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Two xrootd setup are used for Fermi. The system-test xrootd consists of a single data server that provides access to some nfs and test data directories. The main Fermi xrootd cluster contains multiple PB of disk space and holds all of Fermi's data. It is used fro reading and writing files. There are three entry points to this cluster. The production redirector is used by users and production. The test redirector is used to test new xrootd versions and configuration. It runs on the same data servers as the production xrootd. A proxy server is also available that allows writing files from remote sides (e.g.: IN2P3) to SLAC.
| type | host | alias | subcluster | comment |
|---|---|---|---|---|
| system tests | fermilnx-v07 | glast-xrootd01 | ||
| redirector (production) | fermilnx-v02, fermilnx-v12 | glast-rdr | ||
| test redirector | fermilnx-v03, fermilnx-v06 | glast-test-rdr | fermilnx-v03, fermilnx-v06 | xrootd name: gltst, gltg (for subcluster) |
| proxy | fermilnx-v06 | glast-xrd-xfer |
For the Fermi servers see: NFS/GPFS and Xroot Disk Allocations
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