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Product Description

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. It describes the positioning, features, typical applications, architecture, specifications, environmental requirements, standards compliance, and granted certifications of the OceanStor 2800 V3 storage system.
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Software Architecture

Software Architecture

Storage system software manages the storage system and storage system data, and assists application servers in data operations.

Figure 5-1 shows the storage system software architecture.

Figure 5-1 Storage system software architecture

Table 5-1 describes the components of storage system software.

Table 5-1 Storage system software components

Component

Function

Table 5-2

The storage system uses dedicated operating system to manage hardware and support the operation of storage service software. Basic function control software is used to provide basic data storage and access functions. The imbedded VM management system is used to create VM running environments.

Table 5-3

Manages and maintains the storage system. The software includes SmartKit and OceanStor eService.

Table 5-4

Enables the communication and interoperation between the storage system and the application server. This software category includes UltraPath, and eSDK OceanStor.

Table 5-2 describes software running on the storage system.

Table 5-2 Software on the storage system

Category

Software

Function

Storage operating system

-

Manages storage system hardware and supports storage service software.

Management function control software

OceanStor DeviceManager

The OceanStor DeviceManager is an integrated storage management platform developed by Huawei. The DeviceManager provides easy configuration, management, and maintenance of storage devices.

SNMPab

The storage system supports SNMP-based management and configuration. Users can manage and configure the storage system through third-party software that supports SNMP. A variety of network management software supports SNMP. Users can choose the software based on their requirements.

CLIc

All configuration and maintenance operations of the storage system are recommended to perform on the CLI. Users can use a third-party terminal software to log in to the storage system through its serial port or management network port (over SSH), and manage the storage system on the CLI.

Syslog

The storage system can send alarm information to a third party. Syslog software is used to receive and save the information. There are a variety of third-party Syslog software, and users can choose one based on site requirements.

Basic function control software

SCSI software module

Processes transport layer protocols of host interface protocols, manages SCSI command status, and dispatches, resolves and processes SCSI commands.

Cache software module

Uses high-speed and small-capacity memory as a buffer, allowing low-speed and large-capacity disks to implement tiered storage and improve system performance.

Major functions include data caching, delayed writes, and prefetch.

RAID software module

Uses data stripping and redundancy to provide high-performance, large-capacity, and high-reliability data storage.

A wide range of RAID levels are supported to improve data reliability and access performance.

Pool software module

Logically combines disks from different disk enclosures into a storage pool to provide services.

VM module

Upper-layer service software

Third-party software that provides specific services. You can purchase and install such software based on service requirements.

VM operating system

Operating system where service software runs. You can purchase and install a VM operating system based on service requirements.

VM management system (VMMS)

Manages VM operations.

a: Simple Network Management Protocol

b: The supported character encoding is UTF-8.

c: Command Line Interface

Table 5-3 describes software on a maintenance terminal.

Table 5-3 Description of software running on a maintenance terminal

Software

Function

SmartKit

SmartKit helps service engineers and O&M engineers deploy, maintain, and upgrade devices.

OceanStor eService

OceanStor eService is a piece of remote maintenance and management software used for device monitoring, alarm reporting, and device inspection.

Table 5-4 describes the software running on an application server.

Table 5-4 Description of software running on an application server

Software

Function

UltraPath

A storage system driver program installed on application servers. When multiple data channels are set up between an application server and a storage system, the UltraPath selects an optimal channel for the application server to access the storage system. Therefore, UltraPath is an easy and efficient path management solution for proven data transmission reliability and high path security.

eSDK OceanStor

eSDK OceanStor is a Huawei-developed integration platform for storage devices. It has open capabilities and provides standard interfaces and preinstalled plug-ins. The plug-ins and providers of eSDK OceanStor enable the storage system to interconnect with vCenter and System Center so that customers can use their existing network management systems to manage Huawei's storage devices.

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Updated: 2019-07-12

Document ID: EDOC1000138808

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