The activity of testing new storage solution is of great importance in order to provide both features and performance evaluation and give few hints to small-medium sites that are interested in exploiting new storage technologies. In particular this work will cover storage solutions that provide both standard POSIX storage access and cloud technologies; we focused our attention and our test on HDFS, Ceph, and GlusterFS.
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Donvito et al. (2014) studied this question.