Dell PowerEdge EL Manual
Also see for PowerEdge M420: ManualCommand reference guideOwner's manualAdministrator's guideInformation update
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Contents
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Improving NFS Performance on HPC Clusters with Dell Fluid Cache for DAS5Executive SummaryMost High Performance Computing clusters use some form of a Network File System (NFS) based storagesolution for user data. Easy to configure and administer, free with virtually all Linux distributions, andwell-tested and reliable, NFS has many advantages. Use of nearline SAS drives for backend storageprovides large capacity and good performance at a reasonable cost, but with an inherent performancelimitation for random I/O patterns.This technical white paper describes how to improve I/O performance in such a NFS storage solutionwith the use of Dell Fluid Cache for DAS (DFC) technology. It describes the solution and presentscluster-level measured results for several I/O patterns. These results quantify the performanceimprovements possible with DFC, especially for random I/O patterns. This white paper also includes ahow-to recipe in the Appendix that provides step-by-step instructions on building the solution. |
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