When the hard disk of a Mac computer is formatted, the HFS file system supports the creation of a directory so that it can expand forming new folders and files which are added onto the disk.
When it was initially designed, HFS was not made in such a way that it can accommodate high volume hard disks like say those with mass storage of 100GB and above.īecause HFS has been designed in a Macintosh format, this file system cannot be recognized in windows computers (but doesn't mean you can't recover HFS partitions in Windows). Therefore, Apple's products company introduced a more advanced file system known as HFS+ or the HFS extended that came with the release of Mac OS 8.1 HFS+creates clusters that are smaller or reduced block sizes thus reducing the minimum size taken up by each file. This way, HFS+ has managed to ensure that space is used even more efficiently especially on larger disks. HSF+ is the default file system Mac OS X uses which also supports journaling. So, what is lost HFS or HFS+ partitions on Macintosh OS? This makes the process of retrieving lost data much easier in case of a hard drive crash. Lost HFS partitions are simply the partitions that get unmounted from the Drive, gone permanently, or those that have been deleted accidentally from the Mac Hard Disk leading to massive loss of data.
Such partitions can be considered as being lost HFS partitions.
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