Case Name: DELL T620 RAID5 Data Recovery Success Stories
Customer Name: Mr. Wang, a railway company in Hubei
Media Name: Dell Dell PowerEdge T620 Server, 6 2TB Hard Disk RAID5 Hard Drive Model: WD2000FYYZ
Symptom: The Dell PowerEdge T620 server suddenly shuts down due to the power failure in the equipment room. When it restarts, it finds that it cannot start normally. Contact Dell after-sales service company for remote technical support. The remote engineer has taken the operation of RAID reconstruction Rebuild.
Data recovery process:
Dell T620 server data recovery success
1, first of all to eliminate the hard disk room failure, Darth data recovery company engineers to test each server hard disk, 6 hard drives have no physical failure.
2. In the read-only mode, six disks are connected to the Darth data recovery dedicated machine Apollo for the bottom layer analysis of the disk, and the analysis result is a standard RAID5 structure. On the basis of raid5, two large LUNs are divided: the first LUN is a separate partition of 1024GB, and the operating system is installed; the second LUN is divided into three partitions for storing data files.
Dasi intelligent RAID data recovery software intelligent recovery function rookie can also easily get started
3, using Darth intelligent RAID data recovery software d-recovery for RAID for RAID data virtual combination, and use the function of creating a region to separate the two LUNs, directly extract data, as shown in Figure 2 (because the data is highly confidential, only the function is displayed here) Screenshot)
4. After 24 hours of hard work, the data recovery was successful and the user expressed satisfaction.
Technical difficulties and advice to customers:
The biggest problem with this case is from remote technical support engineers who do rebuild operations for the client. This operation can fix the server to some extent, but the damage to the data is huge and may even erase all the data. Therefore, after the server and disk array RAID encounter problems, if you need to rebuild, force online, initialize, etc., you must make a complete mirror of each hard disk before doing so.
For more information on data recovery and forensics, please pay attention to the WeChat public account "dstchina2002"
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