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Typiaclly, the main objective of any IT disaster recovery assessment is to support a sustainable long term Disaster Recovery (DR) Data Center and Facilities strategy, both from IT and Business perspectives. In this paper, we provide an outline for carefully building an IT disaster recovery site for data centers running highly critical scientific applications. By presenting the EXPEC Computer Center...
In recent years, significant research has been conducted to boost the performance and increase the reliability of high performance computing (HPC) clusters. As the number of compute nodes in modern HPC clusters continues to grow, it is critical to design clusters with low power consumption and low failure rate. In particular, it is widely known that the internal disk drives of compute nodes (in the...
XML is becoming the de facto standard for exchanging and querying documents over the Web. Many XML query languages such as XQuery and XPath use label paths to traverse the irregularly structured XML data. Several labeling schemes have been proposed to identify the structural relationships in the tree, as well as to support the incremental updates at a low cost. In this paper, we conduct a comprehensive...
In recent years, we have witnessed a growing interest in high performance storage (HPS) using different SAN (Storage Area Network) solutions. Our growing needs for high performance storage solutions in Saudi Aramco, the world's largest oil producing company, has provided an opportunity to evaluate some of the top SAN providers available in the market as an alternative to typical storage solutions...
Servers' reintegration is a mode of file system operation that allows file servers to synchronize their data after network partitions. The reintegration design supports the main objectives of the disconnection-resilient file systems, which is to provide high available and reliable storage for files, and guarantees that file operations are executed in spite of concurrency and failures. In this paper,...
In this paper, we propose a novel mobile distributed file system design, which provides high available and reliable storage for files and guarantees that file operations are executed in spite of concurrency and failures. The design is intended to fit mobile clients' devices (e.g., PDAs and cell phones) that have limited storage space and cannot store all data they need, yet they require to access...
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