Case:
A HP server of the customer company, which consists of 5 146G 2.5 -inch SAS hard disks, the array collapsed, and the array information was lost.
Solution:
First of all, do hardware testing for 5 hard disks. The magnetic head of the No. 5 disk is damaged. There is a physical bad sector on the 4th plate. The other 3 hard disks have no hardware problems.In accordance with the principle of easy to difficult, first deal with the problem of bad disks No. 4 hard disk, make a complete mirror of hard disks 1, 2, 3, and 4, and then lack the No. 5 hard disk to analyze the array parameters of the HP dual -cycle with the mirror hard disk.The array is successful. The export data is not fresh. It is the data of last year. It shows that No. 4 hard disk is a hard disk with a relatively earlier line. The No. 5 hard disk processing data must be recovered.From the matching accessories of No. 5 hard disk with the accessories library of our center, the opening of the trading head in the dustless laboratory in our center is very successful.The output data verification is correct, the data is complete, and 100%is successful.