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FusionCloud 6.3.0 Solution Description 05

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Working Principles

Working Principles

Architecture

Figure 30-1 DBSS architecture
Table 30-1 Component details

Component Type

Component Name

Description

Console layer

DBSS Console

Enables you to manage all DBSS-related resources.

API/Service layer

DBSS Service

Provides interfaces for the DBSS Console to manage DBSS resources.

Common components

API Gateway

Third-party applications call ECS APIs through API Gateway.

SDR

Provides the resource metering and billing function.

DNS/NTP

Provides domain name resolution and time synchronization.

TaskCenter

Displays the task status.

Resource pools

Nova

Manages the life cycle of computing instances in the FusionSphere OpenStack system, for example, creating instances in batches, and scheduling or stopping instances on demand.

Cinder

Provides persistent block storage for running instances. Its pluggable drives facilitate block storage creation and management.

Neutron

Provides APIs for network connectivity and addressing.

Management domain

IAM

Provides Identity and Access Management (IAM).

eSight

Provides performance monitoring and alarm generation.

Service OM

Manages FusionSphere OpenStack and resource configuration.

Metering

Provides the resource metering and billing function using SDR.

Workflow

Figure 30-2 Workflow of DBSS

The workflow contains the following tasks:

  1. DBSS Console provides pages for HexaTier instance management, such as creating, viewing, deleting, disabling, restarting, and starting instances.
  2. Nginx provides cluster load balancing capability for access from the Console or HexaTier instances to DBS-Service nodes.
  3. DBS-Service manages all HexaTier instances as a service, while integrating the license control module, and provides event alarms and Elastic IP (EIP) association/disassociation capabilities for DBSS.
  4. HexaTier Instance provides the ultimate security protection for user databases.
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Updated: 2019-04-23

Document ID: EDOC1100026685

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