Solution : https://service.sap.com/sap/support/notes/1365982 (SAP Service marketplace login required)
Summary : 
      This SAP Note outlines the required procedure for downloading the newest versions of the DB6 scripts: db6_update_db and db6_update_client, available for UNIX (shell script) and Windows (batch file). SAPCAR is used to unpack the SAR archives containing the scripts. For db6_update_db on UNIX, Korn shell (ksh) installation is necessary. Stepwise instructions include unpacking, executing the script using specific command-line arguments, and validating the SQL scripts generated through respective output files. Numerous operational scenarios and modes for updating DB2/CLI drivers and handling are described with detailed instructions for different operating system environments.
Key words : 
global directory /usr/sap/< sid>/sys/global/db6, global directory /usr/sap/<sid>/sys/global/db6, relevant db2 luw cli/jdbc driver dvd, db2 administrator command window, note describes sql errors, db2 command window, db6 scripts db6_update_db, administrator command window, temporary directory <temp>, user db2<dbsid>
Related Notes : 
       
| 1363170 | DB6: Installing fix packs for DB2 V9.7 (Windows) | 
| 1363169 | DB6: Installing fix packs for DB2 V9.7 (UNIX + Linux) | 
| 1332109 | DB6: Upgrade to Version 9.7 of DB2 | 
| 1138550 | DB6: Installing Fix Packs for DB2 V9.5 (Windows) | 
| 1138549 | DB6: Installation of Fix Packs for DB2 V9.5 (UNIX & Linux) | 
| 978555 | DB6: Installing FixPaks for DB2 V9.1 on Windows | 
| 978554 | DB6: Installing FixPaks for DB2 V9.1 (UNIX+Linux) | 
| 603981 | DB6: Installing V8.2 FixPaks (as of FP9) on Win NT/Win 2000 | 
| 603972 | DB6: Installing V8.2 FixPaks (as of FixPak 9) on UNIX |