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Computer scientists at LANL have developed what amounts to an “all-purpose” method to map directories and files to cloud-based object storage. The key advantage of this new method, known as MarFS, is that the legacy software sees its traditional mapping of data (i.e., the legacy software operates fully within its expected legacy look and feel), while the scalability, resiliency and efficiencies provided by cloud-type storage are unleashed “under the hood.” The acronym “MarFS” is a combination of the word mar (Spanish for “sea,” equivalent to the data lake) and File System. MarFS was written specifically to instrument the needs of high-performance and resilient data-storage mechanisms. For example, to meet resiliency needs, computer companies involved with cloud and “big data” markets have adopted technologies such as “Erasure Code” to provide resilient storage.