Memory Errors In Operating Systems – Problem and Solutions Accompanying Paper for the Seminar Presentation
نویسنده
چکیده
Reliability of is of growing concern in computational systems [6]. Studies have shown [7, 3, 5] that memory errors are a major source of hardware errors, comparable to CPU and HDD errors [5], and therefore a major source of system reliability problems. In this paper I present a short introduction to the causes and prevalence of main memory errors and showcase a selection of common approaches to counteract such memory errors. Furthermore I describe three recent approaches, namely Online Memory Assessment with Linux RAMpage, Dynamically Replicated Memory for PCM, as well as an analysis of the inherent error–resilience of the HPC–OS ”Kitten” and Cray Linux Environment.
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