How To Fix Damaged Mac Volume In Mac Os X?

For efficient management of Mac data in Mac OS X operating system

, its necessary to have proper division of hard drive space into volumes. A system must contain at least one startup volume. The other volumes can hold your data. The Mac Startup volume operating system, which is used to boot the system. The non-startup volume is also called unmountable volume. If a user has a damaged Mac volume (damaged unmountable volume) , all his data goes inaccessible.

If its a logical failure then user can try to resolve it with Mac disk utility. It is an inbuilt utility of Mac OS X operating system, which checks the integrity and consistency of damaged hard drive. It also fixes minor file system errors. However, this utility sometimes fails to work on non-startup or unmountable Mac OS X hard drive volumes.

But sometimes when we try to repair a damaged Mac volume using Disk Utility application, the repair process appears to start, but then it is aborted. At the same time, you may come across the below error message:

Repairing disk failed with error. Could not unmount disk.

After the above error message, when you check the Console of Mac Disk Utility, you see the below entries:

Verify and Repair disk Storage

The disk Storage could not be unmounted

Could not unmount disk for verification

Repairing disk failed with error. Could not unmount disk

In some situations, the Mac machine may stop responding for a few minutes after this behavior.

If you are unable to determine which files or directories are open on your hard drive that you need to repair or verify, reboot your system and then mount your hard drive again.

To recover lost data from the damaged unmountable volume, go for the best, advanced and reliable third-party applications.

The Mac recovery software use efficient scanning methods to successfully recover lost data from damaged hard drive. They are incorporated with interactive graphical user interface to provide easy recovery.

by: Raymond Ross

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