z/OS Basic Skills Information Center. Mainframe concepts

• Publisher: IBM Corporation
• Year: 2008
• Tongue: English
• Leaves: 58
• Category: Library

✦ Table of Contents

Contents
Introduction to the mainframe
Chapter 1. The value of the mainframe today
The S/360: A turning point in mainframe history
Mainframe architecture: Secure, compatible, and still evolving
Mainframes in our midst: You use one every day
What is a mainframe? It's a style of computing
Who uses mainframes and why do they do it?
Mainframe strengths: Reliability, availability, and serviceability
Mainframe strengths: Security
Mainframe strengths: Scalability
Mainframe strength: Continuing compatibility
Mainframe workloads: Batch and online transaction processing
Mainframes working after hours: Batch processing
Mainframes working with you: Online transaction processing (OLTP)
Roles in the mainframe world
Who is the system programmer?
Who is the system administrator?
Who are the application designers and programmers?
Who is the system operator?
Who is the production control analyst?
What roles do vendors play?
What are mainframe operating systems?
Mainframe operating system: z/OS
Mainframe operating system: z/VM
Mainframe operating system: z/VSE
Mainframe operating system: Linux for System z
Mainframe operating system: z/TPF
Chapter 2. Mainframe hardware concepts
Mainframe hardware: Terminology
Mainframe hardware: Evolving design
Mainframe hardware: I/O connectivity
Mainframe hardware: System control and partitioning
Mainframe hardware: Logical partitions (LPARs)
Mainframe hardware: Consolidation of mainframes
Mainframe hardware: Processing units
Mainframe hardware: Multiprocessors
Mainframe hardware: Disk devices
Chapter 3. Mainframe configurations: Large, medium and small (yes, small)
Chapter 4. Clustering on the mainframe: Parallel Sysplex and other techniques
Clustering technique: Basic shared direct access storage devices (DASD)
Clustering technique: Channel-to-channel (CTC) rings
Clustering technique: Parallel Sysplex
Notices
Programming interface information
Trademarks