Comment Re:Define "massive" (Score 1) 609
On the WD20EADS: I've had nine of those running in a mostly perfect environment (active cooling, probably never hitting 40 deg C) for about half a year now. Three of them have since died in rapid succession with little warning, one is in the process of following suit. Skip the old ones, go straight for the WD20EARS.
As for the rest of the hardware: I've gotten myself a Synology DS1010+ with a DX510. Ten bays for less than $1500, running at acceptable noise levels. As far as cons go, you're limited to ext3 and it's maximum partition size of 16 TiB. Because you can only use whole disks to build an array, the effective limit is around 14.5 TiB using ten 2 TB disks in RAID-6, 5+Hotspare or nine disks in RAID-5. On the pro side you have easy set-up, well-built hardware and acceptable performance. Alternatives might include Thecus' N7700 (7 bays around $1k) or something from QNAP. Some of them offer stacking (i.e. 7 disks with one appliance, 14 with two, 21 with three), xfs, a built-in battery backup and so on.