How to Recover Data from a Failed Fusion Drive on Mac

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Written By Michael Gilmer

Michael, a content curator at File Recovery Mac, excels at simplifying complex IT concepts into easily digestible chunks. Michael's expertise lies in IT, data recovery, and all things "techy."

SUMMARY: Fusion Drive on Mac combines traditional hard drive and flash storage for improved performance. Data loss can occur due to hardware failure, accidental deletion, viruses, or drive splits. Recovery methods include Time Machine backup restoration via macOS Recovery mode, using recovery software, or seeking professional data recovery services. Repairing a split Fusion Drive involves backing up, entering Recovery Mode, and using Disk Utility or Terminal commands. Regular backups are crucial to prevent data loss.

How to Recover Data from a Failed Fusion Drive on Mac

If you find yourself in a situation where you need to recover data from your fusion drive, it’s important to know the right steps to take. With the right approach and tools, you can increase your chances of successfully recovering your lost files.

In this article, we will explore the different methods and techniques for fusion drive data recovery, so you can breathe a sigh of relief knowing that your data can still be retrieved.

What Is Mac Apple Fusion Drive?

Mac Fusion Drive is a technology developed by Apple that combines a traditional hard drive and flash storage into a single logical volume. This allows for faster access to frequently used files and applications, while still providing the large storage capacity of a hard drive.

The main feature of Mac Fusion Drive is its ability to automatically manage which files are stored on the flash storage and which are stored on the hard drive, based on usage patterns. This provides a seamless experience for the user, with no need to manually manage files or applications.

The benefits include faster boot times, quicker access to commonly used applications, and overall improved performance compared to a traditional hard drive. It also provides a balance between storage capacity and speed, making it ideal for users who need both.

To obtain a Mac Fusion Drive, you can purchase a Mac computer that offers it as a storage option. If your Mac already has a Fusion Drive, it can be repaired through the Disk Utility tool in macOS, which allows you to manage and repair the Fusion Drive if any issues arise.

Overall, Mac Fusion Drive is a convenient and efficient storage solution for Mac users, providing the benefits of both flash storage and traditional hard drives in one package.

Why Is Data Lost on Apple Fusion Drive?

Data loss on a Fusion Drive can occur due to various reasons. Hardware failure, such as damage to the hard drive, can lead to data loss. Accidental deletion of files or formatting of the Drive can also result in the loss of valuable data. Virus infections can corrupt the data on the drive, leading to data loss. Boot issues, where the operating system fails to load properly, can also contribute to data loss. Another common reason is a split Fusion Drive, where the logical volume management breaks, causing data to become inaccessible.

Recovering data from a Fusion Drive can be a complex process. It requires specialized knowledge and tools to deal with the unique structure of a Fusion Drive, which combines solid-state and traditional hard drives. Data recovery experts may need to use advanced techniques to extract the lost data and reconstruct the logical structure of the Fusion Drive.

Method 1: Recover Data Using Time Machine Backup

To recover data using Time Machine backup, start by ensuring that the backup drive is connected to your Mac. Then, boot into macOS Recovery mode by restarting your Mac and holding down Command + R until the Apple logo appears. Once in Recovery mode, select “Restore from Time Machine Backup” and follow the on-screen instructions.

Choose the most recent backup from the list of available backups, and then select the data you want to recover. Time Machine will begin the process of restoring the selected data to the fusion drive.

It is important to wait for the data recovery process to complete before restarting your Mac. Once the data has been successfully recovered, you can safely restart your Mac and access the restored files and folders.

By following these steps, you can easily recover lost or deleted data using Time Machine backup and macOS Recovery mode, ensuring that your important files are safely restored to your fusion drive.

Method 2: Recover Data Using Recovery Software

To recover data from a fusion drive using recovery software, start by downloading and installing Wondershare Recoverit on your Mac. Once installed, open the program and select the fusion drive from the “Devices” option. Then, click on the “Start” button to begin the scanning process.

During the scanning process, Wondershare Recoverit will analyze the fusion drive to locate any lost or deleted files. Once the scan is complete, you can preview the files to see which ones can be recovered. This will allow you to select the specific files you need to retrieve.

After previewing the files, you can select the ones you want to recover and click on the “Recover” button. Wondershare Recoverit will then start the recovery process, restoring the selected files from the fusion drive to your Mac.

Using recovery software like Wondershare Recoverit is an effective way to retrieve lost or deleted data from a fusion drive. By following these steps, you can scan, preview, and recover the needed files with ease.

Method 3: Recover Data Using Professional Recovery Service

If you have not been able to recover your data from a failed Fusion Drive on Mac using the methods above, or if you need assistance in doing so, you can use professional data recovery services. Professional data recovery services specialize in recovering lost or inaccessible data from storage devices such as hard drives, SSDs, and flash drives.

When trying to recover your data from a failed Fusion Drive , it is important to find a data recovery service that is experienced in recovering data from a Fusion Drive. Professional data recovery services are often able to use specialized techniques and tools that can recover data from failed drives.

By using professional data recovery services, you can ensure that your valuable files are safely recovered and restored to their original location on the fusion drive.

How to Repair a Split Fusion Drive

If you have a split Fusion Drive on your Mac, follow these steps to fix it. First, back up your data to ensure you don’t lose any important files. Next, restart your Mac and enter Recovery Mode by pressing Command + R during startup.

For macOS Mojave or later:

  1. In Recovery Mode, open Disk Utility and select the Fusion Drive.
  2. Click on “Unmount” to unmount the drive.
  3. Open Terminal and enter the command: diskutil resetFusion
  4. Follow the on-screen instructions to merge the split Fusion Drive.
  5. Reinstall macOS by selecting “Reinstall macOS” from the Utilities menu.

For macOS High Sierra or earlier:

  1. In Recovery Mode, open Terminal and enter the command: diskutil resetFusion
  2. Follow the on-screen instructions to merge the split Fusion Drive.
  3. Reinstall macOS by selecting “Reinstall macOS” from the Utilities menu.

After completing these steps, your Fusion Drive should be fixed, and your data restored. Remember to regularly backup your data to prevent potential data loss.


Recovering data from a failed Fusion Drive on Mac can be difficult and time-consuming, but it is possible. Depending on the extent of the damage, you may need to use a third-party recovery tool to help you recover your lost data. If your drive has suffered physical damage, it is best to take it to a professional data recovery service.

If your drive has simply split, you can use the steps outlined in this article to repair it. Remember to always back up your data regularly to ensure that any potential data loss is avoided.

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