Software-defined storage enabled by commodity hardware and software has the potential to be less costly than dedicated hardware. However, we also need to look at the disadvantages. Software-defined storage (SDS), which realizes the functions of a storage array with software, is gaining popularity. SDS runs on commodity hardware and utilizes HDDs and SSDs for high performance and fully functional storage. Therefore, cost reduction is expected. The target of SDS is wide from small companies to large companies. But is SDS the best for all companies? This paper compares and evaluates the strengths and weaknesses…
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