March 19-22, 20126OSG AHM Shared FS Support The problem The solution Use cms.dfs directive to eliminate duplicate hits Many tuning options available Lookup at redirector, limits, caching, etc See http://xrootd.org/doc/prod/cms_config.htm Redirector Data Server Client Shared FS open(x)stat(x)have(x) dCache GPFS HDFS Lustre etc
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