NAS data recovery case under LINUX

Case:
Customers were burned due to the NAS server, which caused the data in NAS to be lost, and the client contacted us and started analyzing.

Solution:
Customers provide information and say that NAS uses a 4 -set RAID0 storage data. There are three partitions in NAS. As long as the customer needs the last partition data, the partition size is 1.8T.Use Winhex to open the disk and find that the No. 0 sector is the same. It is an MBR. There are 3 FD types of FD: liniux soft RAID) in the partition table.Positioning to the beginning part of the last partition, the familiar EXT3 super block and EXT3 block descriptor found.The analysis found that this is a Raid0 as the customer said, because the partition is relatively large, the analysis of the front of the EXT3 partition has obtained all the parameters of RAID reorganization, reorganization, and data reproduction.