raid5 array missing

Case:
Employees misunderstood and pulled out the hard disk, causing the array information to be lost.

Solution:
There are a small amount of bad disk No. 2 and 3 of the hard disk. First, the No. 2 and No. 3 hard disks are used for mirrors, and then the array information is analyzed, the virtual reorganization array is used, and the data is restored.