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Date: Fri, 04 Oct 2002 16:32:26 +0200
From: Luca Berra <bluca@comedia.it>
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To: "Dr. David Alan Gilbert" <gilbertd@treblig.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linux-raid@vger.kernel.org
Subject: Re: RAID backup
References: <Pine.LNX.3.96.1021004041421.5688A-100000@Maggie.Linux-Consulting.com> <1033735943.31839.12.camel@irongate.swansea.linux.org.uk> <20021004132419.GF710@gallifrey>
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Dr. David Alan Gilbert wrote:
> * Alan Cox (alan@lxorguk.ukuu.org.uk) wrote:
> 
>>The problem with disks is you still have to archive them somewhere, and
>>they are bulky. I also dont know what studies are available on the
>>degradation of stored disk media over time. 
> 
> 
> Not sure about that; DLT tapes are pretty bulky themselves; I think the
> difference between say a set of 4 DLT tapes and a single Maxtor 320 in
> caddy would be minimal. As for stored media, I think Maxtor are quoting
> 1M hours MTTF - (I hate to think how you measure such a figure) - for
> the 320G, and that is probably longer than I'd trust either the tape or
> the drive to survive.

i DO seriously doubt that this figure includes removing the drive, 
stuffing it in a siutcase or similar, loading on a truck/car/bike and 
unloading at a remote site.

Regards,
L.

-- 
Luca Berra -- bluca@comedia.it
	Service Delivery Manager
	Communication Media & Services S.r.l.
	Via A. Modigliani 1 - MILANO
	

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