Difference: SystemAdministratorGuideForEMI1 (55 vs. 56)

Revision 562011-11-08 - MassimoSgaravatto

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META TOPICPARENT name="SystemAdministratorDocumentation"

System Administrator Guide for CREAM for EMI-1 release

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0.0.0.1 Configure the siteinfo.def file

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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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Set your siteinfo.def file, which is the input file used by yaim.

Variables which are required in cluster mode are described below.

When the CREAM CE is configured in cluster mode it will stop publishing information about clusters and subclusters. That information should be published by the glite-CLUSTER node type instead. A specific set of yaim variables has been defined for configuring the information which is still required by the CREAM CE in cluster mode. The names of these variables follow this syntax:

  • In general, variables based on hostnames, queues or VOViews containing '.' and '_' # should be transformed into '-'
  • <host-name>: identifier that corresponds to the CE hostname in lower case. Example: ctb-generic-1.cern.ch -> ctb_generic_1_cern_ch
  • <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

These new variables are:

Variable Name Description Value type
CREAM_CLUSTER_MODE Defines if the CE should be configured in cluster mode. Default value is no (no cluster mode). It must be yes for cluster mode yes/no
CE_HOST_<host-name>_CE_TYPE CE type: should be 'cream' for cream CE string
CE_HOST_<host-name>_QUEUES Space separated list of the queue names configured in the CE. The old variable name (the one used in no cluster mode) was: QUEUES string
CE_HOST_<host-name>_QUEUE_<queue-name>_CE_AccessControlBaseRule Space separated list of FQANS and/or VO names which are allowed to access the queues configured in the CE. The old variable name (the one used in no cluster mode) was: _GROUP_ENABLE string
CE_HOST_<host-name>_CE_InfoJobManager The name of the job manager used by the gatekeeper. The old variable name (the one used in no cluster mode) was: JOB_MANAGER. Please, define: pbs, lsf, sge or condor string
CE_HOST_<host-name>_CLUSTER_UniqueID UniqueID of the cluster the CE belongs to. This will be obsoleted by QUEUE_<queue-name>_CLUSTER_UniqueID string
QUEUE_<queue-name>_CLUSTER_UniqueID UniqueID of the cluster the CE belongs to. This will obsolete CE_HOST_<host-name>_CLUSTER_UniqueID string  
CE_InfoApplicationDir Prefix of the experiment software directory in a site. The old variable name (the one used in no cluster mode) was: VO_SW_DIR. This parameter can be defined per CE, queue, site or voview. string
  Be sure that CREAMCE_CLUSTER_MODE is set to yes
 
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