I've installed OFED 1.2 (GA) on an Opteron system with SLES 10 installed and a QLogic QHT7140 (HTX-connected InfiniPath card). The contents of /etc/infiniband/openib.conf are the defaults created by the OFED install script, which include enabling IPoIB-CM, and they look good to me. I've attached the file.
When I boot up, /sys/class/net/ib0/mode shows "datagram," however, and the MTU is set to 2044. The performance characteristics are such that I'm sure it really is in datagram mode. When I manually change it to "connected" mode, and set MTU to 65520, throughput increases dramatically, as expected, so I'm sure it really is going into connected mode. Does anybody else have a problem with IPoIB coming up in datagram mode, when you've configured it for connected mode (in openib.conf)? Can anybody see what I've done wrong here? Thanks a lot! Jeremy Brown
# Start HCA driver upon boot ONBOOT=yes # Load UCM module UCM_LOAD=no # Load RDMA_CM module RDMA_CM_LOAD=yes # Load RDMA_UCM module RDMA_UCM_LOAD=yes # Increase ib_mad thread priority RENICE_IB_MAD=no # Load MTHCA MTHCA_LOAD=yes # Load IPATH IPATH_LOAD=yes # Load IPoIB IPOIB_LOAD=yes # Enable IPoIB Connected Mode SET_IPOIB_CM=yes # Load SDP module SDP_LOAD=yes # Load SRP module SRP_LOAD=no # Load ISER module ISER_LOAD=no # Load RDS module RDS_LOAD=no # Load VNIC module VNIC_LOAD=yes # Enable SRP High Availability daemon SRPHA_ENABLE=no
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