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DB2 - Problem description

Problem IC62378 Status: Closed

REDISTRIBUTE NOT FLUSHING LOG RECORDS IF IT CRASHES

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
If the Redistribute utility crashes at a very specific timing 
point, it can corrupt the dictionary object. 
A subsequent Redistribute operation will either fails in a way 
that cannot be recovered from gracefully (ie. a restore from 
backup would be required), or the table corruption may go 
undetected. 
 
Upon database restart after instance is restarted, a table's 
dictionary may appear to be missing. If the dictionary is 
located on new extent (one that was not present in the table 
BEFORE the Redistribute started), then this extent would not 
exist in the container -- the missing dictionary makes any 
existing table data pages useless.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* redistribute could crash if update dictionary a particular   * 
* time (timing related)                                        * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Redistribute does not flush logs in a timely manner if       * 
* redistribute crashes                                         * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* upgrade to v97 or install the latest v95 fix pack            * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.5 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
v95 code base will be updated so that if redistribute does crash 
it will have access to appropriate / updated information. The 
fix is to flush the logs on an insert to a db2 dictionary
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
05.08.2009
15.01.2010
15.01.2010
Problem solved at the following versions (IBM BugInfos)
9.5.,
9.7.
Problem solved according to the fixlist(s) of the following version(s)
9.5.0.5 FixList
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