Using postgreSQL on SAN/NAS

Hello,
is it possible, to use a postgreSQL database on a NAS or a SAN? I somewhere
read, that you should not install a database to a RAID5 but the most NAS and
SAN I know, are using RAID5.

Does anyone know aout anything like this?

Daniel
--
postgreSQL on Netware - the red elephant
http://postgresql.dseichter.org
Last update: 26th May 2003