My second copy is stored offsite.
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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
>>> 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
>>> 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
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