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MF63707 - Cluster waiting for message to finish sending after it has a

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

Cluster waiting for message to finish sending after it has a


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
NONE



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

-----------------------------------------------
Clustering hangs when another node is partitioned out of the
cluster.

CORRECTION FOR APAR MA46426 :
-----------------------------
Code is changed to avoid the hang condition.

CIRCUMVENTION FOR APAR MA46426 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


In order to fix the problems described by this PTF, the PTF must be
applied on all nodes (on the same release as this PTF) in the cluster.
However, the entire cluster does not have to be ended to do this.  One
node at a time can be ended, the PTF applied, and the node restarted to
join the cluster.

Note, you must end Cluster Resource Services on the node, apply the
PTF, and then restart Cluster Resource Services before the fix is
available.

To determine if Cluster Resource Services is active on your system, do
a WRKACTJOB from the command line of your system and look for two
system jobs (QCSTCTL and QCSTCRGM).  If either of these jobs exist,
Cluster Resource Services must be ended on this system and you must
sign off all sessions where Cluster Resource Services APIs were used
before the PTF can be applied.  Cluster Resource Services is started
through the Start Cluster Node API.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF63595      LIC-OTHER-WAIT VARY OFF OF IASP HANGS DUE TO INTERNAL LOCK E

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA46426
Superseded by:......................
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C7290720


System i Support

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Document Information

Modified date:
02 June 2017