Re: Please let me know 40Gb Ethernet card can split to 4 x 10Gb ?
Hi Ophir, I had inquired previously about such functionality for ESXi 5 and referenced this Mellanox link - http://ir.mellanox.com/releasedetail.cfm?ReleaseID=601497 There are also other documents...
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Re: IPoIB not working with MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR /...
Hi, thanks for your anser,It appear strange to me, because with usual ethernet IPv4 you can have 2 different interfaces with separated networks (that's what I'm already doing for ethernet network on...
View Articlesetup MaxReadReq to 4096 bytes definitely
Hello,when installing the Mellanox drivers for infiniband, the installer complains that the MaxReadReq of my PCI card is too low, and that I need to set it to 4096. In the current session I do :#...
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sRB-20210G factory default state and documentation?
Hello everyone, I recently got my hands on a pair of Voltaire sRB-20210G from ebay and tried to configure them. In the process of doing so, I did a factory reset to get rid of any configurations that...
View ArticleRe: Please let me know 40Gb Ethernet card can split to 4 x 10Gb ?
Hi Matt, I'm not sure I understand what you wish to get from ESXi5? Thanks,Ophir.
View ArticleRe: IPoIB not working with MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR /...
Hi! I thought you're in the vSphere ESXi environment... If you are working Linux enviroment use the eIPoIB protocol. IPoIB support IP application but there is some limitation. But new eIPoIB protocol...
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Re: Where is driver for Oracle Ent Linux 5 update 9?
You can try RHEL 5.9 version: http://www.mellanox.com/downloads/ofed/MLNX_OFED-1.5.3-4.0.42/MLNX_OFED_LINUX-1.5.3-4.0.42-rhel5.9-x86_64.isoIf you are using different kernel - try to run...
View ArticleRe: Oracle enterprise linux 6.5 driver problem
2.1-1.0.6 now available with OEL 6.5 support:http://www.mellanox.com/downloads/ofed/MLNX_OFED-2.1-1.0.6/MLNX_OFED_LINUX-2.1-1.0.6-oel6.5-x86_64.iso
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How to clear the target connection via add_target
Hello experts,I missed to create the target connection via add_target. as follows. (ex.)# echo...
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Re: Need help installing OFED 2.1 on Centos 6.5
Hi there, Did you up the maxReadReq size too?
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Configuration settings for IPoIB performance
Hello, I'm seeing very poor IPoIB performance with QDR switch, RH 6.5, when measured with iPerf.[ 3] 0.0-10.0 sec 3.31 GBytes 2.84 Gbits/sec I implemented the changes recommended in performance...
View ArticleRe: Configuration settings for IPoIB performance
10Gb is normal. All QDR interface use the QUAD CHANNEL.Therefore 10x4 equal to 40Gb. If you want to configure MTU=65520, you must enable the CM mode.I'm not a Linux admin but virtualization one. You...
View ArticleRe: Configuration settings for IPoIB performance
Pure centos 6.5 x86_64 1. echo "connected" > /sys/class/net/ib0/mode2. ifconfig ib0 mtu 65520 No other tuning! No external OFED install! service rdma start iperf -P 1 -c...
View ArticleSys log message
Hi , anyone know what these messages mean, anything to worry about and if not, how can I stop them from filling up my syslog files? Apr 25 16:12:29 hksw1001 issd[4840]: TID 1299130464: [issd.ERR]:...
View ArticleMXM ERROR failed to create send cq: Cannot allocate memory
I am trying to setup a small HPC cluster using Mellanox MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE] cards and a M3601Q switch to work with openMPI and SLURM. I have read that I need to...
View ArticleRe: MXM ERROR failed to create send cq: Cannot allocate memory
For MTT values, you no longer need to set them if you are using MLNX_OFED 2.x versions. So which version of MLNX_OFED are you using? This seems that if you are getting memlock limit to 64KB, it has...
View ArticleRe: IPoIB performance issue!!
Thanks a lot "yairi" and "ingvar_j" for your response. Finally I was able to achieve ~20 Gbs on FDR. withOFED : MLNX_OFED_LINUX-2.0-3.0.0 (OFED-2.0-3.0.0)Firmaware: 2.30.3000Infiniband card type: x4...
View ArticleRe: Sys log message
Hi gandriano, Can you provide the code level your Mellanox Ethernet Switch is running on?I think it's a harmless message related to an Older code level, but I would like to get your code level just to...
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Re: SX1012 Openflow => Defense4All via OpenDaylight Controller
Hi thanks for that, I was really just looking at options. In my case the DC are going to put in some thunder tps boxes from a10networks which are specifically for ddos But out of path ddos protection...
View ArticleRe: Configuration settings for IPoIB performance
Thanks wesb! I upgraded the IB drivers to latest Mellanox 2.1, set the system to "connected" mode and MTU size to 65520. Now, I'm getting performance of ~13.5Gb/s.I'm getting much less performance than...
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