This course is designed to prepare you to identify and resolve problems on a highly available cluster using PowerHA SystemMirror 7.

Target Audience:

This intermediate course is for students who are experienced AIX system administrators with TCP/IP networking and AIX Logical Volume Manager (LVM) experience who are responsible for maintaining a PowerHA SystemMirror 7 and later cluster on an IBM Power Systems server running AIX 6.1 or later. The lab exercises are conducted on an AIX 7.1 TL1-level system.


  • Describe the config_too_long and event_error cluster event problems and what impact these problems will have on cluster operation
  • Locate the source of a cluster event problem
  • Resolve cluster event problems and return the cluster to normal operation
  • Resolve network and Cluster Aware AIX problems
  • Resolve C-SPOC and LVM problems


You should have:

  • AIX, TCP/ IP, LVM storage and disk hardware implementation skills
  • An understanding of PowerHA SystemMirror concepts
  • The ability to install, configure, and manage a two-node cluster
  • An understanding of basic cluster problem determination and familiarity with PowerHA SystemMirror log files

These skills are addressed in the following course and its prerequisites (or can be obtained through equivalent education and experience):

  • AN61GB DYNIX/ptx Numa- Q System Administraion I (AN61GB)


  • Welcome
  • Unit 1 - Problem determination strategies and tools
  • Unit 2 - Resolving event script problems
  • Exercise 1 - Problem determination strategies and tools
  • Exercise 2 - Resolving event script problems
  • Exercise 3 - Resolving network, CAA and RSCT problems
  • Exercise 4 - Resolving C-SPOC and LVM problems

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