CICS Storage Manager Workshop

Objectives
On successful completion of this course, attendees will be able to:

• solve storage constraint problems such as SOS and paging issues
• solve storage violations
• describe the implications of Subsystem Storage Protection
• explain the benefits and cost of implementing Transaction Isolation.

Who Should Attend
CICS Systems Programmers
Prerequisites
Experience as a systems programmer working in a CICS environment
Duration
2 days
Course Code
CSMW
Contents
Resource definition
Storage Management SIT parameters STGPROT, TRANISO, (E)DSALIM, and xDSASIZE parameters; STORAGECLEAR Transaction attribute.


Internal architecture
DSA Management; Extents; Subpools; SCEs and SCFs; SMXs; Storage Check Zones; TRANISO - Transaction Isolation and storage violations.


Debugging and tuning
Identifying the cause(s) of Short On Storage (SOS) conditions; Affinity and Threadsafe issues; Types of Storage Violations and their effects and how to solve them and eliminate them.


NOTE
Attendees are encouraged to bring resource definitions and statistics reports to this course, so that their own environment can be reviewed.