[ovirt-users] Re: VM access to infiniband network
The error says that you can’t use IPoIB. And you’re using it. IP address on Infiniband is
IPoIB.
I don’t know the reasoning behind this, but as my experience with IB, IPoIB is a resource
hog when you have NFS on top of it. There’s no offload on the hardware. A 1GbE ethernet
card will perform better in some cases.
Regards,
On 26 May 2022, at 10:14, Roberto Bertucci
<rob.bertucci(a)gmail.com> wrote:
Hi all,
i am facing a problem while trying to associate a Mellanox infiniband interface to a
network and using it for VM traffic.
vdsm log shows the following message:
The bridge <bridge name> cannot use IP over InfiniBand interface <interface
name> as port. Please use RoCE interface instead.
Did anybody face the same problem and solve it?
Actually ib interface is configured with an ip address and we are mounting NFS
filesystems on cluster nodes through infiniband network.
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