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Re: RHEL7 and iser using targetcli

The tgtd daemon, aka scsi-target-utils, is still available via EPEL for RHEL 7 For LIO/targetcli "how-to", please take a look in this wiki:http://linux-iscsi.org/wiki/Main_Page For iSER:Linux SCSI...

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Mellanox QSFP to SFP+ adaptor

I tried testing the Mellanx QSFP to SFP+ adaptor with the SFP side of a QSFP to 4xSFP+ copper cable .The result was what looks like corrupted/dead EEPROM  - unable to recognize the cable anywhere .Has...

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Re: Mellanox QSFP to SFP+ adaptor

Do you use the QSA (QSFP -> SFP) adapter?Do you use Breakout-cable (4x SFP -> QSFP)?I'm not sure I understand the problem.Did you try to replace the cable/adapter and see ? Ophir.

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Re: Mellanox QSFP to SFP+ adaptor

Could you send the part-numbers of the cables/adapters?

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Re: Mellanox QSFP to SFP+ adaptor

Ophir,Thank you for your response.I am using a QSFP to SFP+ Mellanox adaptor – MAM1Q00A-QSA.I am trying to use it with a QSFP to 4xSFP+ 3m breakout copper cable form Amphenol  –  PN - 621700003.So I...

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Re: Mellanox QSFP to SFP+ adaptor

It is possible that the Brocade switch could have made changes to the EEPROM component on the cable. We reallyhave no way of telling whether it is possible. It is possible that Amphenol blocked the...

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Re: QoS for Virtual Functions(SR-IOV devices)

Hi,How many VLANs you have on the VM? is it one VLAN or two?Do you work in VGT mode? (VLAN Guest Tagging ) or VST (VLAN switching tagging)?You can review the OFED  UM on the SR-IOV chapter (4.15.6.3)Do...

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Re: QoS for Virtual Functions(SR-IOV devices)

Thanks for getting back to me.. I would like to have multiple VLANs with each VLAN having their own QoSs inside VM. It would be nice to configure everthing inside the guest instead of doing anything at...

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Big problem under CentOS 6.5 and the HP NC542m Network cards! I need help! I

Hello! I have a really really big Problem. I explain my problem later in this message! My Hardware:HP Bladecenter c30004 x BL460c G68 x Flex HP NC542m Mezz Interconnect Bay1: Cisco Catalyst Blade...

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Transceiver Module Compatability

Hi all, Can anyone tell me if optical transceivers are interchangeable between communication standards?  IE, can I use any QSFP to MPO transceiver for infiniband or does it need to be designed for...

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VMA cpu soft locks on Ubuntu 14.04

Hi all, I'm attempting to use VMA for the first time with my application.  I'm using a Mellanox ConnectX-3 (MCX311A-XCAT) card, The firmware-version is 2.31.5050 and I am using VMA version 6.6.4.0...

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Re: Re: ConnectX-3 Pro VXLAN Performance Overhead

#! /bin/bash set -x DEV=mlx4NET=21 ip addr flush dev mlx4ip link set dev mlx4 downip link del vxlan0 ip link set dev $DEV mtu 9000ip addr add 10.224.$NET.27/24 brd + dev $DEVip link set dev $DEV upip...

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Re: Big problem under CentOS 6.5 and the HP NC542m Network cards! I need help! I

Hello! Maybe i make on the Driver installation of CentOS 6.5 a error??? Because under Windows Server 2008 R2 works all fine! Port Mapping is correct! The Driver for Windows Server 2008 R2 works really...

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SX1024 no communication

Hi all, We have an SX1024 and compute nodes with Chelsio T520-CR.On the nodes this is the output of ethtool: [root@comp13 ~]# ethtool eth2Settings for eth2:    Supported ports: [ ]    Supported link...

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Simultanous TX/RX does not achieve 80Gbps (ConnectX-3 )?

Hello, Mellanox NIC info: Model: MCX354APSID: MT_1090110019Driver: mlx4_enversion: 2.2-1.0.1 (Jun 13 2014)firmware-version: 2.31.5050  We installed 2 Mellanox NIC on serverA and 2 of them on...

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Re: How to set IPoIB interface MTU in VmWare 5.5

Try the procedure I think helped me also.. Disconnect all interfaces from the switch... Then connect a 4k configured interface to the switch (be sure it's 4k)... Later connect the others.. It should...

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Re: x3 Card, Dual port. Does port 1 IB port 2 ETH work now

Has anyone tried if you can put 1 adaptor in IB mode and 1 adaptor in ETH mode? I also needed the config that grant @ schultztechnology.com wanted (1 interface ETH and 1 interface IB) and it seems it's...

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Problem installing ethernet driver, missing symbol backport_vzalloc

I have been able to build version 2.2 of the Ethernet driver against a 2.6.32-358 Linux kernel; however, I am unable to install mlx4_core because of a missing symbol: backport_vzalloc. Should the...

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Problems installing Ethernet driver, missing symbol backport_vzalloc

I have built version 2.2 against my Linux 2.6.32-358 kernel; however, the install of mlx4_core fails because of a missing symbol: backport_vzalloc. I am not sure whether the backport should be part of...

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Re: Re: QoS for Virtual Functions(SR-IOV devices)

Hi,Could you try the following:At the VM:- Configure 3 VLANs (let's say) and map each one of to egress with specific prioritylet's say    - Management VLAN10 - priority 1    - Service VLAN30 - priority...

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