disc input output error mac disk image utlity

Formatting an entire disk takes longer than erasing a volume, but this option is also available in Disk Utility. If erasing a volume is what you’re interested in, there are both basic and secure options. This concept is important because Disk Utility offers the option to erase volumes and the ability to format a particular disk. In order to distinguish between the idea of erasing a volume and erasing a disk, we often say we are formatting the disk. On the other hand, you may erase a particular volume without erasing the entire disk. Since a volume is a subset of the disk, if you erase the disk then all volumes contained within it are also deleted. A volume is merely a formatted portion of a disk. The term “disk” refers to the physical hard drive itself. These words appear frequently in the Disk Utility menu. Format and manage volumes on physical storage devices using Disk Utilityīefore diving into this popular use of Disk Utility, it’s important to understand the difference between a disk and a volume.

Disc input output error mac disk image utlity