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I know this sounds dumb but should I stop using my Mac while using Carbon Copy Cloner to produce a bootable backup? What's going to happen if some files are changed while the backup process is going on?

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up vote 4 down vote accepted

Carbon Copy Cloner's knowledge base has an article about it.


Yes and no, it really depends. Performance will be affected during the clone (especially the first one) as CCC reads the entire source volume and writes to the destination volume. If your work is "disk bound" -- that is your applications are reading or writing to either the source or destination, then you'll notice a performance hit. If you're just reading email or writing a Pages document, then you probably won't notice the performance hit.


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