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MF52837 - LIC-OTHER-PERFM IMPROPER MEMORY NODE BALANCING AFTER DLPAR

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-OTHER-PERFM IMPROPER MEMORY NODE BALANCING AFTER DLPAR


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
TR   5770999  710  MF99002   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

-----------------------------------------------
The normal node balancing that occurs in response to partition
configuration changes (DLPAR) is intentionally suppressed while
a partition is suspended, until it is resumed.  The problem is
that the suppression is also mistakenly applied following an
IPL, so that no node balancing will occur until the partition is
first suspended and resumed.

CORRECTION FOR APAR MA40796 :
-----------------------------
The problem is fixed by not applying the suppression to the IPL
path.

CIRCUMVENTION FOR APAR MA40796 :
--------------------------------
Suspend and resume the partition after an IPL.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS IS A DELAYED PTF TO BE APPLIED AT IPL TIME.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
     NONE

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA40796
Superseded by:......................View fix details for PTF MF99011
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C1116710


System i Support

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Document Information

Modified date:
05 April 2011