Case:
The customer describes the RAID5 made of 6 SAS 500G hard disks of the IBM server. There is a plate of disk. If you want to replace it with a good disk, the 3 plates are offline when you insert it. The system cannot start.Important database.
Solution:
The engineer received the six SAS hard disks on the North Asian Server in a single disk, and then used the mirror tool by Disk Image to complete the hard disk to the storage.During the backup process, two hard disks were found to be unable to recognize. After further inspection of the engineer, the hard disk circuit had problems, and the two hard disks were repaired after repairing.Then analyze the RAID structure information, remove the previous offline hard disk, and export all data.The database file is mounted to the test environment and the test is found to be intact. At this point, the data recovery work is completed.