does pve 5.2 ceph support RDMA? it seems to me that it is in the intree repo already
https://github.com/Mellanox/ceph/tree/luminous_v12.2.4-rdma
/home/builder/source/ceph-12.2.5/src/msg/async/rdma/RDMAServerSocketImpl.cc
https://github.com/Mellanox/ceph/tree/luminous_v12.2.4-rdma
/home/builder/source/ceph-12.2.5/src/msg/async/rdma/RDMAServerSocketImpl.cc