1、,1,在VSAN上承载OLTP的最佳实践,过去 - 基于SAN 的存储,App-Server,Web-Server,OracleEngine,OracleBackup,未来 Server VSAN,OracleEngine,App-Server,Web-ServerOracle-Backup,数据库,数据流,什么是Server SAN？源自一个朴素的愿望,2014 年底 VSAN 6.0 在中国发布,8,VSAN 6 BASICS,-HDD,-HDD,-HDD,-HDD,-HDD,600GB-SSD900GB900GB900GB-HDD900GB900GB900GB900GB-HDD,可多达
2、64 个服务器,-HDD,-HDD,-HDD,-HDD,-HDD,600GB-SSD900GB900GB900GB-HDD900GB900GB900GB900GB-HDD,-HDD,-HDD,-HDD,-HDD,-HDD,600GB-SSD900GB900GB900GB-HDD900GB900GB900GB900GB-HDD,-HDD,-HDD,-HDD,-HDD,-HDD,600GB-SSD900GB900GB900GB-HDD900GB900GB900GB900GB-HDD,-HDD,-HDD,-HDD,-HDD,-HDD,600GB-SSD900GB900GB900GB-HDD900GB
3、900GB900GB900GB-HDD,磁盘组600/6300=10%容量缓存比600/3000=20%数据缓存比600/600=100%活跃数据缓存比,Working set 活跃数据600/1500=40%数据缓存比600/300=200%活跃数据缓存比,CONFIDENTIAL,5,6,全闪存,Cache SSD400G,20% DB,假设：活跃数据 CONFIDENTIAL 数据,CONFIDENTIAL,7,VSAN-for-OLTP 配置,600GB-SSD,-HDD,-HDD,-HDD,-HDD,-HDD,900GB900GB900GB-HDD900GB900GB900GB900
4、GB-HDD,600GB-SSD,-HDD,-HDD,-HDD,-HDD,-HDD,900GB900GB900GB-HDD900GB900GB900GB900GB-HDD,600GB-SSD,-HDD,-HDD,-HDD,-HDD,-HDD,900GB900GB900GB-HDD900GB900GB900GB900GB-HDD,600GB-SSD,-HDD,-HDD,-HDD,-HDD,-HDD,900GB900GB900GB-HDD900GB900GB900GB900GB-HDD,600GB-SSD,-HDD,-HDD,-HDD,-HDD,-HDD,900GB900GB900GB-HDD90
5、0GB900GB900GB900GB-HDD,-SSD,-SSD,-SSD,600GB-SSD1200GB1200GB1200GB1200GB-SSD,-SSD,-SSD,-SSD,600GB-SSD1200GB1200GB1200GB1200GB-SSD,磁盘组,全闪存磁盘组600/4800=12.5%容量缓存比600/3000=20%数据缓存比600/600=100%活跃数据缓存比,VSAN,B-,B-,B-,600GBSLC-SSD900G900GHDD 900GHDD 1200G-HDD,SSD,B-,B-,B-,600GBSLC-SSD900G900GHDD 900GHDD 1200
6、G-HDD,SSD,Oracle Engine,Web-Server；Oracle-Backup,B-,B-,B-,600GBSLC-SSD900G900GHDD 900GHDD 1200G-HDD,SSD,B-,B-,B-,600GBSLC-SSD900G900GHDD 900GHDD 1200G-HDD,SSD,App Server,CONFIDENTIAL,9,VMware保证,保证,保证,CONFIDENTIAL,10,CONFIDENTIAL,11,CONFIDENTIAL,12,site b,Active,L2 with Multicast,10/20/40 gbps,VSAN,site a,VSAN,Active,site x,DR,Any distance 5 min RPO,VR,VSAN,VSAN Stretch Cluster结合vR、SRM实现两地三中心的容灾Witness节点不一定非得运行在物理的 ESXi主机上，也可以运行在第三个站点的虚机上，或者可以运行在公有云vCloud Air上。vESXiappliancewitness,异步的灾被节点也不一定非得运行在用户自身的机房，也可以运行中国电信的天翼云上。13,14,Thank You ,
