Help Center > > User Guide> Working with RDS for SQL Server> Instance Management> Changing the Failover Priority

Changing the Failover Priority

Updated at: May 26, 2020 GMT+08:00

Scenarios

You can change the failover priority on availability or reliability to meet service requirements.

  • Reliability: This option is selected by default. Data consistency is preferentially ensured during the primary/standby failover. This is recommended for users whose highest priority is data consistency.
  • Availability: Database availability is preferentially ensured during the 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 RDS. The RDS console is displayed.
  4. On the Instance Management page, click the target primary/standby DB instances.
  5. In the DB Information area on the displayed Basic Information page, click Change in the Failover Priority field. In the displayed dialog box, select a priority and click OK.

    Figure 1 Changing the failover priority

  6. View the result of the change on the Basic Information page.

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