Azure 数据库迁移服务支持的迁移方案的状态Status of migration scenarios supported by Azure Database Migration Service

Azure 数据库迁移服务旨在支持脱机(一次性)和联机(连续同步)迁移的各种迁移方案(源/目标对)。Azure Database Migration Service is designed to support different migration scenarios (source/target pairs) for both offline (one-time) and online (continuous sync) migrations. 随着时间的推移,Azure 数据库迁移服务提供的方案范围也在不断扩大。The scenario coverage provided by Azure Database Migration Service is being extended over time. 将定期添加新的方案。New scenarios are being added on a regular basis. 本文介绍 Azure 数据库迁移服务当前支持的每个迁移方案和状态(个人预览版、公共预览版或正式版)。This article identifies migration scenarios currently supported by Azure Database Migration Service and the status (private preview, public preview, or general availability) for each scenario.

脱机和联机迁移Offline versus online migrations

使用 Azure 数据库迁移服务可以执行脱机或联机迁移。With Azure Database Migration Service, you can do an offline or an online migration. 通过“脱机”迁移,应用程序停机时间在迁移开始的同时开始 。With offline migrations, application downtime begins at the same time that the migration starts. 若要限制迁移完成时交接到新环境所需的停机时间,请使用联机迁移。 To limit downtime to the time required to cut over to the new environment when the migration completes, use an online migration. 建议对脱机迁移进行测试,以便确定其停机时间是否可以接受;如果不能接受,请执行联机迁移。It's recommended to test an offline migration to determine whether the downtime is acceptable; if not, do an online migration.

迁移方案状态Migration scenario status

Azure 数据库迁移服务支持的迁移方案的状态随时间而变化。The status of migration scenarios supported by Azure Database Migration Service varies with time. 一般而言,方案首先在个人预览版中发布。Generally, scenarios are first released in private preview. 参与个人预览需要客户通过 DMS 预览站点提交提名。Participating in private preview requires customers to submit a nomination via the DMS Preview site. 个人预览完成后,方案状态将更改为公共预览版After private preview, the scenario status changes to public preview. Azure 数据库迁移服务用户可以直接从用户界面试用公共预览版的迁移方案。Azure Database Migration Service users can try out migration scenarios in public preview directly from the user interface. 不需要注册。No sign-up is required. 但是,公共预览版的迁移方案不一定在所有区域中都可用,并且可能会在最终版本发布之前进行其他更改。However, migration scenarios in public preview may not be available in all regions and may undergo additional changes before final release. 经过公共预览后,方案状态将更改为正式版After public preview, the scenario status changes to generally availability. 正式版 (GA) 是最终发布状态,其功能是完整的且可供所有用户访问。General availability (GA) is the final release status, and the functionality is complete and accessible to all users.

迁移方案支持Migration scenario support

下表显示使用 Azure 数据库迁移服务时支持的迁移方案。The following tables show which migration scenarios are supported when using Azure Database Migration Service.

Important

若要在个人预览版中查看 Azure 数据库迁移服务当前支持的所有方案,请参阅 DMS 预览站点To view all scenarios currently supported by Azure Database Migration Service in Private Preview, see the DMS Preview site.

脱机(一次性)迁移支持Offline (one-time) migration support

下表显示了 Azure 数据库迁移服务对脱机迁移的支持。The following table shows Azure Database Migration Service support for offline migrations.

目标Target Source 支持Support 状态Status
Azure SQL DBAzure SQL DB SQL ServerSQL Server GAGA
RDS SQLRDS SQL
OracleOracle
Azure SQL DB MIAzure SQL DB MI SQL ServerSQL Server GAGA
RDS SQLRDS SQL
OracleOracle
Azure SQL VMAzure SQL VM SQL ServerSQL Server GAGA
OracleOracle
Azure Cosmos DBAzure Cosmos DB MongoDBMongoDB GAGA
Azure DB for MySQLAzure DB for MySQL MySQLMySQL
RDS MySQLRDS MySQL
用于 PostgreSQL 的 Azure DBAzure DB for PostgreSQL PostgreSQLPostgreSQL
RDS PostgreSQLRDS PostgreSQL

联机(连续同步)迁移支持Online (continuous sync) migration support

下表显示了 Azure 数据库迁移服务对联机迁移的支持。The following table shows Azure Database Migration Service support for online migrations.

目标Target Source 支持Support 状态Status
Azure SQL DBAzure SQL DB SQL ServerSQL Server GAGA
RDS SQLRDS SQL GAGA
OracleOracle
Azure SQL DB MIAzure SQL DB MI SQL ServerSQL Server GAGA
RDS SQLRDS SQL GAGA
OracleOracle 个人预览版Private preview
Azure SQL VMAzure SQL VM SQL ServerSQL Server
OracleOracle
Azure Cosmos DBAzure Cosmos DB MongoDBMongoDB GAGA
Azure DB for MySQLAzure DB for MySQL MySQLMySQL GAGA
RDS MySQLRDS MySQL GAGA
用于 PostgreSQL 的 Azure DBAzure DB for PostgreSQL PostgreSQLPostgreSQL GAGA
RDS PostgreSQLRDS PostgreSQL GAGA
OracleOracle 公共预览版Public preview

后续步骤Next steps

有关 Azure 数据库迁移服务和区域可用性的概述,请参阅什么是 Azure 数据库迁移服务一文。For an overview of Azure Database Migration Service and regional availability, see the article What is the Azure Database Migration Service.