Case:
Customer Windows operating system, the database is Oracle 11G, which is HIS database, stored on a disk array. Due to frequent use of databases, there are many fragments, and the emergency file system is damaged. After CHKDSK, a large number of table files becomes 0.
Solution:
Engineers comprehensively retrieve the database pages in the file system through autonomous programs.Reorganize page table, link header.Analyze the original database storage chain to form a virtual RunList.Export data based on virtual RunList.