58f7582c63
Not as many of these as I thought there would be. Also, yes, the change to 'nova.conf.compute' is a doc change :) Change-Id: I27626984ce94544bd81d998c5fdf141875faec92 Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
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===========
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Hypervisors
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===========
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.. TODO: Add UML (User-Mode Linux) hypervisor to the following list when its
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dedicated documentation is ready.
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.. toctree::
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:maxdepth: 1
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hypervisor-basics
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hypervisor-kvm
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hypervisor-qemu
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hypervisor-xen-libvirt
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hypervisor-lxc
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hypervisor-vmware
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hypervisor-hyper-v
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hypervisor-virtuozzo
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hypervisor-powervm
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hypervisor-zvm
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hypervisor-ironic
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OpenStack Compute supports many hypervisors, which might make it difficult for
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you to choose one. Most installations use only one hypervisor. However, you
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can use :ref:`ComputeFilter` and :ref:`ImagePropertiesFilter` to schedule
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different hypervisors within the same installation. The following links help
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you choose a hypervisor. See :doc:`/user/support-matrix` for a detailed list
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of features and support across the hypervisors.
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The following hypervisors are supported:
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* `KVM`_ - Kernel-based Virtual Machine. The virtual disk formats that it
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supports is inherited from QEMU since it uses a modified QEMU program to
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launch the virtual machine. The supported formats include raw images, the
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qcow2, and VMware formats.
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* `LXC`_ - Linux Containers (through libvirt), used to run Linux-based virtual
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machines.
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* `QEMU`_ - Quick EMUlator, generally only used for development purposes.
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* `VMware vSphere`_ 5.1.0 and newer - Runs VMware-based Linux and Windows
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images through a connection with a vCenter server.
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* `Xen (using libvirt)`_ - Xen Project Hypervisor using libvirt as
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management interface into ``nova-compute`` to run Linux, Windows, FreeBSD and
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NetBSD virtual machines.
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* `Hyper-V`_ - Server virtualization with Microsoft Hyper-V, use to run
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Windows, Linux, and FreeBSD virtual machines. Runs ``nova-compute`` natively
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on the Windows virtualization platform.
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* `Virtuozzo`_ 7.0.0 and newer - OS Containers and Kernel-based Virtual
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Machines supported via libvirt virt_type=parallels. The supported formats
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include ploop and qcow2 images.
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* `PowerVM`_ - Server virtualization with IBM PowerVM for AIX, IBM i, and Linux
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workloads on the Power Systems platform.
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* `zVM`_ - Server virtualization on z Systems and IBM LinuxONE, it can run Linux,
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z/OS and more.
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* `UML`_ - User-Mode Linux is a safe, secure way of running Linux versions and Linux
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processes.
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* `Ironic`_ - OpenStack project which provisions bare metal (as opposed to virtual)
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machines.
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Nova supports hypervisors via virt drivers. Nova has the following in tree
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virt drivers:
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* :oslo.config:option:`compute_driver` = ``libvirt.LibvirtDriver``
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This driver runs on Linux and supports multiple hypervisor backends, which
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can be configured via the :oslo.config:option:`libvirt.virt_type` config
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option.
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* :oslo.config:option:`compute_driver` = ``ironic.IronicDriver``
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* :oslo.config:option:`compute_driver` = ``vmwareapi.VMwareVCDriver``
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* :oslo.config:option:`compute_driver` = ``hyperv.HyperVDriver``
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* :oslo.config:option:`compute_driver` = ``powervm.PowerVMDriver``
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* :oslo.config:option:`compute_driver` = ``zvm.ZVMDriver``
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* :oslo.config:option:`compute_driver` = ``fake.FakeDriver``
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This driver does not spawn any virtual machines and therefore should only be
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used during testing.
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.. _KVM: https://www.linux-kvm.org/page/Main_Page
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.. _LXC: https://linuxcontainers.org
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.. _QEMU: https://wiki.qemu.org/Manual
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.. _VMware vSphere: https://www.vmware.com/support/vsphere-hypervisor.html
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.. _Xen (using libvirt): https://www.xenproject.org
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.. _Hyper-V: https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/hyper-v-technology-overview
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.. _Virtuozzo: https://www.virtuozzo.com/products/vz7.html
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.. _PowerVM: https://www.ibm.com/us-en/marketplace/ibm-powervm
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.. _zVM: https://www.ibm.com/it-infrastructure/z/zvm
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.. _UML: http://user-mode-linux.sourceforge.net
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.. _Ironic: https://docs.openstack.org/ironic/latest/
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