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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).
Implementation Principles

Implementation Principles

Logical Architecture

Figure 21-2 shows the logical architecture of CSBS.

Figure 21-2 Logical architecture of CSBS
Table 21-1 Component details




Console layer


Provides level-1 load balancing.


Provides level-2 load balancing.

CSBS Console

CSBS management console.

API/Service layer


CSBS server, which receives requests from the CSBS management console and invokes the eBackup Manager & Workflow components.

eBackup Manager & Workflow

CSBS server, which receives Karbor requests and invokes FusionSphere OpenStack.

Resource pool


A FusionSphere OpenStack component, which receives requests from eBackup Manager & Workflow and invokes Cinder Driver.

Cinder Driver

A FusionSphere OpenStack component, which receives Cinder requests and creates volume snapshots on storage devices.

eBackup Driver

A plug-in provided by CSBS and installed on FusionSphere OpenStack, which receives Cinder Driver requests and invokes eBackup Server & Proxy.

eBackup Server & Proxy

CSBS server, which receives Cinder Driver requests and backs up data from the production storage to the backup storage.

Public Components

API Gateway

Third-party applications call CSBS APIs through API Gateway.


Provides the resource metering and billing function.


Provides domain name resolution and time synchronization.


Displays the task status.

Operation Management


Provides the unified identity authentication service.


Provides the resource metering and billing function using SDR.

O&M Management

Service OM


Service Flow

Figure 21-3 shows the service flow of CSBS.

Figure 21-3 Service flow of CSBS
  1. The system delivers a backup job on CSBS Console.
  2. Karbor delivers the backup job to eBackup Manager & Workflow.
  3. The eBackup Manager & Workflow invoke a Nova API to obtain the ECS metadata.
  4. The eBackup Manager & Workflow deliver a snapshot creation command and a backup command to Cinder.
  5. Cinder delivers a snapshot creation command to Cinder Driver.
  6. Cinder Driver schedules the job automatically and creates a backup snapshot on the production storage.
  7. Cinder delivers a backup command to eBackup Driver.
  8. The eBackup Driver delivers the backup job to the specific eBackup Server & Proxy, and then eBackup Server & Proxy automatically back up the production data to the backup storage.
Updated: 2019-04-23

Document ID: EDOC1100026685

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