Adam Tauno Williams wrote:
Go with Jon's suggestions. The only data loss you'll suffer with software RAID is if all power is lost at once and the data that is "in flight" to the drive disappears. The hardware way with battery backup on controllers will eliminate that risk. Best of both worlds is designing a hardware RAID setup that you can layer a software RAID on top of that minimizes all those risks!
Don't bother with RAID5; with todays storage prices it isn't worth the risks, complexity, and crappy performance. http://www.baarf.com/
Yes, I've come across that site too, also read a couple of the articles. I agree that disk-space is now so cheeap that mirroring is quite reasonable - except if I want to survive a two-disk failure. That would require three times the amount of disk-space (instead of just twice the amount). /Per Jessen, Zürich