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Wednesday, 20 December 2017

IBM Maximo DB2 Database - How to update database logs

After installation of the database, the system will maintain all logs under the database instance folder (Usuallly it is C:\DB2). 

After installing more than one database it is recommended to group all these logs in one folder per database.

Follow below steps to organize your database log.

-- Connect to the database console
db2cmd
-- Set the current instance
set DB2INSTANCE=DB2
-- Connect to the database
db2 connect to maxdb76
-- Create folder to host all logs example here (C:\LOG\LOG_MAXDB76)
-- Create 5 folder for all log types (logarchmeth1 - logarchmeth2 - failarchpath - logpath - mirrorlogpath)
-- 8192 bytes is the size of the log file
-- 20 is the number of primary log files (pre allocated)
-- 100 is the number of secondary log files (allocated once is needed from the database)
UPDATE DATABASE CONFIGURATION USING logarchmeth1 "DISK:C:\DB2\LOG\LOG_MAXDB76\logarchmeth1"
logarchmeth2 "DISK:C:\DB2\LOG\LOG_MAXDB76\logarchmeth2" failarchpath "C:\DB2\LOG\LOG_MAXDB76\failarchpath"
newlogpath "C:\DB2\LOG\LOG_MAXDB76\logpath" mirrorlogpath "C:\DB2\LOG\LOG_MAXDB76\mirrorlogpath"
logprimary 20 logsecond 100 logfilsiz 8192 LOGINDEXBUILD OFF
-- Restart the database
db2stop force
db2start


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