Case:
The customer’s HP server, 4 1TB SAS hard disk 2003 system RAID5, because the 0 and No. 1 disk turned on the red light, the array was dropped.
Solution:
The engineer used a dedicated equipment and tools to detect it. It was found that No. 0 hard disk was damaged by magnetic head. The opening data must be recovered. The No. 1 hard disk is a physical bad channel and needs to be treated with mirroring.After the analysis of No. 0 and No. 1 hard disk, No. 1 hard disk is dropped in advance, and the data is not fresh. The lack of No. 1 hard disk for array parameter analysis, and based on the analyzed parameter virtual reorganization arrays, the data directory structure is complete and completeThe data can be opened, and the data recovers 100%success.