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Date: Mon, 18 Jul 2011 05:09:24 -0700
From: perryh@pluto.rain.com
To: lev@freebsd.org
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References: <1352622184.20110718002715@serebryakov.spb.ru>
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Cc: freebsd-hardware@freebsd.org
Subject: Re: SiI 3132 goes crazy and marks both disks as "Reserved" after
	each	reboot
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Lev Serebryakov <lev@freebsd.org> wrote:

> Hello, Freebsd-hardware.
>
>  I've added SiI 3132-based controller with two SATA disks to
> system, and almost lost my sanity: "gstripe" configuration
> becomes lost after each reboot. After some investigation,
> I found, that after each reboot last sector of disk contains
> SiI meta-information instead of GEOM:STRIPE one.
>
>  SiI RAID uitility shows disks as "Reserved disks," but refuse
> to delete RAID volume, as here is no one.
>
>  How to reset this state? And where SiI controller store
> information (additional to last sector)?

Dunno what-all else may be needed, but one way to preserve the SiI
metadata would be, instead of gstriping the disks themselves, make
a slice (MBR) or partition (GPT) on each disk -- a little smaller
than the whole disk -- and gstripe those slices or partitions.