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1. Create a recovery partition mac internal hard drive how to#
2. Create a recovery partition mac internal hard drive install#

If that fails, you may have to reinstall macOS again, or you can turn to Carbon Copy Cloner, which has a Recovery partition reinstallation option.

Create a recovery partition mac internal hard drive install#

More advanced users might split a very large drive into multiple parts to run different systems on each or to have a Boot Camp partition to run Windows under macOS.Īs a side note, if you erase the disk and reinstall OS X or macOS, it should automatically create a partition for Recovery and install it. Macintosh HD is the name Apple uses for the startup volume if you don’t change it. (This is called abstraction, and it’s found across every part of digital technology.)Įach partition has a name distinct from the hard drive’s manufacturing name that typically appears as the volume name when mounted in the Finder. The higher-level part doesn’t need to know anything about hardware to access the logical partition.

Create a recovery partition mac internal hard drive how to#

A very low-level part of the OS knows how to talk to drive hardware a higher-level part knows how to read and write using various formats, and can access the partition to read and write data. The term logical here means that it’s defined in software, and is independent of the drive hardware. Each volume can have a separate formatting scheme. When you format a disk, you partition it into one or more logical volumes. (GUID refers to a globally unique identifying code that’s part of the formatting standard.) Apple supports multiple styles of formatting, though its preferred one for Macs is called GUID Partition Table. However, the physical disk is useless without being formatted or prepared to store the data in a particular way that an operating system can read.

The name the maker assigns to a disk drive appears in Disk Utility. (Only a handful of firms make hard drives.) Depending on the vintage of Mac you have and other factors, the drive’s name might start with Apple or might start with the hard-drive maker’s company name. In my 2014 Mac mini, I have a drive labeled “APPLE HDD HTS541010A9E662 Media.” When I search for the product number, I come up with “Hitachi 1TB SATA 2.5 Hard Drive,” the manufacturer’s name for the drive. The “Hitachi” part Carmela encountered is the manufacturer’s name for the physical drive as assigned at the factory.