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---+!! Notes about Installation and Configuration of a CREAM Computing Element using Torque (WORK IN PROGRESS) * *These notes are provided by site admins on a best effort base as a contribution to the IGI communities and MUST not be considered as a subsitute of the [[http://wiki.italiangrid.it/twiki/bin/view/IGIRelease/IgiEmi][Official IGI documentation]].* * This document is addressed to site administrators responsible for middleware installation and configuration. * The goal of this page is to provide some hints and examples on how to install and configure an IGI *CREAM CE* service based on EMI middleware, in *no cluster mode*, with *TORQUE* as batch system on the same host %TOC% ---++ References 1. [[http://www.italiangrid.it/][About IGI - Italian Grid infrastructure]] 1. [[http://wiki.italiangrid.it/twiki/bin/view/IGIRelease/WebHome][About IGI Release]] 1. [[http://wiki.italiangrid.it/twiki/bin/view/IGIRelease/IgiEmi][IGI Official Installation and Configuration guide]] 1. [[http://wiki.italiangrid.it/twiki/bin/view/CREAM/SystemAdministratorGuideForEMI1][EMI CREAM System Administrator Guide]] 1. [[https://wiki.egi.eu/wiki/Tools/Manuals/SiteProblemsFollowUp][Troubleshooting Guide for Operational Errors on EGI Sites]] 1. [[https://wiki.egi.eu/wiki/Tools/Manuals/AdministrationFaq][Grid Administration FAQs page]] 1. [[http://www.eu-emi.eu/products/-/asset_publisher/z2MT/content/cream-1][CREAM v.1.13]] 1. [[http://www.eu-emi.eu/products/-/asset_publisher/z2MT/content/cream-torque-module][CREAM TORQUE module v. 1.0.0-1]] ---++ Service installation %TWISTY{ mode="div" showlink=" *O.S. and Repos* " hidelink=" *O.S. and Repos* " remember="off" firststart="hide" showimgright="%ICONURLPATH{toggleopen}%" hideimgright="%ICONURLPATH{toggleclose}%" }% ---++++ O.S. and Repos * Starts from a fresh installation of Scientific Linux 5.x (x86_64). <verbatim> # cat /etc/redhat-release Scientific Linux SL release 5.7 (Boron) </verbatim> * Install the additional repositories: EPEL, Certification Authority, UMD <verbatim> # yum install yum-priorities yum-protectbase # cd /etc/yum.repos.d/ # rpm -ivh http://mirror.switch.ch/ftp/mirror/epel//5/x86_64/epel-release-5-4.noarch.rpm # wget http://repo-pd.italiangrid.it/mrepo/repos/egi-trustanchors.repo # rpm -ivh http://repo-pd.italiangrid.it/mrepo/EMI/1/sl5/x86_64/updates/emi-release-1.0.1-1.sl5.noarch.rpm # wget http://repo-pd.italiangrid.it/mrepo/repos/igi/sl5/x86_64/igi-emi.repo </verbatim> * Be sure that SELINUX is disabled (or permissive). Details on how to disable SELINUX are [[http://fedoraproject.org/wiki/SELinux/setenforce][here]]: <verbatim> # getenforce Disabled </verbatim> * Check the repos list (sl-*.repo are the repos of the O.S. and they should be present by default). <verbatim> # ls /etc/yum.repos.d/ egi-trustanchors.repo emi1-third-party.repo emi1-base.repo emi1-updates.repo igi-emi.repo epel.repo epel-testing.repo sl-contrib.repo sl-fastbugs.repo sl-security.repo sl-testing.repo sl-debuginfo.repo sl.repo sl-srpms.repo </verbatim> %ENDTWISTY% %TWISTY{ mode="div" showlink=" *yum install* " hidelink=" *yum install* " remember="off" firststart="hide" showimgright="%ICONURLPATH{toggleopen}%" hideimgright="%ICONURLPATH{toggleclose}%" }% <verbatim> # yum clean all Loaded plugins: downloadonly, kernel-module, priorities, protect-packages, protectbase, security, verify, versionlock Cleaning up Everything </verbatim> <verbatim> # yum install ca-policy-egi-core # yum install xml-commons-apis # yum install emi-cream-ce # yum install emi-torque-server emi-torque-utils # yum install glite-dgas-common glite-dgas-hlr-clients glite-dgas-hlr-sensors glite-dgas-hlr-sensors-producers yaim-dgas </verbatim> see [[YumCream][here]] for details %ENDTWISTY% ---++ Service configuration You have to copy the configuration files in another path, for example root, and set them properly (see later): <verbatim> # cp -r /opt/glite/yaim/examples/siteinfo/* . </verbatim> Create the vo.d directory for the VO configuration file (you can decide if keep the VO information in the site.def or putting them in the vo.d directory) <verbatim> # mkdir vo.d </verbatim> %TWISTY{ mode="div" showlink=" *site-info.def* " hidelink=" *site-info.def* " remember="off" firststart="hide" showimgright="%ICONURLPATH{toggleopen}%" hideimgright="%ICONURLPATH{toggleclose}%" }% SUGGESTION: use the same [[SiteDefCreamWN][site-info.def]] for CREAM and WNs %ENDTWISTY% ---++ Revisions | *Date* | *Comment* | | 2012-01-16 | First draft | -- Main.AlessandroPaolini - 2012-01-16
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Topic revision: r3 - 2012-01-17
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AlessandroPaolini
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