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doc-exports/docs/rds/umn/rds_sqlserver_modify_availability.html
Wang , Deng Ke 166ff0f192 rds usermanual 20230112 version for review 
Reviewed-by: Boka, Ladislav <ladislav.boka@t-systems.com>
Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com>
Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
2023-10-17 05:08:37 +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 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.
  6. View the results on the Basic Information page.
Parent topic: Instance Modifications