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How to Recover Data From a Dirty HFS+ File System?

by madisonwalker

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Mac OS X operating system uses a special data structure to store, manage, and manipulate your valuable data. It is known as file system. Macintosh operating system supports the HFS (Hierarchical File System) series of file systems. HFS file system has various variants, such as HFS+, HFSX, and HFS Wrapper. Among all, HFS+ is the most powerful file system, which supports advanced features like journaling and enhanced performance. The journaling feature prevents system failure and file system corruption to avoid need of Mac recovery, in case of improper system shutdown.

File system is the most critical component of Mac OS X operating system. It has to be intact and in working state to keep your system up. If file system is damaged, system may not work properly. However, in some cases, the file system may become dirty. It does not let you boot your system properly and access stored data from the hard drive. At this point, you may come across an error message, similar to the following one:

“File system dirty, run fsck”

After the above error message, you cannot access your precious data stored on Mac OS X hard drive and come across severe data loss situations. In order to get your data recovered in such cases, data recovery Mac has to be performed.

Root of the problem:

You may encounter this behavior of Mac OS X operating system due to corrupt or damaged file system. The corruption may occur due to a plenty of reasons, such as virus infection, hard reboot, improper system shutdown, running fsck on a mounted Mac OS X hard drive volume, and interrupted power supply.


You can try fixing this issue using any of the below methods:

Boot your Mac OS X computer in Safe Mode.

If your system does not boot in Safe Mode, check and fix file system errors using Disk Utility.

If both the above methods fail to work, try running fsck manually.

If none of the above methods work, you need to use third-party Mac disk recovery software to recover lost data.

Mac drive recovery programs are incorporated with advanced scanning algorithms and interactive graphical user interface to offer absolute and easy recovery. They are capable of retrieving lost data from all types of storage media, including hard drive, USB drive, memory card, and Apple iPod.

Stellar Phoenix Macintosh Data Recovery is the most advanced and effective solution to successfully recover lost data in all scenarios. The software recovers Mac data from all HFS, HFS+, HFSX, HFS Wrapper, and FAT file system volumes. It is compatible with Mac OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger, and 10.3.9 Panther.

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