linux-kernel - Re: SATA disks resets in a md setup

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Message-ID: <3794dbcf42f7f6b00e50070eeb203e8b@biovista.com>
Date:	Sat, 09 May 2009 12:41:05 -0400
From:	<v.virvilis@...vista.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: SATA disks resets in a md setup

On Sat, 09 May 2009 03:35:05 -0400, Jeff Garzik <jeff@...zik.org> wrote:

> 
> For hardware details, see 
> http://ata.wiki.kernel.org/index.php/Libata_error_messages

Thanks for the link.
> 
> The ATA bus is the cable connection, so an ATA bus error typically means
> 
> - problem with your cable, or
> - your motherboard's SATA port, or
> - your drive's SATA port, or
> - "dirty power" supply, or
> - some other cause for cable interference
> 

I have changed SATA cables twice and I added a better PSU. The problem
persists.

Do you have any insight on the sectors count mismatch I mentioned in the
first mail?
The disk is 250GB but it looks it is searching for a 500GB disk (that is
md0 = sda + sdb).

Is it possible the SATA reset thing to trigger an md bug. I am totally
guessing here...

Regards
            .bill

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