Mellanox Interconnect Community: Message List

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Re: Observing long delay with RoCE using ConnectX-4 and SN2700

April 11, 2016, 12:34 am

Hi Weijia, Please follow the Configuring PFC section 3.1.8.1 in the MLNX-OFED User Manual (available from http://www.mellanox.com/page/products_dyn?product_family=26&mtag=linux_sw_drivers )

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Re: ib_send_bw performance puzzle

April 11, 2016, 10:57 am

Hello Weijia,Please provide exact syntax used with results for reproduction purpose. Perhaps, it's unique to your environment. Cheers,~Rage

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Re: ib_send_bw performance puzzle

April 11, 2016, 11:34 am

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,...

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SRP single dual-port HCA multipath config problem

April 11, 2016, 11:43 am

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....

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ESX 5.5 U3 upgrade and missing VMNICs

April 11, 2016, 12:16 pm

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...

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Connectx-4 VPI driver for VMware

April 11, 2016, 2:24 pm

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.

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Re: Observing long delay with RoCE using ConnectX-4 and SN2700

April 11, 2016, 9:57 pm

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...

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Re: Observing long delay with RoCE using ConnectX-4 and SN2700

April 11, 2016, 11:10 pm

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

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MCX416A-B and sx1012 QSFP compatibility

April 12, 2016, 5:13 am

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:-...

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How to build MLNX_OFED on Ubuntu 16.04

April 12, 2016, 5:21 am

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...

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Re: How to build MLNX_OFED on Ubuntu 16.04

April 12, 2016, 6:28 am

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

April 12, 2016, 11:36 am

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 .

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I have a trouble that I can't change Ethernet to Infiniband.

April 13, 2016, 2:36 am

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...

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