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AZ间通过高速光纤相连，以满足用户跨AZ构建高可用性系统的需求。 图1阐明了区域和可用区之间的关系。 图1 区域和可用区 目前，华为云已在全球多个地域开放云服务，您可以根据需求选择适合自己的区域和可用区。更多信息请参见华为云全球站点。 如何选择区域？ 选择区域时，您需要考虑以下几个因素：
全量迁移期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=function, index=2, schema_name=%s, obje
全量迁移或同步期间，日志界面提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=constraint_data, index=0, schema_name=DB
temp_file_limit” 场景描述 全量或增量同步期间DRS任务报错，同步日志界面提示：retry structures failed events=the fail structures are [type=index, index=0, schema_name=fossbot, ob
场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：retry structures failed events=the fail structures are [type=table_structure, index=0, schema_name=m825, object_n
全量阶段失败报错，关键词“retry structures failed events”“Table *** doesn't exist” 场景描述 全量迁移期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the
Microsoft SQL Server 2019 企业版、标准版、Web版 全量迁移 增量迁移 OBS自建桶 RDS全量备份 实时同步 实时同步是在不同系统之间，将数据通过同步技术从一个数据源拷贝到其他数据库，并保持一致，实现关键业务的数据实时流动。其支持的数据库、版本和同步模式如下所示，更多实时同步的功能特性可参考实时同步。
全量同步期间DRS任务报错，同步日志界面提示：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=operator, index=2, schema_name=public, object_name=
全量迁移失败报错，关键词“Prematurely reached end of stream” 场景描述 MongoDB->DDS实时迁移场景，全量迁移报错，日志提示信息：service DATAMOVE failed, cause by: Prematurely reached end
全量同步期间DRS任务报错，同步日志界面提示：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=account, index=0, schema_name=dummy, ob
全量同步期间DRS任务报错，同步日志界面提示：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=function, index=0, schema_name=%s, obje
全量同步期间DRS任务报错，同步日志界面提示：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=operator, index=2, schema_name=public, object_name=
全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=account, index=0, schema_name=mysql, ob
is *** MB” 场景描述 全量或增量同步期间DRS任务报错，同步日志界面提示：retry structures failed events=the fail structures are [type=index, index=***, schema_name=***, obje
全量阶段失败报错，关键词“extract table structure failed!” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by:extract table structure failed! Table is %s
DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=table_structure, index=0, schema_name=%s, object_name=%s]reason:[ERROR:
全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=account, index=0, schema_name=mysql, ob
全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=constraint_data, index=0, schema_name=%s
全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=***, index=***, schema_name=***, object
database structure failed in source database” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service LOGMANAGER failed, cause by: load database structure failed
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