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.

SUBJECT TO ANY WARRANTIES WHICH CAN NOT BE EXCLUDED OR EXCEPT AS EXPLICITLY
AGREED TO IN THE APPLICABLE LICENSE AGREEMENT OR AN APPLICABLE SUPPORT
AGREEMENT, IBM MAKES NO WARRANTIES OR CONDITIONS EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
Concurrent jobs working on the same file, making record level
changes.  Small window exists where one job checking to extend
the database file aux storage may get blocked, forever, on
actions in another job.  Requires an IPL to get out.  At least
one symptom is #dbfords being the last db routine in the stack.

CORRECTION FOR APAR MA45757 :
-----------------------------
Concurrency processing has been enhanced with this set of code
changes.

CIRCUMVENTION FOR APAR MA45757 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF62202      OSP-DB Internal performance improvements for cpyf, alter tab
   MF61944      OSP-DB SLIC DB Maintenance
   MF61166      LIC-DB-MSGMCH3203 f/#dbinsim
   MF61802      LIC-DB Future release compatibility changes
   MF61364      OSP-DB Database Insert Processing Improvements
   MF61326      OSP-DB-MSGMCH3402 F/T stringHighUse/QDBFEOD is returned when
   MF61057      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF60988      OSP-F/#DBDELIM-T/QDBUDR-RC1716-MSGMCH3203 RGZPFM WITH ALWCAN
   MF61044      OSP-DB-OTHER-F/#DBXPUSH-T/QDBPUT-MSGMCH3203 CPF5257 F/QDBSIG

Summary Information

IBM i Support