Mac hard drive data recovery: You need to find an external hard drive casing to connect mac hard drive to find the containing folder of the mac hard drive by using “Mac Finder”. Then you can open “Time Machine” application to check the containing folder. If the mac hard drive are in Mac Time Machine backup, you can select then and click “Restore” to retrieve the old versions of mac hard drive data recovery.
Here is a list of the most used different types of RAIDS and their levels: