> databases, and pg_dumpall is suited to dumping a database _system_ (ie,
> multiple databases on one host).
> 

Right.

>   pg_dumpall seems to do this for me, without any command-line args
> needed.  Am I correct in saying that 'pg_dumpall > filename' will produce
> a PostgreSQL dump that includes _everything_ I need to go from a clean
> PG install to accepting connections again with data intact?  Users,
> passwords, etc?
> 

and the owner of pg_dumpall process must be a database superuser.

regards,
bhuvaneswaran

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