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MF67925 - LIC-MEDIA-TAPE-WAIT

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-MEDIA-TAPE-WAIT


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
CO   5770999  V7R4M0    MF68143   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.

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

-------------------------------------------------
If commands that are being sent to a tape drive are timing out,
an attempt to vary on the tape drive or allocate it to a tape
library can take a long time before failing.
Before the failure occurs the QTAPARB job is in a wait state
preventing other tape devices from varying on or drive
allocations for other tape libraries from being changed.

CORRECTION FOR APAR 'MA48679' :
-------------------------------
The code has been changed to fail the allocation faster. This
will allow other tape devices to be varied on or allocation
changes to be made without waiting a long time for the
allocation of the bad device to fail.

CIRCUMVENTION FOR APAR 'MA48679' :
----------------------------------
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
--------------  ------------------------------------------------------------
   MF66840      LIC-MEDIA-TAPE-WAIT DURING VARY ON
   MF65971      LIC-MEDIA-TAPE-WAIT
   MF65971      LIC-MEDIA-TAPE-WAIT

Summary Information

System..............................i
Models..............................
Release.............................V7R4M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA48679
Superseded by:......................View fix details for PTF MF69055
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1091740


IBM i Support

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Document Information

Modified date:
28 October 2021