SANsymphony-V-虛擬化結(jié)合

1、虛擬化/云端的基石: DataCore SANsymphony-V 存儲(chǔ)虛擬化1Copyright 2011 DataCore Software Corp. All Rights Reserved.虛擬化環(huán)境可能碰到存儲(chǔ)相關(guān)的問題2Copyright 2011 DataCore Software Corp. All Rights Reserved.如何整合用戶環(huán)境中的各種存儲(chǔ)，實(shí)現(xiàn)存儲(chǔ)虛擬化如何解決虛擬化環(huán)境中的存儲(chǔ)性能匱乏問題如何將存儲(chǔ)資料的可靠度提升？且不被特定廠商綁定？提供快速的資料備份與還原保護(hù)機(jī)制？如何擺脫以上的束縛與限制？3Copyright 2011 DataCore Softw

2、are Corp. All Rights Reserved.完整完整的的軟硬件虛擬環(huán)境（軟硬件虛擬環(huán)境（T.E.VT.E.V）4服務(wù)器虛擬化桌面虛擬化Copyright 2011 DataCore Software Corp. All Rights Reserved.虛擬化環(huán)境存儲(chǔ)管理三大要素5Storage Consolidation異質(zhì)存儲(chǔ)整合Virtual Disk Pool存儲(chǔ)資源共享Thin Provisioning空間有效利用CachingI/O反應(yīng)速度提升RAID StripingI/O水平擴(kuò)展Channel Replace在線路徑變更Auto-Tiering自動(dòng)存儲(chǔ)分層Sync

3、 Mirroring (HA)同步鏡像CDP/Snapshot資料持續(xù)保護(hù)Remote Replication/ASR異地災(zāi)難備援保護(hù)Pass-Through Disk既有存儲(chǔ)設(shè)備再利用DataCore提供存儲(chǔ)最重要三大要素功能提供存儲(chǔ)最重要三大要素功能Copyright 2011 DataCore Software Corp. All Rights Reserved.6Storage Consolidation不同存儲(chǔ)整合Virtual Disk Pool存儲(chǔ)資源共享Thin Provisioning精簡(jiǎn)配置Copyright 2011 DataCore Software Corp. All

4、 Rights Reserved.基于傳統(tǒng)的存儲(chǔ)區(qū)域網(wǎng)絡(luò)（SAN）7存儲(chǔ)控制器 控制器故障導(dǎo)致整個(gè)信息系統(tǒng) 中斷 單一磁盤陣列無法提供完整的 數(shù)據(jù)保護(hù)，反而因?yàn)閱吸c(diǎn)故障 成為信息系統(tǒng)最脆弱的一環(huán) 故障發(fā)生后，必須執(zhí)行繁雜的 人工操作 附加的備份存儲(chǔ)，提高了 規(guī)劃預(yù)算Copyright 2011 DataCore Software Corp. All Rights Reserved.存儲(chǔ)設(shè)施虛擬化整合架構(gòu)8存儲(chǔ)控制器存儲(chǔ)控制器存儲(chǔ)控制器vDiskvDiskvDisk虛擬化存儲(chǔ)層n 對(duì)存儲(chǔ)進(jìn)行虛擬化的管理。n 消除了異構(gòu)中兼容性的模式，整合資源及再分 配；n 脫離基于傳統(tǒng)控制器，實(shí)現(xiàn)了對(duì)存儲(chǔ)信息靈

5、活 管理的夢(mèng)想。不再是利用單獨(dú)的存儲(chǔ)設(shè)備虛擬化存儲(chǔ)使應(yīng)用不再與存儲(chǔ)系統(tǒng)保持關(guān)聯(lián)性iSCSINASFCCopyright 2011 DataCore Software Corp. All Rights Reserved.存儲(chǔ)資源共享SANFC / iSCSISSV虛擬存儲(chǔ)池前端主機(jī)2TB3TB4TB6TB10TB5TBE牌磁盤陣列H牌磁盤陣列B牌磁盤陣列N牌磁盤陣列S牌磁盤陣列D牌磁盤陣列成本性能密度高高低成本性能密度中中中成本性能密度低低高n整合各種不同存儲(chǔ)設(shè)備(FC/SCSI/iSCSISAS/ATA/IDE/USB)n依存儲(chǔ)池內(nèi)不同磁盤類型，進(jìn)行階層化分類n可在線新增更多實(shí)體磁盤至存儲(chǔ)池中

6、n虛擬存儲(chǔ)池空間使用預(yù)警值設(shè)定vDiskvDiskvDiskDataBaseHyperVisorFile Server各種介質(zhì)(SCSI、SAS、FC、SATA、 ISCSI、 USB、EIDE)Copyright 2011 DataCore Software Corp. All Rights Reserved.階層型的虛擬存儲(chǔ)池13SANFC or iSCSI虛擬磁盤存儲(chǔ)池主機(jī)2TB2TB4TB4TB10TB10TBE品牌U存儲(chǔ)H品牌V存儲(chǔ)B品牌W存儲(chǔ)N品牌X存儲(chǔ)S品牌Y存儲(chǔ)D品牌Z存儲(chǔ)成本成本性能性能密度密度HiHiLow成本成本性能性能密度密度MidMidMid成本成本性能性能密度密度L

7、owLowHin在虛擬存儲(chǔ)池添加完全兼容性的存儲(chǔ)設(shè)備資源。n根據(jù)存儲(chǔ)池的資源，簡(jiǎn)單地資源的階層化。n存儲(chǔ)池內(nèi)的資源，可在線能追加。Copyright 2011 DataCore Software Corp. All Rights Reserved.虛擬磁盤的資源分配11nThin Provisioning技術(shù)，精簡(jiǎn)化實(shí)體空間分配。n可針對(duì)每個(gè)虛擬磁盤 (VDisk)設(shè)定預(yù)定保留(reserve)的存儲(chǔ)空間。n 虛擬磁盤可放大或縮小(Resize)n已經(jīng)分配的存儲(chǔ)資源可透過reclaimation功能進(jìn)行空間回收n 虛擬磁盤最大可設(shè)定虛擬磁盤最大可設(shè)定1PB !虛擬磁盤容量保留空間實(shí)際使用空間虛

8、擬磁盤容量實(shí)際使用空間SSV虛擬存儲(chǔ)池(實(shí)際容量1TB)虛擬磁盤容量 80TB虛擬磁盤容量 1PBVDisk#1 (80TB)VDisk#2 (1PB)于檔案層級(jí)刪除檔案可于SANsymphony-V進(jìn)行空間回收作業(yè)Copyright 2011 DataCore Software Corp. All Rights Reserved.12Disk CachingI/O反應(yīng)速度提升RAID StripingI/O水平擴(kuò)展Auto-Tiering資源分層自動(dòng)化Online Channel Replace線上路徑變更Copyright 2011 DataCore Software Corp. All

9、Rights Reserved.高速緩存15DiskSubsystemsCachedArrayCachedArrayUn-cachedArrayHigh-SpeedLevel 1 CachingCPU緩存寫入聚合寫入緩存響應(yīng)緩存預(yù)讀CPUCPUCPUDisk Drive 4000? 6000DataCore L1 Cache 20Array L2 Cache 250? 300Avg. Response (S)n每臺(tái)DataCore節(jié)點(diǎn)，最大1TB前端主機(jī)前端主機(jī)前端主機(jī)Copyright 2011 DataCore Software Corp. All Rights Reserved.IO水平

10、擴(kuò)展及負(fù)載均衡16DataCore Server虛擬存儲(chǔ)池VDiskn 通過 Raid 技術(shù)保護(hù)存儲(chǔ)設(shè)備n 通過 Raid 技術(shù)分配 I/O 壓力提升整體存儲(chǔ)性能n 在線設(shè)備替換Storage #2Storage #3Storage #1Storage #4Copyright 2011 DataCore Software Corp. All Rights Reserved.RAID Striping (IO scale out)15DataCore SSVSSV虛擬存儲(chǔ)池VDiskn虛擬存儲(chǔ)池中，可透過scale out方式擴(kuò)充更多I/O與容量n皆為線上方式新增擴(kuò)充額外存儲(chǔ)資源n通過分散式寫入

11、邏輯磁盤，以RAID Striping方式提升整體IO性能n 結(jié)合后端存儲(chǔ)設(shè)備RAID保護(hù)機(jī)制，成為RAID 50、RAID10等組合n 在線設(shè)備替換Storage #2Storage #3Storage #1Storage #4Copyright 2011 DataCore Software Corp. All Rights Reserved.Auto-Tiering 自動(dòng)分層存儲(chǔ)n在同一個(gè)存儲(chǔ)池中，根據(jù)不同存儲(chǔ)介質(zhì)進(jìn)行性能分級(jí)n SANsymphony-V針對(duì)資源區(qū)塊存取頻繁度進(jìn)行偵測(cè)n被頻繁存取的數(shù)據(jù)將被搬移到適合（已定義的）資源上16Tier 1SSDTier 3SATATier 2S

12、AS頻繁存取不常存取適度存取虛擬磁盤虛擬磁盤存儲(chǔ)池存儲(chǔ)池60%Low Cost / Highest Capacity35%Midrange/ Modestly Priced5%Fastest/ Most ExpensiveSSD讀取性能優(yōu)于SAS磁盤25-100倍采用此技術(shù)有效提升重要服務(wù)的存儲(chǔ)性能Copyright 2011 DataCore Software Corp. All Rights Reserved.Fusion-IO with DataCoreplus performance17Copyright 2011 DataCore Software Corp. All Rights

13、Reserved.DataCore PerformanceThe tests were based around four HP ML370G5 servers, each filled with as many dual port 4Gb/s HBAs we could cram in - 16 ports in each server. The storage hardware was on evaluation from HP and EMC. We had an HP EVA8000 with 240 x 300GB 15K FC disks, and an EMC CX3-80 wi

14、th 240 x 144GB 15K FC disks. The storage was provisioned from each array to two of the SAN Symphony SDS servers. From here, virtual luns were created in SAN Symphony and provisioned up to the 14 Application servers we had, with a mixture of 2Gb and 4Gb HBAs.The tests were conducted with IOMeter and

15、Microsoft Exchange Jetstress. The results are below:SCENARIO 1: HP EVA8000 and SAN SymphonyExchange JetStress 10,634 IOPSIOMETER64K Sequential Reads (Max MB/s) 17,432 IOPS, 1,089.50MB/s512B Sequential Reads (Max IOPS) 441,842.67 IOPS!, 215.74MB/sSCENARIO 3: HP EVA8000 without SAN SymphonyExchange Je

16、tStress 9,061 IOPSIOMETER64K Sequential Reads (Max MB/s) 17,720 IOPS, 1,107MB/s512B Sequential Reads (Max IOPS) 135,258 IOPS, 225.33MB/sSCENARIO 2: EMC CX3-80 and SAN SymphonyExchange JetStress 12,965.41 IOPSIOMETER64K Sequential Reads (Max MB/s) 17,473 IOPS, 926.29MB/s512B Sequential Reads (Max IOP

17、S) 488,878.67 IOPS, 325.33MB/sSCENARIO 4: EMC CX3-80 without SAN SymphonyExchange JetStress 10,718.61 IOPSIOMETER64K Sequential Reads (Max MB/s) 16,236 IOPS, 1,014MB/s512B Sequential Reads (Max IOPS) 164,305 IOPS, 80.23MB/sCopyright 2011 DataCore Software Corp. All Rights Reserved.19Sync Mirroring (

18、HA)本地端故障保護(hù)CDP/Snapshot資料持續(xù)保護(hù)Remote Replication & Site Swap異地災(zāi)難備份保護(hù)Pass-Through Disk既有存儲(chǔ)設(shè)備保護(hù)Copyright 2011 DataCore Software Corp. All Rights Reserved.信息化的命脈在哪里？所有的虛擬機(jī)與資料皆存放在單點(diǎn)存儲(chǔ)當(dāng)存儲(chǔ)硬件失效時(shí)，影響范圍全面性空調(diào)失效電力問題資料操作錯(cuò)誤建筑物崩壞技術(shù)性錯(cuò)誤維護(hù)升級(jí)其他意外服務(wù)器群ClusteringCopyright 2011 DataCore Software Corp. All Rights Reserve

19、d.解決存儲(chǔ)單點(diǎn)錯(cuò)誤的建議方案 傳統(tǒng)存儲(chǔ)設(shè)備通常這樣建議存儲(chǔ)鏡像機(jī)柜A樓層A廠房A機(jī)柜B樓層B廠房BCopyright 2011 DataCore Software Corp. All Rights Reserved.盡管做了鏡像，存儲(chǔ)服務(wù)依然停擺Stand by必須為相同品牌的設(shè)備型號(hào)SynchronousMirrorOut-of-service鏡像拷貝副本為離線狀態(tài)必須重新配置磁盤給前端主機(jī)，才能繼續(xù)存取另行撰寫腳本進(jìn)行自動(dòng)化切換昂貴的購置成本(中高級(jí)存儲(chǔ)設(shè)備、軟件授權(quán)、硬盤品牌限定)手動(dòng)指派應(yīng)用服務(wù)器/備援服務(wù)器應(yīng)用服務(wù)器Copyright 2011 DataCore Software

20、Corp. All Rights Reserved.Synchronous Mirroring（Storage HA）23n異質(zhì)存儲(chǔ)設(shè)備間進(jìn)行實(shí)時(shí)資料鏡像n可延展架構(gòu)，可分布于同機(jī)房/不同樓層/不同樓間n 結(jié)合前端主機(jī)多路徑管理(MPIO/DSM)，實(shí)現(xiàn)自動(dòng)路徑切換n維護(hù)停機(jī)或單點(diǎn)元件故障不影響前端主機(jī)IO運(yùn)行ActivePartnerCacheCacheVDiskMirror (P)Mirror (S)123455路徑自動(dòng)切換前端主機(jī)SSV1SSV2cache to cache 2 phase commit提升SLA等級(jí)100% non-downtimeCopyright 2011 Data

21、Core Software Corp. All Rights Reserved.持續(xù)不中斷資料保護(hù) （iCDP）24ActiveCDPSource寫入時(shí)間戳記9am 10am 11am 14天11:49 AM11:48:59 AMn可提供最少8小時(shí)，最高14天的資料保護(hù)作業(yè) (恢復(fù)以秒為單位恢復(fù)以秒為單位)n以虛擬磁盤為單位進(jìn)行保護(hù)n前端主機(jī)不需安裝任何Agent，支持所有作業(yè)系統(tǒng)(包含各種虛擬服務(wù)器)nBlock level，與前端應(yīng)用程序/服務(wù)無特定依賴關(guān)系n瞬間建立任意時(shí)點(diǎn)roll back volume，簡(jiǎn)化恢復(fù)作業(yè)前端主機(jī)FC/iSCSIDataCore SSVCopyright 2

22、011 DataCore Software Corp. All Rights Reserved.Online Snapshots （Full / Differential）25n可排程時(shí)間點(diǎn)進(jìn)行快照備份作業(yè)n內(nèi)建提供“完全復(fù)制(Full)”與“差異化復(fù)制(view)”兩種快照技術(shù) n支援夸異質(zhì)存儲(chǔ)設(shè)備間的快照作業(yè)，降低快照備份的成本n 最高達(dá)1024份快照11:00 AM08:00 AM12:00 PM17:00 PM前端主機(jī)測(cè)試平臺(tái)備份服務(wù)器 資料備份 資料測(cè)試 資料分析 資料恢復(fù)快照排程DataCore Virtual DiskDataFC/ iSCSIData(Full & Vi

23、ew)Copyright 2011 DataCore Software Corp. All Rights Reserved.1234Online Snapshots 在線快照18Host (Active)Source1234Point-in-time Backup Testing Analysis Recoveryn快照性能大幅提升n虛擬卷快照瞬時(shí)完成Copyright 2011 DataCore Software Corp. All Rights Reserved.異地容災(zāi)技術(shù)ClusterCentralizedManagementAsynchronous ReplicationBuildi

24、ng 1Building 227Copyright 2011 DataCore Software Corp. All Rights Reserved.Asynchronous Remote Replication28IP NetworkActiveBufferSourceDestinationAsync CopySnapshotRecovery Imagen使用IP方式進(jìn)行非同步資料區(qū)塊傳輸作業(yè) n專利傳輸與壓縮，提升整體傳輸效率達(dá)5-20倍n異地備援端可通過快照技術(shù)，達(dá)成異地多時(shí)間點(diǎn)恢復(fù)n 任何時(shí)間點(diǎn)皆可于異地端通過快照進(jìn)行資料驗(yàn)證運(yùn)營(yíng)主機(jī)資料中心端異地備援端災(zāi)備主機(jī)隨時(shí)資料驗(yàn)證SSV 1S

25、SV 3Copyright 2011 DataCore Software Corp. All Rights Reserved.SSV 1北京Advanced Site Recovery29IP NetworkVDiskBufferSourceDestinationn 相當(dāng)于高級(jí)存儲(chǔ)設(shè)備的傳輸自由反轉(zhuǎn)功能n Advanced Site Recovery (ASR)雙方向傳輸作業(yè)n 通過ASR可任意反轉(zhuǎn)傳輸方向，僅復(fù)制變更數(shù)據(jù)區(qū)塊，簡(jiǎn)化災(zāi)難演練n 整合PowerShell，可配置適合企業(yè)自身災(zāi)難恢復(fù)作業(yè)，達(dá)成備援自動(dòng)化VDiskBuffer運(yùn)營(yíng)主機(jī)備援主機(jī)Active SiteStandby SiteStandby SiteActive Site啟動(dòng)異地備援/災(zāi)難演練SSV 3上海自動(dòng)掛載自動(dòng)掛載Copyright 2011 DataCore Software Corp. All Rights Reserved.支持一對(duì)一，一對(duì)多，多對(duì)一的彈性規(guī)劃30總公司數(shù)據(jù)中心異地備援 / 遠(yuǎn)程分公司Cop