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Table of Contents DYNAMIC PATH FAILOVER FOR AIX ................................................ 3 Introduction............................................................................................ 3 SAN Management................................................................................... 4 Storage Management ............................................................................. 4 Path Management .................................................................................. 4 SCSI and FCP Drivers ........................................................................... 5 Load Balancing ...................................................................................... 5 HOW PREFERRED PATHS WORK........................................................ 6 Multiple LUNs........................................................................................ 6 More than two paths............................................................................... 6 Multiple Hosts ........................................................................................ 7 ADAPTER SPECIFICATIONS.................................................................. 9 Trademarks ............................................................................................ 9 SOFTWARE AND HARDWARE INSTALLATION............................. 10 Driver Installation (command line)...................................................... 10 Driver Installation (smit) ..................................................................... 12 Hardware Installation.......................................................................... 13 AutoRecover ......................................................................................... 14 AIX Configuration................................................................................ 15 Persistent Bindings............................................................................... 16 SMIT COMMANDS .................................................................................. 17 Commands............................................................................................ 17 Path Management Commands ............................................................. 18 Manage Licensing ................................................................................ 19 How to set path preferences ................................................................. 20 TROUBLESHOOTING ............................................................................ 22 ERROR MESSAGES................................................................................. 26 UPGRADING THE DRIVER ................................................................... 27 APPENDIX A ............................................................................................. 28 Identifying Fibre Channel Components ............................................... 28 PC2000 LED Meanings ....................................................................... 31 PC4000 LED Meanings ....................................................................... 32 1
