Re: Does the MCX314A-BCCT support 3rd party QSFP modules?
Hi Chris, Regarding your question: Are 3rd party QSFP optics and/or cable assemblies supported or blocked in the MCX314A-BCCT?No is the answer as Mellanox doesn't block any of the third party optics or...
View Articlemlnx ofed 3.x for centos/RH 6.7 ?
Is there a mlnxofedinstall for Centos/RH 6.7 ?The current latest version only supports 6.6 and 7.0 and I have 6.7 servers.I can install with --skip-distros-check but then the kmod and some other...
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Re: Mellanox HPC-X environment variables. Use the map or the terrain?
Thanks, So I will stick with the manual then. Cheers
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Re: Grid Director 2012--The switch you've logged in is not the master SM...
hi 惠锋 方, We can assume that the question/issue is answered/resolved?
View ArticleRe: mlnx ofed 3.x for centos/RH 6.7 ?
Hello Mark, Soon we are going to release an OFED driver for RH6.7.The 'distro' option is not relevant in this case. BR,Einav
View ArticleRe: Slow write speeds unsure where to begin.
Hello Michael, I would like to refer you to our performance tuning guide which can assist with server tuning and improving the...
View ArticleRe: No connection MT26428
Hello Vorak, Thank you for the output. I went over the files it seems like the MTU on ib0 is mismatching. on one server its 2044 and on the other one its 4092.So first I will make sure both servers...
View ArticleRe: Mellanox FlexBoot hangs system startup
Hello Peter, Can you please attach a screenshot?Also can you please tell whether the Mellanox HCA is enabled on the pxe boot sequence? Thanks,Einav
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Re: Mellanox FlexBoot hangs system startup
Hi, at this point in the boot process I cannot make a screenshot yet, so attached is a photo.Normally, the sequence is like Mellanox Flexboot inits, Integrated Ethernet boot ROM1 inits, Integrated...
View Articlemac-address or arp on "MLNX-OS SX6036"
So regular switch vendors have "show mac-address" or something alike to to show which ports connect to which mac-address and even hostnames that are connected. Is there an equivalent command or view...
View ArticleRe: mac-address or arp on "MLNX-OS SX6036"
HI Snd, thwre re the fabric inspectoe feature ( which requires a license for $) that will show this in the switch WebUI in a textual format and In the switch CLI. You can also run "iblinkinfo" or...
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Re: Atomic compare and swap on Connect-IB
Hello Anal, Please try using the latest (driver) OFED 3.0 and latest firmware. This will insure that you are using latest fixes. However, if you are still seeing the same error output, after upgrading...
View ArticleRe: Slow write speeds unsure where to begin.
On page 14 of the document it says The following command assigns the affinity of a single interrupt vector:echo <hexadecimal bit mask> > /proc/irq/<irq vector>/smp_affinity Bit i in...
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Re: mac-address or arp on "MLNX-OS SX6036"
Thank you very much! So do all hosts connecting to same IB switch show the same outputs of "iblinkinfo" and "ibnetdiscover" ?As in host-1 isn't going to link a port to a different host then host-2...
View ArticleRe: mac-address or arp on "MLNX-OS SX6036"
Hi SND, So do all hosts connecting to same IB switch show the same outputs of "iblinkinfo" and "ibnetdiscover" ?Answer - yes,maybe in a different order, but the data is the sameAs in host-1 isn't going...
View ArticleRe: PCI-E Bus Errors with ConnectX-3 and Asus X-99E WS
Update: it looks like the problems persist, even after another BIOS update (to version 1301) and setting PCI-E gen 1. Some cards in the cluster still fail to initialize, while others do not even appear...
View ArticleRe: Atomic compare and swap on Connect-IB
I have had this issue before. Using atomics on Connect-IB requires different queue pair setup flags than ConnectX-3 (for example, IBV_EXP_QP_CREATE_ATOMIC_BE_REPLY), and probably requires using...
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Re: No connection MT26428
Hello Einav,I check mode and mtu on both server card under /sys/class/ib0/ and it says4092 and datagram on both. Please advise..
View ArticleDoes RDMA support ARM64 architecture?
Hi all, out of curiosity I would like to understand whether or not Mellanox RDMA supports ARM64 architecture.If not yet, what's the plan for the future? Is anybody aware of the status of supporting...
View ArticleRe: No connection MT26428
Thank you Vorak, I saw the different MTU on the OS level, can you please double check with 'ifconfig ib0' on both servers? BR,Einav
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