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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 20-2 shows the logical architecture of VBS.

Figure 20-2 Logical architecture of VBS
Table 20-1 Component details




Console layer


Provides level-1 load balancing.


Provides level-2 load balancing.

VBS Console

VBS management console

API/Service layer


VBS client, which receives requests from the VBS Console, and invokes FusionSphere OpenStack components

Resource pool


A component in FusionSphere OpenStack. It receives requests from Karbor and invokes Cinder Driver.

Cinder Driver

A component in FusionSphere OpenStack. It receives requests from Cinder and creates volume snapshots on storage devices.

eBackup Driver

A plug-in provided by VBS. It is installed in FusionSphere OpenStack, receives requests from Cinder Driver, and invokes eBackup.

eBackup Server&Proxy nodes

VBS server. It receives requests from eBackup Driver and backs up data from the production storage to the backup storage.

Common components

API Gateway

Third-party applications call VBS 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 Flow

Figure 20-3 shows the service flow of VBS.

Figure 20-3 Service flow of VBS
  1. The system delivers a backup job on VBS Console.
  2. Karbor deliver a snapshot creation command and a backup command to Cinder.
  3. Cinder delivers a snapshot creation command to Cinder Driver.
  4. Cinder Driver schedules the backup job automatically and creates a backup snapshot on the production storage.
  5. Cinder delivers a backup command to eBackup Driver.
  6. eBackup Driver delivers the backup to the specified eBackup Server&Proxy nodes, and then eBackup Server&Proxy nodes automatically back up the production data to the backup storage.
Updated: 2019-04-23

Document ID: EDOC1100026685

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