I have had the opportunity to perform a few VMware Capacity Planner assessments over the years and I have been, more the most part, pretty happy with the process and the results of the reports. The assessment is really pretty straight forward. We had physical servers to the project, making sure we have proper permissions to perform all the tasks and then let the process run over an extended period of time. For the most part, this way of sampling over an extended time frame will give you a very good idea what can be virtualized and the number of hosts that will be needed.
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Whether you are building a new or adding to an existing virtual or cloud environment on a shoestring budget, whether for work or for home use, there is quite a bit to consider before you purchase anything and it all boils down to your requirements which will dictate the technology you need for your virtual environment. In addition, this is a perfect time to address any deficiencies in your environment to not only address capacity issues, requirements, and security. Along with those considerations, planning the environment for the next three to five years can help shape the overall design. In fact that design, will be based on the answers from a growing list of questions.
Cloud Computing ...
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In the past, virtualization architects and administrators were told the best way forward is to buy as much fast memory as they could afford as well as standardize on one set of boxes with as many CPUs as they dare use. With vRAM Pool licensing this type of open-ended RAM architecture will change as now I have to consider vRAM pools when I architect new cloud and virtual environments. So let’s look at this from existing virtual environments and then onto new virtual and cloud environments. How much a change will this be to how I architect things today, and how much of a change is there to my existing virtual environments? Is it a better decision to stay at vSphere 4? Or to switch hypervisors entirely?
Cloud Computing ...
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Existing VMware offerings competed in the Resource and Availability Management space prior to the acquisition of the Ionix assets, and the acquisition has done nothing to change the fact that vendors in this space face strong competition from VMware (or certainly will do so once Hyperic is integrated and ships as a VMware product). Infrastructure Performance Management is the key category that IT Operations needs to focus upon to understand the performance of their virtual environment, and the acquisitions do not change the positions of Akorri, CA/NetQos, Virtual Instruments and Xangati in this space. Adding ADM to VMware‚Äôs assets in the APM space adds a significant capability, but at the end of the day does not yet put VMware in the position to be able to provide an APM solution across physical and potentially multiple virtual environments as can AppDynamics, BlueStripe, Coradiant, New Relic and OPNET.
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Citrix EdgeSight for Load Testing is an automated load and performance testing solution for Citrix Presentation Server environments. As of XenApp 5.0 Feature Pack 1, the Load Testing service is no longer a separate licensed product and is now a free component in XenApp.