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MF62950 - LIC-MEDIA-TAPE-MSGCPF67AC WITH TAPE DEVICES IN DISABLED STAT

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-MEDIA-TAPE-MSGCPF67AC WITH TAPE DEVICES IN DISABLED STAT


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
PRE  5770999  V7R3M0    MF62389   00/00    0000
PRE  5770999  V7R3M0    MF60907   00/00    0000
CO   5770999  V7R3M0    MF62951   00/00    0000
CO   5770999  V7R3M0    MF62952   00/00    0000
CO   5770999  V7R3M0    MF61621   00/00    0000
CO   5770999  V7R3M0    MF60973   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
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.

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REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
A MSGCPF67AC occurs when attempting a partition migration. The
tape drives were previously in a reserved status but are now
disabled.

CORRECTION FOR APAR MA45996 :
-----------------------------
The tape code has been changed to allow the partition migration
if they were last known to be reserved but are now disabled.

CIRCUMVENTION FOR APAR MA45996 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR MA46054 :
-----------------------------------------------
Several jobs may start waiting on a gate because two tasks got
into a deadlock between gates and the jobs require one of the
gates. This can occur when the IOP for a multi-path capable tape
drive is IPLed while trying to vary on a tape device.

CORRECTION FOR APAR MA46054 :
-----------------------------
The code has been changed to prevent this particular deadlock.

CIRCUMVENTION FOR APAR MA46054 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF62897      LIC-MEDIA-TAPE Improved Diagnostics
   MF62015      LIC-MEDIA-TAPE-LOOP MOVER LOST FOR MULTIPATH CAPABLE DRIVE
   MF61619      LIC-MEDIA-TAPE MULTIPATH IMPROVEMENTS
   MF61405      LIC-MEDIA-TAPE MULTIPATH IMPROVEMENTS
   MF60972      LIC-MEDIA-TAPE MULTIPATH ENHANCEMENTS
   MF60972      LIC-MEDIA-TAPE MULTIPATH IMPROVEMENTS
   MF60972      LIC-MEDIA-TAPE MULTIPATH FIXES

Summary Information

System..............................i
Models..............................
Release.............................V7R3M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA45996
View details for APAR MA46054
Superseded by:......................View fix details for PTF MF69054
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C7061730


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Document Information

Modified date:
28 October 2021