1、NetApp SolidFire技術(shù)介紹技術(shù)介紹胡衛(wèi)增2016-2-15All-flash storage platform for the next generation data centerIndustry-Leading Quality of Service (QoS)Scale-Out Architecture 4 100 nodes 35TB 3.4PB(精簡/去重/壓縮) 200k 7.5M Controllable IOPSSimple all inclusive pricing model(所有軟件已含)Direct Tier 3 Support for every cust

2、omerIndustry-standard hardware 10 GigE iSCSI； 16/8 Gb FC(GW)Proven in the Most Demanding Service Provider & Enterprise Data Centers GloballyPlatform Building Blocks24055 to 10TB effective capacity50,000 guaranteed IOPS480510 to 20TB effective capacity50,000 guaranteed IOPS960520 to 40TB effective ca

3、pacity50,000 guaranteed IOPS901020 to 40TB effective capacity75,000 guaranteed IOPS SolidFires Effective capacity calculation accounts for Helix data protection, system overhead and global efficiencies including compression, deduplication and thin provisioning. SolidFire customers typically achieve

4、an effective capacity range of 5x to 10 x the raw capacity depending on application workloads.SolidFire Node SpecificationsSF2405SF4805SF9605SF9010SF3010/SF6010 bSF Fibre ChannelDrives (2.5” cMLC SSD)(10)240 GB(10) 480GB(10) 960GB(10) 960GB(10)300 GB / (10)600 GBN/ASystem Memory /Read Cache64GB128GB

5、256GB256GB72GB / 144GB32GBEffective Capacity8.75TB17.25TB34.5TB34.5TBN/AMax Guaranteed IOPs/node50,000 IOPS50,000 IOPS50,000 IOPS75,000 IOPS50,000 / 50,000 IOPSN/ANetworking(2) 10GbE iSCSI SFP+, (2) 1GbE RJ45 Mgt(4) 16Gb FC, 2 Mgt, (4) 10GbE iSCSI SFP+CPU c (2) 2.1GHz 6 core(2) 2.1GHz 6 core(2) 2.6G

6、Hz 8 core(2) 2.5GHz 6 coreAverage Watts130W to 230W130W to 230W150W to 275W150W to 450W150W to 450W120W to 200WUsable Capacity / NodeCluster #Nodes= ( 5/10/30 ) 0.77 TB( 3.89 / 7.78 / 23.3)1.56 TB(7.78 / 15.55 / 46.66)3.12 TB(15.6 / 31.2 / 93.6)Effective TB/Node 4:1 Reduction 3.1 TB6.2 TB12.4 TB4Out

7、 of ProductionBURST may be higher 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited Use WBXAll-flash storage platform for the next generation data center.橫向擴展(萬兆互聯(lián))可保證的性能(Qos)自動管理(在線擴充/調(diào)優(yōu)/單Pool)全局消重(去重/壓縮/精簡)5-10倍數(shù)據(jù)可用性(多副本)可用空間用于自愈SolidFire Volumes, Snapshots, and Clones 2015 NetApp

8、, Inc. All rights reserved. NetApp Confidential Limited Use 6 Volume-level Snapshots (read-only)Supported since initial releaseSnapshot scheduling32 per volume a Consistency Groups available Full copy of Volume Map produced for each SnapshotVolumesSnapshots / Clones Block Size = 4KBMatches deduplica

9、tion granularity Min Size = 50GB c, Max Size = 8TBResizing not supported b Provisioning = Thin ONLYMust specify QoS at time of provisioning Each volume “accessed” on only one node dVolume Map(LUN block # = Logical Block ID)10Gb Ethernet InterconnectWBXStorage Efficiency AnalysisOverhead DescriptionS

10、olidFire OverheadCostSolidFire 5 SF2405 Nodes NetApp Overhead cDOT/AFFCostNetApp AFF Total Raw10 drives * 240GB * 5 nodes12,000 GBAFF8040 with 48 drives of 400 GB19,200 GBOS / Root Vol0% (Internal flash)12,000 GB5% (or 800GB)18,400 GBVolume Metadata10% (1 drive/node for Volume Metadata)10,800 GBN/A

11、(Included w/ WAFL)18,400 GBHotspare capacity / Node rebuild free space1 node out of 5 (20%)8,640 GB5% (2 drives per controller)16,800 GBData Parity50%4,320 GB10% (RAID-DP)15,000 GBLocal File System (LFS)Estimate 10%3,888 GB10% (WAFL Includes Volume Metadata)13,500 GBTotal Usable / Raw 32.4 % of raw7

12、2% of rawUsable Capacity : Raw Capacity Source: Placeholder 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited Use 7WBX4節(jié)點可用空間約為30%Replication (synchronous / asynchronous)Integrated cloud backupSnapshots & clonesGlobal efficiencies256-bit encryption-at-RestComprehensive loggingCloud

13、based monitoringSecure multi-tenancy (VLAN support, volume access groups)Simultaneous multiprotocol support (FC / iSCSI) Deep integrations: VMware, OpenStack, CloudStackAll Inclusive Feature Set適合的應(yīng)用VirtualInfrastructureDatabaseVirtual DesktopCloud OrchestrationValidated InteroperabilityCustomer Suc

14、cess Full VAAI Integration VMware vCenter Web Plug-In Early Development Access to VVOLs Program SRA for SRM SolidFire QoS integrated with VMware SIOCvSphere IntegrationVMware Virtualization on SolidFireNetApp: Clear Leadership in All Categories 2015 NetApp, Inc. All rights reserved. NetApp Confident

15、ial Limited Use 12EFAFF性能延遲擴展性存儲服務(wù)Gartner 2015 Magic Quadrant and Critical Capabilities for Solid-State Arrays 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited Use 13SolidFire要點：要點： 12/21/2015,NetApp 以8.7億美元正式收購SolidFire 使用通用硬件，萬兆互聯(lián)，4-100個節(jié)點 10GB ISCSI 使用FCP GateWay支持8GB FCP/16GB F

16、CP 多租戶，QOS 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited Use 14全閃存競爭全景圖 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited Use 17擴展性:Pure： 是縱向擴展,性能受限于控制性性能適用于起步小，需求可預(yù)測場景XtremIO：是橫向擴展，但不支持不同類型節(jié)點SolidFire：是橫向擴展，支持不同類型節(jié)點，性能可動態(tài)均衡，適用于大容量場景冗余度:Pure：雙控共享硬盤柜 起步配置小XtremIO

17、：雙控共享硬盤柜 可單Brick配置SolidFire：無共享多副本 起步四節(jié)點全閃存競爭全景圖 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited Use 18數(shù)據(jù)結(jié)構(gòu)和IO路徑:Pure： 使用傳統(tǒng)位置定位映射表、鏈接表、重刪表、中間表等等所有數(shù)據(jù)保存在SSD，通過Cache加速位置尋址只是單層映射，即LBA-位置，因此位置和元數(shù)據(jù)是緊耦合的關(guān)系，數(shù)據(jù)移動需要更新元數(shù)據(jù)，重刪實現(xiàn)需要附加的表格和索引。位置尋址適合所有的控制器都可以全局訪問元數(shù)據(jù)的架構(gòu)，XtremIO/SolidFire：內(nèi)容定位，元數(shù)據(jù)保存在

18、控制器中的SSD中，但是全部運行在內(nèi)存中而內(nèi)容存儲方式采用兩層元數(shù)據(jù)映射LBA-塊ID-位置，物理位置和元數(shù)據(jù)是松耦合，靈活性更好，天然就支持重刪。而內(nèi)容尋址適合大規(guī)模全局重刪和分布式架構(gòu)。全閃存競爭全景圖 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited Use 19數(shù)據(jù)清除:重刪環(huán)境下比較復(fù)雜，需要判斷是否被引用Pure： 采用表驗證的方式，定期回收空間時，檢查各種表是否引用某數(shù)據(jù)，如沒有則刪除XtremIO：而XtremIO采取的是引用計數(shù)的方式。原理其實很簡單，塊的元數(shù)據(jù)（塊ID-位置映射）包含一個引用計數(shù)，“寫”一次計數(shù)就加一，重寫時舊的塊（其實就是刪除）就減一。SolidFire:SF采用的方法是標(biāo)記&掃除GC的方式。效率最高每隔一定的時間，所有的塊都標(biāo)記為未使用。卷的元數(shù)據(jù)創(chuàng)建當(dāng)前使用的塊ID的Bloom Filters, 送到塊層，在布隆濾波器里面的塊就標(biāo)志為“在用”，在GC結(jié)束后沒有在用的塊就刪除了。這樣周而復(fù)始。全閃存競爭全景圖 2015 NetApp, Inc. All rights reserved. NetApp Confidential Limited U