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DocumentationTDSQL-C for MySQLServerless ServiceMulti-AZ DeploymentOperations Related to Multi-AZ Deployment

Operations Related to Multi-AZ Deployment

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Last updated: 2026-01-29 17:47:36
The operations related to multi-AZ deployment for Serverless clusters are the same as those for provisioned resource clusters. You can see the table below for details.

Supported Features and Operation Guide

Feature Item
Operation Guide
Setting multi-AZ deployment
You can set multi-AZ deployment during cluster creation and after cluster creation via the console. For detailed operations, see Setting Multi-AZ Deployment.
Switching AZs
Clusters deployed in multiple AZs support the primary-secondary switch. For detailed operations, see Switching AZs.
Modifying AZ deployment
You can upgrade the cluster deployment method from single AZ deployment to multi-AZ deployment or downgrade from multi-AZ deployment to single-AZ deployment. For detailed operations, see Modifying AZ Deployment.

Related APIs

API
Description
This API (AddClusterSlaveZone) is used to enable multi-AZ deployment for the cluster.
This API (DescribeSlaveZones) is used to query the secondary AZ of the cluster.
This API (ModifyClusterSlaveZone) is used to modify the secondary AZ of the cluster.
This API (SwitchClusterZone) is used to switch the primary and secondary availability zones of the cluster.
This API (RemoveClusterSlaveZone) is used to disable multi-AZ deployment for clusters.
Previous Topic: Overview of Multi-AZ DeploymentNext Topic: Compute Unit

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