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Conference Paper

Accounting Facilities in the European Supercomputing Grid DEISA

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GES_paper105.pdf
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Citation

Reetz, J., Soddemann, T., Heupers, B., & Wolfrat, J. (2007). Accounting Facilities in the European Supercomputing Grid DEISA.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-B16C-E
Abstract
Account management and resource usage monitoring are essential services for production Grids. The scope of a production Grid infrastructure, the heterogeneity of resources and services, the typical community usage profiles, and the depth of integration of the resource providers regarding operational procedures and policies imply specific requirements for accounting facilities. We present the accounting facilities currently used in production in the Distributed European Infra-structure for the Supercomputing Applications (DEISA). DEISA is a consortium of leading national supercomputing centres currently deploying and operating a persistent, production quality, distributed su-percomputing environment with continental scope. The DEISA accounting facilities gather information from the site-local batch systems and the distributed DEISA user administration system, and generate XML usage records conforming to the OGF usage record specification which are then stored locally in a XML data base at each DEISA site. The distributed accounting information can be fetched by clients such as users, project supervisors, site accounting managers and DEISA supervisors. The information is made available by site-local WSRF-compliant accounting information services that allow for a fine-grained setting of access rights. Each authorized client gets a specific view on the accounting information according to one of the following roles: a) a site accounting manager imports usage records of related home-site users from all DEISA sites for longterm archiving, b) a project supervisor retrieves information to assess the resource usage by his project partners, c) a DEISA supervisor (e.g. someone overlooking the usage on behalf of the DEISA executive committee) gets a report on the global usage of DEISA resources, and d) the user who can retrieve all the accounting information related to his own jobs. The privacy and integrity of the data provided and transferred from the accounting information service running at each site is guaranteed using X.509 certificates for mutual authentication and secure communication channels.