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[OM] Re: Low cost backup

Subject: [OM] Re: Low cost backup
From: Chris Crawford <chris@xxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 13 May 2008 12:48:57 -0400
My second copy is stored offsite.


-- 
Chris Crawford
Photography & Graphic Design
Fort Wayne, Indiana

http://www.chriscrawfordphoto.com  My portfolio

http://blog.chriscrawfordphoto.com  My latest work!

http://www.plumpatrin.com  Something the world NEEDS.



On 5/13/08 8:01 AM, "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:

> Not if the "failure" was caused by fire, flood, tornado or hurricane.
> That's the reason for the third electronic copy.  It's stored somewhere
> else.  Consequently, it may not always be perfectly up to date but the
> vast majority is protected.
> 
> I also don't backup in parallel since I'm always concerned about some
> sort of software induced error or corruption being transmitted from
> drive to drive.  If fact, that's probably more likely than any sort of
> hardware failure.  So I risk some short term loss by not backing up
> right away in the hope I might detect some anomaly with the main image
> drive before it gets copied elsewhere.
> 
> This is where CD/DVD storage has an advantage.  Once properly written it
> can't be electronically corrupted.  Perhaps there's a role here for
> cheap DVD's to provide short term (1-2 year) off-site storage until a
> completely full hard drive is archived.
> 
> Anyone have thoughts on the drive-to-drive transmission of software or
> data corruption?
> 
> Chuck Norcutt
> 
> Wayne Harridge wrote:
>> 
>> 
>> 
>> 
>>> Chris Crawford <chris@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>>> 
>>> Well I guess with triple copies they won't likely all fail at once so
>>> you
>>> can take a chance. I have my archives in duplicate because I cannot
>>> afford 3
>>> copies of everything, and I doubt I'll have a problem but I guess it is
>>> possible both copies of one of my drives could die together (I have 6
>>> 500GB
>>> external drives, and each has a backup copy for a total of 12 drives).
>>> 
>> 
>> ...and you can always go back to your negatives should all that electronic
>> stuff fail !
>> 
>> 
>> Wayne Harridge
>> 
>> http://lrh.structuregraphs.com
>> 
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