Ottimizzare l IT Server Tipi di virtualizzazione (1) System Server Desktop Virtualizzazione lato client Virtualizzazione lato server Application Applicazioni inscatolate Applicazioni portabili Streaming di applicazioni Presentation Terminal Server / Citrix 16/04/2010 Ottimizzare l'it 2 Microsoft User State Server Presentation Management Desktop Application 16/04/2010 Ottimizzare l'it 3 Assyrus Srl 1
Architetture di virtualizzazione Type-2 M (Hosted ) Type-1 M (Native ) Virtuozzo UML, V-Server ware Workstation ware Server Virtual PC Microsoft Hyper-V Xen / K 16/04/2010 Ottimizzare l'it 4 Hypervisor bare-metal / ESXi 4.0 Microsoft Hyper-V R2 Xen Citrix XenServer K RedHat 16/04/2010 Ottimizzare l'it 5 Suite ware vsphere ESX vcenter Server Microsoft Hyper-V System Center M Virtual Machine Manager SMSD - Server Management Suite for Datacenter Citrix XenServer XenCenter 16/04/2010 Ottimizzare l'it 6 Assyrus Srl 2
Prossime novità ware vsphere 4.1 ware Hyper-V R2 SP1 Microsoft SP1 for Windows Server 2008 R2 RemoteFX aumenta le potenzialità dei Remote Desktop Services per applicazioni multimediali http://blogs.technet.com/virtualization/archive/2010/03/18/explainin g-microsoft-remotefx.aspx Dynamic Memory gestione dinamica della memoria in Hyper-V per aumentare le performance e la gestione di ambienti virtuali con maggior densità di macchine virtuali http://blogs.technet.com/virtualization/archive/2010/03/18/dynamicmemory-coming-to-hyper-v.aspx http://blogs.technet.com/virtualization/archive/2010/03/25/dynamicmemory-coming-to-hyper-v-part-2.aspx 16/04/2010 Ottimizzare l'it 7 Evoluzione dei server Esplosione del numero di sistemi fisici e logici Basso utilizzo dei sistemi x86 Con potenza sempre crescente (MultiCore, GHz, ) 70% Relative CPU Utilization # components C/S Web SOA + 60% 50% 40% 30% 20% 10% 0% Mainframe Unix x86 Source: IBM Scorpion, ware Internal Dramatic increases in dedicated, under-utilized IT assets Management of servers is costly and complex Inflexibility makes it hard to meet business needs 16/04/2010 Ottimizzare l'it 8 Benefits of virtualization Capex Savings Opex Savings 16/04/2010 Ottimizzare l'it 9 Assyrus Srl 3
Ap plicatio n Op erat ing System Virtu al Mach in e Ap plicatio n Op erat ing System Virtu al Mach in e Ap plicatio n Op erat ing System Virtu al Mach in e Layer: ware ESX Serv er Ap plicatio n Op erat ing System Virtu al Mach in e Resource Multiplier Physical Virtualized Physical Virtualized 4-way Server Run up to 32 Virtual Machines! 2 HBAs (paired) Create and allocate up to 32 Virtual Disks! 6GB Memory Allocate up to 12 GB Virtual Machine Memory! 2 NICs (paired) Create and allocate up to 16 Virtual NICs! All physical resources are shared by virtual machines resulting in a resource multiplier effect 16/04/2010 Ottimizzare l'it 10 Architectural Overview ware VirtualCenter One-to-Many Virtual Machine Management LAN Core ESX Server 4 1 ESX Server SAN Fabric ESX Server 3 ESX Server Dell EMC CX SAN Backup Server 2 ESX Server ware on Dell Blades & PE 16/04/2010 Ottimizzare l'it 11 Green-IT Meno server (reali) = meno consumo Energia elettrica Energia termica Quanto e cosa consuma in un PC? CPU alimentatori schede video dischi Energia (e potenza) on demand ware Distributed Power Management Gestione dinamica CPU e Core? Basta la virtualizzazione per parlare di GreenIT o Green Computing? http://www.vmware.com/solutions/green/calculator.html 16/04/2010 Ottimizzare l'it 12 Assyrus Srl 4
Licenze virtuali o reali? Considerazioni sulle licenze Una è l equivalente di un computer stesse richieste di un server fisico Un software OEM è valido solo per un dato hardware Per sistemi virtuali servirebbero licenze di tipo Retail o Multilicenza Ogni sistema (host o virtuale) necessita di licenze una per ogni sistema operativo (che lo preveda) una per ogni software che lo preveda una per ogni processore, ove richiesto Casi particolari? http://www.microsoft.com/licensing/aboutlicensing/virtualization.aspx 16/04/2010 Ottimizzare l'it 13 Certificazioni per il virtuale Certificazione hardware per l hypervisor Varie HCL Certificazione dell hypervisor per il software La virtualizzazione è veramente trasparente? Software Microsoft Windows Server Validation Program http://www.windowsservercatalog.com/svvp.aspx Software Oracle http://www.vmware.com/solutions/partners/alliances/ora cle-vmware-support.html Distribuzioni Linux 16/04/2010 Ottimizzare l'it 14 Come scegliere? Il prezzo non può essere l unico fattore di scelta Criteri di scelta Tipi di sistemi da virtualizzare Certificazione hardware/software Strumenti di gestione Livello di maturità Gestione risorse Prestazioni Overhead Scalabità Sicurezza Prezzo What do you consider the most important attribute in selecting virtual machine technologies for x86 servers? Maturity Performance Management and automation Scalability Heterogeneous OS Support Security 0 5 10 15 20 25 30 16/04/2010 Ottimizzare l'it 15 Price Gartner Conference : Dec 05 Assyrus Srl 5
Evoluzione della virtualizzazione True Dynamic IT Services Core Business Services Stack That Delivers Compelling Benefits Downtime/ Business Image Disaster Storage Software Lab Availability Continuity Management Recovery Management Maintenance Self-Service Resource Hardware Live Mobility Authentication Security Management Maintenance Lifecycle Authorization Virtual Desktop Virtual Infrastructure Foundation of the Stack Hypervisor is More than Just the Hypervisor 16/04/2010 Ottimizzare l'it 16 Live Migration vservice ware otion, makes it possible to move Virtual Machines, without interrupting the applications running inside 16/04/2010 Ottimizzare l'it 17 Automatic Scalability vservice ware Distributed Resource Scheduler automatically balances the Workloads according to set limits and guarantees Removing the need to predict resource assignment 16/04/2010 Ottimizzare l'it 18 Assyrus Srl 6
vservice ware makes all Servers and Applications protected against component and complete system failure Only One-Click to configure! X 16/04/2010 Ottimizzare l'it 19 Fault Tolerance vservice Application protection against hardware failures, with NO down time that is Application and Operating System Independent. X 16/04/2010 Ottimizzare l'it 20 P2V Migration vservice Consolidation Management with the ware Infrastructure software will automate the migration from physical to virtual machines 16/04/2010 Ottimizzare l'it 21 Assyrus Srl 7
Ottimizzare l'it 16/04/2010 Disaster Recovery vservice ware Site Recovery Manager enables an easy transition from a production site to a Disaster Recovery site X Easy Execution for real Disaster Easy Testing for good night sleep 16/04/2010 Ottimizzare l'it 22 Infrastructure vservice ware and Cisco are collaborating to enhance workload mobility and simpler management with virtualization-aware networks Nexus 1000V 16/04/2010 Ottimizzare l'it 23 Security vservice The Application vservice Safe allows security vendors to add superior security solutions inside the ware Infrastructure 16/04/2010 Assyrus Srl Ottimizzare l'it 24 8
Altri vservice Thin provisioning Live Storage Migration hardware hot-add Update Manager Power saving Monitor and alert 16/04/2010 Ottimizzare l'it 25 Edizioni di ware Diverse edizioni con diverse funzioni http://www.vmware.com/products/vsphere/buy/sm all_business_editions_comparison.html http://www.vmware.com/products/vsphere/buy/edit ions_comparison.html Limiti sui core http://www.vmware.com/download/eula/multicore. html 16/04/2010 Ottimizzare l'it 26 Essentials Packaging All inclusive packages: Licenses for 3 physical servers (up to 2 processors each) License for central management server Packages cannot be decoupled or combined; components cannot be used with other vsphere editions Data Recovery 6 CPUS x Update Manager Update Manager 6 CPUS x 6 CPUS x 4-way vsmp 4-way vsmp 6 CPUS x i OR i OR 1 x vcenter Server for Essentials (up to 3 servers) vcenter Server for Essentials (up to 3 servers) x 1 ESSENTIALS ($995) ESSENTIALS PLUS ($2,995) vcenter Server for Essentials 16/04/2010 Ottimizzare l'it 27 Assyrus Srl 9
vsphere 4: Summary of Features Large Scale Management Optimization Flexibility DRS / DPM Storage otion Host Profiles Distributed Switch DRS / DPM Storage otion Cisco Bundle Host Profiles Cisco Nexus 1KV DRS / DPM Storage otion vshield Zones vshield Zones vshield Zones vshield Zones Data Protection Data Recovery Fault Tolerance Data Recovery Fault Tolerance Data Recovery Fault Tolerance Data Recovery Fault Tolerance Hot Add Hot Add Hot Add Hot Add Consolidation 4-way vsmp i OR 6 Physical Cores / CPU 256 GB Physical Memory STANDARD otion 4-way vsmp i OR 12 Physical Cores / CPU 256 GB Physical Memory ADVANCED otion 4-way vsmp i OR 6 Physical Cores / CPU 256 GB Physical Memory ENTERPRISE otion Thin Provisioning Thin Provisioning Thin Provisioning Thin Provisioning Update Manager Update Manager Update Manager Update Manager VCB / vstorage APIs VCB / vstorage APIs VCB / vstorage APIs VCB / vstorage APIs 8-way vsmp i OR 12 Physical Cores / CPU No License Memory Limit ENTERPRISE PLUS otion Thin Provisioning Update Manager VCB / vstorage APIs 8-way vsmp i OR 12 Physical Cores / CPU No License Memory Limit ENTERPRISE PLUS + N1KV 16/04/2010 Ottimizzare l'it 28 Edizioni di Hyper-V Ruolo di Windows 2008 Server Hyper-V Server 16/04/2010 Ottimizzare l'it 29 Feature Native 64-bit Xen hypervisor Windows and Linux guests Edizioni di Citrix XenServer Unlimited servers, s, and CPUs XenCenter management console Multi-server management XenMotion live migration Historical performance reporting E-mail alerting for performance and errors High availability Integrated storage management with StorageLink XenServer (FREE) Essentials for XenServer, Enterprise Edition Essentials for XenServer, Platinum Edition Workflow orchestration Dynamic provisioning services (virtual only) Dynamic provisioning services (physical and virtual) Automated lab management Stage Management 16/04/2010 Ottimizzare l'it 30 Assyrus Srl 10
Confronto fra le soluzioni esistenti ware ESX ESXi vcenter Server otion Sotion ware HA FS Hot Add Converter Microsoft Ruolo Hyper-V Hyper-V Server SCM Live Migration Storage Failover Migration Cluster CSV Disk Hot Add Import Citrix XenApp XenApp XenCenter Embedded XenMotion NetApp/Equallog HA ic Xen storage Disk Hot Add XenConverter 16/04/2010 Ottimizzare l'it 31 Comparazione funzioni ware vsphere Microsoft Hyper-V R2 + SCM 2008 R2 Vari siti web http://blogs.techrepublic.com.com/datacenter/?p=1 820 http://www.it20.info/misc/virtualizationscompariso n.htm 16/04/2010 Ottimizzare l'it 32 Comparazione funzioni 16/04/2010 Ottimizzare l'it 33 Assyrus Srl 11