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Status Not under consideration
Workspace CICS Transaction Server for z/OS
Categories Runtime
Created by Guest
Created on Aug 20, 2012

RELATED IDEAS

Improve Storage Violation detection

Current CICS storage violation detection is inadequate.
Check-zones (even with CSFE CHKSTSK), TRANISO, STGPROT, and SSRANGE only protect some storage.
Often, they do not protect against:
- An application using storage that it has FREEMAINed
- An application which uses storage "just beyond"
or "just before" a GETMAINed areas check zones.
Also, CHKSTSK zone checking is not granular enough..
it's easily possible for an application to execute millions
of instructions between EXEC CICS commands.

Idea priority Medium
  • Guest
    Reply
    |     Oct 5, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Transaction Processing
    Product - CICS Transaction Server

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - CICS Transaction Server

  • Guest
    Reply
    |     Sep 3, 2012

    We have no planned improvements in this area.

  • Guest
    Reply
    |     Aug 21, 2012

    In addition to what Tony wrote I want to say that in many cases storage violations despite the use of storage protection and transaction isolation are noticed too late during excecution of transactions.
    In many cases an overwritten storage check zone is discovered during task termination when there is no more TCA available. So a dump analysis is no longer possible.

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