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OceanStor 2600 V3 Video Surveillance Edition V300R006 Basic Storage Service Configuration Guide for File

This document is applicable to OceanStor OceanStor 2600 V3 Video Surveillance Edition. This document describes the basic storage services and explains how to configure and manage basic storage services for storage system.

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What Is the Priority of Share Authentication When a Client Is Included in Multiple Share Permissions?

What Is the Priority of Share Authentication When a Client Is Included in Multiple Share Permissions?


When a client is included in multiple share permissions, what is the priority of its share authentication?

For example, if an NFS share of a file system is exported and two NFS share permissions are configured:

  1. Use network group my_netgroup:rw (read-write) to configure. This network group contains the client whose IP address is A.A.A.A.
  2. Use IP network A.A.0.0:ro (read-only) to configure.

When a client with IP address A.A.A.A mounts the NFS share, what is its permission?


Its permission is allocated based on the following priority from high to low: host name > IP address > IP network > wildcard > network group > * (anonymous). In the previous example, the share permission of the client matches that of IP network A.A.0.0:ro which is read-only. Therefore, the client has the read-only permission. In addition, if multiple permissions of the same priority are matched, use the latest permission that is configured.

Updated: 2019-07-12

Document ID: EDOC1100021203

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