System News
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Articles for the keywords: xen
12 May 2014 How to install Oracle VM server (x86)? [36390]
Step By Step Guide

Lingeswaran writes, "Oracle VM for X86 is a native hypervisor which is directly runs on the host's hardware. This hypervisor is based on xen technology and it requires very small footprint on the hard drive to install it. Oracle VM server is directly installed on the baremetal computer and it contains the oracle VM agent to manage the communication with oracle VM manager. By default, this hypervisor system is called dom0 (Domain zero) which also be called privileged domain since it has direct access with hardware. Virtual machines will be called as domU which is unprivileged domain and doesn't have direct control on the hardware..."
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31 Mar 2014 The Software-Defined Data Center: Potential Game Changer [35692]
Network Computing, March 31st, 2014

"If I were to choose one technology breakthrough that completely revolutionized the way data centers are designed and managed, I'd choose server virtualization platforms like VMware, Hyper-V, Xen, and KVM. There are a number of reasons why server virtualization has been so beneficial, including hardware cost savings, decreased data center footprint, and eliminating vendor lock-in..."
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12 Feb 2014 Unbreakable Enterprise Kernel [34873]
Release 3 Quarterly Update 1

Michele Casey writes, "We are pleased to announce the availability of Unbreakable Enterprise Kernel Release 3 Quarterly Update 1 (UEK R3U1) for Oracle Linux 6. This is the first quarterly update release for UEK R3 (Version 3.8.13-26) and includes driver updates as well as a consolidation of fixes for bugs and security issues.

Some notable highlights include:

  • Xen improvements to the block and network frontend and backend architecture
  • Support for the crashkernel=auto kernel parameter to simplify Kdump configuration
  • New feature for enabling static probes in kernel modules with DTrace
  • Device driver updates (e.g. storage devices, network cards) from key partners, such as: Broadcom, Cisco, Emulex, HP, Intel, LSI, Mellanox, Qlogic

For more details, please review the release notes.

The source code is available on our public git repository....
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09 Jan 2014 Xen Mirage: The less-is-more cloud OS [34464]
InfoWorld, January 9th, 2014

"The less, the better. That's the philosophy underscoring Mirage, a new operating system created by the Xen Project, the same folks who gave us the Linux Xen hypervisor.

Originally discussed back in 2010, Mirage was developed to solve one specific problem and solve it well: to support the kinds of network application loads that run on cloud infrastructure. A 1.0 release of the OS emerged last December -- it's now up to 1.03, thanks to brisk user feedback -- and is ready for download, with binaries available for x86 and ARM processors..."
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28 Oct 2013 Fundamental Concepts for VLAN Networks [33468]
With Oracle VM Server for x86 by Gregory King and Don Smerker

Oracle VM Server for x86 supports a wide range of options in network design. This article discusses the basic concepts relevant to Oracle VM networking. Understanding these concepts will help you make informed design choices and enable you to build a scalable, robust network architecture that has high degree of channel separation.

This article focuses on understanding a complex Oracle VM network infrastructure that uses bonded interfaces with VLAN tags specifically for Oracle VM 3.1 and 3.2. (For information on other releases, see the release-specific documentation.) Topics include Xen domains, physical hardware choices including network bonding, logical Oracle VM networks and network channels, and VLAN segments and groups.
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