How to copy mac os x disk

Cloning is a destructive process that will erase the recipient drive, leaving the source drive intact. The instructions below are for cloning from the original drive externally to a new drive inside a computer. In certain circumstances connecting the original drive externally is not an option. In those cases using an external hard drive as an intermediate is recommended. This process would consist of cloning the original drive while still inside the computer to a separate external hard drive, then installing the new drive and cloning the external hard drive to that new drive.

After you install the new hard drive, you will need to boot to the recovery partition on the original drive if OS If OS Power on the Mac while holding down the 'Option' key. This will display a boot menu that looks like the picture below. Click the drive icon that says 'Recovery' OS The number of drives listed will depend on the number of bootable drives in your system.

Once booted into the Recovery partition or installer disc, select your desired language. Next, open Disk Utility by navigating to the Utilities menu in the upper-left corner of the screen, then select Disk Utility from the drop down menu.

Disk Utility's Restore Function Lets you Create a Bootable Clone

Disk Utility has always been able to create clones, although the app refers to the process as Restore, as in restoring data from a source drive to a target drive. To be clear, the restore function isn't limited to drives; it will actually work with just about any storage device that can be mounted by your Mac, including disk images, hard drives, SSDs , and USB flash drives.

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The Restore function in Disk Utility makes use of a block copy function that can speed up the copy process. It also makes an almost exact copy of the source device. When we say "almost exact," we don't mean to imply that useful data may get left behind, because that's not the case.

Step By Step: How To Clone Data to a New Mac Hard Drive

What it means is that a block copy copies everything in a data block from one device to the other. The results are almost an exact copy of the original. A file copy, on the other hand, copies data file by file, and while the file data remains the same, the location of the file on the source and destination devices will likely be very different.

Using a block copy is faster, but it does have some limits that affect when it can be used, the most important being that copying block by block requires that both the source and destination devices be first unmounted from your Mac. This ensures that block data doesn't change during the copy process. But it does mean that neither the source nor the destination can be in use when you use the Restore capabilities.

Create a disk image using Disk Utility on Mac

If you need to clone your startup drive, you can make use of either your Mac's Recovery HD volume or any drive that has a bootable copy of OS X installed. Select your Target Disk your new hard drive. Under cloning options, select Backup everything. Just click Clone, and you're done. Verifying your clone is Bootable.

To do this, restart the computer and hold the "Option" key on your keyboard to load up the boot menu. You should see your old hard drive and your new hard drive as bootable drives. If you do not see the new hard drive, you will need to do the cloning process again.

If you do see the new hard drive, click on it.

Your Mac will boot into it and you will get your desktop. This will verify that your hard drive has cloned successfully.

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Be sure to include checking your applications, data files, etc. Cloning your Boot Camp Partition Winclone. Winclone is a program for cloning your Boot Camp partition. Select your Boot Camp volume as "Source". Click "Image This will prompt you on where you want to save the image.

How to Clone and Backup Your Hard Drive

Save it to your desktop or an external hard drive. Click on the "Restore" tab, and select the image file you've just created. Select the destination to be your new Boot Camp partition. Click "Restore". Close We use cookies to provide you with a full shopping experience, including personalized content, and to help us improve your experience.