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Virtualized Dataceter Brings New Challenges

Right now an average US corporation has about 7% of its Datacenter virtualized. As organizations continue to virtualize servers they will face 3 new management challenges:1. Explosion in the number of virtual servers. User have already figured out just how easy it is for IT to create new virtual servers. The number of requests for new virtual servers will act to skyrocket2. Sharing of resources: memory cpu storage and network. In the traditional data bear on where one application server was dedicated to one application no sharing of resources took displace. That's not the case anymore in the virtualized datacenter3. Servers have grown "legs". In the traditional datacenter we did not need to mind about servers moving around the network from one location to another. Now we do. In the next post I will explore how VMWARE administrators can address the 3 new challenges

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Related article:
http://blog.vkernel.com/2007/11/virtualized-dataceter-brings-new.html

VMware: Microsoft rethinking the role of the hypervisor

SOLID cerebrate ON VIRTUALIZATION. STORAGE. NETWORKING. DATABASES. EMERGING TRENDS AND BUSINESS STRATEGIES communicate To Us About Your Data bear on Butler Group Strategy Report for CxOs Typically Tarryesque : Poems/Songs Well this is a quote out of NW: “Their product architecture is that virtualization is part of the [operating system] so they seem to be rethinking what hypervisor should be,” says Raghu Raghuram vice president of products and solutions for VMWare. “They are going to be coming out in almost one year with a basic-function hypervisor where today we undergo a robust hypervisor and 20,000 customers.” And Raghuram adds WMWare comes with benefits such as availability and various management tools. This Forrester analyst says: “It’s not about server virtualization,” Forrester analyst Frank Gillett told communicate World in August. “It’s about when I undergo virtual servers I can completely change how I think about IT infrastructure. When I act virtual servers around I have to have storage that is not only networked but flexible so when I act the virtual server the storage connections go with it.” I says ;-) the client are eventually looking for this. Heterogeneity: Year 2008: VMware in production. Xen in evaluate. Virtual press in development and Hyper-V in development. Year 2009: VMware in development. Microsoft in Production. Xen in evaluate and xVM in staging. Year 2010: VMware. Xen xVM. KVM. Hyper-v in production test development and staging. So to bring home the bacon a "truly heterogeneous infrastructure" one ordain undergo to evaluate of eliminating the disconnect between the hypervisors and other solutions. Our goal is to make our infrastructure highly agile and you don't get agility when you're stuck with one. Portability: Common platform to port infra from place to displace. Port appications or virtual appliances from platform to platform seamlessly. Interoperability: All those hypervisors ought to talk to each other. Us on the business layer ought to go away working on making our business copy agiler than ever! We ought to forbid looking at the hypervisor all the time.

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Related article:
http://tarrysingh.blogspot.com/2007/11/vmware-microsoft-rethinking-role-of.html

Virtual Servers?

What are virtual servers and what are they good for? While they are good for a lot of things here are a few ideas how they could bring home the bacon wonders for your small business. Consider that you are running a specialized software package to support your small business. If there is an grade what is your testing affect. What if you could evaluate in an almost live environment and simply try again if it didn’t bring home the bacon correctly. Virtual Server by Microsoft can back up you do just that. believe you are looking to upgrade hardware and you be as little down time as possible. What if you only had to act 2 files to another conjoin of hardware and your business was approve up and running? How alter would that be? Today’s hardware is so powerful that many small businesses could acquire from using Virtual Server to support their business. If you are investing a good bit of money on the hardware to support Small Business Server believe that the processor and memory probably aren’t doing much and could be used for other things. What if you could put a terminal server on the same hardware as your Small Business Server. You could alter use of the extra disk lay plus the leftover processor that is not being used. Virtual Server is a piece of software that allows you to run 1 or more actual displace servers on one set of hardware. For instance you cannot run Terminal Server in the same space as Small Business Server because of different software environmental needs but what if Small Business Server was virtual? Then you could run a Terminal Server in another virtual server process on the same hardware. This would deliver on the hardware be of a physical server for Terminal Services. As Tech Squared. Inc moves forward we are already planning our migration to Virtual Server. We undergo several small servers that we use to support our business. Our next hardware server purchase will be large enough to act all of those servers onto one set of hardware. We ordain act from 7 physical servers to 1 physical server running 7 Virtual Server instances. We ordain have one server using electricity cooling and floor space. While we will have to acquire a larger server initially we will not undergo to replace the 6 other servers as they age. We ordain simply move them one at a measure to Virtual Server.

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Related article:
http://www.techsquared.com/blog/?p=1

Redhat 5.1 ready for standalone systems, virtualized systems ...

Gridtech blogspot com is The single destination Blog for News and info on large-scale research projects. Database Grid. Simple Cluster as well as Simple Gaming Grid at domiciliate based on Grid Technology. Grid is all about HPC (high performance computing). Raleigh NC - November 7. 2007 - Red Hat (NYSE: RHT) the world’s leading provider of change state obtain solutions today announced the availability of Red Hat Enterprise Linux 5.1 with integrated virtualization. This channel provides the most compelling platform for customers and software developers ever with its industry-leading virtualization capabilities complementing Red Hat's newly announced Linux Automation strategy. It offers the industry’s broadest deployment ecosystem covering standalone systems virtualized systems appliances and web-scale "cloud" computing environments. Red Hat Enterprise Linux 5.1 virtualization delivers considerably broader server give than proprietary virtualization products and up to twice the performance. This allows greater server consolidation and eliminates a key obstacle to deploying virtualization more widely. And Red Hat Enterprise Linux customers benefit from one of the industry's largest and fastest-growing set of certified applications. Red Hat Enterprise Linux's deployment flexibility uniquely allows customers to position a single platform virtual or physical small or large throughout their enterprise. By providing one platform that spans the broadest range of x86 x86-64. POWER. Itanium and mainframe servers regardless of size core out count or capacity customers can gain dramatic operational and be efficiencies when compared to proprietary solutions. And fully integrated virtualization included at no additional be amplifies these benefits. Notably. Red Hat Enterprise Linux 5.1 provides enhanced give for virtualization of Microsoft Windows guests providing significant performance improvements for Windows XP. Windows Server 2000. 2003 and Windows 2008 beta guests. Red Hat works closely with its hardware partners to lead the industry in providing give for new hardware features an advantage unique to the open obtain development model. This is reflected in support for features such as Nested summon Tables in the new release. "Our sign testing indicates that Red Hat Enterprise Linux virtualization delivers significant performance gains for our compute intensive applications and should provide an additional forge of abstraction that ordain help us bring home the bacon multiple competing priorities," said Derek Chan. Head of Digital Operations for DreamWorks Animation. "With Red Hat Enterprise Linux virtualization customers can easily position any application anywhere at anytime," said Paul Cormier executive vice president. Worldwide Engineering at Red Hat. "Other virtualization products don't scale to support large numbers of cores or CPUs which limit customers’ ability to utilize their infrastructure or force customers to deploy multiple virtualization platforms. With Red Hat Enterprise Linux customers enjoy a flexible yet consistent application environment for all of their virtualization requirements: from small servers to mainframe-class systems for Linux and Windows servers and for even the most demanding workloads." Red Hat Enterprise Linux 5.1 is immediately available to customers via Red Hat Network. Red Hat's management and automation platform. Red Hat Network provides customers a common platform for managing both physical and virtual servers eliminating the need for organizations to change manage and train their staff on new tools to manage virtual servers. Red Hat Network allows customers to furnish observe and manage their servers throughout the entire lifecycle. Red Hat Enterprise Linux virtualization includes the ability to act be migration allowing customers to seamlessly act running applications from one server to another maximizing resource utilization in the approach of changing business requirements. Red Hat Enterprise Linux Advanced Platform includes high-availability clustering storage virtualization and failover software to give enhanced levels of application availability for both physical and virtual servers. Utilizing multiple cores and CPUs is more important than ever with the channel of Intel’s latest Quad-Core Intel Virtualization Technology can experience change surface greater gains. "Red Hat and Intel have worked together in delivering a high-performance platform for virtualization," said Pat Gelsinger senior vice president general manager. Intel Digital Enterprise Group. "Red Hat Enterprise Linux 5.1 allows customers to scale up their virtual infrastructure to run high-performance virtual machines that change IntelÃ‚Â® Virtualization Technology and all the processing power of the Quad-Core Intel

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Related article:
http://gridtech.blogspot.com/2007/11/redhat-51-ready-for-standalone-systems.html

Real world virtual servers?

Lately I have become fascinated by virtual servers. The majority of servers in every office are under-utilized. We undergo plenty of dual zeon servers with assail arrays performing menial file serving tasks. Personally I undergo backed away due to my obsession with redundancy and uptime. There are many functions which may be combined into virtual servers. WSUS anti-virus register server print server internal web hosting secondary domain controller secondary DNS etc. All of these are semi-vital to the organization. allows IT professionals to use less severs saving initial cost energy costs and ongoing give costs. It is a great solution to many issues. Unless you are a virtual expert I would suggest a lot of testing prior to implementation but start testing now! All of us have a server we can burden with an extra installation. XHTML: You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <label> <em> <i> <strike> <strong>

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http://www.lordoftheping.com/?p=33

Virtualised SANs for virtual servers

Now you can undergo a virtualised and thinly-provisioned storage area network (SAN) in a be virtual server and hardware-independent environment as DataCore has released its SANmelody and SANsymphony products as virtual machines. Virtual server environments from VMware. Xensource. Microsoft and Virtual press are supported. Previously the DataCore products would run as standard applications in physical servers. They could have been installed in virtual machines by skilled system administrators. Now DataCore has made that work unnecessary. Its SANmelody product turns PCs into IP SAN arrays with the PC acting as a storage controller. The product has change state provisioning to avoid dedicating all of the physical storage needed by an application until it is actually required saving on plough purchases. IKEA is a user of the product. SANsymphony provides both Fibre Channel and iSCSI SAN capabilities and is a high-end product compared to the more basic SANmelody. DataCore's Traveller continuous data protection product is also included in its virtual server offering putting it into competition with the VMware-only FalconStor virtual appliance. DataCore's storage virtualisation software works with nearly all storage hardware and can serve that storage to Windows. MacOS. Linux. UNIX. Solaris. AIX and Netware servers whether physical or virtual. DataCore head and CTO Ziya Aral waxed almost poetically about the new products: "Certainly the biggest fasten on the virtualisation of enterprise infrastructures has been the physical configurations and complex mapping schemes of storage subsystems and communicate topologies. It is here that the uniqueness of the DataCore (product) becomes readily apparent -- with DataCore the storage server is of the same genus as the applications it serves. Both strain to slip their hardware bonds in the desire to bring home the bacon true portability." Apart from the prose striving to move the bonds of press release formality the products do offer the ability for customers to appraise on a virtual server environment and easily share a server between application and IT infrastructure virtual machines. Provisioning SAN storage to an application in a virtual machine is easier if the storage is also managed by a virtual server as well. It simplifies SAN infrastructures and shared storage for virtual machines. Test labs and development groups can also easily set up end virtual environments including servers and SAN storage in minutes. Aral uses this fact to alter the point that: "Storage servers are today identical to all other servers in that they exist primarily as storage applications running on ever-more standard hardware." DataCore is offering its virtual server software in a 30-day free trial. Pricing starts at less than US$1,000 (AU$1,206) for a 3TB SANmelody iSCSI Storage Server including I/O lay aside Performance Acceleration and change state Provisioning. Deployment of products that transform physical servers into "virtual machines" has resulted in nothing short of a data displace revolution. But virtualization of everything from operating systems to applications increasingly has critics asking: Where's the security? Late at night a system administrator performed a routine analyse of a crashed server one of 48 systems comprising a major online infrastructure that generated about US$4 million per month in revenue. He was a bit surprised that the system had gone down as it had been humming for months without any indication of being prone to crashing. The check uncovered three encrypted files. The administrator called on MANDIANT to care for them. ARN has been the do provider of information to the Australian IT channel for more than 12 years. As the only weekly publication dedicated to the bring. ARN produces timely accurate news and analysis about IT business issues products and services new technology and market opportunities.

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http://www.arnnet.com.au/index.php?id=192879931&rid=-100

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Malware Writers Eye Virtual Servers

"You can follow beat practices on all of your virtual machines. But at the end of the day you're putting a lot of trust in the virtual machine platform forge itself," Debenedette says. "This forge also called the hypervisor the virtual kernel or virtual forge observe sits between the hardware Relevant Products/Services and all its device drivers including the operating system which puts it in a very authoritative position."Security watchers have not confirmed any exploits at this forge; but virtual-machine-aware malware such as RedPill and virtual-machine rootkits such as BluePill are common. Debenedette rightfully frets about this new platform layer: It's a vector into which virtual-machine malware writers are trying to break experts say. In this virtual environment effective security beat practices are sorely needed. In addition to physical machines virtual machines must be managed and secured. communicate defenses must be tuned to watch for rogue traffic on them. And the virtual-machine forge must be built safely and defended from up-and-coming forms of attackware. Malware back up. Org does not be confirm or approve the accuracy reliability completeness or timeliness of any of the information circumscribe views opinions recommendations or advertisements contained on distributed through or linked downloaded or accessed from any of the information contained in this News Story. By reading this you understand and accept that everything that is written in this article is for educational use only and none of it should be used at any circumstances and if you choose to use this information for any kind of action you take beat responsibility for it and channel Malware Help. Org (c) of any responsibility. If you do not agree to whats written here. get NOW!

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http://www.malwarehelp.org/news/View.php?ArticleID=6200

Ubuntu Linux + Apache2 + Virtual Hosts + Syslog (11 Sep 2007)

Central Log Management System is a simple web based logging system which allows logging all syslog messages from various Network Devices. Unix. Linux. Solaris and Windows Servers. This allows the visibility of logs from all these devices in one hit interface.

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http://rootprompt.org/article.php3?article=11202

Virtualmin 3.46 (Default branch)

About:Virtualmin is a Webmin module that simplifies the process of setting up and managing virtual servers. It can act Apache virtual hosts. BIND DNS domains. MySQL and PostgreSQL databases and set up Sendmail or Postfix to accept email for a domain. It can also bring home the bacon mailboxes and send aliases within a domain. Release cerebrate: Minor feature enhancements Changes: More control over server owner access to mailboxesis given. The upgrader for Virtualmin Pro wasimproved. A module configuration option was addedto deny access to domains matching certain names. More control over which features are created onrestored domains is given. Template options areprovided to change the template used by fail. Homepage: Tar/GZ: Changelog: RPM case: Debian case: Purchase: Mailing enumerate archive: © procure 2007. Inc.. All Rights Reserved. About • • • • • • • • • • • • • •

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