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Date:      Tue, 11 Mar 2008 15:08:04 -0500
From:      Dan Nelson <dnelson@allantgroup.com>
To:        kalin m <kalin@el.net>
Cc:        "Tamouh H." <hakmi@rogers.com>, freebsd-questions@freebsd.org
Subject:   Re: RAID
Message-ID:  <20080311200804.GA34485@dan.emsphone.com>
In-Reply-To: <47D6D277.40806@el.net>
References:  <47D5E08D.1000203@el.net> <283601c88322$b4ba8af0$6900a8c0@tamouh> <47D6D277.40806@el.net>

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In the last episode (Mar 11), kalin m said:
> thanks....
> i did install the system now on ar0. the dmesg output below didn't change. 
> the df does show only one drive - ar0 - with a few slices...
> assuming now that i have RAID1 working is there any way to monitor disks 
> individually? or as an array?
> how can i be sure that the RAID is actually working? or get any stats?
> i figured the driver for the <Intel MatrixRAID RAID1> must be iir. bit from 
> the iir man page ther is not much about monitoring or status...

MatrixRAID is one of those not-really-raid controllers that only
provides RAID during the boot process, and the OS has to implement RAID
in software itself.  FreeBSD has an ataraid driver to handle these
cards.  The atacontrol command lets you view status.  See the ataraid
and atacontrol manpages for more info.

-- 
	Dan Nelson
	dnelson@allantgroup.com



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