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OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003 Basic Storage Service Guide for File 16

"This document describes the basic storage services and explains how to configure and managebasic storage services."
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Sharing File Systems

Sharing File Systems

This section describes how to share file systems.

A file system can be accessed only after it is shared. File systems can be shared using four protocols: NFS, CIFS, FTP, and HTTP. This section describes configuration operations required for sharing file systems using the protocols. For details, see OceanStor 18500 V3&18800 V3 Mission Critical Storage System V300R003 File Access and Protocols Feature Guide.


NFS is a protocol developed by Sun. Internet Engineering Task Force (IETF) is in charge of developing its new versions. This protocol is designed for file sharing among Linux, UNIX, Mac OS, and VMware operating systems.


CIFS is a file system share protocol developed by Microsoft and primarily used in Windows environments. The CIFS share and Homedir share use the CIFS protocol.
  • CIFS share: a file system or its quota tree is shared among authentication users including local authentication users and domain authentication users. Users have their permissions set by the storage system for accessing CIFS shares.
  • Homedir share: a file system is shared to a specific user as an exclusive directory. The user can only access the exclusive directory named after its user name.

Cross-Protocol Share Access

The storage system allows NFS sharing and CIFS sharing to be configured for the same file system concurrently. The storage system uses the user mapping function to allow users to access shared files across protocols (CIFS-NFS) used by clients on different platforms and obtain precise permission control.


File Transfer Protocol (FTP) is a universal protocol for transferring files between two computers over a TCP/IP network and primarily used in Internet environments.


Hypertext Transfer Protocol (HTTP) is a protocol for transferring hypertext from web servers to local clients and primarily used in Internet environments.

Updated: 2019-08-14

Document ID: EDOC1000084081

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