Media information:
Website server, hard disk brand: Seagate, capacity: 300G, model: ST9300603SS, raid server composed of 6 disks, according to the operation and maintenance personnel description like RAID50, but the engineer finally found the raid6 of the group through the underlying data analysis.
Customer Name: A large maritime state-owned enterprise group
Fault description:
The client's website server crashed and could not be used normally. The three disks of No. 0.2.3 were abnormal and the data was lost.
Data recovery process:
1. The Darth data recovery engineer first detects all the original disks, determines whether there is a physical failure, and then processes the hard disk failure.
2. The engineer completely mirrors the underlying sectors of all the original disks to further ensure the security of the original data;
3. Perform data underlying analysis on the image file that is completed later to determine the RAID combination mode. According to the analysis, the RAID is actually a combination of a set of RAID6 structures, which is inconsistent with the information provided by the customer;
4. Engineers use Dass's independent research and development raid data recovery software D-recovery for RAID for data combination and reorganization;
5. After more than ten hours of data recovery, the customer verifies the data.
Data recovery results: 100% success in data recovery
Advice to customers:
When one or more disks in the entire column of the disk are dropped, remember not to blindly perform online, synchronous rebuilding, etc. These operations are too risky for data, and sometimes even cause all data to be completely destroyed and cannot be recovered.
Usually use the raid process to back up important data regularly. Do a good job on the maintenance of the raid and find that the abnormal hard disk should be replaced in time. When the raid crash data is missing, find a professional data recovery company to do data recovery in time to avoid a major loss of permanent data loss.
Darth data recovery, specializing in high-hard disk, raid server, database and other data recovery. Beijing Data Recovery will find Das Technology.
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