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MF60015 - LIC-MEDIA-TAPE-WAIT IOP IPL DURING VARY ON OR OFF

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-MEDIA-TAPE-WAIT IOP IPL DURING VARY ON OR OFF


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
CO   5770999  V7R2M0    MF60016   00/00    0000
CO   5770999  V7R2M0    MF60017   00/00    0000
CO   5770999  V7R2M0    MF60028   00/00    0000



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
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for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

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REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
An IPL of the IOP while a tape library is being varied on or off
may cause the vary to wait forever in a deadlock or not
complete.

CORRECTION FOR APAR MA44548 :
-----------------------------
Code changes were made to improve the vary processing for a tape
library to prevent some of the wait or failure conditions.

CIRCUMVENTION FOR APAR MA44548 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF59882      LIC-MEDIA-TAPE Prepare for future function
   MF59380      LIC-MEDIA-TAPE Prepare for future function
   MF58690      LIC-MEDIA-TAPE Prepare for future function
   MF58086      LIC-MEDIA-TAPE-INCORROUT TAPMLB OPERATIONAL AFTER DLPAR OUT
   MF58215      LIC-MEDIA-TAPE-UNPRED DUMPING TAPE FLIGHT RECORDERS

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA44548
Superseded by:......................View fix details for PTF MF66838
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C5310720


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Document Information

Modified date:
31 March 2020