IBM Support

MF60646 - LIC-DISK Unable to start DS8000 HyperSwap replication

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

LIC-DISK Unable to start DS8000 HyperSwap replication


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
TR   5770999  V7R2M0    MF99103   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.

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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 is unable to add new DS8000 disks to an existing ASP. When
using SST to add disks to an existing ASP, the user is returned
to the main SST menu without adding the disks to the ASP. No
error message is displayed. This problem may occur when adding
DS8000 disks where a Metro-Mirror or Global-Mirror relationship
has been started for the disk since the IBM i partition was last
IPLed. The IBM i partition must be IPLed in order to add the new
disk units.

CORRECTION FOR APAR MA44885 :
-----------------------------
A PTF will be created to correct this problem. Apply the PTF to
prevent problems adding new DS8000 units to existing ASPs after
starting a Metro-Mirror or Global-Mirror relationship. If the
DS8000 volumes may be used for DS8000 HyperSwap, it is
recommended that Metro-Mirror relationships be started before
presenting the DS8000 volumes to the IBM i partition even with
this PTF applied. This practice conserves resources used by IBM
i when a transition to a new Metro-Mirror relationship occurs
while the IBM i is running.

CIRCUMVENTION FOR APAR MA44885 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR MA44846 :
-----------------------------------------------
The problem applies to IBM i systems that have a DS8000
HyperSwap configuration. User is unable to start Metro-Mirror
replication using the CHGHYSSTS command. The CHGHYSSTS command
fails withe a CPF9898 message in the job log with the following
text: "The HyperSwap operation failed due to an unknown reason.
The reason code is 4.". The problem may occur when Metro Mirror
replication is suspended due to a communication problem between
the primary and secondary DS8000 systems. In order to re-start
Metro Mirror replication, the DS8000 system administrator must
restore the PPRC paths using DS8000 interfaces.

CORRECTION FOR APAR MA44846 :
-----------------------------
A PTF will be created to correct the problem. After the PTF is
applied to the IBM i partition, the CHGHYSSTS command will
attempt to restore the PPRC paths that are needed to resume PPRC
replication. There are situations where DS8000 administrator
intervention will still be necessary to restore PPRC paths. One
example is an IPL of the IBM i partition between the time that
Metro Mirror replication was suspended and the time that the
CHGHYSSTS command is issued to resume replication.

CIRCUMVENTION FOR APAR MA44846 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF60716      LIC-DISK Delete Independent ASP does not complete

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA44885
View details for APAR MA44846
Superseded by:......................View fix details for PTF MF99109
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C6127720


System i Support

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Document Information

Modified date:
17 November 2015