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全量阶段失败报错，关键词“Access denied for user *** to database ***” 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: retry structures failed
by: [reason]:Failed to connect to database due to network, check the network between the DRS and the database or try again later.
全量同步失败报错，关键词“column *** does not exist” 场景描述 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
全量同步失败报错，关键词“type 'geometry' does not exist” 场景描述 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
全量阶段失败报错，关键词“Communications link failure The last packet sent successfully to the server was 0 milliseconds ago.
%s failed: record tid:%s,seqno:%s with PK applied failed in table %s.
service LOGMANAGER failed, cause by: Initialize logical replication stream failed, the source database may have a long transaction: *** 可能原因
全量同步失败报错，关键词“invalid locale name” 场景描述 全量同步期间DRS任务报错，同步日志界面提示：service DATAMOVE failed, cause by: target engine postgresql client initialize failed
全量阶段失败报错，关键词“Unknown database ***” 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: retry structures failed events=the fail structures
全量阶段失败报错，关键词“transfer account failed, can not find password from src DB” 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: transfer
or try again later.
全量或增量阶段失败报错，关键词“service *** failed, cause by: Unable to connect to DBMS: ***” 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：service *** failed, cause by: Unable
全量或增量阶段失败报错，关键词“service *** failed, cause by: Unable to connect to DBMS: ***” 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 *** failed, cause by:
对比任务报错，关键词“失败报错：service SDV failed!
存在约束不验证添加前数据 前源数据库的表存在特殊constraint类型，该constraint添加时仅对新数据进行约束检查，并不检查存量数据是否满足约束条件，所以源表可能存在部分数据不满足约束，部分数据满足约束的情况，目标数据库不支持这类constraint，要求所有数据均满足constraint
MySQL server is running with the --super-read-only option so it cannot execute this statement” 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
备份迁移失败，提示备份校验文件失败 操作场景 客户创建备份迁移任务报错：Failed to obtain the restoration file information。 问题分析 备份文件损坏或者不完整，备份文件校验失败。
增量阶段失败报错，关键词“current serverUUID not equals to this session” 场景描述 增量迁移或同步期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: write table %s failed
全量或增量阶段失败报错，关键词“temporary file size exceeds 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
with PK applied failed in table %s, Deadlock found when trying to get lock; try restarting transaction 可能原因 目标库发生死锁。
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