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UTA Tier 3 Configuration for Xrootd and Central Storage Solutions

This document outlines the configuration details for the UTA Tier 3 Xrootd system, including components such as central storage, compute nodes, and redirectors. Key features include server specifications with R710 and R410 systems, RAM capabilities, and disk storage configurations. It covers storage management with MD1000 configurations, cache paths, and GridFTP proxy details, ensuring effective job handling and data storage in a distributed environment. This guide is essential for understanding the UTA Tier 3 infrastructure and optimizing system performance.

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UTA Tier 3 Configuration for Xrootd and Central Storage Solutions

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  1. Patrick McGuigan mcguigan@uta.edu UTA Tier3 Xrootd Configuration UTA-Tier3-FAX

  2. UTA-Tier3-FAX Tier3 Components

  3. Central Storage Details • Server R710 • 32GB RAM • PERC 6E SAS controller • 160GB local storage • Storage • 2 x MD1000 • 15 x 2TB disk per shelf • 2 x 26TB volumes • /xrd_cache_1 • /xrd_cache_2 UTA-Tier3-FAX

  4. UTA-Tier3-FAX Central Storage Xrootd Config oss.cache public /xrd_cache* xa oss.localroot /state/partition1/atlas_root all.export /atlas r/w stage purge mig nocheck nodread all.export /atlas/local r/w

  5. Compute Node Detail • R410 • 2 x Intel E5520 • 24GB RAM • 500GB system disk • 2 TB SATA disk • /local/xrootd/a/wn/disk • 128 GB SSD • /local/xrootd/a/wn/ssd UTA-Tier3-FAX

  6. UTA-Tier3-FAX Compute Node Xrootd Config oss.localroot /local/xrootd/a all.export /wn

  7. Redirector Detail • SC1425 • 2 x Xeon 3.2GHZ • 4GB RAM • 160 GB system disk UTA-Tier3-FAX

  8. UTA-Tier3-FAX Redirector Xrootd Config all.export /atlas r/w stage purge nomig nocheck nodread all.export /atlas/local r/w all.export /wn r/w

  9. GridFTP/Proxy Detail • SC1425 • 2 x Xeon 3.2GHZ • 4GB RAM • 160 GB system disk • GridFTP via old OSG • Proxy via RPM UTA-Tier3-FAX

  10. UTA-Tier3-FAX Proxy Xrootd Config all.export /atlas r/o ofs.osslib /usr/lib64/libXrdPss.so pss.origin redirector-1-18.local:1094 all.role server all.manager glrd.usatlas.org:1095

  11. UTA-Tier3-FAX XrootdFS Treat as two namespaces /atlas /wn Each is mounted separately /xrootdfs/atlas /xrootdfs/wn Compute Nodes/Login mount this as read only gw01 mounts this as read/write

  12. UTA-Tier3-FAX Questions?

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