MSG308Exchange2003的多種高可用性及集群方案一覽

MSG308

Exchange2003的多種高可用性及集群方案一覽馬笑天企業(yè)客戶技術(shù)經(jīng)理微軟（中國）有限公司日程關(guān)鍵定義理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解決方案存儲復(fù)制GeographicallyDispersedClustersStandbyClustersQ&A日程關(guān)鍵定義理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解決方案存儲復(fù)制GeographicallyDispersedClustersStandbyClusters計劃ExchangeSiteResilienceQ&A關(guān)鍵定義可用性Availability高可用性HighavailabilityDowntimeSLA（ServiceLevelAgreement）ServiceabilityMessagingDialToneColdSiteWarmsiteHotsiteSiteResilienceDisasterRecoveryDisasterRecoverySite日程關(guān)鍵定義理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解決方案存儲復(fù)制GeographicallyDispersedClustersStandbyClusters計劃ExchangeSiteResilienceQ&A理解可用性用戶往往期待比他們實際需要高的多得可用性成本問題硬件軟件網(wǎng)絡(luò)架構(gòu)人可操作的設(shè)置不適當(dāng)?shù)目捎眯云谕葘崿F(xiàn)它更容易日程關(guān)鍵定義理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解決方案存儲復(fù)制GeographicallyDispersedClustersStandbyClustersQ&AExchange2003搞可用性特性網(wǎng)絡(luò)負(fù)載均衡前后端架構(gòu)InboundSMTP橋頭堡多橋頭堡OutboundSMTPconnectorsRoutingGroupConnectors集群后端郵箱服務(wù)器冗余日程關(guān)鍵定義理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解決方案存儲復(fù)制GeographicallyDispersedClustersStandbyClusters計劃ExchangeSiteResilienceQ&AExchange2003SiteResilience解決方案存儲數(shù)據(jù)復(fù)制GeographicallyDispersedClustersStandbyClusters存儲數(shù)據(jù)復(fù)制存儲廠商相應(yīng)技術(shù)基于主機的復(fù)制基于存儲設(shè)備的復(fù)制復(fù)制并不能解決Exchange2003數(shù)據(jù)損壞復(fù)制不能替代備份同步復(fù)制WriterequestReplicationWriteComplete數(shù)據(jù)成功的寫到兩個存儲后主機才收到“writecomplete”回應(yīng)。DATADATAAcknowledge異步復(fù)制一旦數(shù)據(jù)成功寫到主存據(jù)，主機就收到“writecomplete”回應(yīng)。WriterequestReplicationWriteCompleteDATADATA同步復(fù)制ProsCommonlyensuresnodatalossNodeltabetweentheprimaryandsecondarystoragesDataisfullysupportedbyMicrosoftConsPerformanceimpactedWritelatency(logwritelatencyiscritical)DistancelimitationClientexperiencemaybeimpactedScalabilityimpactedNumberofmailboxesreduced日程關(guān)鍵定義理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解決方案存儲復(fù)制GeographicallyDispersedClustersStandbyClustersQ&AGeographicallyDispersedCluster基于MSCS軟件、硬件廠商共同提供在每個站點部署數(shù)據(jù)復(fù)制GeographicallyDispersedClustersPassive日程關(guān)鍵定義理解可用性（Availability）Exchange2003高可用性特性Exchange2003SiteResilience解決方案存儲復(fù)制GeographicallyDispersedClustersStandbyClusters計劃ExchangeSiteResilienceQ&AStandbyClusters定義StandbyExchangeCluster是在網(wǎng)絡(luò)上獨立存在，并被配置成與生產(chǎn)環(huán)境的ExchangeCluster一樣的配置的Cluster,準(zhǔn)備隨時替代生產(chǎn)環(huán)境的Cluster:獨立的Cluster名稱和IP地址物理硬盤被配置成與生產(chǎn)服