Media Information: Linux system with 14 disks in RAID 6 configuration.
Fault Description:
The customer reported that the server was running normally the day before, but when they tried to boot it up the next day, the system failed to start. After multiple restarts, the issue persisted, and the system remained unbootable.
Raid Fault Detection and Solution:
A data recovery engineer remotely accessed the server using a secure login tool. By executing specific commands, the engineer examined the disk partitions and assessed the current state of the RAID array. However, since the RAID was in a degraded or failed state, direct access to the data was not possible. To ensure the safety and integrity of the data, the engineer first proceeded with the data recovery process before attempting any repairs on the RAID configuration.
Data Recovery and Troubleshooting Process:
The engineer carefully removed each disk one by one, labeling them according to their original positions. The disks were then reassembled in the correct order to reconstruct the RAID 6 array. Once the array was rebuilt, the engineer verified the data's completeness and confirmed with the customer. Afterward, the disks were reinstalled into the server, and the engineer executed the necessary repair commands via remote access. Finally, the server was restarted, and it successfully booted up without issues.
Data Recovery Results:
All data was fully recovered, and the RAID 6 array was successfully repaired. The system is now fully operational and accessible as expected.
Advice to Customers:
Data stored on servers is often critical and irreplaceable. In case of any failure or damage, it is essential not to attempt DIY fixes or make any changes to the system. Before performing any troubleshooting, always consult a professional data recovery service to prevent further data loss. Taking the right steps early can save time, money, and potential data loss in the long run.
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