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File Copy Performance on ConnectX-2
Hello, We are trying to use a pair of ConnectX-2 QDR cards to robocopy large directories between servers and are hitting a performance wall. So far we're only able to squeeze out around 3Gb/s...
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OpenStack Neutron Mellanox ML2 Driver Configuration in Bright
This article below describes how to use the Mellanox Neutron ML2 Mechanism Driver to add Mellanox InfiniBand support to an existing standard OpenStack Icehouse cloud deployment (running with ML2 +...
View ArticleRe: Mellanox SX Switch Stacking / Mlag Question
is Link aggregation(LACP, Port channel) across two SX1016 switches a capability in currently sofware release of MLNX-OS(3.4000)? best regardsthankslee
View ArticleRe: Newbie Cluster Builder
Hello Ali and welcome to our community! Although this community deals with really complicated matters .... , I have to admit, i enjoyed reading your post. We will try to get you going. So far it does...
View ArticleRe: eth_ipoib not creating ethX
Hello, I do not see this behavior on MLNX_OFED 2.3-1.0.1 Can you please re-test it with the most updated version and report on your findings ?
View ArticleRe: Strange рerformance problem with CX354A - ConnectX-3 QSFP with large...
Hi, A few questions if this have not been resolved yet 1.Assuming these are all with the same HW spec did you try to disable cpuspeed or add -F to the test ?2.have the driver work with 4k MTU. you can...
View ArticleRe: ib_send_bw test with ConnectX-3 VPI adapter card over XenServer 6.2 fails...
I also believe that with regards to CentOS there was a bug in an old perftest version that might be causing this. please try to use a more updated one
View ArticleRe: Neutron ML2: VM instances do not get IP via DHCP
Hi Nishant,you don't need to install mlnx-dhcp agent. it is only for IB.to make sure all other configuration is correct, please try to give your vm static IP and ping another vm or node in the network.
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Re: File Copy Performance on ConnectX-2
IPoIB on Windows Server 2008 R2 limited 8Gb actually. If you wish more performance you must switch to Windows Server 2012 R2 with SMB Direct...:)
View ArticleRe: Neutron ML2: VM instances do not get IP via DHCP
Hello again Nurit :-) Thanks for confirming that mlnx-dhcp agent is not needed for ethernet. With static IPs I can ping between VMs (no problems there). Is there anything that I can try to debug the...
View ArticleRe: OFED install - not a valid identifier issue
Hi Masahiro san, Well I rebuilt this machine after getting it into a knot. I also found despite no messages in this regard that I needed to install redhat-rpm-config the self test now passed and...
View ArticleRe: OFED install - not a valid identifier issue
Hi Paul-san, Thank's good news! Then you can manipulate it using commands for IB.And yes, this forum, I think is very useful and has a lot of ideas from nice users Thanks,Masahiro
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Re: Query on mellanox ml2 mechanism driver
Hi,The Modular Layer 2 (ml2) plugin is a framework allowing OpenStack Networking to simultaneously utilize layer 2 networking technologies. It currently works with the existing openvswitch,...
View ArticleIpoIB transfer rate 70 mb/s......
Hello, i'm trying to create a home lab with infiniband hardware, here is my setup : 1 x Qlogic 12300-BS01 (Subnet manager integrated) flashed with latest intel firmware1 x Poweredge r300 with mellanox...
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