Erasing, formatting, partitioning, and cloning disks.Verifying a disk's integrity, and repairing it if the disk is damaged (this will work for both Mac compatible format partitions and for FAT32 partitions with Microsoft Windows installed).Mounting, unmounting and ejecting disk volumes (including both hard disks, removable media, and disk volume images).Creation, conversion, backup, compression, and encryption of logical volume images from a wide range of formats read by Disk Utility to.The functions currently supported by Disk Utility include:
com /guide /disk-utility /welcome /macĭisk Utility is a system utility for performing disk and disk volume-related tasks on the macOS operating system by Apple Inc. Select it and you can verify it to ensure it's not corrupt.Support. Once it's done, it'll appear in the left-hand pane underneath your drives for easy access. Make sure there's enough room on your target drive, then click Save and be prepared to wait while the image is created (depending on the size of the backup). Select a location and filename for your image if backing up a disk partition or entire disk, choose a different disk to save the image to. To back up an existing disk, select it in the left-hand pane and click the New Image button. They can be handy for backing up entire partitions or removable disks like USB flash drives. Disk imagesĭisk images are exact copies of a selected disk's contents, held in a single file. Like formatting, partitioning wipes all existing data on your disk, so is best used when setting up a new hard drive for the first time. This enables you to divide a large-capacity disk into smaller subdivisions, which then behave as if they were separate drives.
If you select a disk drive rather than a partition, you'll also see a Partition tab appear.
Next, click on Security Options… to configure how the drive will be erased: you can choose a more secure setting if there's data on the drive that you want permanently (unrecoverably) removed.įinally, click Erase and wait while the drive is erased.
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