Re: RAID 5 performance problems

[Neil Schemenauer]

Ross Vandegrift <[e-mail]> wrote:
> Absolutely correct - you should *never* run IDE RAID on a channel that
> has both a master and slave.  When one disk on an IDE channel has an
> error, the whole channel is reset - this makes both disks
> inaccessible,
> and RAID5 now has two failed disks => you data is gone!  *ALWAYS* use
> separate IDE channels.

I think it's okay to use both channels if you use RAID0+1 (also
known as RAID10), just be sure to mirror across channels.  As a
bonus, RAID0+1 is significantly faster than RAID5.

  Neil