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Robert,
Any form of back-up procedure assumes that the amount of space required for
the back-up is available on the destination drive or media.
My point was that you could have something like a 6.4 Gigabyte drive as your
C: Drive and an identical drive as your D:, E:, or F:, etc. You could
easily use the DOS command to back-up the entire drive any time you felt in
was necessary-- as opposed to continuously doing back-ups (mirroring) of
every bit of data in real-time on the fly.
I've been working with PCs for years and have never seen a "total computer
crash" -- Generally it's a specific component --and normally a minor one--
such as a battery, controller, etc. and can easily be repaired or replaced
by a competent technician. In any of these situations, your back-up data
(and in most cases your original data) would be preserved.
If you're talking about a catastrophic event, such as a fire, flood or theft
of your computer-- no back-up procedure short of physically (or
electronically) transporting your data away from the premises will protect
against that type of calamity. (there are people who recover data from
computers that have been destroyed by fire, floods, etc., but it's
expensive, iffy, and rarely needed).
Hope this helps--
______________________--
At 08:59 PM 7/20/98 -0500, you wrote:
>
>Wouldn't available disk space and a total computer crash make this not
>method unwise?
>
>Robert
>
>At 03:36 PM 7/20/98 -1000, you wrote:
>>
>>I don't know the advantages (if any) of using mirroring software or what
>>overhead you might encounter by forcing live real-time back-ups, but I
>>assume it would be substantial and would also degrade the speed and
>>performance of your overall system -- not to mention the questionable
>>necessity of live "on-the fly" mirroring in the real world.
>>
>>You can easily back-up a hard-drive periodically, on command, by using a
>>simple DOS command like:
>>
>>C:\windows\command\xcopy32.exe C:\*.* D:\ /m /s /e
>>
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