Columns Clone Mac OS
Transferring Mac OS X between Computers or Hard Drives
Using Acronis True Image 2019 and later you can duplicate all your data and make macOS bootable on your new hard drive via Disk Cloning. You can use this to migrate to a new Mac computer or to clone the system to an external HDD and have a bootable copy of the system. Keep in mind the following limitations. Mac’s Rants & Raves Episode #407. Nineteen years ago, Apple transitioned the Mac from its original (classic) operating system to a more modern, UNIX-based operating system known as Mac OS X.
- There are a lot of reasons for wanting to boot from an external drive. If you’d like to keep files synced between a desktop and laptop, expand your storage, or have a bootable backup copy of your system, there’s a hidden feature in Disk Utility that makes it easy.
- Using Acronis True Image 2019 and later you can duplicate all your data and make macOS bootable on your new hard drive via Disk Cloning. You can use this to migrate to a new Mac computer or to clone the system to an external HDD and have a bootable copy of the.
- Clonezilla Clonezilla is the best and the most free disk Cloning Software For Mac. This helps the system in various aspects like metal backup, system deployment, and recovery. Here each of the file systems that would be supported is HFS+, ext, VMFS3, ext, and more.
In my experience with users and participating in online forums and mailing lists, one of the most common questions that users of Mac OS X seem to have is 'How do I copy my Mac OS X installation from one hard drive/computer to another?' Users generally fall into one of two categories: (1) people who have bought a new (larger) hard drive and installed it in their Mac, and want to move everything over from their old hard drive to the new one; or (2) people who have bought a new Mac and want to copy Mac OS X and all their files and software over from their old Mac to the new one.
The good news is that Mac OS X is, for the most part, hardware independent. That is, the same OS X that runs on a PowerBook also runs on an iBook and a G4 tower. That means that you can copy Mac OS X, and all installed software and files, directly from one computer to another, and it should boot up and function properly.
The bad news is that unlike Mac OS 9, where you could simply connect a drive or another computer, select all your files, and copy them over using drag-and-drop, Mac OS X requires some special tools. The Finder doesn't always copy invisible files properly (and there are lots of them in OS X), and because of permissions issues, it's difficult to make sure that all files are being copied.
This is one of those situations where Terminal can do something you can't do in the Finder. Terminal provides you with all the tools you need—specifically, commands that copy every single file, preserving permissions and file properties—to successfully copy an entire Mac OS X volume. However, most users don't want to learn the list of commands that it takes to do such a copy. Once again, a third-party developer has come to the rescue; in this case, Mike Bombich, whose Carbon Copy Cloner utility (http://www.bombich.com/software/ccc.html) puts a friendly face on the process. Here's how you use Carbon Copy Cloner to transfer your hard drive's contents to another hard drive, or to another computer.
Transferring Mac OS X between Hard Drives
I recently got a new hard drive (a nice 80GB one), and installed it in my G4 tower; the original hard drive (a 20GB model) was getting a bit cramped. I wanted to transfer the contents of my original drive (Mac OS X, applications, documents, the works) to the new drive, and then use the new drive as my main drive. Using Carbon Copy Cloner, the process was a snap. Here's how to do it:
Make sure your destination volume has enough space for the contents of the source volume. If the destination volume already has an operating system on it, you should probably delete it before copying the source volume onto it. If you have valuable files on the destination volume, you should place them in a folder, named Saved Documents or something similar, until the copy is completed.
Launch Carbon Copy Cloner.
In the Source Disk box, select the source volume (the one you want to copy from) from the pop-up menu.
In the Target Disk box, select the destination volume (the one you want to copy to) from the pop-up menu. (Figure 4.11) If you want Carbon Copy Cloner to only replace files that exist on the target disk with identical names and paths, select the 'Don't remove files from target' (yes, the description is a bit confusing); if you want it to delete any item on the destination volume that has a similar name to an item on the source disk, select 'Remove like-named items.' If you're installing onto an empty volume, you don't need to worry about these two settings.
Figure 4.11: Using Carbon Copy Cloner to copy a Mac OS X volume
In order to make your new drive a fully functional (bootable) copy, check both boxes in the Bootability options section.
If you don't want particular items to be copied (e.g., old folders you no longer care about), you can select them in the Items to be copied window and then click the Delete button.
When you're ready to copy, click the Clone button. You'll be asked to authenticate using an admin username and password, after which Carbon Copy Cloner will proceed to copy the entire volume, re-create all necessary links, and 'bless' the volume so that it can function as a bootable volume. Carbon Copy Cloner will notify you when the copy is done.
Open System Preferences, click the Startup Disk icon, and select the new volume as your startup disk. The next time you restart, the new drive will be the boot volume. You can then erase or remove the original drive.

Transferring Mac OS X between Computers
Similar to installing a new hard drive, many users who buy a new Mac want to transfer their existing Mac OS X installation to the new computer so that they can pick up right where they left off using their new hardware. You can use Carbon Copy Cloner in exactly the same manner to do this, but first you have to connect the new computer to the old one. Given that most computers supported by OS X have a FireWire port, the easiest way to do this is to use FireWire Target Disk Mode. You'll need a FireWire cable to do this, which should be available at any computer or electronics store.
With the new computer turned off, connect the FireWire cable to a FireWire port on each computer.
Boot up your old computer normally if it's not already running. Login to an admin account.
On the new computer, hold down the T key on the keyboard, and press the power button to start it up. Keep holding the T key down until you see a FireWire symbol on the screen. At this point your new computer's hard drive will be mounted on your old computer's Desktop as a FireWire hard drive.
If you don't need any of the files on the new computer's hard drive, you can actually erase it using the Disk Utility application.
Launch Carbon Copy Cloner on your old computer, and follow the instructions in the previous section, 'Transferring Mac OS X between Hard Drives.' (Select your old computer's hard drive in the Source Disk box, and your new computer's hard drive in the Target Disk box. If you chose not to erase the new computer's hard drive because you wanted files that came installed on it, click the 'Don't remove files from target' option in the Target Disk box.)
Note In this example, I'm assuming that your old computer has a recent version of OS X installed, and you're simply moving your OS X installation to your new computer. If your older computer has an older version of Mac OS X installed, you'll probably be better off to simply copy over your user files and use the copy of OS X that is already installed on your new computer.
When the clone operation is complete, drag your new Mac's hard drive to the Trash to unmount it from your old Mac's Desktop, unplug the FireWire cable, and then press the power button on the new Mac to turn it off.
Press the power button on the new Mac again to boot it up normally (using the installation of OS X you just copied over, including all accounts and settings). It should boot up and behave exactly like your old computer.
Give your old Mac to a needy school :)
Article Title = Virtualising a physical Mac/hard disk/clone/disk image file
Article Author(s) = Graham Needham (BH)
Article Created On = 27th March 2019
Article Last Updated = 27th March 2019
Article URL = https://www.macstrategy.com/article.php?232
Article Brief Description:
Instructions for installing, setting up and virtualising a physical Mac/hard disk/disk image file
Virtualising a physical Mac/hard disk/clone/disk image file
The ability to virtualise an existing Mac/macOS installation is important and very useful as it is an easy way to continue running your old Mac and also a possible way to run 32-bit applications that do not run on macOS 10.15 or later. MacStrategy presents this special guide to virtualising a physical Mac/hard disk/clone/disk image file.This article deals with transferring an existing Mac running Mac OS X / OS X / macOS to a virtual machine, or take a bootable storage device/clone/disk image and convert it into a virtual machine. If you would prefer to set up/install a virtual machine with a clean Mac OS X/OS X/macOS from scratch please see one of the following articles instead:
- Mac OS X 10.6 Snow Leopard (Server) - costs money but you may already be running/want to run this to be able to use PowerPC/Rosetta based applications
OS X 10.7- OS X 10.8 is better- OS X 10.8 - costs money but if you already own it/want to pay for it, it runs very efficiently in a virtual machine and there are few internet/iCloud based services clogging it up
OS X 10.9- was very kludgy and slow when installed on a hard diskOS X 10.10- was slow when installed on a hard disk, does not support latest Apple internet/iCloud based services- OS X 10.11 - free, supports most internet/iCloud based services
- macOS 10.12 - free, supports most internet/iCloud based services
macOS 10.13- buggy, slow + the new Apple File System (APFS)- macOS 10.14 - probably a good one to run (as it's the last macOS version able to run 32-bit applications) but we haven't tested this OS virtualised yet
macOS 10.15- buggy, slow + the new Apple File System (APFS)macOS 11- still being revised
Virtualisation Software
- Parallels Desktop [£69.99 inc VAT one time purchase or yearly subscription - 14 day free trial available]
- VMWare Fusion Pro [US$199 inc VAT - 30 day free trial available]
- Oracle VirtualBox [FREE - Open source under GNU General Public License (GPL) version 2]
Instructions
NOTE: This document was written using a Mac mini (2014 model) with macOS 10.14 Mojave running in 64-bit only test mode and using Parallels Desktop 14.1.2, VMWare Fusion 11.0.2 and VirtualBox 6.0.4.Preparation
NOTE: You will need the following:- Mac computer for hosting your preferred guest OS preferably with a working Recovery Partition
- Make sure your actual, physical Mac has a working internet connection e.g. use a web browser to go to https://www.apple.com and see if you can view a web page
- Purchase/install/update your preferred virtualisation software (see list above)
- On later versions of macOS your preferred virtualisation software will require specifically allowing their System Extension(s) to run via System Preferences > Security & Privacy, plus they may require to be granted access to Accessibility
- Purchase/download/obtain your preferred cloning software (we list some in our How To Clone Your Primary/Boot Drive article - we highly recommend Carbon Copy Cloner)
- If you going to clone from a physical Mac or a clone on a bootable storage device, if possible, boot that system first to make sure it works/is bootable, and also de-activate any software e.g. Adobe Creative Suite (applications)
- Bootable physical Mac/hard disk/clone/disk image file of your old system NOTE: If you have the original Mac you will need to clone its startup disk either to an external storage device (preferably USB) or to a disk image first using, for example, Carbon Copy Cloner.
- Make sure you have plenty of free space on your physical Mac's hosting drive - you will need to create a basic Mac OS X / OS X / macOS virtual machine where you may need to copy the disk image file of your old system to + an additional virtual machine drive that has enough space to host your old system
- If you are using an external storage device for your bootable clone or to hold the disk image file it's best to rename it to something that is easy to recognise e.g. 'VM Transfer'
- Create a basic/clean Mac OS X / OS X / macOS virtual machine - if your Mac host computer has a working Recovery Partition, in VMWare Fusion you can easily do this by going to File menu > New… > select 'Install macOS from the recovery partition' > click 'Continue' and follow the on-screen instructions. Alternatively, use our step-by-step guides:
Parallels Desktop Instructions
We have not tested this in Parallels Desktop but you should be able to do something similar to what we did in VMWare Fusion - we will update this article when we have more time to test this. Don't forget to donate to us (use the button in the bottom left corner of this web page).VMWare Fusion
Clone Mac Os To Ssd
- Make sure the basic/clean Mac virtual machine you created in the preparation section above is shutdown
- Go to Virtual Machine menu > Settings > Hard Disk (SATA) > click 'Add Device…' > select 'New Hard Disk' > click 'Add…' > choose size > Apply NOTE: This additional virtual machine drive must be larger than the space used by the physical Mac/hard disk/clone/disk image file of your old system.
- Start up/boot the virtual machine
- At the Desktop Mac OS X / OS X / macOS will recognise the additional virtual machine drive and ask you to initalize it > click 'Initialize' (which will open Disk Utility)
- Select the unformatted additional virtual machine drive on the left (VMware Virtual SATA) - this is the one without 'Macintosh HD' underneath it
- Set 'Name:' to 'Second HD', 'Format:' to 'OS X Extended (Journaled)', and 'Scheme:' to 'GUID Partition Map' > click 'Erase' to initalize/format the additional virtual machine drive (it should now mount/appear on your Desktop if you have the virtual machine's Finder 'Preferences' set to show 'Hard Disks')
- Click 'Erase'
- If OS X / macOS asks you whether you want to use the additional virtual machine drive for Time Machine Backups click 'Don't Use'
- Quit Disk Utility
- Connect your physical Mac/clone or hard disk with the disk image file of your old system to your virtual machine OR, if you have enough space, copy the disk image file of your old system on to the virtual machine's Desktop
- The physical Mac/clone or hard disk with the disk image file of your old system on it should now mount/appear on your Desktop (if you have the virtual machine's Finder 'Preferences' set to show 'Hard Disks') OR double click to open the disk image file of your old system that is now on your virtual machine's Desktop
- Using your cloning software of choice, clone your physical Mac/hard disk/clone/disk image file of your old system to the additional virtual machine drive e.g. with Carbon Copy Cloner:
- In the virtual machine go to Apple menu > System Preferences > Startup Disk > set it to 'Second HD'
- Quit System Preferences
- Shutdown the virtual machine (Apple menu > Shut Down) - not Restart
- Go to Virtual Machine menu > Settings > Hard Disk (SATA) > make sure 'File name:' is 'Virtual Disk.vmdk' > click 'Advanced options' at the bottom > click 'Remove Hard Disk'
- You will be given the choice to keep or Trash the virtual disk file which is your choice (it might be worth keeping the original virtual disk if you have plenty of space as it is a clean Mac OS X / OS X / macOS virtual machine)
- Go to Virtual Machine menu > Settings > General
- Change the virtual machine's 'Name' to something that is relevant to your original Mac system e.g. 'Old OS X 10.8 Mac Pro'
- Change the virtual machine's 'OS' to match that was on your physical Mac/hard disk/clone/disk image file
- Go through and configure your required virtual machine custom settings:
- Start up/boot the virtual machine
- To avoid confusion with your host Mac, rename the virtual machine's hard disk from 'Second HD' to something that is different to your current hard disk e.g. 'Virtual OS X 10.8 HD'
- Go to Virtual Machine menu > Install VMWare Tools
- Install VMWare Tools, following the on screen instructions and restart the virtual machine when complete (you may get a message about the installer certificate being out of date and this appears to stop the Tools installing so things like drag and drop are not supported [with this guest OS])
- If you are running an unsupported version of Mac OS X / OS X / macOS make sure you check out our Securing Older Operating Systems article
- macOS 11 - included in the macOS 11.3 Installer (or go to Apple menu > System Preferences > Software Update and install the 11.3 update)
- macOS 10.15 - included in the macOS 10.15.7 Combo Update + Security Update 2021-002 for Catalina
- macOS 10.14 - included in the macOS 10.14.6 Combo Update + Security Update 2021-003 for Mojave
- SECURITY WARNING: macOS 10.13 and earlier are no longer supported with security updates - see our securing older operating systems article.
Q. What are the current, supported versions of macOS?
A. macOS 11 (Big Sur), macOS 10.15 (Catalina) and macOS 10.14 (Mojave) are supported by Apple. The latest security updates are:VirtualBox
We have not tested this in VirtualBox but you should be able to do something similar to what we did in VMWare Fusion - we will update this article when we have more time to test this. Don't forget to donate to us (use the button in the bottom left corner of this web page).Columns Clone Mac Os Catalina
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