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Does Carbon Copy Cloner do a Smart Update when cloning?

[cassco]cassco (apparently) - 05:31am Mar 26, 2008 PST
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I just backed up my main OS using CCC 3.0.1. After doing so, I ran CCC again after I had made some changes to the main volume's software. I selected "Copy selected items" and the info I got was:

The selected items from "MacBook 10.4.10 Boot" will be copied onto "Boot CCClone". Items on "Boot CCClone" will not be overwritten if they are newer than items at the same path on "MacBook 10.4.10 Boot". Any items that exist on "Boot CCClone" that do not exist at the same path on "MacBook 10.4.10 Boot" will be left untouched.

I assumed that even though all source items were checked, only those clone items that were older than that item on the source would be overwritten.Not so! When I ran CCC, I got an error message that the process had stopped as there wasn't enough room on the cloned drive! I checked and found  CCC generated a complete new copy of my boot volume onto the clone drive and did not have room for two copies!

CCC just seemed to generate a copy of every item in the source regardless of its age. Hence, it ran out of room. Note, those items that were changed in the source since the previous clone amounted to about 25 MB and there was about 90 GB of free space on the clone drive. The source was about 107 GB.

Shouldn't CCC behave like SuperDuper!'s Smart Update? Am I doing something wrong? Any ideas what the problem is?

Thanks,

Tom Casselman
casscoc-fourth.com











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cassco (apparently) - Mar 27, 2008 1:33 am (#1 Total: 3)  

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Re: Does Carbon Copy Cloner do a Smart Update when cloning?

I just updated to CCC 3.1. The language is much clearer and the
option now reads "Incremental backup of selected items". When I ran
CCC this time, it indeed overwrote only those items that had changed
since the last cloning.

So, all is well.

Thanks,
Tom Casselman
casscoc-fourth.com

Joel R. Hall - Mar 27, 2008 1:33 am (#2 Total: 3)  

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Re: Does Carbon Copy Cloner do a Smart Update when cloning?

Yes, there is a way to do this. Below the "Copy selected items", check the "Delete items that don't exist on the source" and if you have room also select the "Archive modified and deleted items." This gives a fallback if you accidentally deleted a file on the source computer.

Also, note that there is a new CCC 3.1 out that is said to be better. I have not yet updated myself, so I apologize if the selections for the functions has changed.

CCC rocks, I've been using it for a number of years now and it's saved my butt a few times!

Good luck. Joel.

baltwo - Mar 28, 2008 1:56 am (#3 Total: 3)  

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Re: Does Carbon Copy Cloner do a Smart Update when cloning?

Queries about CCC are best handled at the CCC Discussion forum: http://forums.bombich.com/index.php

-------- Bombich Forums moderator.



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