When you use a PolarDB-X 1.0 instance, you must access the mounted ApsaraDB RDS for MySQL instances. If the network configuration of a connected ApsaraDB RDS for MySQL instance changes, for example, if the zone is switched, the network connection between the PolarDB-X 1.0 instance and the ApsaraDB RDS for MySQL instance is broken. As a result, the PolarDB-X 1.0 instance cannot access the ApsaraDB RDS for MySQL instance. In this case, you must manually fix the database shard connection to restore the network connection. This topic describes how to manually fix database shard connections in the PolarDB-X 1.0 console.
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Fix database shard connections
Last Updated: Apr 15, 2022
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