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MF53172 - LIC-MEDIA-TAPE-PERFM WHEN SAVING TO TAPE USING U160 SCSI DRI

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

LIC-MEDIA-TAPE-PERFM WHEN SAVING TO TAPE USING U160 SCSI DRI


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
CO   5770999  710  MF53235   00/00    0000
CO   5770999  710  MF51459   00/00    0000
CO   5770999  710  MF51665   00/00    0000



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

-----------------------------------------------
Even if only 1 drive is attached to IOA backup rate is not able
to use higher speed. Adapter speed is not set correctly to U160
even if drive is able to use it.

CORRECTION FOR APAR MA40921 :
-----------------------------
Apply this fix to change the device driver to attempt to speed
up the SCSI interface for drives that may allow it. Depending on
the configuration, the drive may be running at it's maximum
speed without this fix applied.  The change is only active
during device identification, so existing drive configurations
will require an IOA IPL.
This fix also has the requisites to ensure that a consistent
level of driver support for tape media libraries is on the
machine.

CIRCUMVENTION FOR APAR MA40921 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF52731      LIC-MEDIA-TAPE Large configuration
   MF52317      LIC-MEDIA-TAPE Prepare for future function
   MF51666      LIC-MEDIA-TAPE Prepare for future function
   MF51502      LIC-MEDIA-TAPE Prepare for future function
   MF50571      LIC-MEDIA-TAPE Report Large Incorrect Configuration
   MF50007      LIC-MEDIA-TAPE Prepare for future function
   MF49566      LIC-MEDIA-TAPE Prepare for future function
   MF49533      LIC-MEDIA-TAPE-SRCB6005120 On MLB device after system IPL
   MF49373      LIC-MEDIA-TAPE-D/T3577 Device missing after power up
   MF48994      LIC-MEDIA-TAPE Prepare for future function
   MF48718      LIC-MEDIA-TAPE Prepare for future function
   MF48413      LIC-MEDIA-TAPE No Error on TAPMLB Power-On failure
   MF47872      LIC-MEDIA-TAPE-D/T3573 Drives not in MLB when powered on

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA40921
Superseded by:......................View fix details for PTF MF68574
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1270710


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Document Information

Modified date:
11 June 2021