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4 3.2.3 IPoIB Mode Configuration Manually Configuring IPoIB Subinterfaces 3.4.1 Creating a Subinterface 3.4.2 Removing a Subinterface 3.5 Verifying IPoIB Functionality 3.6 The ib-bonding Driver 3.6.1 Using the ib-bonding Driver 3.7 Testing IPoIB Performance 33 33 34 34 35 35 36 36 37 RDS 41 4.1 4.2 41 41 3.3 3.4 Chapter 4 Chapter 5 Chapter 6 SDP 43 5.1 5.2 5.3 Overview libsdp.so Library Configuring SDP 5.3.1 How to Know SDP Is Working 5.3.2 Monitoring and Troubleshooting Tools 5.4 Environment Variables 5.5 Converting Socket-based Applications 5.6 Testing SDP Performance 43 43 43 44 44 46 46 53 SRP 55 6.1 6.2 Chapter 7 55 55 55 55 56 58 59 59 61 63 7.1 7.2 63 63 63 64 65 65 65 66 66 67 69 69 69 70 71 7.6 Rev 1.20 Overview SRP Initiator 6.2.1 Loading SRP Initiator 6.2.2 Manually Establishing an SRP Connection 6.2.3 SRP Tools - ibsrpdm and srp_daemon 6.2.4 Automatic Discovery and Connection to Targets 6.2.5 Multiple Connections from Initiator IB Port to the Target 6.2.6 High Availability (HA) 6.2.7 Shutting Down SRP MPI 7.3 7.4 7.5 Chapter 8 Overview RDS Configuration Overview Prerequisites for Running MPI 7.2.1 SSH Configuration MPI Selector - Which MPI Runs Compiling MPI Applications OSU MVAPICH Performance 7.5.1 Requirements 7.5.2 Bandwidth Test Performance 7.5.3 Latency Test Performance 7.5.4 Intel MPI Benchmark Open MPI Performance 7.6.1 Requirements 7.6.2 Bandwidth Test Performance 7.6.3 Latency Test Performance 7.6.4 Intel MPI Benchmark Quality of Service 73 8.1 8.2 8.3 8.4 8.5 8.6 73 74 74 75 75 75 Overview QoS Architecture Supported Policy CMA features IPoIB SDP Mellanox Technologies