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MF66839 - LIC-MEDIA-TAPE-WAIT DURING VARY ON

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-MEDIA-TAPE-WAIT DURING VARY ON


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    MF66836   00/00    0000
CO   5770999  V7R3M0    MF63926   00/00    0000
CO   5770999  V7R3M0    MF65113   00/00    0000



NOTICE:
-------
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APAR Error Description / Circumvention

-----------------------------------------------
If a bus failure occurs during a vary on of a tape device or
tape library the vary on may go into a long wait and cause other
jobs to wait.

A vary on of a drive in a library in sequential mode fails with
MSGCPD2616 RC3404 if it was previously attached in random mode
during the current IPL of the LPAR.

CORRECTION FOR APAR MA48052 :
-----------------------------
The code has been changed to prevent this long wait.

The code has been changed to allow a drive that was in random
mode to be varied on after the tape library has been switched to
sequential mode.

CIRCUMVENTION FOR APAR MA48052 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF65970      LIC-MEDIA-TAPE-WAIT
   MF65970      LIC-MEDIA-TAPE-WAIT
   MF63927      LIC-MEDIA-TAPE Handle load failures better
   MF65114      LIC-MEDIA-TAPE-WAIT
   MF65114      LIC-MEDIA-TAPE LIC LOG 4201002B
   MF65114      LIC-MEDIA-TAPE
   MF63929      LIC-MEDIA-TAPE Handle load failures better
   MF63111      LIC-MEDIA-TAPE Diagnostic Improvements
   MF62950      LIC-MEDIA-TAPE-MSGCPF67AC WITH TAPE DEVICES IN DISABLED STAT
   MF62950      LIC-MEDIA-TAPE-WAIT
   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
   MF63925      LIC-MEDIA-TAPE Scheduler Diagnostic Improvements

Summary Information

System..............................i
Models..............................
Release.............................V7R3M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA48052
Superseded by:......................View fix details for PTF MF67924
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C0310730


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Document Information

Modified date:
22 November 2020