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MF60269 - LIC-INCORROUT Main Storage Dump copy stuck at 97 %

PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-INCORROUT Main Storage Dump copy stuck at 97 %


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
TR   5770999  V7R2M0    MF99102   00/00    0000



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APAR Error Description / Circumvention

-----------------------------------------------
Main Storage Dump copy is stuck at 97% and the user tries to
terminate the MSD copy but can't.

CORRECTION FOR APAR MA44678 :
-----------------------------
The complete root problem is not known.
One cause of the problem is that super large segments (256 GB)
segments, which are part of tracked data of a secondary task,
are being accessed 1 page (4096 bytes) at a time and this is
taking a long time. A secondary task is a task that is idle in
the system and has not taken an exception and currently is not
in a active processor.

1.The LIC MSDMgr code was changed to ignore super large segments
when requested by a secondary task.
2.The MSDMgr code was also changed to circumvent the 1 page at a
time inspection loop by skipping to the end after 10 pages have
been inspected.
3.Additional, checking for user termination was added to allow
for the MSD copy to end, while within the inspecting loops in
the segments mentioned above.
4.LIC logs were added to dump diagnostic information of the
possible looping conditions.

CIRCUMVENTION FOR APAR MA44678 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF60221      IPL-SRCB6000103-INCORROUT SRCB6000103
   MF60211      LIC-OTHER-LOOP SMPOOLBAL TASK LOOPS WHEN POOL DRAINED BIT IS
   MF60208      LIC-OTHER-PERFM when using 4096 sector dasd
   MF60146      LIC Hang when using 4096 sector dasd.
   MF60093      LIC-OTHER-INCORROUT Damaged Files on 4096 sector units
   MF60098      OSP-PERFM SETOBJACC NOT LOADING EVERYTHING INTO THE POOL LEA
   MF60075      LIC- Jobs hang when IASP data is referenced.
   MF60023      LIC-OTHER-INCORROUT DLPAR - UNABLE TO REMOVE MEMORY; MSGHSCL
   MF60046      LIC Base Function to Enable Extensions MSDmgr
   MF59967      LIC-INCORROUT subset switched to full MSD copy corrupted.

Summary Information

System.............................. i
Models..............................
Release............................. V7R2M0
Licensed Program............... 5770999
APAR Fixed.......................... View details for APAR MA44678
Superseded by:...................... View fix details for PTF MF99109
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... C5310720


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Document information

More support for: i family

Software version: V7R2M0

Operating system(s): OS/400

Reference #: MF60269

Modified date: 01 July 2015