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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).
Region Type II

Region Type II

With External NTP Servers

Figure 3-22 shows the overall time synchronization solution after automated installation and deployment if an external NTP server is available in the environment and the IP address of the preferred external NTP server is configured in the FusionCloud Deploy deployment parameter summary file. The methods to obtain the clock source are described as follows:

  • NTP service of FusionSphere OpenStack, FusionStorage Block, and Agile Controller-DCN (Region Type II) at the resource pool layer obtain the clock source from the external clock source.
  • The Service OM at the resource pool layer obtains the clock source from the NTP service of FusionSphere OpenStack.
  • The DMZ_NTP server at the common component layer obtains the clock source from the external NTP server.
  • The OM_NTP at the common component layer obtains the clock source from the DMZ_NTP.
  • Management VMs where cloud services, common components, and management domain ManageOne reside obtain clock sources from the OM_NTP at the common component layer.
  • Tenant VMs obtain clock sources from the DMZ_NTP at the common component layer.
NOTE:

The NTP at the common component layer includes the OM_NTP deployed on the Public_Service network plane and the DMZ_NTP deployed on the DMZ_Tenant/DMZ_Service network plane. The VM nodes corresponding to OM_NTP are OM-SRV-01 and OM-SRV-02. The VM nodes corresponding to DMZ_NTP are TDNS-TNTP-01 and TDNS-TNTP-02.

  • OM_NTP corresponds to the management side and provides clock synchronization services for management VMs.
  • DMZ_NTP corresponds to the tenant side and provides clock synchronization services for tenant VMs. DMZ_NTP also functions as the upper-level clock source of OM_NTP and obtains time from the external clock source.
Figure 3-22 Time synchronization solution (with external NTP)

Without External NTP Servers

Figure 3-23 shows the overall time synchronization solution after automated installation and deployment if an external NTP server is not available in the environment and the IP address of the preferred external NTP server is not configured in the FusionCloud Deploy deployment parameter summary file. The methods to obtain the clock source are described as follows:

  • Service OM and FusionStorage Block at the resource pool layer obtain the clock source from the NTP service of FusionSphere OpenStack.
  • The DMZ_NTP at the common component layer obtains the clock source from the NTP service of the FusionSphere OpenStack.
  • The OM_NTP at the common component layer obtains the clock source from the DMZ_NTP.
  • Management VMs where cloud services, common components, and management domain ManageOne reside obtain clock sources from the OM_NTP at the common component layer.
  • Tenant VMs obtain clock sources from the DMZ_NTP at the common component layer.
NOTE:

The NTP at the common component layer includes the OM_NTP deployed on the Public_Service network plane and the DMZ_NTP deployed on the DMZ_Tenant/DMZ_Service network plane. The VM nodes corresponding to OM_NTP are OM-SRV-01 and OM-SRV-02. The VM nodes corresponding to DMZ_NTP are TDNS-TNTP-01 and TDNS-TNTP-02.

  • OM_NTP corresponds to the management side and provides clock synchronization services for management VMs.
  • DMZ_NTP corresponds to the tenant side and provides clock synchronization services for tenant VMs. DMZ_NTP also functions as the upper-level clock source of OM_NTP and obtains time from the external clock source.
Figure 3-23 Time synchronization solution (without external NTP)
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Updated: 2019-04-23

Document ID: EDOC1100026685

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