servers. pay attention...
View ArticleRe: fan speed on IS5023
Hi Eric, can you try re-seating the fan?if still the same, replace th fan unit with another fan unit ( if you have one lying around) if this fails, open an RMA request at: Mellanox Technologies: RMA...
View ArticleRe: Cannot get 40Gbps on Ethernet mode with ConnectX-3 VPI
Hi and thanks for the reply, I have 8 cores in total on each server, but when I use more than 4 on iperf (e.g. -P 8), I get worse performance. I guess this is because I have two sockets, and each of...
View ArticleRe: Mellanox IS5030 - Broken Firmware
Hi Randal, 1. What is the software version of the switch? run "show version concise"?you can re-instate the original PSID to the switch by burning the correct bin file: 2. upload the attached bin file...
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Re: Cannot get 40Gbps on Ethernet mode with ConnectX-3 VPI
Hi, Happy to see you were able to find the missing performance numbers the performance tuning guide i provided above has the --set-priv-flags recommendation - see page 15.there is also a kernel...
View ArticleRe: OFED install - not a valid identifier issue
I have this issue as well, installing mlnx-en-2.3-1.0.0 on CentOS 6.6. Build output is as follows: make[1]: Entering directory `/usr/src/kernels/2.6.32-504.1.3.el6.x86_64' CC [M]...
View ArticleRe: OFED install - not a valid identifier issue
Hi Isaac, I believe that the kernel issue you are describing is fixed in MLNX_OFED 2.3-2.0.0 Please give it a try and report back.
View ArticleRe: Mellanox IS5030 - Broken Firmware
Hi!If you can access console with serial port, you'll be boot from 2nd boot image. Then you can update appropriate firmware for your switch. IS5030 has 2 boot image bank and will update each boot image...
View ArticleRe: File Copy Performance on ConnectX-2
Hi! I'm so sorry for my late answer...:)You must use 4k MTU and tune some parameters.RSS, LRO, MTU in device manager and use latest Mellanox driver and firmware for your Windows server. Good luck...:)
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