':' is not allowed on FAT/exFAT filesystems, so backups to such drives failed. Use '%Y-%m-%d_%H-%M-%S' instead; existing backups with the old format still sort correctly. Document the limitations of FAT/exFAT in the man page.
':' is not allowed on FAT/exFAT filesystems, so backups to such drives failed. Use '%Y-%m-%d_%H-%M-%S' instead; existing backups with the old format still sort correctly. Document the limitations of FAT/exFAT in the man page.