The growing need for digital libraries to manage large amounts of data requires storage infrastructure that libraries can deploy quickly and economically. Cloud computing is a new model that allows the provision of information technology (IT) resources on demand, lowering management complexity. This paper introduces a file-storage service that is implemented on a private/hybrid cloud-computing environment and is based on open-source software. The authors evaluated performance and resource consumption using several levels of data availability and fault tolerance. This service can be taken as a reference guide for IT staff wanting to build a modest cloud storage infrastructure.
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