Otra de las novedades de VMware vSphere es la posibilidad de unir nuestras instalaciones que tengamos con diferentes VMware vCenter, sean del mismo dominio o de diferente (siempre que tengamos los permisos correspondientes). Con VMware Linked Mode podremos gestionar varias instalaciones simultáneamente de vCenter, estén en la misma red o no, con esto conseguimos una gestión mucho más sencilla y cómoda.
If we intend to upgrade our VMware virtual platform, before upgrading to the VMware vSphere version we must run a utility that we have on the VMware vCenter Server CD, where we can check if our ESX hosts are compatible for a possible version upgrade (from VMware ESX 3.x to VMware ESX 4.0) thanks to VMware Agent Pre-Upgrade Check.
In this document we will see one of the VMware products that will help us virtualize our physical environment. VMware currently has two tools to measure what resources it will need when virtualizing a physical environment. The partner tool VMware Capacity Planner and this free and much more basic tool called VMware Guided Consolidation. It is a tool that has three processes: 1.- Search: Search for physical computers on the network to be analyzed. 2.- Analyzes: The selected physical equipment is analyzed and performance data is obtained for each computer. 3.- Consolidate servers: The data obtained is compared with the resources available in the virtual environment and virtualized in the virtual environment with recommendations on ESX hosts.
We start, for those of us who knew the Citrix WANScaler product which is a physical appliance, Citrix has now renamed this product to Citrix Branch Repeater. This product is available in its apliance version as until now and also in an apliance under a Microsoft Windows operating system 2003 o Windows 2008. This product and its family are traffic optimizers, This is, if we have several delegations and there is traffic between them, With these products we can save exaggerated times when sending files or any type of traffic, since Branch Repeater will optimize all traffic that passes through, based on package optimization, by packet frames, caches data structure, and when more packages with the same patterns pass through, that data will not be sent, since he has them searched.
Now that I've moved into the wonderful world of MAC, I'm in a position to explain a little about the VMware Fusion 3.0. This version of a few weeks of life, You can download it with a trial of 90 dias de la pagina web oficial de vmware. I will try to teach how to: · Download and install the app on your Mac. · Creating a WINDOWS Virtual Machine 7 (New acquisition of the Fusion). · Machine functionalities and visualization.
VMware Distributed Power Management is one of the real benefits of having a virtual environment for me, since with this, we will be able to reduce electricity consumption in our data center by a lot. VMware DPM Allows Unnecessary ESX Hosts to Be Powered Off, and when virtual machines are loaded and require more physical servers, these start automatically. All of this would be achieved in a DPM-enabled DRS cluster. The power consumption of a server is 15W when it is in Standby mode and depending on the server and its components it can vary approximately between 300W and 500W when it is booted. Starting from this, we can calculate how much we can save if we opt for VMware and set up a VMware DRS cluster + VMware DPM. Example:
Ideal for when we want to install VMware ESX 4 on a server that does not have a CD-ROM drive / DVD ROM, or directly if we want to save that money by putting a CD drive on the server. The intention of the document is to show how the installation can be carried out from a USB drive being an external hard drive or even a USB Pendrive. It is quite useful on certain occasions.
Another new feature of VMware vSphere 4 is the ability to use Fault Tolerance or FT. It is the ability to have real high availability, This is, with previous versions of VMware, we had DRS, that if a physical host went down, the virtual machines running on it, they run on another host, Foresaw a restart of the virtual machines. What VMware FT gives us is the possibility that virtual machines do not have to be restarted, and in case of ESX host crash with virtual machines, those that are protected with FT will continue to run on another host without loss of service.
One of the new features of VMware vSphere is the ability to give physical devices from hosts to virtual machines, This ensures that the driver of the virtual operating system, Directly access the physical device in question, The advantages of course is the increased performance of the device, as latencies are reduced. Latest version of VMware Tools required, it should also be taken into account that they can only be assigned 2 per virtual machine and 8 Per Host. And logically such a virtual machine will lose all the advantages of moving to other hosts, since we are assigning a physical device of a specific host. This is called VMDirectPath I/O.
One way to help us in the configuration of our virtual environment is to rely on one of the new features that VMware vSphere brings 4, the ability to use already configured templates to apply to all our ESX hosts, or for when we add a new VMware ESX host to our virtual community, we can apply the same configurations that one of our hosts already has.. We can create a template from scratch by configuring everything manually or get said template from one of our servers already configured perfectly (being able to edit the profile if necessary), and then apply it to the rest of the hosts that do not meet the requirements that we indicate. This is called the VMware Host Profile.
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Windows Server – VMware vSphere – Citrix Virtual Apps & Desktops – Centreon
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