101 cd 1415-1445
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  • 1. © Copyright 2012 EMC Corporation. All rights reserved. 1
  • 2. VPLEX 雙中心雙活的跨雲解決方案 唐光豫 (Michael Tang) 資深技術經理 EMC Taiwan© Copyright 2012 EMC Corporation. All rights reserved. 2
  • 3. 重點內容• VPLEX 架構與系統功能介紹• VPLEX 雙活架構與高可用性說明• 最高等級的資訊保護 : 雙活中心 + 持續性資料保護• Q&A© Copyright 2012 EMC Corporation. All rights reserved. 3
  • 4. EMC 雙中心雙活的跨雲解決方案 VPLEX Metro Across Data Centers Synchronous Distances DA VPLEX 2nd site Within B Data Center Active Active DR VPLEX 1st site Within A Data Center RecoverPoint Operational And 3rd Site Recovery Mobility. Availability. Collaboration.© Copyright 2012 EMC Corporation. All rights reserved. 4
  • 5. VPLEX 叢集式架構 • 1/2/4 I/O Engines To Scale Performance • Redundant Power Feeds • Redundant Battery Backup • Redundant Fibre-Channel Switches For Internal Communication (Dual/Quad) • Management Server And Cabling • Non-Disruptive Forever single quad dual© Copyright 2012 EMC Corporation. All rights reserved. 5
  • 6. VPLEX 控制引擎介紹 Arrays Hosts  Standard EMC Hardware • Field-Replaceable Components CPU  Two Directors Per Engine, Each With: • Front-End Host (8Gb/s FC) Cores • Back-End Array (8Gb/s FC) Engine • Intel Multi-Core CPU COM • Large User Data Cache Cache • Inter-Cluster COM (8Gb/s FC or 2x 10GigE) • Intra-Cluster COM (8Gb/s FC) • Intra-Engine COM (Gen2 PCIe) WAN COM Cluster COM Engine (Director A/B)© Copyright 2012 EMC Corporation. All rights reserved. 6
  • 7. VPLEX 虛擬邏輯磁區介紹 Front End (FE) • Virtual Volumes Are Exposed To Front- End Hosts In Storage Views. Host I/O And SCSI Task Management Is Done Here. Cache • Virtual Volume Data Is Cached And Kept Consistent And Coherent Across All C Directors In A VPLEX System. O • Virtual Volumes Are Composed Of Device Virtualization M Storage Volumes. Local And Distributed Mirroring Is Done Here. Back End (BE) • Storage Volumes Represent Physical Devices Claimed From Back-End Arrays. Array I/O And Multi-Pathing Is Done Here.© Copyright 2012 EMC Corporation. All rights reserved. 7
  • 8. VPLEX 雙活架構說明 – For availability, VPLEX allows Site A Site B for a high-availability infrastructure as well as for FEFE eliminating failover from storage operations. CacheCache – For mobility, you can also take advantage of VPLEX’s disaster avoidance, data center migration,Dev Virt and workload-rebalancing Dev Virt capabilities. – For collaboration, VPLEX enables instant and BEBE simultaneous data access over VPLEX VPLEX distance and streamlined workflows. © Copyright 2012 EMC Corporation. All rights reserved. 8
  • 9. VPLEX 高可用性架構說明 • Server Failure Site A -Volumes Continue To Be Available At Surviving Cluster.(Preferred) Site B • VPLEX Cluster Component Failure -VPLEX Geosynchrony Automatically Recovers. • Cluster Link Failure -Volumes Continue To Be Available At Preferred Cluster. • Preferred Cluster Failure -VPLEX Witness Detects Failure And Guides Surviving Cluster To Continue I/O Regardless Of Preference. • Storage Array Failure -VPLEX Continues I/O To Mirrored Copy On Surviving Array. VPLEX • Failure Of VPLEX Witness Witness -No Impact.© Copyright 2012 EMC Corporation. All rights reserved. 9
  • 10. VPLEX Witness 運作說明 Stretched Witness vSphere 1. I/O Through Both Clusters. Cluster 2. Cluster A Failure. Witness Can Site A (pref) Site B See B But Not A. FEFE 3. Witness Guides Cluster B To Override Preference. App I/O Cache Continues Through B AndCache Changes Are Recorded In DRL. 4. Cluster A Is Back Online, And learns That B Resumed.Dev Virt Dev Virt 5. B Resyncs A Based On DRL. 6. Resync Finishes. BEBE © Copyright 2012 EMC Corporation. All rights reserved. 10
  • 11. 最高等級的資訊保護 :雙活中心 + 持續性資料保護 RecoverPoint RecoverPoint CDP RecoverPoint CLR RecoverPoint CRR RecoverPoint CDP Continuous Data Concurrent Local And Remote Continuous Remote Continuous Data Protection Replication Replication Protection VNX VMAX 10K VMAX 20K VMAX 40K VPLEX © Copyright 2012 EMC Corporation. All rights reserved. 11
  • 12. VPLEX新功能 - RecoverPoint Splitter RecoverPoint Front End (FE) Appliances (RPA) Cache • Splitter intercept all virtual volume changes to RPA Splitter • Any Point in Time Recovery Site A Site B Site C Device Virtualization VPLEX VPLEX VPLEX RecoverPoint CRR RPA Metro Back End (BE)© Copyright 2012 EMC Corporation. All rights reserved. 12
  • 13. EMC 雙中心雙活的跨雲解決方案 VPLEX Metro Across Data Centers Synchronous Distances DA VPLEX 2nd site Within B Data Center Active Active DR VPLEX 1st site Within A Data Center RecoverPoint Operational And 3rd Site Recovery Mobility. Availability. Collaboration.© Copyright 2012 EMC Corporation. All rights reserved. 13
  • 14. Questions?© Copyright 2012 EMC Corporation. All rights reserved. 14