The OceanStor 9000 Externally Provides a Single File System That

Multiple Choice

The OceanStor 9000 externally provides a single file system that is managed by a unified file system namespace. All the objects involved in user operations such as storing files, setting a share, and managing permission reside in this namespace. Which of the following statements about a namespace are correct? (Select three.)

A) During the startup of the OceanStor 9000, a namespace is automatically created with the same name as that of the OceanStor 9000.
B) As the root directory of the entire system, a namespace cannot be shared or accessed. However, its subdirectories can be shared and accessed.
C) A unified namespace provides a unified storage resource pool where storage space can be centrally managed and allocated.
D) All shared directories are subdirectories in the unified namespace.