MSG308Exchange 2003的多种高可用性及集群方案一览 .ppt

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1、MSG308Exchange2003的多种高可用性及集群方案一览马笑天企业客户技术经理微软（中国）有限公司日程关键定义理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解决方案存储复制GeographicallyDispersedClustersStandbyClustersQ&A日程关键定义理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解决方案存储复制GeographicallyDispersedClustersStandby

2、Clusters计划ExchangeSiteResilienceQ&A关键定义可用性Availability高可用性HighavailabilityDowntimeSLA（ServiceLevelAgreement）ServiceabilityMessagingDialToneColdSiteWarmsiteHotsiteSiteResilienceDisasterRecoveryDisasterRecoverySite日程关键定义理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解决方案存储复制Geogr

3、aphicallyDispersedClustersStandbyClusters计划ExchangeSiteResilienceQ&A理解可用性用户往往期待比他们实际需要高的多得可用性成本问题硬件软件网络架构人可操作的设置不适当的可用性期望比实现它更容易日程关键定义理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解决方案存储复制GeographicallyDispersedClustersStandbyClustersQ&AExchange2003搞可用性特性网络负载均衡前后端架构InboundSMTP

4、桥头堡多桥头堡OutboundSMTPconnectorsRoutingGroupConnectors集群后端邮箱服务器冗余日程关键定义理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解决方案存储复制GeographicallyDispersedClustersStandbyClusters计划ExchangeSiteResilienceQ&AExchange2003SiteResilience解决方案存储数据复制GeographicallyDispersedClustersStandbyClusters

5、存储数据复制存储厂商相应技术基于主机的复制基于存储设备的复制复制并不能解决Exchange2003数据损坏复制不能替代备份同步复制WriterequestReplicationWriteComplete数据成功的写到两个存储后主机才收到“writecomplete”回应。DATADATAAcknowledge异步复制一旦数据成功写到主存据，主机就收到“writecomplete”回应。WriterequestReplicationWriteCompleteDATADATA同步复制ProsCommonlyensuresnodatalossNodeltabetweentheprimar

6、yandsecondarystoragesDataisfullysupportedbyMicrosoftConsPerformanceimpactedWritelatency(logwritelatencyiscritical)DistancelimitationClientexperiencemaybeimpactedScalabilityimpactedNumberofmailboxesreduced日程关键定义理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解决方案存储复制Geographicall

7、yDispersedClustersStandbyClustersQ&AGeographicallyDispersedCluster基于MSCS软件、硬件厂商共同提供在每个站点部署数据复制GeographicallyDispersedClustersPassive日程关键定义理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解决方案存储复制GeographicallyDispersedClus