[CentOS] backing up my system with dump

Mon Apr 17 22:56:58 UTC 2006
israel.garcia at cimex.com.cu <israel.garcia at cimex.com.cu>

I'm running CentOS 4.3 on Intel. I don't have any tape device on my
system for backup, but I have an entire disk (/dev/sdb) for backup ...
my question is:

How can I backup ALL my filesystems to some place of my backup hdd
(dev/sdb) using dump/restore?

I don't want to use tar.