VMWare VSAN超融合架構(gòu)競爭分析

1、超融合架構(gòu)競爭分析VMware VSANIT物理基礎(chǔ)架構(gòu)軟件定義的數(shù)據(jù)中心計算-vSphere網(wǎng)絡(luò)-NSX存儲-VSAN可延展性云計算管理平臺vRealize Suite 7云計算自動化 (vRealize Automation)云計算業(yè)務(wù) (vRealize Business for Cloud)云計算運(yùn)營管理 (vRealize Operations 和 vRealize Log Insight)基礎(chǔ)架構(gòu)虛擬化計算硬件網(wǎng)絡(luò)硬件存儲硬件VMware是SDDC的市場和技術(shù)領(lǐng)導(dǎo)者終端用戶計算應(yīng)用傳統(tǒng)應(yīng)用新式云應(yīng)用混合云公有云私有云便于管理無需安裝和管理單獨(dú)的虛擬設(shè)備無單點故障提供最短的 I/O

2、路徑與 vSphere 和 VMware 產(chǎn)品體系無縫集成VSAN集成了High Availability, 遠(yuǎn)距離vMotion， Fault Tolerance（多虛擬CPU）, Data Protection, vSphere Replication 等功能vSphereVirtual SAN已嵌入虛擬機(jī)內(nèi)核虛擬 存儲設(shè)備.相比其他以VSA(虛擬存儲設(shè)備)方式部署的SDS方案，VSAN更簡單、更少消耗資源、性能更高Virtual SAN 已嵌入 vSphere 內(nèi)核CPU 占用少于 10%與其他Server SAN比，VSAN的優(yōu)勢如果Nutanix是超融合架構(gòu)，為什么管理存儲和虛機(jī)還要

3、分開來？4VSAN vs Nutanix性能5客戶案例超過4000家客戶案例僅為2200多家1:0VSANNutanix100 Certified OEM VSAN Ready Nodes,Complete Ecosystem Partners硬件可選擇性和配置靈活性2:0Very limited hardware vendors: Only 2-3 hardware vendors1 Software stack: VSAN is tightly integrated with vSphere,vCenter and all SDDC solutionsUnified and single

4、Management Console: vCenterStorage Policy Based Management(SPBM)1 Software Vendor: VMware1 Unified Software Support: Call: VMware or Authorized Partners軟件集成性、以虛擬機(jī)為中心 的存儲策略、簡化性和支持3:02 Software products: Nutanix + Hypervisor(vSphere or other)2 Management Console: Nutanix + vCenter(or other)No equivale

5、nt VM-centric SPBM2 Software Vendor: Nutanix + VMware (or other)2 Vendors Support RequiredUp to 2-5x performance on equivalent hardware, SPBM and QoS for individual Virtual Machine性能和效率Larger, more expensive configs required; no public performance results and no equivalent SPBM & QoS4:0Use a minimal

6、 amount of CPU and memory, allow greater consolidation ratios；基于存儲策 略的自動化和IOPS限制功能Uses a higher amount of CPU and memory resources, resulting in larger configs and inferior consolidation ratiosAdd as little as a single hard drive via hot plug-in to expand VSAN,support online sale-up and scale-out縱向和

7、橫向擴(kuò)展性5:0Smallest increment of scale is a node resulting in more expenseA vSphere cluster can use both VSAN and existing storage, with intelligent placement and movement as needed.對外部存儲的可支持性6:0No equivalent functionality with Nutanix intelligent placement and movement with external storage is not sup

8、ported, thus limiting expansion and growth optionsHalf the cost (or less) for equivalent configs總體擁有成本7:0Charges premium; inefficient usage of CPU/memory控制平面，VMware 一騎絕塵；數(shù)據(jù)平面，VSAN發(fā)展迅猛 （僅半年時間就新增九大特性，包括雙活、SMP-FT、支持Oracle RAC和微軟集群技術(shù)等）；VSAN 6.2支持去重、壓縮、Erasure-Coding、IOPS限制（QoS）Nutanix售后服務(wù)： 1) 計算和存儲分離，出故

9、障容易扯皮； 2) 售后工程師的數(shù)量, 分布位置？3)本土沒有研發(fā)團(tuán)隊6與Nutanix對比一Nutanix的數(shù)據(jù)本地性意義不大，并導(dǎo)致vMotion后性能下降明顯NutanixCVM至少要24GB內(nèi)存、8個vCPU，對物理服務(wù)器的資源額外開銷太大Nutanix的壓縮和去重，不能同時并存；若要去重壓縮，CVM需要32GB內(nèi)存以上Nutanix的節(jié)點主機(jī)維護(hù)和遷移容易出現(xiàn)故障，與vCenter Server的集成性和穩(wěn)定 性不佳來自一位Nutanix用戶的使用反饋：將某個Host進(jìn)入到維護(hù)模式之前，需要關(guān)閉CVM關(guān)閉CVM，出現(xiàn)無法訪問NFS datastor，也不能進(jìn)入Nutanix Pris

10、m管理界面7與Nutanix對比二第三方(StorageR) VMmark性能測試：相同配置下，VSAN是Nutanix的1.8倍相同配置的4節(jié)點進(jìn)行測試VSAN配置的價格比其他超 融合架構(gòu)(HCI)節(jié)省一半以 上VMmark, 被廣泛接受的行 業(yè)測試, 測量了集群能承擔(dān) 多少工作負(fù)載“tile” 是一種標(biāo)準(zhǔn)的工作負(fù) 載101520無法完成其他超融合架構(gòu)10個 tilesVSAN 能完成18個 tiles,資源還有些剩余以不到一半的價 格，能達(dá)到1.8 倍以上的性能805Source: StorageR91011VxRAIL VS. NutanixFeatureVxRailNutanixVMw

11、are IntegrationStorage-Based Policy MgmtFlash CapacityFlash Dedupe & CompressionInline Erasure CodingEnterprise ReplicationQoSvVol SupportGPU Option(VSAN Ready Node支持）3-Node ConfigurationMultiple HypervisorsSingle Point of SupportConfidential For Internal Use Only匯總：與VSAN相比，其他Server SAN的劣勢硬件選擇范圍非常狹窄（ HCL不豐富）；計算資源和存儲資源的管理、監(jiān)控是兩個分離的界面；部署和管理都比較復(fù)雜；以VSA方式部署在VM