"Realtime File System Replication On FreeBSD" How reliable is it?

[Antonio]

Hi all,

I found this site with instructions to setup what is basically a network 
RAID-1:

http://phaq.phunsites.net/2006/08/11/realtime-file-system-replication-on-freebsd/

My question is:  What experience does anyone have using this solution on 
a production environment? 

I will appreciate any thoughts or advise you may provide.

Regards,

Antonio  Noriega