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Status Delivered
Workspace IMS Database Manager
Categories Fast Path
Created by Guest
Created on Mar 25, 2016

RELATED IDEAS

FPSI Indexing Suspension Security Capability

This addresses the FPSI (Fast Path Secondary Indexing) capability that arrived with IMS V12.

Currently, FPSI functionality can be deliberately suspended for BMP processes by specifying a //DFSCTL DD card. This is something that can be done by any user of an IMS system authorized to create and run BMP processes against Fast Path DEDBs with secondary index declarations. This broadly available, 'almost-everyone-can-use' capability represents multiple opportunities for corruptions to be introduced between indexed Fast Path DEDBs and their indices by processes both unintended and malicious. An example of unintended corruptions might be BMPs running in an IMS system with a mix of transaction workload that update a Fast Path DEDB without creating index entries, completing successfully... the data from which is used in subsequent downstream processes, resulting in incorrect processing. An example of malicious corruptions are BMPs run by anyone with ill intent, the effects of which (in a mixed-use online IMS system) may not be discovered until much later after the corruptions occurred, making recovery problematic.

Idea priority Medium
  • Guest
    Reply
    |     Oct 6, 2017

    Hi,

    Thank you for your interest in keeping IMS a vital and successful product. Software development has continuously evolved during IMS's lifetime, and so has IMS itself. We have kept pace with, adopted, and implemented many industry standard best practices within our organization, including Continuous Delivery, Design Thinking, and Agile.

    We are currently reviewing this item for consideration, and we plan to seek additional feedback from other IMS clients. When choosing new features to add from the list of requirements in our backlog, we assess which will bring the most value to as many clients as possible and our ability to deliver within the next 18 months and prioritize those.


    You will automatically be notified of ongoing progress associated with this RFE.


    Have a great day!
    Daphne Isom - dsteele4@is.ibm.com

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