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MF68178 - LIC-DB Recycle sanity check and serialization enhancements

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-DB Recycle sanity check and serialization enhancements


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
PRE  5770999  V7R3M0    MF64742   00/00    0000



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
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for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

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Code', the terms of which were provided in a printed document that was
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REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
Customer may see file damage along with 0600 5EED vlogs for the
same file.

CORRECTION FOR APAR MA48540 :
-----------------------------
This PTF adds some additional serialization to prevent two
records from recycling the same aux piece at the same time.
Also includes additional sanity check to detect and prevent the
same issue.

CIRCUMVENTION FOR APAR MA48540 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF66260      OSP-DB Improve performance of forcing data space index
   MF65008      OSP-PAR-940XBASE LONG JOURNAL WAITS - RECRA
   MF63277      LIC-DB performance improvement accessing force bitmap
   MF63038      LIC-DB excessive 06004C31 vlogs
   MF62928      OSP-PAR B6001215
   MF62876      OSP-DB Database Initialization (SLIC) IPL/Vary-on step perfo
   MF62695      OSP SLIC DB vary-on diagnostics
   MF61466      LIC-DB-OTHER-SRCB6005121-UNPRED SYSTEM HALT DURING NORMAL OP
   MF61165      OSP-DB-OTHER-THREADS-PERFM RESTORE FAILS WITH MCH1604
   MF61009      LIC-DB Reduce DB Recovery time on vary-on after flash copy
   MF60989      LIC-DB Force recycled Aux pieces at close
   MF60969      LIC-DB VL06005EED for very large files
   MF64769      OSP-DB Improve performance of forcing data space index
   MF61295      OSP-DB DataBase Vary-On processing to avoid tolerated except
   MF61174      OSP-DB DataBase Vary-On processing to avoid tolerated except

Summary Information

System..............................i
Models..............................
Release.............................V7R3M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA48540
Superseded by:......................View fix details for PTF MF68283
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1098730


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Document Information

Modified date:
17 April 2021