I am working on upgrading my current ethernet only ceph cluster to a combined ethernet frontend and infiniband backend. From my research I understand that I set:
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nathan stratton
ms_cluster_type = async+rdma
ms_async_rdma_device_name = mlx4_0
What I don't understand is how does ceph know how to reach each OSD over RDMA? Do I have to run IPoIB on top of infiniband and use that for OSD addresses?
Is there a way to use infiniband on backend without IPoIB and just use rdma verbs?
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nathan stratton
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