Case:
The customer’s server is the Dell server.Store as a disk array cabinet for Da Ocean 2016I.There are 16 hard disks above, and each capacity is 1T. The original RAID5.There are three hard disks to report an error.Customers have visited two recovery companies with the Cabinet, and both companies expressed their hope of recovery.
Solution:
The hard disk of No. 2, 3, 11 of the error began to detect the 2, 3, and 11 hard disks.There are a lot of physical bad disks on the 2nd and 3rd hard disks. Use professional equipment for mirrors for 2 days.No. 11 hard disk can no longer be repaired.Perform all other hard disks for physical mirrors.After analysis, the No. 16 hard disk is a hot disk.Already online.Analyzing the No. 4 hard disk has already been offline.Reorganize the No. 11 hard disk and No. 4 hard disk.Analyze the original RAID5 parameters, determine the sequence, verification method, block size, and start sector and other parameters.The partition table of the original RAID5 was damaged.By manual calculation, the original partition structure is analyzed, with a total of seven volumes.Each volume 2T capacity.A total of 13.5T.