When data is cloned, the following directories and files are created for internal use. They should not be modified.
#clone: Contains internal clone files used by the cloning operation. Created in the directory that data is cloned to.
#ib_archive: Contains internally archived log files, archived on the donor during the cloning operation.
*.#clone files: Temporary data files created on the recipient while the existing data directory is replaced by a remote cloning operation.