If you have more than one 32-bit DB2® copy on your system, you can convert them
to 64-bit instances.
About this task
Restrictions
- DB2 32-bit and 64-bit instances
cannot coexist on the same system.
- You cannot install a 64-bit DB2 copy
on a system with multiple 32-bit DB2 copies.
- You cannot upgrade directly from a 32-bit pre-Version 10.5 DB2 copy to a 64-bit DB2 Version 10.5 copy.
You can upgrade from a 32-bit pre-Version 10.5 DB2 copy to a 32-bit Version 10.5 DB2 copy then update from DB2 Version 10.5
32-bit to DB2 Version 10.5
64-bit. Refer to the "Upgrading DB2 32-bit
servers to 64-bit systems" topic.
Procedure
- Move all your 32-bit instances over to one DB2 copy using the db2iupdt command.
- Uninstall the 32-bit DB2 copies,
except for the one where you have moved all your 32-bit instances
over to.
- Install DB2 Version 10.5 64-bit
which will upgrade your 32-bit DB2 Version 10.5 instances
to 64-bit DB2 Version 10.5 instances.
DB2 10.5 for Linux, UNIX, and Windows