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DB2 - Problem description

Problem IC89923 Status: Closed

AUTOMATIC RUNSTATS MIGHT NOT EVALUATE A TABLE IF DATABASE DEACTIVATION
OCCURRED WHILE THE TABLE WAS BEING PROCESSED.

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
When AUTO_RUNSTATS is enabled for a database, evaluations to 
process tables occur periodically.  If the database is 
deactivated while automatic runstats is processing a table, 
automatic runstats might fail to evaluate the table in future 
evaluations. 
 
To check if the problem has occurred, run: 
    SELECT SCHEMA,NAME FROM SYSTOOLS.HMON_ATM_INFO WHERE 
STATS_LOCK != 'N'; 
    LIST UTILITIES; 
 
The problem has occurred if: 
- the SELECT query returns more than one row, or 
- the SELECT query returns one row when LIST UTILITIES does not 
show an active Automatic runstats 
 
The problem can occur more frequently on, but is not restricted 
to, instances with more than one database enabled for automatic 
runstats.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* upgrade to DB2 LUW V9.7 Fixpack 9.                           * 
****************************************************************
Local Fix:
After a database is activated, as soon as possible before 
automatic maintenance begins, typically about 2 hours after 
activation, manually reset the stats_lock information: 
UPDATE SYSTOOLS.HMON_ATM_INFO SET STATS_LOCK = 'N' WHERE 
STATS_LOCK != 'N'
available fix packs:
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
First fixed in DB2 LUW v9.7 FixPack 9
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
30.01.2013
30.07.2014
30.07.2014
Problem solved at the following versions (IBM BugInfos)
9.7.FP9
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.9 FixList
9.7.0.9 FixList
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