Linux® on the Mainframe

12.2. Systems management disciplines

In contrast to what you may be used to on a UNIX system, systems management on the mainframe goes far beyond just managing a few users. Systems management covers an extensive range of policies, procedures, and tools. We will divide systems management into essentially arbitrary disciplines that, nonetheless, reflect the division of responsibilities in many large IT installations. Furthermore, the disciplines we are going to use also map to the areas in which many tool providers specialize.

We will distinguish these disciplines:

• Availability management

• Data management

• Security management

• Performance and capacity planning

• System administrator tasks

The following subsections provide an overview of these disciplines. ...