100% vulnerable? Really? By 100, you mean *just* the data on the disks...right. So not really 100% since you aren't using it as a backup and have all that data over there while it rebuilds. So really it's not vulnerable at all...
On Mon, May 11, 2009 at 12:10 PM, Tony B <ton...@gmail.com> wrote: > 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 <jswri...@gmail.com> 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/ ** > ************************************************************************* > ************************************************************************* ** List info, subscription management, list rules, archives, privacy ** ** policy, calmness, a member map, and more at http://www.cguys.org/ ** *************************************************************************