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In this deliverable of WP4, D4.3 “Implementation Notes for the Storage and Data Access Infrastructure”, we describe the implementation of each software component and tool that was specified in deliverable D4.2:
In the storage infrastructure, resilience is mainly addressed by replication mechanisms in the file system. The system’s resilience will be stressed by the stress-load and fault injection tools, while its health is monitored by the monitoring tools. In addition, the system’s resilience level will be evaluated by the HPC and DBMS applications. To achieve the objectives of WP4, the storage and data access infrastructure proposed by ExaNeSt is built upon the following main components: (i) the distributed file system BeeGFS, (ii) Linux data access technologies, (iii) KVM based virtualisation, and (iv) storage system monitoring and administration tools. Moreover, we will use the state-of-the-art HPC applications and analytical databases to guide the design of the envisioned infrastructure and to evaluate and showcase the result.