From owner-freebsd-questions@FreeBSD.ORG  Mon Jul 16 16:52:58 2007
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Date: Mon, 16 Jul 2007 11:52:29 -0500
To: "Derek Holden" <dholden@gmail.com>, freebsd-questions@freebsd.org
From: Derek Ragona <derek@computinginnovations.com>
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Subject: Re: Promise RAID / ata problem
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At 11:43 AM 7/16/2007, Derek Holden wrote:
>The array was created on the Promise card.  If there is a bad disk, any
>ideas on why FreeBSD would report two arrays with each disk appearing as
>READY on one of either of them?
>
>kernel: ar0: disk1 READY (mirror) using ad6 at ata3-master
>kernel: ar1: disk0 READY (master) using ad10 at ata5-master
>
>Thanks for the responses,

FreeBSD creates dev's on boot.  It is seeing now two arrays as the disks 
are saying they are array disks, and the controller has the array as broken.

Check the Promise BIOS to see if it reports one disk as bad, or it may just 
need to rebuild the array.

         -Derek