To copy the contents of a file system to a new location without creating a temporary mount point, you must first have the space to hold all of the files from your source directory.

Mount the split mirror copy of the log directory (if the log files are located in a directory other than the database directory on the source database).

According to the invention, the method is simple, the slag mount is small, the oxyful has wide source, and the waste of natural resource is reduced.