Você sabe o que é e como funciona um data center?

Um data center é uma estrutura que tem papel importantíssimo para que diversos serviços atuais sejam bem utilizados e para garantir a continuidade de funcionamento de sistemas que processam dados diversos. Hoje em dia, em que quase tudo está informatizado, esse tipo de ambiente é relevante para inúmeros setores da economia, desde o controle de energia elétrica e telecomunicações na esfera pública, até as iniciativas das grandes corporações. Você sabe o que isso quer dizer exatamente e como tais equipamentos funcionam?

Um local para processar e armazenar dados

Basicamente, se trata de um local destinado a concentrar os equipamentos que uma empresa ou organização utilizam para o processamento e armazenamento de dados, o que, dependendo do tamanho do empreendimento, pode acolher milhares de servidores, outros bancos de dados informatizados e componentes auxiliares, como storages e ativos de rede (como, por exemplo, switches e roteadores). Nesse sentido, a tradução para o português como Centro de Processamento de Dados (CPD).

Para que serve um data center

Esses equipamentos são montados com o objetivo de processar de maneira adequada grande quantidade de informações, ininterrupta e confiavelmente, para que a organização que usufrui desse sistema não tenha desvios ou queda na operacionalidade de seus serviços. Por conta disso, comumente esses centros de processamento de dados são alojados em compartimentos ou salões com extrema proteção, alguns dos quais trazem sistema contra incêndio, têm pisos elevados contra inundações e oferecem um fechamento contra acesso indevido de pessoal inabilitado ou não especializado. Quase sempre, os equipamentos ficam dispostos sobre racks ou armários metálicos, com monitoramento de temperatura, de forma a conservar os itens resfriados e no ambiente ótimo para funcionar.

Seus artifícios básicos

Para que o data center apresente uma estrutura apropriada de funcionamento, ele deve, antes de mais nada, possuir uma infraestrutura de rede. Isso significa que ele precisa interagir com o tráfego IP (Internet Protocol) e outros protocolos de comunicação que permitam endereçar e encaminhar os pacotes de dados que usam a rede mundial de computadores. O projeto de servidores precisa atender bem a demanda da organização e carece da avaliação de pessoal especializado em TI (Tecnologia da Informação) para chegar a um número rigoroso de quantos servidores e outros aparelhos serão necessários para esta zona.

É muito válido também que ele seja alimentado por um sistema que evite oscilações ou a falta de energia elétrica, o qual poderá ser composto por no-breaks, geradores de potência e mesmo uma subestação elétrica, dependendo do porte da organização. A conveniência da ocasião pedirá que, além dos sistemas contra incêndio e de equilíbrio de temperatura, esse setor da organização traga ainda um mecanismo de segurança física, com câmaras de segurança e sistema de identificação para acesso (e, conforme a situação, presença de serviço armado de segurança).

Além dessa estrutura de software e hardware em ambiente controlado, o data center precisa adotar várias medidas para resguardo dos dados, para o caso de, mesmo com tanta proteção, ocorrer um problema. Por isso, recursos como backup automático, servidores virtuais, entre outras soluções tecnológicas são bem-vindas para a boa funcionalidade do sistema.

Fonte: Blog da Locaweb

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