From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Berra Subject: Re: RAID backup Date: Fri, 04 Oct 2002 16:32:26 +0200 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <3D9DA67A.8050608@comedia.it> References: <1033735943.31839.12.camel@irongate.swansea.linux.org.uk> <20021004132419.GF710@gallifrey> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: To: "Dr. David Alan Gilbert" Cc: Alan Cox , Linux Kernel Mailing List , linux-raid@vger.kernel.org List-Id: linux-raid.ids 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