Recover Mac

Recover Mac data after Journal Corruption

Mac maintains a journal file for every change that takes place on each and every file on the hard drive. The journal file basically contains all information regarding the changes that have taken place within a file. This method of maintaining a journal file for each and every file is called Journaling. The HFS+ volumes present on Mac make use of Journaling. Journaling is mainly done, so that the journal file can be made use of in restoring the Mac to the last well known state, in case data has been lost due to various reasons like virus attacks, malware, power outage etc.


There are however some cases in which this Journal file, which helps in restoring Mac, gets corrupted leading to data loss. This is because, once the Journal file is corrupted, the pointers now point to the wrong file making the data inaccessible. This can happen in an unjournaled file system, where the drives do not have any saved data, prior to the corruption of the Journal file. The fsck command that Mac provides is effective to some extent, if the data loss is not severe. But under extreme cases, this command is of not much use.


In cases where the Journal file has got severely corrupted, the user should make sure that he stops using the affected drive immediately, and gets a powerful and trustable Mac Recovery software to recover Mac data in an easy way. Restore Mac Data software is the recommended Mac Recovery software for data recovery under such instances of data loss. This Mac data recovery software has ability to recover deleted Mac partition data as well as lost partition data with the least effort possible. It recovers over more than 280 types of files from Mac hard drive.


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Follow the steps given below to install the software to recover Mac data with ease.


Step 1:Double click the desktop icon or select the application from the programs list to launch Mac Data Recovery software. This displays the main screen of the application, as shown in Figure a.


Mac Data Recovery - Main Window

Figure a : Main window


Step 2: The drives and volumes that are detected by the system are displayed as shown in Figure b. Choose the drive from which the lost volumes have to be recovered, and then click the Recover button.


Mac Data Recovery - Select drive

Figure b : Select Drive


Step 3: Just as you click the Recover button, a new window where the user can select the appropriate option, is displayed, as shown in Figure c. There three options available for the user are,

  • Display default volume(s) - The default volumes present on the system are displayed when you select this option. With this you can recover data from the volumes taht already exist on the system.
  • Scan for volume(s) - This option can be used to search for lost, missing and corrupted partitions. The software does a scan of the system and displays the lost, missing and corrupted partitions if any..
  • Raw Search on Physical Drive (File Recovery) – This option enables you to perform an extensive sector by sector search for lost files.


Mac Data Recovery - Select appropriate option

Figure c : Select appropriate option


Step 4: Select the Display default volume(s) option. Clicking the Display default volume(s) button displays the already existing volumes on the selected drive, as shown in Figure d. Select the volume which contains the deleted or lost data, and click on the Next button.


Mac Data Recovery - Select Volume

Figure d : Select volume


Step 5: Click on the Next button to select the Scan Method that you want to make use of, as shown in Figure e. You can select from two options.


  • Standard Scan- This is a faster and a more time saving scanning process, which can be used, if the corruption in the file system is not severe. We can use this scan method when the logical volume fails to mount.
  • Advanced Scan- This is a scanning method that consumes more time, but is more effective than the Standad scan method, since it does an exhaustive search on the selected drive.

Select the Standard Scan option.


Mac Data Recovery - Select Scan option

Figure e : Select Scan option


Step 6: The software starts to scan the selected drive as soon as you click the Standard Scan option. The software searches the drive for the lost data, and lists all the found files and folders, as shown in Figure f.


Mac Data Recovery - Found files and folders

Figure f : Found files and folders


Step 7: Once the files get listed in the tree format, the next immediate step is to select a safe location where the recovered data can be saved. If you want to save all the listed files, click on the Root folder or specifically select the files you want to save, and click on the Save button.

A window to choose the destination drive is displayed when you click the Save button. Specify the destination drive, where you want to save the data, and click on the Save button.


To save the data that you have selected onto the selected destination drive, click on the Save button. The data gets saved immediately. The saved data can now be accessed as before.



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