What they don't warn you about in RAID school though, is that after a failure, when the RAID is being rebuilt, your data is 100% vulnerable! And this striping process can take 24 hours or more for large disks!
How _likely_ is it that you'll have two failures in a row? Well, the drives *are* likely from right next to each other on the production line. On Mon, May 11, 2009 at 12:34 PM, Jeff Wright <[email protected]> wrote: > Yes, RAID is more complex and it's not fool-proof. RAID isn't > supposed to have any data security beyond what entails from a single > drive failure (or 2 with RAID 6). Lose one drive with RAID 1 or 5 and > you've lost no data. If you have hot-swap drives, you can stay up > through the drive replacement and array rebuild. ************************************************************************* ** List info, subscription management, list rules, archives, privacy ** ** policy, calmness, a member map, and more at http://www.cguys.org/ ** *************************************************************************
