Ambiente virtualizado de pequeno porte para consolidação de servidores

Abstract

In a traditional IT infrastructure model there are several dedicated servers, each one providing a certain service. This infrastructure model causes several problems for the company, because with several physical servers the administration is more complex, the space occupied is bigger, the energy consumption is high among other problems, in addition the hardware resources are often underutilized. With virtualization many of these problems are solved, in a virtualized environment it is possible to quickly change the infrastructure by making use of logical components that do not depend on hardware, as well as allowing to adjust and distribute the hardware resources between the virtual machines, favoring the sharing of these resources. The purpose of this paper is to bring virtualization to the small business scenario, since most of the time we only hear about virtualization in large companies. Through the approval of a set of low cost hardware and using free virtualization tools, a small server consolidation environment was configured, in which servers with the most common services used in a small company were consolidated. With the environment configured, overload tests of the main hardware resources such as CPU, memory, disk access and network were carried out, and with this data were obtained to validate the implementation of this environment in a real small company scenario. The test results show that if the hardware resources are brought to an intense use condition, they can compromise the performance of the entire environment. However, simulated test situations may not happen in a real world scenario, and if they occur, even in large business environments, problems may arise. Therefore, configuring, monitoring, and correctly distributing hardware resources in a given environment will help to avoid compromising the performance of the virtualized environment.