No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

FusionCloud 6.3.1.1 Solution Description 04

Rate and give feedback:
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).
Implementation Principles

Implementation Principles

Architecture

Figure 36-13 shows the RDS architecture.

Figure 36-13 RDS architecture
Table 36-1 Component details

Type

Name

Description

Console layer

LVS

Provides level-1 load balancing.

Nginx

Provides level-2 load balancing.

RDS

Self-service management console for RDS web users. You can input parameters required in DB instance management commands. For example, when creating a DB instance, you can set the DB engine and version, specifications, and storage space.

Service/API layer

HAProxy

Provides load balancing capabilities for Combined API.

Combined API

Provides the backend service for RDS, serves as the server side of the RDS UI.

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 pool

Glance

Provides the Image Management Service (IMS).

Nova

Manages the life cycle of computing instances, 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).

Service OM

-

Metering

Provides the resource metering function using SDR.

Workflow

Figure 36-14 shows the RDS workflow.

Figure 36-14 RDS workflow

The tasks in all steps are as follows:

  1. Apply for an RDS DB instance.
  2. Use the combined API of ECS to invoke Cinder.
  3. Cinder creates volumes in the storage pool according to storage resource application policies.
  4. The ECS API sends the request to Nova.
  5. Mount disks to a VM.
Translation
Download
Updated: 2019-10-23

Document ID: EDOC1100063247

Views: 64121

Downloads: 182

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Share
Previous Next