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Date:      Mon, 26 Jul 2004 12:00:39 -0700
From:      "Kevin Oberman" <oberman@es.net>
To:        bugghy <bugghy@home.ro>
Cc:        freebsd-current@freebsd.org
Subject:   Re: magic sysrq keys functionality 
Message-ID:  <20040726190039.9A9935D08@ptavv.es.net>
In-Reply-To: Your message of "Mon, 26 Jul 2004 21:53:02 -0000." <1090878779.715.18.camel@illusion.com> 

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> From: bugghy <bugghy@home.ro>
> Date: Mon, 26 Jul 2004 21:53:02 +0000
> Sender: owner-freebsd-current@freebsd.org
> 
> 
> 
> 	So, what would be a convenient way to protect a 5.x release against
> data loss / corruption in case of frequent powerfaillures. (a software
> method)

Turn off write-cache on the disks. hw.ata.wc="0" in /boot/loader.conf
(But be prepared to suffer the consequences to disk performance.)
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634



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