Difference: CreamGlue2 (5 vs. 6)

Revision 62011-07-26 - MassimoSgaravatto

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META TOPICPARENT name="CreamInformationService"

Glue2 support in CREAM

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0.1 CREAM CE in no cluster mode

Changed:
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We assume that a CREAM CE is configured in cluster mode if that is the only CREAM CE available in the site. I.e. sites with multiple CREAM CEs (submitting to the same batch system) should always have a cluster node and therefore be configured in cluster mode.
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We assume that a CREAM CE is configured in cluster mode if that is the only CREAM CE available in the site. I.e. sites with multiple CREAM CEs (submitting to the same batch system) should always have a cluster node and therefore be configured in cluster mode.
  If a CREAM CE is configured in no cluster mode, all the Glue2 object classes are published by the resource BDII running on the CREAM CE.
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  If a CREAM CE is configured in cluster mode:
Changed:
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  • The resource BDII running on the CREAM CE publishes just the Endpoint and the AccessPolicy objectclasses
  • All the other objectclasses are published by the resource BDII running on the gLite-CLUSTER node
  • The ServiceId is the the one specified by the yaim variable COMPUTING_SERVICE_ID which is such scenario is mandatory. This variable must have the same value in all the relevant nodes (in the cluster node and in all the CREAM CEs)
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  • The resource BDII running on the CREAM CE publishes just the following objectclasses:
    • ComputingEndpoint
    • AccessPolicy
  • All the other objectclasses are published by the resource BDII running on the gLite-CLUSTER node:
    • ComputingService
    • ComputingManager

    • ComputingShare
    • MappingPolicy
    • ExecutionEnvironment
    • Benchmark
    • ToStorageService
    • ApplicationEnvironment
    • EndPoint for RTEPublihser
      • "Child" of ComputingService
 
Added:
>
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  • The ServiceId is the the one specified by the yaim variable COMPUTING_SERVICE_ID which is such scenario is mandatory. This variable must have the same value in all the relevant nodes (in the cluster node and in all the CREAM CEs)
 

1 Relevant RFCs

 
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