On Fri, Apr 22, 2005 at 06:44:37PM +0300, Ari Sovijärvi wrote:
> 
> In that case, why is RAIDframe still reading both in the mirror during 
> FSCK even if the array is dirty? I keep my disks in mobile HDD racks which 
> have their own activity LEDs, so I see how they're accessed. During 
> boot-FSCK, I see both disks being active for 10 seconds, then first for 10 
> seconds, then the second for another 10 seconds. It goes on alternating 
> between them until the FSCK is complete. But since parity is known being 
> dirty, why are they both being accessed for reading?

Probably because you don't have one disk for data, one for parity, but
data and parity interleaved between the 2 drives.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--