[openstack-dev] [neutron][sriov]mellanox infiniband sr-iov with openstack neutron sriov agent error

李阳 yang.li at easystack.cn
Wed Nov 30 04:54:31 UTC 2016


Hi all;
I got an issue for sriov-nic-agent .
environment :
OpenStack:liberty
OS:CentOS 7.2,3.10.0-327.20.1.es2.el7.x86_64
Mellanox type:Mellanox MT27500 Family [ConnectX-3]
Mellanox driver:OFED_LINUX-3.4-1.0.0.0-rhel7.2-x86_64
what I need:
  With sriov configuration on mellanox ib with infiniband mode,use neutron sriov agent to attache vf port to VMs。
issue :
  the Mellanox ib SR-IOV has been configured:
 
 
  and neutron sriov nic agent is also running ,bug the log showed like this:
 
 
after reading the code of sriov nic agent, the agent use ip link show ib0 to get vfs, but in infiniband mode, it doesn't work
 
  when the mode is Ethernet, it worked well:
 
It seems the sriov nic agent doesn't support infiniband mode.
But according to openstack wiki, the infiniband should be supported.
https://wiki.openstack.org/wiki/Mellanox-OpenStack
https://wiki.openstack.org/wiki/SR-IOV-Passthrough-For-Networking


so I don't what's wrong with my environment, can someone answer me ?
 





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