It comes under Server Startup:
http://www.postgresql.org/docs/8.2/static/server-start.html
Ray Stell wrote:
Many thx. It that in the doc?
On Thu, Feb 15, 2007 at 06:21:05PM +0000, Andy Shellam (Mailing Lists) wrote:
The cluster's "name" is only the file-system's directory path.
You can easily rename this directory, as long as you pass the relevant
directory name to pg_ctl's -D parameter (which tells PostgreSQL which
database "cluster" to use.)
It goes without saying, don't move the directory while PostgreSQL is
running.