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Generic Attach on Z/OS (or attachment demystified) (A13)

Topic: DB2 for z/OS

Subtopic: 2010



DATE: 2010-5-14 (08:30 AM - 09:30 AM)
SPEAKERS: Jack Bailey (BlueCross BlueShield of South Carolina)

Attachment is simply the creation and maintenance of the communication path between an application and a database management system while the application is active. While this sounds pretty simple, there is really very little information in any IBM manual on attachment. If your shop only uses one and only one method of attachment then attachment is not an issue with you, however, most z/OS shops consist of new and legacy systems with a mixture of DB2 and IMS making mixed attachment methods a way of life and a problem.

EXP. LEVEL: Beginner,Intermediate

OBJECTIVES:

What are the various attachment methods and how are they used?

Why is this a problem? What is different in todays applications expecially when DB2 and legacy IMS applications are mixed in the equation.

How can you free yourself from imbedded attachment with a generic approach that solves mixed attachment problems.

Do NOT ignore the importance of two-phased or co-ordinated commits! Why is this a disaster waiting to happen?

When you should NOT free yourself from imbedded attachment?



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