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Open source virtualization
oVirt

Definition

oVirt

oVirt is a project started by Red Hat Inc. to develop and promote oVirt, an open source datacenter virtualization platform.

oVirt,which offers large-scale, centralized management for server and desktop virtualization, was designed as an open-source alternative to VMware vCenter/vSphere. OVirt version 3.1 was released in August 2012 and features live snapshots, network adapter hot plugging, and support for accessing externally-hosted logical unit numbers (LUNs) from virtual machines (VMs).

oVirt is built upon Red Hat Enterprise Virtualization management (RHEV-M) code, the kernel-based virtual machine (KVM) hypervisor, the oVirt node for running VMs and virtualization tools such as libvirt and v2v. It can use locally attached storage, Network File System (NFS), iSCSI or Fibre Channel interfaces to communicate with host servers.

Related glossary terms: Red Hat Storage (RHS), RHEV (Red Hat Enterprise Virtualization), RHCVA (Red Hat Certified Virtualization Administrator)

Contributor(s): Julia Anderson

This was last updated in January 2013

Posted by: Margaret Rouse

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More News and Tutorials

Why the Xen hypervisor could emerge from irrelevance

After falling out of favor among many Linux distributions, the Xen hypervisor may be on the verge of a comeback, courtesy of the Linux Foundation.
Adding hosts and virtual machines to an oVirt 3. 1 environment

Before you get started using the free oVirt 3.1 hypervisor, you'll need to set up the basic organizational structure and add hosts. Learn how here.
OVirt vs. RHEV: Are they interchangeable?

If you wonder about the difference between RHEV 3.1 and oVirt 3.1, you're not alone. We asked an expert to clear up any oVirt vs. RHEV confusion.

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