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MF57214 - LIC-OTHER-UNPRED ENHANCEMENT TO ALLOW CLEAN *DETACH OF GEOMI

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-OTHER-UNPRED ENHANCEMENT TO ALLOW CLEAN *DETACH OF GEOMI


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
TR   5770999  710  MF99006   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

-----------------------------------------------
Currently by design, users of Geographic Mirroring within an i
hosting i environment, if a *DETACH operation is performed while
the Production system is fully operational and there are no
steps being made to bring the system to a "quiet" state as well
as no steps being made to quiesce the host prior to the *DETACH,
there is a greater risk for encountering damage on the mirror
side client at activation time and it becomes more obvious at
full system save time.

There will be a change made so that when a *DETACH to GeoMirror
is made in the manner as described above, the risk of damage
will be minimized.

Suggested work around:
ENDSBS *ALL *IMMED or Power down the partition on the source
client, then use CHGASPACT *SUSPEND on the source HOST prior to
the *DETACH operation.

CORRECTION FOR APAR MA42923 :
-----------------------------
Detach will now wait for current writes to be sent to the target
before completing.

CIRCUMVENTION FOR APAR MA42923 :
--------------------------------
None.


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
--------------  ------------------------------------------------------------
   MF56841      LIC-OTHER-RC024A-MSGCPFBA48 GEOGRAPHIC MIRRORING SUSPENDS, C
   MF56577      LIC-OTHER-MSGCPI096F FUNCTIONAL ENHANCEMENT TO GEOGRAPHIC MI

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA42923
Superseded by:......................View fix details for PTF MF99011
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C3298710


System i Support

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Document Information

Modified date:
18 July 2013