Upgrading a DB2® server to DB2 Version 10.5 on Linux and UNIX requires that you install DB2 Version 10.5 copy to a new path and then manually upgrade your existing instances and databases to this new copy.
This upgrade task describes the steps for direct upgrade to DB2 Version 10.5 from DB2 Version 9.7 or DB2 Version 10.1 regardless of the instance bit size. Review Upgrading DB2 servers with specific characteristics and determine which task applies better to your environment.
Restrictions
On Linux and UNIX operating systems except for Linux on x86, your existing 32-bit or 64-bit instances are upgraded to DB2 Version 10.5 64-bit instances. The operating system and DB2 Version 10.5 database product that you installed determines the instance bit size, see Support changes for 32-bit and 64-bit DB2 servers for details.
Additional upgrade restrictions apply. Refer to Upgrade restrictions for DB2 servers. Review the complete list.
To upgrade a DB2 server to DB2 Version 10.5:
After upgrading the DB2 server, perform the recommended Post-upgrade tasks for DB2 servers such as resetting the diagnostic error level, adjusting log space size, and rebinding packages. In addition, verify that the upgrade of your DB2 server was successful.