Reference information

Use this information to learn more about messages, message queues, logs, CL commands, problem-handling menus, Authorized Program Analysis Reports (APARs), and how to determine the primary or alternative console.

• Details: Messages
  Use this topic to find out details on the types of messages and the ways to manage messages.
• Details: Message queues
  Use this topic to find out details on the different types of message queues and the several ways to manage message queues.
• Details: Logs
  Use this topic to find out details on the different log types.
• Details: CL commands
  You can use several problem analysis commands when you experience problems with your system.
• Details: Problem-handling menus
  Use the problem-handling menus to help analyze problems.
• Details: Authorized program analysis reports
  You can use these parameters for the APAR command.
• Determine the primary or alternative consoles
  If the Operations Console has been configured as the primary console, the system will start the Operations Console.
• Replace the battery power unit on Models 5xx and expansion units FC 507x and FC 508x
  Use this procedure to remove or replace the battery power unit on Models 5xx, and expansion units FC 507x, and FC 508x.