High Availability for IBM DB2 for Linux, UNIX, and Windows 
This section looks at database administration for IBM DB2 for Linux, UNIX, and Windows – abbreviated to “DB2 for Linux, UNIX, and Windows” or “DB2 for LUW” – and makes specific recommendations on improving availability. The information provided here applies to all platforms, unless stated otherwise.
Note
This section does not apply to other IBM DB2 databases.
You increase the availability of your database using one of the following switchover cluster options:
You work out your approach to backing up your database. You must do this before you start production with the database. When using the database for production, you must back up the database as regularly as possible.
See Archive and Backup with DB2 for Linux, UNIX, and Windows.
You manage the space in your database. You do this both before you start production with the database and during production as the database grows.
You upgrade your database when required.
You recover your database if a failure occurs with data loss.
You consider using various standard tools and services offered to increase the availability of your database:
The DBA Cockpit
For more information, see Database Administration Using the DBA Cockpit: IBM DB2 for Linux, UNIX, and Windows at:
SAP Safeguarding, including GoingLive and EarlyWatch
You consider using advanced products and services to increase the availability of your database:
You review your procedures to increase the availability of your database.
Your DB2 for Linux, UNIX, and Windows database is more available for production use.