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doc-exports/docs/rds/umn/rds_pg_modify_availability.html
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Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: wangdengke2 <wangdengke2@huawei.com>
Co-committed-by: wangdengke2 <wangdengke2@huawei.com>
2025-11-24 12:07:53 +00:00

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Changing the Failover Priority

Scenarios

You can configure the failover priority for reliability or for availability, depending on your service requirements.

  • Reliability: This option is selected by default. Data consistency is preferentially ensured during a primary/standby failover. This is recommended for users whose highest priority is data consistency.
  • Availability: Database availability is preferentially ensured during a primary/standby failover. This is recommended for users who require their databases to provide uninterrupted online services.

Procedure

  1. Log in to the management console.
  2. Click in the upper left corner and select a region and a project.
  3. Click Service List. Under Database, click Relational Database Service. The RDS console is displayed.
  4. On the Instances page, click the primary instance name.
  5. On the displayed Overview page, find Failover Priority and click Configure under it. In the displayed dialog box, select a priority and click OK.
  6. View the results on the Overview page.
Parent topic: Instance Modifications