该方法和系统可以进一步包括一个次级同步主机，该次级同步主机可配置为对该主同步信号进行转发。
The method and system can further include a secondary synchronization master, which is configurable to relay the master synchronization signal.
在一个实施例中，发射器(105,115)和基站一起使用并且包括被构造为提供主同步信号的主模块。
In one embodiment, the transmitter (105, 115) is for use with a base station and includes a primary module configured to provide a primary synchronization signal.
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.
而异步可用性则不保证主系统和辅助系统是完全同步的。
Asynchronous availability does not guarantee that primary and secondary system databases are completely synchronized.
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.
此确认消息是同步发送的；也就是说，不需要对消息进行响应，只需将消息排队等待主系统进行处理。
This confirmation message is sent asynchronously; that is, no response to the message is required and the message is simply queued to the main system for processing.
另外，MDM系统和修改主数据的应用程序系统之间的同步也有成本。
Also, the synchronization between the MDM systems and application systems changing master data is not free.
在事务性系统和中心MDM 系统都要修改主数据的情况下，常常遇到 MDM信息同步模式。
The MDM information synchronization pattern is a pattern often encountered when transactional systems and the central MDM systems change master data.
这些服务器可能与主服务器不同步，导致新副本再次被检索。
These servers may not be synchronized with the master server, which could result in new copies being retrieved again.
配置更改只能在主配置存储库中进行，然后与托管节点进行同步。
Configuration changes can only be made in the master configuration repository and are subsequently synchronized with managed nodes.
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.
协作性风格的MDM支持定义、创建和同步主数据。
The collaborative style of MDM supports the definition, creation, and synchronization of master data.
同步是从主界面开始的。
这种场景的问题在于，为了保持主数据的一致性，这些系统需要同步。
The problem with this setup is that in order to keep the master data consistent, these systems need to be integrated with synchronization.
在HotStandby配置中，事务被从主节点复制到从节点，这样两个节点都进行了同步。
In the HotStandby configuration, transactions are replicated from primary to secondary so that both nodes are synchronized.
等到连接恢复时，就可以重新打开HADR，而备用系统将与主系统通信，并执行“catch - up”操作，直到它返回到同步状态。
Once connectivity is restored, you can turn HADR back on and the standby will communicate with the primary and perform "catch-up" operations until it returns to a synchronized state.
将更改保存到主配置中，并与各个节点就更改进行同步。
Save changes to the master configuration and synchronize the changes with the nodes.
转换和转移：转换、补充、放置和同步主数据。
Transform and move: Transform, enrich, place, and synchronize master information.
由于所有数据存储写必须在两个位置上同步地执行，这种解决方案的设计必须考虑主站点与辅助站点之间所需的IO带宽。
Since all data storage writes must be performed synchronously at both locations the solution design must account for IO bandwidth needed between the primary and secondary sites.
使用异步副本是一个备选方案，这可以避免同步副本带来的某些性能开销，但是这不能保证与主分区始终同步。
Using asynchronous replicas is an alternative that avoids some of the performance overhead of synchronous replicas, but they are not guaranteed to be identical to the primary at all times.
同步可用性保证主系统和辅助系统上的数据源是一致的，完整的数据连续性是在故障转移之后维护的。
Synchronous availability guarantees that the data sources on primary and secondary systems are identical, and complete data continuity is maintained after a failover.
如果计算机没有同步，则从服务器可能会停止从主服务器下载信息，或可能会拒绝对主服务器的更新。
If your machines become out of sync, then slaves might stop downloading information from the master, or updates to the master might be refused.
DRBD软件为用户读写操作提供主服务器和辅助服务器之间的同步操作，以及其他同步操。
The DRBD software provides synchronization between the primary and secondary servers for user-based Read and Write operations as well as other synchronization operations.
图5演示了同步主系统和备用系统的HADR过程。
Figure 5 illustrates the HADR processes synchronizing a primary and standby system.
通过使用EncryptionExpert提供的SQL复制技术，您可以将故障转移服务器的配置与主服务器的配置同步。
Using SQL replication technology provided by Encryption Expert, you can synchronize the configuration of failover servers with the configuration of the primary server.
在主节点(在这里是node1)上完成所有配置之后，需要让集群中的所有其他节点与它同步。
Once everything is configured on the primary node (node1), we need to synchronize this with all other nodes in the cluster. To do that, do the following.
通过在主站点从HostA运行清单7内的代码来同步主站点与目标站点之间的文件系统定义。
Synchronize the file system definition from the primary site to the target site by running the code in Listing 7 from HostA on the primary site.
现在User1将会把它的工作区与主开发流程保持同步化。
Now User1 will synchronize his workspace with the main development stream.
如果你混合使用Mac电脑和Windows电脑，你Mac电脑上的日程表并不命名为Calendar，那么其中的信息就不会和Outlook上的主日程表进行同步。
If you have a mixed group of Macs and PCs, and your Mac's calendar isn't named calendar, its information won't sync with the main calendar in Outlook.
通过从主界面中选择'SyncSources '选项卡来管理同步源。
To manage sync sources, select the 'sync sources' TAB from the main-window.
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