External drive

Started May 4, 2013 | Discussions thread
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Erik Ohlson
Forum ProPosts: 15,811
Stupid Question, many thanks!
In reply to Howard Moftich, May 6, 2013

Howard Moftich wrote:

I just want to clarify what was said.  CCC or SuperDuper! will do a *smart copy* which means it will find new/changed files (since the last copy) and copy only those new/changed files to the 'master' backup.  What it will NOT do is keep a series of copies over time (ala Time Machine).  Each technique has it's own advantages and disadvantages.  I usually have *both* a TM and SD copy made for any machine and data I care about.

Thanks for the replies - that gives me something to check into.

It was a real wake-up call when my sister's newer machine suddenly died 

So, if I understand what I think you are saying, "Time Machine" will keep saving the same thing (including changes) over and over, wheras "CCC" or "SuperDuper" will just update from time to time with only new or changed data.

Is that pretty much what happens?

Cheers, and thanks, all,  -Erik

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