Difference: NotesAboutInstallationAndConfigurationOfCREAMAndTORQUE (9 vs. 10)

Revision 102012-01-25 - AlessandroPaolini

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Notes about Installation and Configuration of a CREAM Computing Element using Torque as batch system and ARGUS as authorization method

  • 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 Official IGI documentation.
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  1. About IGI Release
  2. IGI Official Installation and Configuration guide
  3. EMI CREAM System Administrator Guide
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  1. Troubleshooting Guide for Operational Errors on EGI Sites
  2. Grid Administration FAQs page
 
  1. Yaim Guide
  2. site-info.def yaim variables
  3. CREAM yaim variables
  4. TORQUE Yaim variables
  5. CREAM v.1.13
  6. CREAM TORQUE module v. 1.0.0-1
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  1. Troubleshooting Guide for Operational Errors on EGI Sites
  2. Grid Administration FAQs page
 

Service installation

%TWISTY{
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O.S. and Repos

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O.S. and Repos

 
  • Starts from a fresh installation of Scientific Linux 5.x (x86_64).
# cat /etc/redhat-release 
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yum install

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yum install

 
# yum clean all
Loaded plugins: downloadonly, kernel-module, priorities, protect-packages, protectbase, security, verify, versionlock
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vo.d directory

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vo.d directory

 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)
# mkdir vo.d
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users and groups configuration

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users and groups configuration

 here an example on how to define pool accounts (ig-users.conf) and groups (ig-groups.conf) for several VOs </>
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site-info.def

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site-info.def

 SUGGESTION: use the same site-info.def for CREAM and WNs: for this reason in this example file there are yaim variable used by CREAM, TORQUE or emi-WN.

It is also included the settings of some VOs

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services/glite-creamce

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services/glite-creamce

 
#
# YAIM creamCE specific variables
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services/dgas_sensors

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services/dgas_sensors

 
#
# YAIM DGAS Sensors specific variables
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host certificate

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host certificate

 # ll /etc/grid-security/host* -rw-r--r-- 1 root root 1440 Oct 18 09:31 /etc/grid-security/hostcert.pem -r-------- 1 root root 887 Oct 18 09:31 /etc/grid-security/hostkey.pem
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munge configuration

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munge configuration

 IMPORTANT: The updated EPEL5 build of torque-2.5.7-1 as compared to previous versions enables munge as an inter node authentication method.

  • verify that munge is correctly installed:
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maui settings

 In order to reserve a job slot for test jobs, you need to apply some settings in the maui configuration (/var/spool/maui/maui.cfg)

Suppose you have enabled the test VOs (ops, dteam and infngrid) on the "cert" queue and that you have 8 job slots available. Add the following lines in the maui.cfg files:

 
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