clone OS X 10.6.8 as boot image

I want to create hd image of iMac OSX 10.6.8 (Snow Leopard) to external usb device as backup to use in 2 modes:


  1. internal hard disk fault:to restore image to new installedhard disk
  2. to boot iMac from external disk



Carbon Copy Cloner 3.5 makes both things?!


I know Snow Leopard has no recovery partitions, so what tools can I use to restore CCC image to a new disk when I boot if internal disk has been replaced to new one?

Posted on Oct 8, 2017 12:39 AM

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Posted on Oct 8, 2017 7:10 AM

Yes Carbon Copy Cloner can provide both services.

So can SuperDuper

So can Applications -> Utilities -> Disk Utility -> Restore (with external disk as the destination). HOWEVER, CCC and SuperDuper are much easier and nicer to use.

6 replies

Oct 9, 2017 2:49 AM in response to Rickyleroy

1. my usb disk is bootable ?

Boot your Mac using the external disk and verify you can do this. Boot holding the "Option" key and you should get a list of all the bootable disks and/or partitions available. Select the external disk. If your external disk is not listed, then your approach did not work as desired.

2. if OSX was damaged, I can use usb disk to restore the whole OSX (included app+data) to original disk?

Yes. The state of your Mac will be consistent with when you last updated the clone. You would boot from the clone and use Carbon Copy Cloner to transfer the data back to the internal boot disk.

3. You think it's better to create OSX image for my scope?

I do not understand this question. Making a wild guess, I'm wondering if you think my reference to Disk Utility was suggesting you make a disk image. I was not. The Disk Utility -> Restore feature basically does the same kind of work Carbon Copy Cloner or SuperDuper perform, with much fewer bells and whistles. For example, you cannot incrementally update your clone with Disk Utility, which means any update requires copying everything, even if it has not changed. You cannot schedule Disk Utility to perform the copy. You have to manually run Disk Utility -> Restore each time. Carbon Copy Cloner and SuperDuper offer incremental updates of the clone, copying only the files which have changed, and both offer the ability to schedule the update, so it happens on a regular bases.

If my guess as to what your #3 question was about is wrong, then you need to restate the question.

Oct 8, 2017 11:09 PM in response to BobHarris

CCC 3.5.x version ( supported for Snow Leopard) permits to choose as target:


  1. existing disk
  2. new disk image
  3. existing image disk
  4. remote Macintosh
  5. choose folder


I chose existing disk for my external usb disk while among these 3 target options:


  1. temporarily archive modified and deleted items
  2. delete anything that doesn't exist on the source
  3. keep recent files, don't delete anything


I chose temporarily archive modified and deleted items

I noted no checkbox about 'boot' flag.


Now I'd like to know:


  1. my usb disk is bootable ?
  2. if OSX was damaged, I can use usb disk to restore the whole OSX (included app+data) to original disk?
  3. You think it's better to create OSX image for my scope?

Oct 9, 2017 4:50 AM in response to BobHarris

About 3rd question I explained very bad.

In Windows environment there are tools which permit to save Operating System as image to a single file so it's possibile to make these operations:


  • to mount this image in OSX where to extract single/multiple files/folders
  • to restore this image to original internal disk, e.g. OSX corrupt or disk fault.


I ask if it's possible to make both jobs with CCC and if you suggest me this procedure because I see in CCC 'new disk image' as target.


My scope is to backup Snow Leopard before to try to ugrade to ElCapitan/Yosemite.

Oct 9, 2017 6:06 AM in response to Rickyleroy

A clone is must more flexible. In the macOS world, a disk image, is just a file system inside a container file. It is really not very different from a clone, except you have to open the image to access the contents, and you can make an image read/only.


But yes, Carbon Copy Cloner (as well as SuperDuper) can create a macOS disk image file. I'm not sure it is really necessary.

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clone OS X 10.6.8 as boot image

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