I have a Macpro1,1 with the following disk config:
90GB Agility 2 SSD in optical bay for boot.
1TB WD Black for home directory / user files
2TB Green for MP4 movies
2TB Green for DVD iso images Titles beginning with A to M
2TB Green for DVD iso images Titles beginning with N to Z
External FW800 2TB WD Green as Time Machine for just the boot and user files (no movies)
So I have managed to fill up my 3 X 2TB drives with my movie collection and have need to add some more hard drive space. I have ordered the Sans Digital external eSATA case linked below and plan to attach it to my SI3132 based eSATA controller.
Newegg.ca - Sans Digital 4 Bay eSATA Port Multiplier JBOD Tower Storage Enclosure (no eSATA Card bundle) TR4M+BNC
I have also ordered a pair of WD Green 2TB drives to start off with.
I also keep an eSATA hard drive dock connected and use bare 2TB drives as my backups of the internal 2TB drives. About once a month I just copy over whatever I have added so it is a pretty basic hands-on approach to backup.
So my question is.... Should I set up these disks in the external enclosure as a JBOD spanned set (if I am using the right terminology)? I read that in early days of OS X if a single drive failed you lose the whole set? Has this been fixed in Snow Leopard?
Should I consider some sort of RAID for data protection (I don't care about speed)?
Looking for ideas so fire away.