IBM Support

MF61341 - LIC-DISK Unpredictable behavior for DS8000 HyperSwap Units

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

LIC-DISK Unpredictable behavior for DS8000 HyperSwap Units


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
CO   5770999  V7R3M0    MF61511   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

-----------------------------------------------
User may see unpredictable results when using DS8000 HyperSwap
disk units and the connection between two DS8000 boxes goes
down.

CORRECTION FOR APAR MA45250 :
-----------------------------
A PTF will be created to correct this problem. The PTF should be
applied on IBM i systems using DS8000 HyperSwap disk units.

CIRCUMVENTION FOR APAR MA45250 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR MA45289 :
-----------------------------------------------
IBM i partition may crash when the partition has DS8000 disk
units and a Metro-Mirror relationship is started between two
DS8000 volumes mapped to the partition. In other words, this
problem may occur when configuring DS8000 HyperSwap on a
partition that is running. This problem cannot happen on IBM i
partitions that do not have DS8000 disk units attached.

CORRECTION FOR APAR MA45289 :
-----------------------------
A PTF will be created to correct this problem. Apply the PTF to
IBM i partitions before configuring DS8000 HyperSwap. The PTF is
not needed on IBM i partitions that do not have DS8000 disk
units attached.

CIRCUMVENTION FOR APAR MA45289 :
--------------------------------
This problem can be circumvented by starting DS8000 Metro Mirror
relationship before mapping the secondary volume to the IBM i
partiton.


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
--------------  ------------------------------------------------------------
   MF61238      IPL-SRCB6005120-INCORROUT-D/T50B1 5887 ESM FW not being upda
   MF61154      IPL-SRCB6005121 Migration from NPIV to VSCSI LUNs may fail t
   MF60961      LIC-DISK Unable to vary on IASP with DS8000 HyperSwap units
   MF60961      LIC-DISK Unable to start DS8000 HyperSwap replication
   MF60961      LIC-DISK-UNPRED CANNOT ADD DS8000 DISK TO EXISTING ASP
   MF60961      LIC-DISK Disk initialization is not reporting intermediate c

Summary Information

System..............................i
Models..............................
Release.............................V7R3M0
Licensed Program....................5770999
APAR Fixed..........................View details for APAR MA45250
View details for APAR MA45289
Superseded by:......................View fix details for PTF MF99212
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C6085730


IBM i Support

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Document Information

Modified date:
03 May 2022