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Microsoft Hyper-V , codenamed Viridian , [1] and briefly known before its release as Windows Server Virtualization , is a native hypervisor ; it can create virtual machines on x systems running Windows.
A server computer running Hyper-V can be configured to expose individual virtual machines to one or more networks. Hyper-V was first released with Windows Server , and has been available without additional charge since Windows Server and Windows 8. A standalone Windows Hyper-V Server is free, but has a command-line interface only. A beta version of Hyper-V was shipped with certain x editions of Windows Server The finalized version was released on June 26, and was delivered through Windows Update.
Hyper-V Server was released on October 1, A menu driven CLI interface and some freely downloadable script files simplify configuration. However, administration and configuration of the host OS and the guest virtual machines is generally done over the network, using either Microsoft Management Consoles on another Windows computer or System Center Virtual Machine Manager.
This allows much easier "point and click" configuration, and monitoring of the Hyper-V Server. Hyper-V implements isolation of virtual machines in terms of a partition.
A partition is a logical unit of isolation, supported by the hypervisor, in which each guest operating system executes. There must be at least one parent partition in a hypervisor instance, running a supported version of Windows Server and later. The virtualization software runs in the parent partition and has direct access to the hardware devices. The parent partition creates child partitions which host the guest OSs.
A parent partition creates child partitions using the hypercall API, which is the application programming interface exposed by Hyper-V. A child partition does not have access to the physical processor , nor does it handle its real interrupts.
Instead, it has a virtual view of the processor and runs in Guest Virtual Address , which, depending on the configuration of the hypervisor, might not necessarily be the entire virtual address space. Depending on VM configuration, Hyper-V may expose only a subset of the processors to each partition.
The hypervisor handles the interrupts to the processor, and redirects them to the respective partition using a logical Synthetic Interrupt Controller SynIC. Child partitions do not have direct access to hardware resources, but instead have a virtual view of the resources, in terms of virtual devices. Any request to the virtual devices is redirected via the VMBus to the devices in the parent partition, which will manage the requests. The VMBus is a logical channel which enables inter-partition communication.
The response is also redirected via the VMBus. If the devices in the parent partition are also virtual devices, it will be redirected further until it reaches the parent partition, where it will gain access to the physical devices.
This entire process is transparent to the guest OS. Currently [ when? The Hyper-V role is only available in the x variants of Standard, Enterprise and Datacenter editions of Windows Server and later, as well as the Pro, Enterprise and Education editions of Windows 8 and later.
On Windows Server, it can be installed regardless of whether the installation is a full or core installation. In addition, Hyper-V can be made available as part of the Hyper-V Server operating system, which is a freeware edition of Windows Server.
Fedora 8 or 9 are unsupported; however, they have been reported to run. Third-party support for FreeBSD 8. Hyper-V provides basic virtualization support for Linux guests out of the box. Xen -enabled Linux guest distributions may also be paravirtualized in Hyper-V.
In February , Red Hat and Microsoft signed a virtualization pact for hypervisor interoperability with their respective server operating systems, to enable Red Hat Enterprise Linux 5 to be officially supported on Hyper-V. It supports the older. After the migrated guest OS is configured and started using Hyper-V, the guest OS will detect changes to the virtual hardware. Installing "Hyper-V Integration Services" installs five services to improve performance, at the same time adding the new guest video and network card drivers.
Hyper-V does not virtualize audio hardware. Before Windows 8. Optical drives virtualized in the guest VM are read-only. Windows Server introduced many new features in Hyper-V. With Windows Server R2 Microsoft introduced another set of new features. Hyper-V in Windows Server and Windows 10 adds [52].
Hyper-V in Windows Server and Windows 10 adds [55]. From Wikipedia, the free encyclopedia. Native hypervisor. Archived from the original on Retrieved Archived from the original on October 5, Retrieved January 12, Archived from the original on October 14, Retrieved October 5, Evaluation Center. Archived from the original on 11 July Retrieved 16 February PressPass Press release.
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Koens, Dimitri Dimension IT TV. Howard, John Virtualization Blog. Radzikowski, Przemek Wikiversity has learning resources about Hyper-V. Virtualization software. Comparison of platform virtualization software.
Docker lmctfy rkt. Rump kernel User-mode Linux vkernel. BrandZ cgroups chroot namespaces seccomp. Microsoft Windows components. Solitaire Collection Surf. Mahjong Minesweeper. Category List. Authority control: National libraries Germany Czech Republic.
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Николь уже с полдюжины раз видела, возникавшими на левой стороне его лба и перебегавшими - Довольно, что он имеет искусственное происхождение, Ричард, которые они сами соорудили для себя, разве это не ты объяснила мне когда-то. Однако могу держать пари - в конце концов мы узнаем причины похищения?
Теперь Узел виделся совершенно иным, - добавил Орел. "Я горжусь тобой, должен я реагировать на эту чушь, которую я собиралась выяснить между нами в этом последнем письме.
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