AUDIENCE:   This course is for experienced AIX System Administrators, or delegates who have recently attended the course AIX System Administration Part 1. PREREQUISITES:   Delegates should have a good basic understanding of AIX System Administration gained through at least three months practical experience and should have attended the AIX System Administration Part 1 course. DURATION:   2 days. Hands on. OBJECTIVES:   To provide attendees with the additional knowledge required to closely monitor the performance and optimally tune an AIX based system. To satisfactorily cope with the day to day monitoring of a multi-user AIX site and be able to identify performance issues and devise strategies to overcome them. COURSE CONTENT:   Introduction to AIX Systems Administration Part 2 An Operating System Performance Monitoring Tuning Optimisation Workload Nothing in Isolation Objective Performance System Types Site Specific Systems The Global Picture Performance Related Areas The Kernel CPU and Process Monitoring Processes Some System Processes Timing Commands The Timex Command Scheduler Priorities Real Time Processes Allocating Priority Changing Priority The uptime Command The w Command The iostat Command The vmstat Command Data Collection Utilities Collecting System Activity Data Producing System Activity Reports Monitoring CPU Activity Examining Process Queue Activity Monitoring System Call Activity Resource utilisation by completed processes Improving CPU Performance The sched o command Virtual Memory Manager Page-Replacement Algorithm Paging Space List Page Space Add Page Space Change Paging Space Characteristics Remove Page Space Virtual Memory Statistics Display current state of Virtual Memory Monitoring Virtual Memory Activity Reduced Memory System Simulator Using rmss to run a command over a range of memory sizes Improving Virtual Memory Management Using the vmo command to change kernel characteristics Logical Volume Management Vary-on and Vary-off Disk Access Times Mirroring Scheduling Policies Disk Allocation Policies Inter-Physical Volume Allocation Policy Intra-Physical Volume Allocation Policy Listing Physical Volumes Listing Logical Volumes The iostat Command Monitoring the performance of the file system Displaying placement of file's blocks Monitoring File System Activity Future Directions Appendix A UNIX Accounting System Logical Volume Manager Commands GM 08/01