Difference: SystemAdministratorGuideForEMI2 (21 vs. 22)

Revision 222012-11-03 - MassimoSgaravatto

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META TOPICPARENT name="SystemAdministratorDocumentation"

System Administrator Guide for CREAM for EMI-2 release

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  The following deployment models are possible for a CREAM-CE:
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  • CREAM-CE can be configured without worrying about the glite-CLUSTER node. This can be useful for small sites who don't want to worry about cluster/subcluster configurations because they have a very simple setup. In this case CREAM-CE will publish a single cluster/subcluster. This is called no cluster mode. This is done as described below by defining the yaim setting CREAMCE_CLUSTER_MODE=no (or by no defining at all that variable).
  • CREAM-CE can work on cluster mode using the glite-CLUSTER node type. This is done as described below by defining the yaim setting CREAMCE_CLUSTER_MODE=yes. The CREAM-CE can be in the same host or in a different host wrt the glite-CLUSTER node.
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  • CREAM-CE can be configured without worrying about the glite-CLUSTER node. This can be useful for small sites who don't want to worry about cluster/subcluster configurations because they have a very simple setup. In this case CREAM-CE will publish a single cluster/subcluster. This is called no cluster mode. This is done as described below by defining the yaim setting CREAM_CLUSTER_MODE=no (or by no defining at all that variable).
  • CREAM-CE can work on cluster mode using the glite-CLUSTER node type. This is done as described below by defining the yaim setting CREAM_CLUSTER_MODE=yes. The CREAM-CE can be in the same host or in a different host wrt the glite-CLUSTER node.
  More information about glite-CLUSTER can be found at https://twiki.cern.ch/twiki/bin/view/LCG/CLUSTER and in this note.
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  Set your siteinfo.def file, which is the input file used by yaim. Documentation about yaim variables relevant for CREAM CE is available at https://twiki.cern.ch/twiki/bin/view/LCG/Site-info_configuration_variables#cream_CE.
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Be sure that CREAMCE_CLUSTER_MODE is set to no (or not set at all, since no is the default value).
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Be sure that CREAM_CLUSTER_MODE is set to no (or not set at all, since no is the default value).
 
0.0.0.0.1 Run yaim
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  • <queue-name>: identifier that corresponds to the queue in upper case. Example: dteam -> DTEAM
  • <voview-name>: identifier that corresponds to the VOView id in upper case. '/' and '=' should also be transformed into '_'. Example: /dteam/Role=admin -> DTEAM_ROLE_ADMIN
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Be sure that CREAMCE_CLUSTER_MODE is set to yes
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Be sure that CREAM_CLUSTER_MODE is set to yes
 
0.0.0.0.1 Run yaim
 
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