[lustre-discuss] Lnet issue with Infiniband

[Ravi Konila]

Hi 
I am facing lots of problem with getting Infiniband to work with Lustre. 
I have installed RHEL 6.7 and Lustre 2.8 in my Lustre MDS/MGT/OSS servers.

My ib0 is working fine and I can ping other nodes.
my lustre.conf file has
options lnet networks=o2ib(ib0)

With this, If I run “service lnet start” it fails with error 
LNET configure error 22: Invalid argument

dmesg give me output as below
LNetError: 16770:0:(api-ni.c:1276:lnet_startup_lndni()) Can't load LND o2ib, module ko2iblnd, rc=256

If I specify tcp in lustre.conf,, it works fine.

I have reinstalled Lustre and then Mellanox OFED driver but still the problem is same, not able to make infiniband up with Lustre Lnet

Any help is highly appreciated. 


Regards

Ravi Konila
Sr. Technical Consultant

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