Luzmar Caicedo Useche <luzmar(dot)caicedo(at)open-world(dot)com(dot)ve> writes:
> If I execute:
> pg_dump mibd -U postgres > midb.out
> Dont receive any error message, but midb.out is empty.... (0 kb)
Given that it's RHEL4, maybe you have a selinux permissions problem?
Does /usr/sbin/getenforce say that selinux is in enforcing mode,
and if so, does pg_dump work better after doing "/usr/sbin/setenforce 0"
as root?
If so, you probably need to update your selinux policy module.
regards, tom lane