Case:
The customer’s IBM DS4300 storage array, the operating system is AIX, and the file system is JFS2. One day, when the engineer maintains the data overtime, the RM command is executed, and the Oracle database files, control files, log files, etc. are deleted.
Solution:
The engineer first backup the file system data DD and produced a mirror file.Analysis of mirror data, through the North Asian independent research and development tools, found all delete nodes, repair Oracle database data, and import data into customer devices.