Case:
The customer’s color card N4100PRO NAS, a total of four hard disks, each 1.5T. All of them are photos. The amount of data is about 4t .1,2,3 hard disk report errors. The data cannot be accessed.
Solution:
After the test of the four hard disks, there are a lot of bad disks on No. 2 and 3 to perform sector -level mirrors for 12 hours.After analysis, the file system is the Linux EXT3 architecture, and the partition format is LVM, and the RAID starts sector position.For information such as size and verification methods, define partition information, and successfully analyze the file system.