Re: Observing long delay with RoCE using ConnectX-4 and SN2700
Hi Weijia, disregard the article about "HowTo Run RoCE over L2 Enabled with PFC" - this is related to switchX configuration- just follow the server related part there. For Spectrum SM2700 please...
View ArticleRe: Creating undionly.kpxe from...
Did you try to revert this particular commit and check if it can be a cause?In addition I would recommend to check ipxe developers forum regarding the issue - iPXE - open source boot firmware [contact]
View ArticleQuestion about warning banners
When conducting security tests and evaluation on the Mellanox Federal Systems SX Series Rel. 3.5 switch I noted that warning banners will be displayed on the command line, but when accessing the switch...
View ArticleI need driver for IBM Flex System EN4132 2-port 10Gb 90Y3468
Hello, I don't find driver for IBM Flex System EN4132 2-port 10Gb Ethernet Adapter (90Y3468) only I have found for IBM Flex System EN4132 2-port 10Gb Ethernet Adapter (90Y3466). Can you help me please.
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Using SN2100 or SN2700 as PTP master clock?
Is it possible to configure one of the SN2100 or SN2700 to act as a PTP master clock for the machines connected to it? Ignoring uplinks, lets say we have 10 machines with connectx-4 cards connected to...
View ArticleRe: Problems getting ISER working under Ubuntu 15.10
Hi Peter, This is expected if the following configuration is not in place, please see below: In the RN, and confirmed by engineering, only following OS supported (without extensions) (ie:...
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Re: Problems getting ISER working under Ubuntu 15.10
Sophie, Both of the above were tried, and both were unsuccessful. I'll reinstall on the systems and post the problems from both approaches.
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Voltaire Grid Director 4036
Hi all, A customer is using Voltaire Grid Director 4036 with current cluster. He wants to expand it (he will add 25 servers to a current cluster).So the question is... which type of switch would be the...
View ArticleRe: ib_send_bw performance puzzle
Sure, the syntax is very simple: Server:# ib_send_bw -s 1025Client:# ib_send_bw <server ip> -s 1025 Please see the screen shot attached. By the way, here is the output of ibv_devinfo. By default,...
View ArticleSRP single dual-port HCA multipath config problem
I'm running into a problem where the "redundant" connection to a storage system is not coming online for a SRP initiator/target setup where we have a single server direct attached to a storage array....
View ArticleESX 5.5 U3 upgrade and missing VMNICs
Upgraded HP BL2x22c Gen7 blades from ESX 5.1 to 5.5 U3. Everything seemingly went well, but after the update only one of the VMNICs from my HP NC543i adapter is working. 5.1's driver:net-mlx4-en...
View ArticleConnectx-4 VPI driver for VMware
Just wanted to touch base and see if there are any planned VPI drivers for vmware and connectx-4 yet. Currently i believe only ETH is supported.
View ArticleRe: Observing long delay with RoCE using ConnectX-4 and SN2700
Hi Eddie, thank you very much for the help, here are the tests and results I have according to your suggestion. I hope this can help you to better identify the reason of the issue.Summary:1) MLNX-OS...
View ArticleRe: Observing long delay with RoCE using ConnectX-4 and SN2700
Hi Weijia, MLNX-OS 3.5.0202 which was the first Beta code for the SN2700 switch didn't have the correct flow-control behavior. Please upgrade the switch to the latest 3.5.1006 code
View ArticleMCX416A-B and sx1012 QSFP compatibility
Hi, We are configuring 3 new servers for a small ESXi cluster (vSphere 6) and, because we already own a pair of SX1012 switches, we were looking at Mellanox for the adapters. We have 2 options:-...
View ArticleHow to build MLNX_OFED on Ubuntu 16.04
Hi there, I have a ConnectX3 Pro (MCX313A-BCCT) and I try to build the current release of MLNX_OFED (3.2-2.0.0.0) on a fresh Ubuntu 16.04 installation.Unfortunately (or "as expected"?) build fails,I...
View ArticleRe: How to build MLNX_OFED on Ubuntu 16.04
Hello, As Ubuntu 16.04 is not officially GA yet we do not yet an official driver for this release. However, you may contact Mellanox support in order to get a working drop for testing purposes.
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Re: Observing long delay with RoCE using ConnectX-4 and SN2700
Thank you very much Eddie, Where can I download the firmware for this switch? I cannot find it here: http://www.mellanox.com/page/firmware_download .
View ArticleI have a trouble that I can't change Ethernet to Infiniband.
I am trying to connect two machines with infiniband (MCX353A-QCBT) in Ubuntu 14.04. But I failed. This is my state. (lspci, ifconfig, ibstat, ibnodes, /sbin/connectx_port_config, dmesg). Does anyone...
View ArticleRe: I have a trouble that I can't change Ethernet to Infiniband.
Hi Sangmuk Jo, Can you please send the output of:"ibv_devinfo" or1. mst start2. flint -d mlx4_0 q
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