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OceanStor 9000 V300R006C00 File System Feature Guide 12

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Working Principles

Working Principles

This section describes the working principles of eSight.

Related Concepts

  • Simple Network Management Protocol (SNMP)

    A set of network management standards. SNMP can be used in a network management system to monitor network-attached devices for conditions that warrant administrative attention. SNMP is a part of the Internet protocol family defined by Internet Engineering Task Force (IETF).

  • REST (Representational State Transfer)

    Representational State Transfer (REST) is a coordinated set of constraints applied to design and development of network application. It reduces development complexity and improves system scalability. REST style web services are resource-oriented. REST resources are uniquely identified by Uniform Resource Identifier (URI). eSight services are externally provided by URI, so users can obtain eSight resources by URI.

eSight Principle

By default, eSight does not display eSight resources. The resources can only be loaded after you set a management IP address, user name, and password for the device to discover resources. You can use eSight to check details, alarms, and nodes of the file system and learn about device health status.

With REST, eSight discovers devices and queries information about the cluster, nodes, running status, and alarms of the OceanStor 9000. The OceanStor 9000 reports alarms to eSight using SNMP.

Working principles of eSight are shown in Figure 11-1.

Figure 11-1  Working principles of eSight
Updated: 2019-06-27

Document ID: EDOC1000122519

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