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Five Reasons Why the Cloud is Ready for the Enterprise

Is your enterprise still dragging its anchor, not taking off in the cloud? Are you still saying that the cloud is fine for tiny startups, but not for large enterprises? Here are five good reasons why the cloud is ready … Read More

D-Wave quantum computer matches the tenth ranked supercomputer for speed

There have been years of controversy about whether the superconducting quantum annealing computers manufactured by D-Wave are a)s quantum computer; and b) fast enough for a) to matter. Now a test of the 512-qubit Vesuvius chip establishes at least that … Read More

Five Considerations For Migrating Cloud Workloads

The benefits of migrating workloads between different cloud providers or between private and public clouds can only actually be achieved with an understanding of the cloud business model and cloud workload management. … Read More

Five Reasons Why VMware Virtualization is Better than Microsoft Hyper-V

1.  Hyper-V is marketed as free but really isn’t. Yeah it’s $28 bucks but that’s on top of a Windows 2008 License paid in full.  This is nowhere near the realm of free, in fact if you take a straight … Read More

How to Test virtual machine storage I/O REAL performance

Doing speeds tests are always relative to the environment and hardware being used. This article cannot provide specific test result numbers to expect as every environment is unique and the total load for an array is different. To test your ESX host and … Read More

Enhanced Storage Features on 5.1

Enhanced Storage Features on 5.1 SESMATEnhanced Storage features introduced by 5.1 VMFS File Sharing Limits In previous versions of vSphere, the maximum number of hosts which could share a read-only file on a VMFS volume was 8. The primary use … Read More

Convert A Xen Virtual Machine To VMware – Step by Step

This article explains how you can convert a Xen guest to a VMware guest. The steps descibed here assume advanced VMware and Xen knowledge. Additional software requirements: qemu VMware Server 1.xx VMware Converter Knoppix LiveCD or the distribution’s first CD … Read More

14 Tips to Secure Your Virtual Machine Environment

Secure Your Virtual Machine Safeguarding your virtual server environment is vital, even though it doesn’t have the same issues as a physical environment. Here are a few tips to keep things running smoothly: Install only what you need on the … Read More

Configuring SNMP Traps for ESXi/ESX 3.5, 4.x, and 5.x

Details To generate virtual machine and environmental traps from ESXi/ESX 3.5, 4.x, and 5.x hosts, you must configure and enable the embedded SNMP agent. You cannot use the Net-SNMP-based agent to generate these traps, although it can receive GET transactions … Read More

Book Review: VMware vSphere 5 Building a Virtual Datacenter

The title of the book is VMware vSphere 5 Building a Virtual Datacenter by Eric Maillé and René-François Mennecier (Foreword by Chad Sakac and Technical Editor Tom Keegan).  This is a book which caught me off guard a little because … Read More

VMware vSphere 5.1 Delivers New Features for SMBs

Great effort has gone into the newly announced VMware vSphere 5.1, the foundation of the VMware vCloud Suite, to build out capabilities that help businesses of all sizes and varying IT resources and skill sets to get more out of … Read More

vSphere 5.1 New Storage Features

VMFS File Sharing Limits In previous versions of vSphere, the maximum number of hosts which could share a read-only file on a VMFS volume was 8. The primary use case for multiple hosts sharing read-only files is of course linked … Read More

Physical Memory Limits for Windows Releases

Physical Memory Limits: Windows 7 The following table specifies the limits on physical memory for Windows 7. Version Limit on X86 Limit on X64 Windows 7 Ultimate 4 GB 192 GB Windows 7 Enterprise 4 GB 192 GB Windows 7 Professional 4 GB 192 GB … Read More

Removing unwanted plug-ins from vCenter Server

Note: Removing unwanted plug-ins If you have vCenter Server in linked mode, perform the proceeding steps on the vCenter Server that was used to install= the plugin initially, then restart the vCenter Server services on linked vCenter Server. To remove … Read More

30 VMware vSphere Performance Tips

You most likely chose VMware’s vSphere as your virtualization solution due to it’s reputation as a solid and performant product; however, without proper attention and optimization you will not fully utilize the capabilities of the platform.  There’s a multitude of optimizations that … Read More

Working with Alarms and Email Alerts from vSphere – vCenter

As you may already know vCenter comes with a few default alarms such as ESX host connection state and usage alarms.These are useful but only are visible if you are logged into vCenter with VI Client however it can be … Read More

VMware shares data on bandwidth, sync times, and RPOs with vSphere Replication

Was very interesting that I have got some data to share with you that comes from usage of Site Recovery Manager with real systems and VMs.  I often get asked to provide generic guidance on vSphere Replication and usually answers … Read More

Microsoft releases a Windows Phone 7 Performance Best Practices

This presentation discusses the best practices for developing games on Windows Phone 7. From a performance point of view, writing managed code can sometimes feel abstracted from the hardware. Learn how .NET and XNA Game Studio put your application together … Read More

What Cloud Computing Really Means

Cloud Computing 1. SaaS – Software As A Service This type of cloud computing delivers a single application through the browser to thousands of customers using a multitenant architecture. On the customer side, it means no upfront investment in servers or … Read More

Wrong Side Of The IT Ecosystem

I find it ridiculous that people are blaming Apple for job creation in China as opposed to in the US. People are also debating how US might in-source some of these manufacturing jobs to compete with China who has sophisticated manufacturing abilities … Read More

Why 247Rack Is Recommended

Only 247Rack can give you most flexible and 100% customizable VMware Solution. We have given our customers the freedom to configure every single part as their choice. Our scalable cloud infrastructure will give you the opportunity to expand your hosting … Read More

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