User guide

viii IB0054606-02 A
OFED+ Host Software Release 1.5.4
User Guide
A Benchmark Programs
Benchmark 1: Measuring MPI Latency Between Two Nodes . . . . . . . . . . . A-1
Benchmark 2: Measuring MPI Bandwidth Between Two Nodes . . . . . . . . . A-4
Benchmark 3: Messaging Rate Microbenchmarks. . . . . . . . . . . . . . . . . . . . A-6
OSU Multiple Bandwidth / Message Rate test (osu_mbw_mr)
A-6
An Enhanced Multiple Bandwidth / Message Rate test
(mpi_multibw) . . . . . . . . . . . . . . . . . A-7
B SRP Configuration
SRP Configuration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Important Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
QLogic SRP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Stopping, Starting and Restarting the SRP Driver . . . . . . . . . . . . . . . . B-3
Specifying a Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
Determining the values to use for the configuration . . . . . . . . . . B-6
Specifying an SRP Initiator Port of a Session by Card and
Port Indexes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8
Specifying an SRP Initiator Port of Session by Port GUID . . . . . B-8
Specifying a SRP Target Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9
Specifying a SRP Target Port of a Session by IOCGUID . . . . . . B-10
Specifying a SRP Target Port of a Session by Profile String . . . B-10
Specifying an Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-10
Restarting the SRP Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-11
Configuring an Adapter with Multiple Sessions . . . . . . . . . . . . . . . . . . B-11
Configuring Fibre Channel Failover. . . . . . . . . . . . . . . . . . . . . . . . . . . B-13
Failover Configuration File 1: Failing over from one
SRP Initiator port to another. . . . . . . . . . . . . . . . . . . . . . . . . . . B-14
Failover Configuration File 2: Failing over from a port on the
VIO hardware card to another port on the VIO hardware card. B-15
Failover Configuration File 3: Failing over from a port on a
VIO hardware card to a port on a different VIO hardware card
within the same Virtual I/O chassis . . . . . . . . . . . . . . . . . . . . . B-16
Failover Configuration File 4: Failing over from a port on a
VIO hardware card to a port on a different VIO hardware
card in a different Virtual I/O chassis . . . . . . . . . . . . . . . . . . . . B-17
Configuring Fibre Channel Load Balancing. . . . . . . . . . . . . . . . . . . . . B-18
1 Adapter Port and 2 Ports on a Single VIO. . . . . . . . . . . . . . . . B-18
2 Adapter Ports and 2 Ports on a Single VIO Module . . . . . . . . B-19
Using the roundrobinmode Parameter . . . . . . . . . . . . . . . . . . . . B-20