This topic describes how to migrate a single-zone instance to another zone.
Procedure
Log on to the PolarDB for Xscale console.
In the top navigation bar, select the region where the target instance is located.
On the Instances page, click the PolarDB-X 2.0 tab.
Find the target instance and click its ID.
Go to the Basic Information of the instance. In the upper-right corner of the Topology Information section, click Migrate Across Zones.
In the Migrate Across Zones dialog box, click Single-zone. Then, select the zones to which you want to migrate the instance and the switching mode.
Click OK. Wait until the migration task is completed.
Data is migrated across data centers in the migration task. The total migration time varies based on the size of the migrated data.