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For the Fermi servers see: NFS/GPFS and Xroot Disk Allocations

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Fermi XRootD Cluster Setup

The production xrootd cluster consists of a set of Solaris servers (wainNNN), Linux servers with a local files system (fermi-xrdNNN) and xrootd servers that access a GPFS file system. The current setup for the production xrootd use only one of the gpfs servers connecting directly to the redirector. As shown in the figure each fermi-gpfs server has access to the whole GPFS space so that all see the same files. In this case if all fermi-gpfs servers would connected to the redirector files on the GPFS file system would show up as multiple copies. 

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