Buffalo TeraStation Pro Rackmount 4-Bay 8 TB (4 x 2 TB) RAID 1U Rack Mountable Network Attached Storage (NAS) - TS-RVH8.0TL/R6 Data Recovery

The BUFFALO TeraStation Pro Rackmount NAS is designed for high-performance storage, featuring:

  • Capacity: 8 TB, with four 2 TB drives.
  • Configuration: RAID configurations to ensure data redundancy and protection.
  • Design: 1U rack mountable, ideal for server rooms and business environments.
  • Features: Advanced data management, backup solutions, and security features.

Despite these robust features, the failure of multiple drives in a RAID array can pose a significant risk of data loss, especially if the failure is not promptly addressed.

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Common Issues Leading to NAS Failures

  1. Drive Failure: Hard drives have a limited lifespan and can fail due to mechanical wear, often signaled by clicking sounds.
  2. RAID Configuration Problems: RAID arrays are complex and can become compromised if multiple drives fail simultaneously.
  3. Firmware Issues: Outdated or corrupted firmware can lead to operational failures.
  4. Power Surges: Sudden power spikes can damage the drives and the NAS system.
  5. Overheating: Insufficient cooling can cause drives to overheat and fail.

The Challenge: Recovering Photos from a Failed NAS

In this particular case, our client faced a critical situation where two drives in their BUFFALO TeraStation Pro NAS had failed. The clicking sounds indicated severe mechanical issues, and the RAID array was compromised. The photos stored on this NAS were invaluable, and the client was desperate to recover them.

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Zero Alpha Data Recovery: Our Proven Process

At Zero Alpha Data Recovery, we follow a comprehensive process to maximize the chances of successful data recovery:

  1. Initial Assessment: We performed a detailed diagnostic to evaluate the condition of the failed drives and the RAID configuration. This step is crucial for planning the recovery strategy.
  2. Controlled Environment: All recovery efforts were conducted in our cleanroom facility to prevent further contamination and damage to the delicate internal components of the drives.
  3. Drive Repair and Imaging: Our technicians meticulously repaired the mechanical issues causing the clicking sounds. We then created bit-by-bit images of the drives to work from copies rather than the original drives, minimizing the risk of further data loss.
  4. RAID Reconstruction: Using advanced software and manual techniques, we reconstructed the RAID array to restore the logical structure of the stored data.
  5. Data Extraction and Validation: Once the RAID array was reconstructed, we extracted the data, focusing on the photos. Each file was carefully validated to ensure integrity and completeness.

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Success Story: Complete Photo Recovery

Our efforts paid off. Despite the severe mechanical failures and RAID configuration issues, Zero Alpha Data Recovery successfully recovered all the photos stored on the BUFFALO TeraStation Pro Rackmount NAS. The client was overjoyed to have their invaluable memories restored, demonstrating our ability to handle complex and challenging data recovery scenarios.

Preventing Future Data Loss

To avoid similar situations in the future, we recommend the following:

  • Regular Backups: Implement a robust backup strategy with offsite and cloud backups.
  • Monitor Drive Health: Use monitoring tools to keep an eye on the health of your drives and replace them proactively.
  • Update Firmware: Regularly update the NAS firmware to ensure it is free of bugs and vulnerabilities.
  • Environmental Control: Ensure proper cooling and protection against power surges in your server environment.


Data loss can be a daunting experience, especially when it involves precious photos and critical business data. At Zero Alpha Data Recovery, we are committed to recovering your data with the highest level of expertise and care. Whether dealing with a failed NAS system like the BUFFALO TeraStation Pro Rackmount or any other storage device, our team is here to help you retrieve your invaluable data.

For more information or to initiate a data recovery process, contact Zero Alpha Data Recovery today. Your memories and data are safe with us.

Data Recovery Log

20May24: 4 Bay NAS. Originally two drives failed ST2000DL001 - clicking and beeping. It is RAID 5. 1 drive was badly damaged. MHA swapped another one. beeped once, nothing in the terminal, stays busy.Repowered as did not have terminal connected,beeped and spun down,detected in the kernel mode.

Model : ST_M13FQBL
Serial : QNR_BFW
Firmware : 09041326
Capacity : 4 GB (8 089 950)