Case:
The X -Lighting Group Lenovo Cloud Server Array Information Lost data recovery. The data recovery center calculated the array sequence calculation to calculate the array direction and arrangement order, and successfully restored the important data of customers.On December 1, 2011, the X Lighting Group called the Data Recovery Center for help, saying that their two Lenovo servers did the cloud hosting array information lost. This set of servers is a RAID5 disk array consisting of 16 1TBGB SATA hard disks.According to the analysis of the system and the Lenovo server technicians, the failure is the loss of the array information. It is suspected that the two hard disks have already dropped.
Solution:
After careful analysis and observation of the Data Recovery Center, it was found that a hard disk of the 8th disk had an abnormal sound. After testing the 8th hard disk magnetic head, the hard disk was unstable, and the hard disk appeared in a large number of bad sectors.The fundamental reason, the engineer suddenly discovered that the No. 3 of the group’s array also turned on the yellow light at the same time, and the data recovery center immediately gave a recovery plan, including: the hard disk opening mirror processing and the reconstruction of the array information.Lenovo server cloud hosting this industry is also a difficult point. After more than 5 years of development and development, the data recovery center has successfully developed a special software that responds to the system. The software has the characteristics of calculation of the array information loss.After 4 hours of intense recovery, the server’s server resume was successful, which marked that the data recovery center has successfully solved the problem of cloud arrangement calculation.