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GRIF Site Report

GRIF Site Report. Michel Jouvin LAL, Orsay jouvin@lal.in2p3.fr http://grif.fr March 17, 2010 Quattor Workshop, Thessaloniki. GRIF: The Numbers. 6 subsites, 40 SCDB clusters, 1000 machines Mainly grid machines LAL/LLR managing all Linux servers and desktops

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GRIF Site Report

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  1. GRIF Site Report • Michel Jouvin • LAL, Orsay • jouvin@lal.in2p3.fr • http://grif.fr • March 17, 2010 • Quattor Workshop, Thessaloniki

  2. GRIF: The Numbers • 6 subsites, 40 SCDB clusters, 1000 machines • Mainly grid machines • LAL/LLR managing all Linux servers and desktops • High level of sharing between subsites • Quattor server ugraded to SL5 machine • Administration possible only from SL5 machines (SVN 1.6) • “Deploy” phase handled by one server + AII on 1 subsite-specific server (DHCP+TFTP) • Main Quattor server is a dual Clovertown 2.33 Ghz (8 cores) • 1 master RPM server + squid in subsites • 10 Gb/s GRIF internal network • SPMA configured to use a proxy • Heavily relying on profile cloning for WNs • +15% compile time for 200 WNs • Full deploy: ~3-4 minutes LAL and GRIF Site Report

  3. Quattor Tools Used • QWG • SCDB ant + aii • checkdeps • Great help for developping new services • Quatview • not really in production • All development tools (rpmUpdates, updateComponents…) LAL and GRIF Site Report

  4. Recent Work/Experience • OS errata deployment • Done 4 times in the last 6 months • Able to deploy errata on the whole site in less than a week without shutting down the site • NagiosBox for Biomed • See presentation • Use of Git as a SVN client for SCDB • See SCDB update presentation • Significant time spent supporting other sites • Contribute to QWG enhancements: new use cases, fixes • GRIF is the main testbed for template developments • Nothing goes into QWG without being first in production at GRIF (when contributed by GRIF) • GRIF used to validate contributions from others LAL and GRIF Site Report

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