How to separate CI and DB instance which is currently on same host

Hi Experts,

I want to separate my database instance form central instance by installing new database server.

Please help me with your expert advices and documents to do that.

my current configuration is Database+CI on the same server with one application server is cluster with the same server and one more application server.

I am using AIX with DB2 database. Want to Know that how to separate central instance from CI.

Looking ahead for you prompted response.

Helpful answers will be rewarded.

Thanks in Advance,

Dhiraj Mishra