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OS/390 MVS Parallel Sysplex Capacity Planning

TOP : Application Development

OS/390 MVS Parallel Sysplex Capacity Planning

Capacity planning in the Parallel Sysplex environment must address specific transition and growth considerations.

Opportunities exist for balancing your workload across systems in a Parallel Sysplex. Resources such as systems, Coupling Facilities and links belonging to a Parallel Sysplex have a finite capacity which, when exhausted, may slow down or disrupt service to users. You can avoid these conditions and significantly increase the productivity of users by careful capacity planning.

This redbook provides an overview of capacity planning. It defines the process and the vocabulary, and provides detailed explanations about how to do capacity planning in the Parallel Sysplex environment. Related IBM tools that help in this process are also discussed.

Capacity planning considerations for OS/390 V2R4 and related subsystems such as the DB2, IMS/DB and CICS/VSAM RLS data sharing environments are included. For the DB2 environment, a methodology is outlined for estimating the CF locking rates and for obtaining locking information based on DB2PM reports from your current system. A detailed description of RMF reporting for a Parallel Sysplex is provided.

Case studies are included for Quick-Sizer modelling of DB2 and IMS/DB data sharing. These case studies are constructed so that you can try them while reading the redbook. Additionally, information and case studies are included for UNIX capacity planning in a S/390 environment. A discussion and case study are included for a CF processing model, which enables you to evaluate proposed changes to your Parallel Sysplex configuration.

This redbook is intended for IBM large systems customers and IBM systems professionals, such as availability services specialists. Some knowledge of Parallel Sysplex and capacity planning concepts is assumed.
Price: $54.00 $43.00
Pages: 364
Date Published: January 8, 1998
ISBN: 0738403563
Author: IBM Redbooks
Product Number: SG24-4680-01
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