PolarDB-X 1.0 allows you to switch zones for instances. You can switch the zone of a PolarDB-X 1.0 instance if an inappropriate zone is selected for the instance or the quota in the original zone is insufficient.


  • Typically, it takes about one to two minutes to switch zones. We recommend that you switch zones during off-peak hours to avoid business interruptions.
  • A transient disconnection within seconds may occur when you switch zones. Make sure that your application client supports automatic reconnection.


  1. Log on to the PolarDB-X 1.0 console.
  2. In the top navigation bar, select the region where the target instance is located.
  3. In the left-side navigation pane, click Instances.
  4. Find the target instance and click the instance ID to go to the Basic Information page.
  5. In the Common Actions section, click Switch Zone.
    Switch zones
  6. In the dialog box that appears, select a zone from the drop-down list, and click OK.
    Select zones