Navigation menu

Go to Applications and then click on the Utilities folder. Manage the image. After you have clicked on New Image, a new option box will appear presenting you with the following: Volume Name—This is the name that will be given to your image when it is mounted.

Restoring from a disk image | Carbon Copy Cloner | Bombich Software

You can either choose from a range of values, or you can enter a value of your own choice. Volume Format—If you need your disk image to be in a specific format, then you can change it; otherwise, it is highly recommended that you leave it at the default value. Encryption—You are given two options to choose from regarding encryption. Image Format—It is recommended that you stick to the default value, unless you know what you are doing. Click on Create.

Apple Disk Image

After you have filled in the options and the values of your choice, then click on the Create button located at the bottom of the option box. Add files. After the process has been completed, the Disk Utility will automatically mount the new image on your OS X desktop, which will be ready to have files added to it.

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Eject the mounted image. When you have added whatever you want to add to the disk image, you can drag the mounted image to the trash, which will eject the mounted image. The disk image can now be moved between computers and transferred with ease.


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

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    How to Use Disk Utility in macOS Mojave to format,erase, partition external hdd

    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. 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. 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.

    We'll provide information about how to use the Recovery HD Volume to clone your startup drive, but first, we'll look at the steps in cloning a non-startup drive attached to your Mac. The Disk Utility app will open, displaying a single window divided into three spaces: a toolbar, a sidebar showing currently mounted drives and volumes, and an info pane, showing information about the currently selected device in the sidebar.

    If the Disk Utility app looks different from this description, you may be using an older version of the Mac OS. The volume you select will be the destination drive for the Restore operation. A sheet will drop down, asking you to select from a drop-down menu the source device to use for the Restore process.

    The sheet will also warn you that the volume you selected as the destination will be erased, and its data will be replaced with data from the source volume.

    Accessing Disk Utility