Re: Problem with raidframe: bad disk or bad memory, how to tell?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Jul 10, 2008 at 03:20:21PM -0700, Brian Buhrow wrote:
>       Hello.  Well, thanks for the tip.  Perhaps this sheds some light on
> the problem.  If I run fsck on wd0, the disk attached to channel 0, it
> reads good.  If I do a similar check on wd1, the disk attached to channel 1,
> all reads good as long as there's no activity on wd0.  However, if there's
> activity on both disks simultaneously, wd1 will give corrupt data.
> Is this a sign that the ATA controller is toast?  This isn't a new machine,
> and it has been running in production for a good while.
> Here's how the ATA buses and disks probe:

It could be an issue with the disk controller (toast, or it has a
silicon bug); but it could also be a power supply issue: it may not
be strong enough to power both disks at the same time

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--