Re: modifying degraded raid 1 then re-adding other members is bad
From: Neil Brown
Date: Wed Aug 09 2006 - 19:17:17 EST
On Wednesday August 9, jengelh@xxxxxxxxxxxxxxx wrote:
> >> Why we're updating it BACKWARD in the first place?
> >To avoid writing to spares when it isn't needed - some people want
> >their spare drives to go to sleep.
> That sounds a little dangerous. What if it decrements below 0?
md decrements the event count only on a dirty->clean transition, and
only if it had previously incremented the count on a clean->dirty
transition. So it can never go below what it was when the array was
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/