A Character Restrictions

This section lists the character restrictions when creating and updating resources in your storage service instance in the cloud.

Input Restrictions for FileSystem Name

Container Operation	Input Parameter	Input Restrictions	Unsupported Characters (If any)
Create your first filesystem Add a filesystem	Filesystem name	Only UTF-8 characters Maximum of 256 bytes Can start with any character Cannot contain a slash (/) character because this character delimits the filesystem name	Characters: ', ", `, <, and >. For example: jack's_container, "Future_Use"_files, ToUs<Clients Strings: When the name contains /./ or /../; When the name ends with /. or /..; For example: mymachine/./etc, current/../folder, download_directory/., root/misc/..
Create a container Update container metadata	Container custom metadata name (X-Container-Meta-{name})	Only ASCII characters Maximum of 128 bytes	The following US-ASCII characters are not supported for use in the container metadata names: Control characters (octet 0-31) and DEL (127) Separators (, ), <, >, @, ,, ;, :, \, ", /, [, ], ?, =, {, }, space, horizontal-tab

Input Restrictions for File Name

Object Operation	Input Parameter	Input Restrictions	Unsupported Characters (If any)
Upload files to standard containers Upload files to archive containers	File name	Only UTF-8 characters Maximum of 1061 bytes Can start with any character	Characters: ', ", `, <, and >. For example: jane's_file, "Hello_World".txt, Send>Customers.pdf Strings: When the name contains /./ or /../; When the name ends with /. or /..; For example: mymachine/./etc, current/../file, php/., object/..
Create or replace an object Update object metadata	Object custom metadata name (X-Object-Meta-{name})	Only ASCII characters Maximum of 128 bytes	The following US-ASCII characters are not supported for use in the object metadata names: Control characters (octet 0-31) and DEL (127) Separators (, ), <, >, @, ,, ;, :, \, ", /, [, ], ?, =, {, }, space, horizontal-tab