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MF65273 - LIC-JRN New Journal System Sequence Number implementation

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-JRN New Journal System Sequence Number implementation


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
NONE



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels.  This PTF may be a prerequisite
for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

This PTF is subject to the terms of the 'IBM License Agreement for Machine
Code', the terms of which were provided in a printed document that was
delivered with the machine.

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APAR Error Description / Circumvention

-----------------------------------------------
The journal system sequence number is a single sequence number
used across all journals for which it is specified. It is an
ever increasing value tied to the system clock. This can cause
problems when the system clock is turned back.

CORRECTION FOR APAR MA47242 :
-----------------------------
A new journal system sequence number has been implemented that
is not tied to the system clock time. It is not used by default
and requires a manual action to activate.

To activate:
STRSST
Option 1. Start a service tool
Option 4. Display/Alter/Dump
Option 1. Display/Alter storage
Option 2. Licensed Internal Code (LIC) data
Option 14. Advanced analysis
Enter SYSSEQNUM for Command and Select
Enter to view options

An IPL is required for changes to take effect.

CIRCUMVENTION FOR APAR MA47242 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF64160      OSP-OTHER-PERFM JO-EVALUATE TASK IS CONSUMING CPU WHILE LITT
   MF63493      OSP-OTHER-MSGCPFA0D4 VARY ON OF IASP CAUSES MANY IFS VLOGS A
   MF62734      OSP-JRN-MSGCPF70D5RC3 FILTERED REMOTE JOURNAL ENDS WITH CPF7
   MF62258      OSP-DB-JRN Degraded performance due to increased IO and gate
   MF62039      LIC-DB-JRN-RC2-MSGCPF7091 CPF7091 RC2 NO JOURNAL MENTIONED
   MF61625      LIC-DB-JRN Long journal sync IASP vary on C600 4058
   MF61643      LIC-OTHER-WAIT GATE WAIT WHILE COMMITTING MORE THAN 32K TRAN
   MF59738      LIC-DB-JRN Journal sync points falling too far behind
   MF58565      LIC-DB  Long Journal synchronization step during IASP vary o
   MF58160      OSP- Internal maintenance
   MF57895      OSP- Internal maintenance
   MF60092      OSP CHGRMTJRN JRNSTATE(*INACTIVE) causes jobs to hang
   MF58399      OSP-JO Ending remote journal causes one minute delay
   MF59536      LIC-DB-JRN Correct dump size in 0D00 4056 vlog
   MF62939      LIC-DB-JRN-PERFM QDBSRV JOBS RUNNING CONSTRAINT ENFORCEMENT
   MF60836      OSP-DB Internal Maintenance for DB IPL/Vary-on
   MF59563      OSP- Internal journal debug enhancements
   MF59174      OSP- Journal *RMVINTENT enhanced debug
   MF57832      OSP-DB LARGE ACCESS PATHS REBUILT DURING IASP VARY-ON

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA47242
Superseded by:......................View fix details for PTF MF68824
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C9123720


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Document Information

Modified date:
05 August 2021