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DB2 - Problembeschreibung

Problem IC74660 Status: Geschlossen

HADR MONITOR SCRIPT MAY TIMEOUT AND RETURN UNKNOWN DURING REINTEGRATION
(UNDER HEAVY LOAD)

Produkt:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problembeschreibung:
HADR monitor script may timeout and return UNKNOWN during 
reintegration, when under heavy load. 
 
The timeouts happen because the instance is in the process of 
starting and the monitor script, which runs for each database 
every 21 seconds, is adding additional load by executing "db2gcf 
-s" and "db2 force application". Both of these 
commands are irrelevant if the instance is not started. 
 
This APAR fix will do two things to avoid HADR monitor script 
timeouts during reintegration, when under heavy load - 
 
1. HADR monitor script will return Offline if instance is not 
started 
2. Dynamically determine timeout for "db2gcf -s" based on HADR 
monitor script timeout
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* DB2 V97 HA (HADR) users                                      * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Reintegration under heavy load (many dbs) fails due to HADR  * 
* monitor script timeouts (returns UNKNOWN)                    * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to V97 latest fixpack                                * 
****************************************************************
Local-Fix:
Lösung
Modify HADR monitor script to return Offline is instance has not 
started 
Determine timeout for "db2gcf -s" dynamically, based on HADR 
monitor script timeout
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
23.02.2011
28.04.2011
28.04.2011
Problem behoben ab folgender Versionen (IBM BugInfos)
9.7.
Problem behoben lt. FixList in der Version