Superduper disk clone11/21/2023 It also created a bootable drive on the Samsung T5 which I decided to test, so I opened System Preferences, selected the T5 and pressed the "Restart" button.Īll went well for the first half minute as the progress bar moved but then it stopped in the middle.Īfter about 5 minutes a notice in numerous languages appeared saying "Your computer restarted after a problem. ![]() I was very impressed with the speed at which it cloned the 309GB of data from my 2017 27" iMac onto a 1TB Samsung T5 SSD. So I downloaded the free (unregistered) version of SuperDuper. Over the years several members of this forum have suggested SuperDuper or CarbonCop圜loner. Open Disk Utility.I stopped using TimeMachine some time ago and have just decided to try out a cloning app. Enter the following command at the Terminal prompt:ĭefaults write DUDebugMenuEnabled 1Ħ. Launch Terminal, located at /Applications/Utilities.ģ. If you elect to perform a system clone of this nature, you may also wish to take a few minutes to follow the instructions on an Apple Discussion Board thread which will enable you to view the hidden Recovery HD partition in Disk Utility.Ģ. Doing so allowed me to boot 10.8 off the external drive. I erased the CCC 3.5.1 clone from the external drive and used Disk Utility to restore 10.8. However, the external drive wouldn’t boot, either, just like what I experienced with SuperDuper. After I allowed CCC 3.5.1 to clone the recovery partition, I then cloned the 10.8 installation. When I opened CCC 3.5.1 to define my backup parameters, the software tool instantly recognized the existence of a Recovery Partition and prompted me to first clone the partition onto my designated backup volume. Undaunted, I then purchased a Carbon Copy Cloner 3.5.1 license and attempted the same cloning procedure. While SuperDuper claimed that the cloning process completed successfully and I could select this 10.8 system from Startup Disk preferences, my Mac refused to boot off of the external drive. I then used SuperDuper 2.7.1 to clone my Mountain Lion installation onto an external hard drive enclosure. Since I already owned a SuperDuper license, I downloaded and installed the 10.8 compatible version (2.7.1) on my Mac. On the other hand, while SuperDuper 2.7.1 claims that it is compatible with Mountain Lion, this tool lacks the means to deal with recovery partitions. This commercial release (3.5.1) of Carbon Copy Cloner is compatible with OS X 10.8, particularly its ability to clone Mountain Lion’s Recovery HD Partition, while the older donation-ware versions are not. ![]() ![]() ![]() With the release of Mountain Lion, the developer of Carbon Copy Cloner decided that if users wanted to continue using the latest version of his software program that they would have to pay a license fee (approx. On occasion, I’ve also used Apple’s Disk Utility. Two programs that I’ve used for years for cloning Mac OS X are Carbon Copy Cloner and SuperDuper. While there are numerous sites that describe how to create a bootable disc that will allow users to install a fresh copy of OS X 10.8, I found that it takes a little ingenuity to clone an existing 10.8 installation so that it will boot off of an external drive.
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