ORACLE database recovery case

Case:
A company’s Oracle database server fails. The database is stored in the RAID5 array, and the disk array composed of 7 SAS 300G server hard disks is lost due to the drop information of the No. 1 hard disk and No. 4 hard disk. The array collapses.

Solution:
For data security considerations, the customer company requires home on -site to restore data.First mirroring the hard disk of No. 1 and No. 4, and then analyzed the parameters of the lines, successfully reorganized the data. This RAID5 score 4 partitions.They are full.Guide the Oracle database back to the original server. The customer tests the startup data. The startup is normal, the monitoring is normal, the client query is normal, and the data recovery is very successful.