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Are you unable to access a hard drive volume in Mac OS X? Do you encounter volume header corruption errors while using Disk Utility to check hard drive integrity and consistency? This behavior is caused by corruption to the header of Mac OS X hard drive volume. It renders entire volume inaccessible and cause critical data loss situations. In order to extract lost data from Mac hard drive volume, Mac Data Recovery is required.
In a practical scenario, you may come across below error message while trying to fix errors that are encountered when you try to access a Mac OS X hard drive volume through Disk Utility:
“Volume Header needs minor repair The volume Macintosh HD needs to be repaired.
Error: The underlying task reported failure on exit
1HFS volume checked Volume needs repair”
The hard drive scanning process fails and the hard drive remains still inaccessible. This behavior leads to significant data loss. At this point, you need to identify the actual cause of the problem and go for Mac Recovery by sorting it out.
Root of the problem
The above behavior is caused due to corruption to Volume Header of Mac OS X hard drive volume. Because of the corrupted Volume Header, Macintosh operating system can not recognize the volume.
In Mac OS X, Volume Header is actually a 1024 byte data structure. The Volume Header is parallel to Master Directory Block (MDB) for the HFS (Hierarchical File System) file systems. It stores critical data about whole volume, including the physical data locations and other significant data structures. The volume header also contains information about volume such as volume name, amount of free disk space, number of stored files, and more. It ensures that all the key data structures are updated prior to unmount the volume.
In such circumstances, you are required to perform Mac File Recovery to get your valuable and mission critical data back. Recovery is best possible with the help of powerful and advanced third-party applications.
Such tools are known as Mac Recovery Software. They are particularly designed to carry out in-depth scan of entire hard drive and extract all lost, missing, and inaccessible data from it. The applications have simple graphical user interface and read-only conduct to offer quick, easy, and safe recovery.
Stellar Phoenix Macintosh Data Recovery is the most efficient tool to ensure absolute recovery in all cases of logical data loss. It recovers data from HFS, HFS+, HFSX, HFS Wrapper, and FAT file system volumes. The software is designed for Mac OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger, and 10.3.9 Panther.