Case:
Data recovery, the Dell PS4000 server array of Jianuo Gate X collapsed, and the disk array consists of a set of RAID5 consisting of 16 1TB SATA hard disks.There was no time to replace the hard disk after a disk was dropped, and then a hard disk caused the data loss after failure.
Solution:
Data recovery data recovery engineer testing. One of the hard disks of the two hard disks was damaged, the hard disk could not be read, and the other hard disk had a lot of bad ducts.After the engineer treats the bad hard disk, the entire set of arrays is virtualized, and a new set of array is formed. After the array group is found, it is found that a hard disk has dropped half a year ago.A set of new RAID.For data detection one by one, the data is all correct.Data recovery successfully.