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File Access and Protocols Feature Guide 13

OceanStor 18500 V3 and 18800 V3 Mission Critical Storage System V300R003

This document describes the implementation principles and application scenarios of the NAS feature. Also, it explains how to configure and manage NAS.
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Planning an NFS Share

Planning an NFS Share

Planning an NFS share helps facilitate the follow-up service configuration. The following items need to be planned: networks, domains, permissions, and clients.

Table 2-3 lists the required preparation items.
Table 2-3  NFS share planning

Planned Item

Subitem

Requirement

Example

Network

IP address of the storage system

The storage system uses logical port (LIFa) to provide shared space for a client.

172.16.128.10

IP address of the access client.

The access client and storage system are accessible, and they can ping each other.

192.168.0.10

IP address of the maintenance terminal

The maintenance terminal and storage system are accessible, and they can ping each other.

192.168.128.10

NIS or LDAP domain

In a NIS or LDAP domain, collect the domain server's IP address and domain information and ensure that the domain server and storage system reside on the same network and they can ping each other.

LDAP server

172.16.128.15

Domain

Non-domain, NIS domain, or LDAP domain

Configure a non-domain environment, NIS domain, or LDAP domain based on site requirements. Generally, configure a domain environment for a large-sized enterprise or an enterprise that requires high security.
NOTE:

When adding a storage system to a domain, you must connect dual controllers of the storage system to the domain controller.

LDAP

Permission

-

Set users' permissions for accessing a file system.
  • When NFS v3 is used, the storage system supports UGO permissions but not ACL permissions. UGO permissions include Execute, Read, and Write.
    NOTE:

    You can run command admin:/>change service nfs support_v3_enabled=on v3_acl_enabled=on and remount the file system of the NFS share to enable ACL permissions (Not applicable to V300R003C00/V300R003C10).

  • When NFS v4 is used, the storage system supports both UGO permissions and ACL permissions. ACL permissions include List Directories, Read Data, and Write Data.

Read-only

a: A LIF is a logical port created on the physical port, bond port, and VLAN. Each LIF corresponds to an IP address.

NOTE:

If a firewall is deployed, ensure that the RPCBIND service on a client is properly running (that is, the client listens to TCP/UDP port 111) to provide RPC port mapping service. In addition, ensure that firewall rules allow the storage system to initiate connection requests and send messages to the client. For example, when an NFSv3 client uses Network Lock Manager (NLM) to request the block lock service from a storage system, the storage system randomly selects a port from ports 1 to 65535, establishes a connection to the client through the port, and notifies the client that a block lock is successfully added.

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Updated: 2019-08-14

Document ID: EDOC1000084098

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