NFS and SMB file and directory naming dependencies overview
File and directory naming conventions depend on both the network clients’ operating systems and the file-sharing protocols, in addition to language settings on the ONTAP cluster and clients.
The operating system and the file-sharing protocols determine the following:
Characters a file name can use
Case-sensitivity of a file name
ONTAP supports multi-byte characters in file, directory, and qtree names, depending on the ONTAP release.