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Status Not under consideration
Workspace z/TPF Product Family
Categories z/TPF
Created by Guest
Created on Feb 11, 2014

RELATED IDEAS

CC3 option for catastrophic after x mods down

TPFUG_Req_Number: S99015
Contact Originator Id: John Kucsera
Abstract: Establish a SIPGEN option to take CPU down (cycle 1052 state and/or catastrophic) if "X" Mods are lost in "Y" timeframe.
Description: This is a small change to CC3 processing.

Human Error protection – If TOO many DASD Mods are lost – (AMOD UP) restoring the Mods to online state could take much too long. This option allows the user to set an alternative protection.
Critical Success Factors: SIPGEN OPTION: THE CUSTOMER SELECTS option "X" and "Y"
Solution Considerations: DASD IO is only affected.

Idea priority Low
  • Guest
    Reply
    |     Jul 25, 2017

    The existing user exit UYEN lets you add your own logic to unplanned module down and take action as you deem necessary. For example, you can add code to UYEN so that if more than 100 real time modules are offline when it is called, you can call a SERRC catastrophic to pre-emptively take down the processor. The code for the user exit can be found in base/rt/uyen.asm.

  • Guest
    Reply
    |     Jul 7, 2017

    AMEX has 800 DASD on one PCU in Real Time PROD and 4 times that number in Test & VPARS environment...
    It would take one person days to recover from a PCU failure. .

  • Guest
    Reply
    |     Oct 14, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - z Systems Software
    Product - z/TPF

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - z/TPF

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