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DB2 - Problem description

Problem IC87852 Status: Closed

After a crash during shutdown while truncating a log file, crash recovery
may fail due to truncated log.

product:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problem description:
Due to a timing hole where the log file is truncated during a 
crash the LFH with the SQLPG_HFLAG2_GHCK_TRUNC_LOGFILE flag is 
not written. 
 
Errors produced in the db2diag.log should be similar to the 
following 
 
2012-03-16-04.52.29.626688-240 I2164616A373 LEVEL: Error 
PID : 373150 TID : 1 PROC : db2loggr (DB2INST1) 0 
INSTANCE: db2inst1 NODE : 000 
FUNCTION: DB2 UDB, data protection services, 
sqlpgInitRecoverable, probe:5520 
DATA #1 : <preformatted> 
Unexpected size for S0012345.LOG, PageCount 4074 ExtSize 7000 
actualFileSize 16687104
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* After a crash during shutdown while truncating a log file,   * 
* crash recovery may fail due to truncated log.                * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 LUW version 10 fp1                            * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 10.1 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows

Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
04.11.2012
17.12.2012
17.12.2012
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
10.1.0.2 FixList
10.5.0.2 FixList