Terabyte RAID
6/2003 article on homebrew RAID systems
http://elib.cs.berkeley.edu/storage/brick/
RAID 2003 Hardware comparisons:
http://www.ebabble.net/html/raid_2003.html
Interesting upgrades:
They used a with a hot-swappable UDMA backplane, redundant 650W power supply.
RMC4D-S 18 bays 4U Single 550W Power Rackmount for $839
Chenbro has even newer cases with higher density! More drives in a 4U *AND* they offer a 5U case now w/ 24 hot-swap drives PLUS extra bays for FDD, CDROM, and boot HD.