A reliable industry-proven hypervisor is a critical foundation of a virtualized infrastructure but is not a complete solution by itself. You need an IT services platform that delivers the right infrastructure and application services for running your business – a private cloud. It must include built-in migration, aggregation, allocation, power management, and availability services.
VMware vSphere is the only virtualization platform that delivers all of these built-in services.
- Live Migration: Transparent Agility
- Aggregation: Shared Pools of Resources
- Allocation: Elastic Pool of Resources
- Power Management: Intelligently Save Power
- Availability: Flexible, Uniform High Availability
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Live Server and Storage Migration: Transparent Agility
" I wouldn’t put my mission-critical systems on a virtualization solution like Microsoft Hyper-V, which is dependent on an operating system. We all know the track record of operating systems with patches and vulnerabilities. And other virtualization products lack the complete toolset that you get from VMware. The tools that VMware offers allow us to be more productive, as well as offer higher SLAs to our application owners. We couldn’t do without it. "
— Tom Gibaud, Manager of Information Technology, ViaHealth / Rochester General Hospital
Virtualization without live migration limits how dynamic and agile your IT can really be because it is a core enabler for a Shared IT Services Platform. It eliminates all application downtime and visible disruptions to the end-user when virtual machines are moved from one server to another or from one storage array to another.
VMware invented live virtual machine migration with VMware VMotion in 2003 and datacenters have never been the same since. In 2006, VMware further extended its leadership by releasing VMware Storage VMotion, which enables live migration of virtual machine files from storage array-to-array with no end-user visible interruptions. With the high attach rate of shared storage to virtualized servers, transparent migration of VM files from one array to another is critical. No other virtualization platform vendor delivers anything comparable to VMware Storage VMotion today.
Watch a technical video on: Enhanced Storage vMotion and VMware vSphere
With VMware VMotion and VMware Storage VMotion, IT administrators can perform crucial tasks like planned maintenance and automated load balancing during normal business hours. There is no further need for costly overtime pay (evenings, weekends) or hours spent scheduling maintenance windows with application owners. Workers stay productive without any disruption to their day-to-day work and IT administrators get their nights and weekends back.
See how VMotion and Storage VMotion can save $58,500 and $68,750 (per year respectively, in a 150 VM environment.
Windows Server 2008 R2 with Hyper-V and Xen-based products have server-to-server live migration but still lack storage array-to-array live migration.While server-to-server live migration is an important building block to build a private cloud, a hypervisor plus live migration is not a complete solution in and of itself. Read all the other tabs in this section to see all of the other application and infrastructure services that VMware offers to deliver a private cloud platform
| Features | VMware vSphere with vCenter | Windows Server 2008 R2 with Hyper-V with SCVMM R2 | Citrix XenServer with Essentials Enterprise |
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| Live Virtual Machine Migration for Zero Application Downtime |  |
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| Zero Application Downtime ‘Maintenance Mode’ for Patching Servers | |
 Only one live migration per host allowed |
Only one live migration per host allowed |
| Maintenance Mode with Dynamic Workload Placement | |
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| Live Storage Migration | |
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| Support for Live Storage Migration from one storage protocol to another (from iSCSI to NFS to Fibre Channel and vice versa) | |
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| Conversion from thin to thick provisioned disks during live storage migration | |
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