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To: Sean Chittenden <sean@chittenden.org>
References: <200312140942.hBE9g2rA025044@repoman.freebsd.org>
	<xzppterzlky.fsf@dwp.des.no> <20031214124002.GT16547@perrin.nxad.com>
From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
Date: Sun, 14 Dec 2003 13:54:28 +0100
In-Reply-To: <20031214124002.GT16547@perrin.nxad.com> (Sean Chittenden's
 message of "Sun, 14 Dec 2003 04:40:02 -0800")
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Subject: Re: cvs commit: src/etc/defaults rc.conf src/etc/rc.d Makefile
 ataraid mountcritlocal
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Sean Chittenden <sean@chittenden.org> writes:
> > What exactly is the point of this?
> ar0 is created via atacontrol(8) and has to be recreated every time
> the system gets brought up because there is no hardware support for
> maintaining the state.

You don't need "hardware support for maintaining the state".  The
configuration is stored on-disk, and the ata driver should discover it
at boot time.  ad_attach() in ata-disk.c (which is called for each
disk at boot time) calls ata_raiddisk_attach().  If the disk isn't
attached to a RAID controller, ata_raiddisk_attach() will look for a
Promise configuration block, which is what atacontrol creates by
default.

DES
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Dag-Erling Sm=F8rgrav - des@des.no