paravirtualization

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Pre-Virtualization: Slashing the Cost of Virtualization

Despite its current popularity, para-virtualization has an enormous cost. Its diversion from the platform architecture abandons many of the benefits that come with pure virtualization the faithful emulation of the platform API: stable and well-defined platform interfaces, single binaries for kernel and device drivers (and thus lower testing, maintenance, and...

Tags: Paravirtualization, Benefit, University Of Karlsruhe, Virtualization, Cloud Computing, Storage Management, Utility Computing, Hardware, Storage

White papers 2005-10-19

Additional Resources

Apple's Snow Leopard Completely Blows It Virtually

RE: Apple's Snow Leopard Completely Blows It VirtuallyI think there is a lack of understanding of Apple's goals here. Mac OS can run perfectly fine on commodity hardware from Dell, etc. they just purposely prevent it from doing so. (Check out all the "Hackintosh" OS X boot-loaders if...

Tags: Operating systems, Apple Mac OS, Virtualization, Mac business, Apple Inc., Apple Mac OS X, hardware, Apple Macintosh, Apple Mac OS X v10.6 Snow Leopard

Discussion threads 2009-08-30

VMWare's filesystem clustering cracked open

Late last week, an important plate in VMWare's proprietary battle armor was cracked open when Fluid Operations, the company behind the eCloudmanager storage virtualization product open-sourced on the community Google Code site their clean room implementation of VMFS, the clustered locking file system used by VMWare's ESX Server hypervisor...

Tags: Hypervisor, Clustering, File System, VMware Inc., VMFS, Virtualization, Ip storage, Open Source, Hardware, Jason Perlow

Blog posts 2009-03-03

Surviving the recession with Free Enterprise OSes (Part 2)

In Part 1, I discussed the four Free Linux distributions that are best position to provide extended support and ample functionality to an end user through a protracted recession,  as well as having the characteristic "safeness" or "stability" factor in terms of being able to weather...

Tags: Enterprise Linux, Red Hat Enterprise Linux, Ubuntu, Sun Solaris 10, Red Hat Inc., Recession, Operating System, Novell OpenSuse, BSD, CentOS, Scientific Linux, LTS, LTS Version, Versions, Sun Solaris, Linux, UNIX, Operating Systems, Open Source, Servers, Software, Hardware, Jason Perlow

Blog posts 2008-10-14

Linux 2.6.26 kernel update released

 Linus Torvalds quietly released another update to the Linux kernel over the weekend that offers better support for kernel-based virtual machines, a kernel debugger, improved webcam support and new support for the One Laptop Per Child architecture.  Version 2.6.26 was released on Sunday, July 13. What's most...

Tags: Kernel, Linux, Open Source, Operating Systems, Software, Paula Rooney

Blog posts 2008-07-15

Hyper-V: The no-brainer virtualization stack for Windows

Last Thursday, Microsoft released the final version of Hyper-V, the much anticipated built-in hypervisor for Windows Server 2008. Back in February, we had a look at a late beta release, and we were quite impressed with the performance of the system and how easy it was to manage virtual machines....

Tags: Performance, Microsoft Windows Server, Server, VMware Inc., Microsoft Corp., Hyper-V, Paravirtualization Method, Microsoft VMM 2008, Microsoft Windows, Linux, Virtualization, Microsoft Windows Server 2008, Operating Systems, Cloud Computing, Open Source, Storage Management, Utility Computing, Software, Hardware, Storage, Jason Perlow

Blog posts 2008-07-01

I'm sticking with Windows XP

You've heard it all before -- the bell tolls for Windows XP. The governor isn't calling to give it a reprieve -- Microsoft is officially declaring it end of life for system OEMs on June 30. On April 14, 2009, mainstream support dies. Enterprises with extended support contracts can keep...

Tags: Desktop, OEM, Microsoft Windows Vista, Microsoft Windows XP, Virtualization, Microsoft Windows, Cloud Computing, Microsoft Windows Vista (Longhorn), Storage Management, Utility Computing, Operating Systems, Software, Hardware, Storage, Jason Perlow

Blog posts 2008-06-25

ProxMox: The high-performance virtualization server for the rest of us

What sounds like a cross between a Ferengi mating practice and an  OREO cookie clone, but is actually the latest and greatest in Open Source turnkey virtualization servers? It's the ProxMox Virtual Environment,  a new open source project that has been flying under the hypervisor radar, but may pose a...

Tags: High-performance, OpenVZ, Server, VMware Inc., Virtual Machine, VM, ProxMox VE, Virtual Machine Setup, Virtualization, Linux, Cloud Computing, Storage Management, Utility Computing, Open Source, Operating Systems, Hardware, Software, Storage, Jason Perlow

Blog posts 2008-06-24

Review: Microsoft's Hyper-V puts VMWare and Linux on notice

After his last foray into the “Linux guy reviews a Microsoft product� space, Jason Perlow is back -- this time to take a look at Microsoft’s Hyper-V, the hypervisor-based virtualization solution built into the newly released Windows Server 2008. Although Hyper-V is still in beta and isn't slated to ship...

Tags: Hypervisor, Disadvantage, Operating System, SuSE Linux Enterprise Server, Xen, VMware Inc., Microsoft Corp., Virtual Machine, News, VMWare ESX, Hyper-V, Jason Perlow, Virtualization, Linux, Microsoft Windows, Storage Management, Utility Computing, Operating Systems, Open Source, Servers, Hardware, Software, Storage, Mary Jo Foley

Blog posts 2008-02-14

Xen vs. KVM: round 1 bell to ring soon

Industry executives are downplaying concerns about a growing schism between rival open source virtualization factions but a market battle between Xen and KVM appears increasingly likely, and imminent. At the San Francisco, Calif. conference this week, Qumranet, a Santa Clara, Calif-based commercial startup that funds KVM, told ZDNet that the company’s first...

Tags: Linux, Virtualization, Open Source, Xen, Paula Rooney

Blog posts 2007-08-10

Hobson's EMT saves time and money with Virtual Iron

I had an opportunity to ask Patrick McFadin, Director of Engineering, Hobsons EMT, a few questions about how his organization is using tools from Virtual Iron. A highly edited, slightly sanitized version of our conversation follows.Please tell me who you are and a bit about your organization?Patrick is the Director of Engineering...

Tags: 64-bit, Dan Kusnetzky, Virtual Iron, Hobson, EMT

Blog posts 2007-08-10

Red Hat Integrated Virtualization - A Quick Guide

This paper shows examples of Red Hat's integrated virtualization being used to reduce costs, and improve availability, security and flexibility. There are two styles of virtualization employed by Red Hat Enterprise Linux. One is called "paravirtualization" and the other is named "HVM". HVM or "Hardware Virtual Machine" takes advantage of...

Tags: Enterprise Linux, Red Hat Enterprise Linux, Red Hat Inc., Open Source, Linux, Virtualization, UNIX, Operating Systems, Software, Hardware

White papers 2007-07-18

Top-11 virtualization pitfalls

Top-11 virtualization pitfallsTitle should be renamedWhile I commend George Gerchow for a well-written article, I should point out that in fact, this should be titled "Top-11 VMWare virtualization pitfalls." It is clear he is referring to VMWare considerations and not general virtualization considerations. Several of the issues he...

Tags: Storage management, Utility computing, virtualization, VMware Inc.

Discussion threads 2007-06-19

Xenâ„¢ 3.1 is launched bringing a 64-bit hypervisor, live relocation and XenAPI

The good folks at XenSource announced Xenâ„¢ 3.1 today. This release is a wonderful demontration of a community effort. The list of contributors to Xen 3.1 include XenSource itself, Intel, IBM, Novell, VA Linux Japan, HP, Fujitsu, SGI, Red Hat, AMD, Sun, Unisys and the U.S. National Security Agency. Impressive...

Tags: virtualization, virtual processing software, virtual machine software, Uncategorized, Green Computing

Blog posts 2007-05-22

Scaling back desktop Linux's footprint for better performance, other apps

Scaling back desktop Linux's footprint for better performance, other appsXen no good for your scenario DavidXen is paravirtualization and requires the kernel of the [i]guest[/i] operating system to be ported. Ports exist for the majority of the *nix OS's, but unfortunately there isn't one for Windows XP* due to licencing...

Tags: Microsoft Windows, Operating systems, UNIX, OPEN SOURCE, performance, desktop Linux, Gentoo, Xen, VMware Inc., Linux, VM Server, operating system, desktop

Discussion threads 2007-03-26

The facts on VMware vs. Microsoft

Last week saw the opening rounds of a new war between incumbent virtualization player VMware versus Microsoft. VMware fired the first shot in a New York Times story and immediately followed up with a whitepaper attacking Microsoft with a list of complaints and Microsoft responded with this blog. ...

Tags: Virtualization, Desktop, News, Infrastructure

Blog posts 2007-03-05

Security Benefits From OS Virtualization: Real or Virtual?

Operating System OS virtualization allows businesses and individuals alike to use their available computer hardware resources much more efficiently and flexibly. This technology has become indispensable for many professional software developers and testers, allowing quick configuration of reference OS images that can be used in different contexts, often executing on...

Tags: Security, Operating System, OS Virtualization, Computer Hardware, Computer, NetIDSys, Operating System Virtualization, Virtualization, Operating Systems, Productivity, Hardware, Software

White papers 2007-01-24

VMWare may be fueling EMC's growth, but for how long?

In his post over on Between the Lines, Larry Dignan writes:Following EMCs strong fourth quarter results its safe to say that buying VMware was the best move the company has made. After all, VMware is driving EMCs growth and thats bad news for server vendors......VMware appears to be the crown...

Tags: General, IT Management, Open Source, Software Infrastructure, Hardware Infrastructure, VMware Inc., XenSource Inc.

Blog posts 2007-01-23

Hardware Support for Efficient Virtualization

In this paper, the authors survey current research towards this end, focusing on the hardware support which enables efficient virtualization. Both Intel and AMD have incorporated explicit support for virtualization into their CPU designs. While this can simplify the design of a stand alone Virtual Machine Monitor VMM, techniques such...

Tags: Virtual Machine, University Of California, Virtualization, Desktop Virtualization, Cloud Computing, Storage Management, Utility Computing, Hardware, Storage

White papers 2006-12-12

XenSource CTO takes on Oracle's criticisms, discusses virtues of paravirtualization

XenSource CTO takes on Oracle's criticisms, discusses virtues of paravirtualizationSupportWhile this response mey not be on the best place, working with computers every day and dealing with support almost every day, my biggest gripe is the level of "support".It is well known that most of the "first level" so called...

Tags: OPEN SOURCE, Servers, Oracle Corp., XenSource Inc.

Discussion threads 2006-08-04