业务模式:决定链路集的业务模式是 负荷分担模式 ( Load-Share Mode )或主备用模式(Over-Ride Mode)。两端必须保持一致,建议两端都采用默认值( 负荷分担模式 )。
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它由一对服务器组成—主服务器和HDR备用服务器—并且同时支持异步和同步复制模式。
It consists of a pair of servers - the primary and the HDR secondary - and supports both synchronous and asynchronous replication modes.
在同步模式下,只有接收到来自hdr备用服务器的确认,主服务器才会提交事务。
In synchronous mode, transactions on the primary server will not commit until it receives an acknowledgement from the HDR secondary server.
在异步模式下,只有检查点在主服务器和HDR备用服务器之间是同步的。
In asynchronous mode, only checkpoints are synchronized between the primary and HDR secondary.
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