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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 Principle

Implementation Principle

Architecture

Figure 17-1 shows the architecture of SAP HANA ECS and Figure 17-2 shows the architecture of SAP HANA BMS.

Figure 17-1 Architecture of SAP HANA ECS
Figure 17-2 Architecture of SAP HANA BMS

Service Flow

  • Service flow for creating an SAP HANA ECS

Figure 17-3 shows the service flow for creating an SAP HANA ECS.

Figure 17-3 Service flow for creating an SAP HANA ECS

The tasks in all steps are as follows:

  1. Applying for an SAP HANA ECS is launched on ECS UI.
  2. The SAP HANA ECS API of the Combined API calls the VPC API of the Combined API.
  3. The VPC API calls Neutron or AC to create an EIP and interface.
  4. The SAP HANA ECS API of the Combined API calls the EVS API of the Combined API.
  5. The EVS API calls Cinder.
  6. Cinder creates volumes in the storage pool according to storage resource application policies.
  7. The ECS API sends the request to Nova.
  8. Nova creates a HANA ECS in the HANA resource pool.

  • Service flow for creating a SAP HANA BMS
Figure 17-4 Service flow for creating a SAP HANA BMS
  1. A user applies for resources on the BMS GUI, and the request is sent to Combined API.
  2. Combined API (BMS) calls the APIs of EVS, VPC, and IMS.
  3. VPC calls Neutron to create an EIP or a port. EVS calls Cinder to create a volume based on the policy for applying for storage resources. IMS calls Glance to query image information.
  4. BMS sends the creation request to Nova.
  5. Nova sends the request to Ironic to create a BMS instance.
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Updated: 2019-04-23

Document ID: EDOC1100026685

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