G RAID 2 Accidental Deletion Data Recovery Case Study

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Author

Zeydulla Khudaverdiyev

Published

December 11, 2025

Reading time

4 min read

A G RAID 2 device configured in RAID 0 suffered extensive data loss after accidental deletion during a routine check.

The system contained operational files, compliance records, and project materials.

Our engineers preserved the original drives, performed controlled imaging, and executed targeted reconstruction workflows. All deleted data was successfully recovered and verified.

Initial Situation and Data Loss Context

The client unintentionally deleted a substantial volume of operational and compliance related data stored on a G RAID 2 configured in RAID 0. Key points include:

  • Accidental deletion occurred during a routine system review.

  • Critical business files, project materials, and records became inaccessible.

  • The client contacted our team immediately to prevent further data loss.

  • RAID 0 configuration increased risk since no redundancy was available.

For similar scenarios in RAID environments, you can learn more through our RAID 0 recovery overview.

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Technical Diagnostic Findings

The diagnostic phase confirmed accidental deletion across the RAID 0 volume and highlighted risks associated with continued system activity. Key findings are summarized below.

Issue
Evidence
Severity
Physical shock damage
Deformed chassis and misaligned drive seating
High
NAS not initializing
No boot sequence or network availability
High
Potential drive head or platter impact
Audible irregularities during individual drive spin up
High
RAID structure inaccessible
No access to QNAP RAID configuration or volumes
Critical
Surveillance video directory corruption
Missing or unreadable surveillance archive folders
High

To explore how RAID systems behave during failure events, you can learn more by reviewing our RAID troubleshooting guidance.

Need RAID Recovery Help?

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Structured Recovery Workflow

Our team executed a focused five step workflow to secure the RAID 0 environment and recover all deleted data.

Step 1. Preservation and write protection

Both drives were secured and locked to prevent any overwrites that could eliminate deleted file remnants.

Step 2. Full sector imaging

Both drives were secured and locked to prevent any overwrites that could eliminate deleted file remnants.

Step 3. RAID 0 virtual reconstruction

Both drives were secured and locked to prevent any overwrites that could eliminate deleted file remnants.

Step 4. Metadata and deletion mapping

Both drives were secured and locked to prevent any overwrites that could eliminate deleted file remnants.

Step 5. Targeted file recovery and verification

Both drives were secured and locked to prevent any overwrites that could eliminate deleted file remnants.

Important Note

Any post incident RAID 0 activity risks permanent data loss. Power down immediately and avoid rebuild attempts.

For guidance on managing similar incidents, explore raid failure rate  to learn more.
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Final Recovery Outcomes

Our engineers achieved a full restoration of the client’s deleted data while maintaining complete integrity of the original drives.

Delivered results:

  • All deleted operational files, compliance documents, and project materials were successfully restored.

  • Recovered data was validated through file integrity checks and directory structure verification.

  • The client received the completed dataset on a secure external drive for immediate use.

  • Originals remained untouched throughout the process, ensuring full forensic preservation.

Strategic Takeaways for Preventing Future Data Loss

  • RAID 0 has zero fault tolerance and should never be used without a secondary backup strategy.

  • Accidental deletion on striped arrays is highly volatile, since any new write permanently overwrites recoverable sectors.

  • Imaging first is mandatory to preserve the remaining data footprint before reconstruction.

  • Consistent monitoring and documentation help identify issues faster and reduce recovery complexity.

  • User access controls and operational checks can significantly reduce the risk of accidental deletion in production environments.

Why Risk Your Precious Data?

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Frequently Asked Questions

Yes, if no new data has been written to the array. Deleted sectors must remain intact for a successful recovery.

No. RAID 0 provides performance only. Any deletion or drive issue results in immediate data loss.

No. RAID 0 cannot be rebuilt. Any attempt to rebuild or reinitialize the array permanently overwrites recoverable data.

Imaging captures exact sector level copies and protects original disks from further damage or overwrites.

Power down the device and avoid all activity. Continued use decreases the chance of successful recovery.

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