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Huawei SAP HANA Appliance HA and DR Scheme Restore Guide 03

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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).
Restore Procedure

Restore Procedure

If you do not want the DR node to take over services as the primary node, you need to unregister it from DCN03.

  1. Run the HDB stop command on DCN03 to stop the database.
  2. Run the hdbnsutil -sr_unregister --name=DCN03 command on DCN02 to unregister it from DCN03.

  3. Run the HDB stop command on DCN01 to stop the database.
  4. Run the hdbnsutil -sr_register --remoteHost=DCN02 --remoteInstance=90 --mode=sync --name=DCN01 command on DCN01 to register it with DCN02.
  5. Run the HDB start command on DCN01 to start the database.
  6. If the OS is RHEL, run the pcs resource cleanup command to clean up failed resource records. If the OS is SLES 12SP1, go to step 7.
  7. Log in to SUSE Hawk and choose Cleanup in the Operations column of the target resource.

  8. Run the hdbnsutil -sr_enable command on DCN01 to enable SR.
  9. Run the hdbnsutil -sr_register --remoteHost=DCN01 --remoteInstance=90 --mode=async --name=DCN03 command on DCN03 to register it with DCN01.

  10. Run the HDB start command on DCN03 to start the database.

    The following shows the network diagram after the restoration.

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Updated: 2019-03-30

Document ID: EDOC1100073266

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