dorsal/arxiv
View SchemaAliEn - EDG Interoperability in ALICE
| Authors | S. Bagnasco, R. Barbera, P. Buncic, F. Carminati, P. Cerello, P. Saiz |
|---|---|
| Categories | |
| ArXiv ID | physics/0306103 |
| URL | https://arxiv.org/abs/physics/0306103 |
Abstract
AliEn (ALICE Environment) is a GRID-like system for large scale job submission and distributed data management developed and used in the context of ALICE, the CERN LHC heavy-ion experiment. With the aim of exploiting upcoming Grid resources to run AliEn-managed jobs and store the produced data, the problem of AliEn-EDG interoperability was addressed and an in-terface was designed. One or more EDG (European Data Grid) User Interface machines run the AliEn software suite (Cluster Monitor, Storage Element and Computing Element), and act as interface nodes between the systems. An EDG Resource Broker is seen by the AliEn server as a single Computing Element, while the EDG storage is seen by AliEn as a single, large Storage Element; files produced in EDG sites are registered in both the EDG Replica Catalogue and in the AliEn Data Catalogue, thus ensuring accessibility from both worlds. In fact, both registrations are required: the AliEn one is used for the data management, the EDG one to guarantee the integrity and access to EDG produced data. A prototype interface has been successfully deployed using the ALICE AliEn Server and the EDG and DataTAG Testbeds.
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"abstract": "AliEn (ALICE Environment) is a GRID-like system for large scale job\nsubmission and distributed data management developed and used in the context of\nALICE, the CERN LHC heavy-ion experiment. With the aim of exploiting upcoming\nGrid resources to run AliEn-managed jobs and store the produced data, the\nproblem of AliEn-EDG interoperability was addressed and an in-terface was\ndesigned. One or more EDG (European Data Grid) User Interface machines run the\nAliEn software suite (Cluster Monitor, Storage Element and Computing Element),\nand act as interface nodes between the systems. An EDG Resource Broker is seen\nby the AliEn server as a single Computing Element, while the EDG storage is\nseen by AliEn as a single, large Storage Element; files produced in EDG sites\nare registered in both the EDG Replica Catalogue and in the AliEn Data\nCatalogue, thus ensuring accessibility from both worlds. In fact, both\nregistrations are required: the AliEn one is used for the data management, the\nEDG one to guarantee the integrity and access to EDG produced data. A prototype\ninterface has been successfully deployed using the ALICE AliEn Server and the\nEDG and DataTAG Testbeds.",
"arxiv_id": "physics/0306103",
"authors": [
"S. Bagnasco",
"R. Barbera",
"P. Buncic",
"F. Carminati",
"P. Cerello",
"P. Saiz"
],
"categories": [
"physics.comp-ph"
],
"title": "AliEn - EDG Interoperability in ALICE",
"url": "https://arxiv.org/abs/physics/0306103"
},
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