Extension of the DIRAC workload management system to allow use of distributed windows resources

Extension of the DIRAC workload management system to allow use of distributed windows resources
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扩展 DIRAC 工作负载管理系统以允许使用分布式 Windows 资源

DOI:
10.1088/1742-6596/119/6/062035
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发表时间:
2008
期刊:
Conference Series
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--
通讯作者:
Li Y
Li Y
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--
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作者:
Li Y

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LHCb实验的DIRAC数据管理系统允许协调使用全球分布的计算能力和数据存储。该系统最初部署在Linux平台上,在那里它已被非常成功地用于协作范围的生产活动和单用户物理研究。为了增加LHCb可用的资源,DIRAC已经扩展,以便它也允许使用Microsoft Windows机器。由于DIRAC主要是用Python编写的,因此大部分代码库已经是独立于平台的,但必须在基于证书的身份验证和安全文件传输等领域找到Windows特定的解决方案。NetGridFTP已被使用。此外,还编写了新的代码,以处理作业在Windows下运行和监视的方式,从而在可用的计算机集上实现与Microsoft Windows Compute Cluster Server 2003的交互。其结果是一个允许用户透明地访问Linux和Windows分布式资源的系统。本文详细介绍了DIRAC的Windows特定开发;概述了在一些站点部署该系统所获得的经验,并报告了运行LHCb数据处理应用程序所取得的性能。
The DIRAC Workload Management System of the LHCb experiment allows coordinated use of globally distributed computing power and data storage. The system was initially deployed on the Linux platforms, where it has been used very successfully both for collaboration-wide production activities and for single-user physics studies. To increase the resources available to LHCb, DIRAC has been extended so that it also allows use of Microsoft Windows machines. As DIRAC is mostly written in Python, a large part of the code base was already platform independent, but Windows-specific solutions have had to be found in areas such as certificate-based authentication and secure file transfers, where. NetGridFTP has been used. In addition, new code has been written to deal with the way that jobs are run and monitored under Windows, enabling interaction with Microsoft Windows Compute Cluster Server 2003 on sets of machines were this is available. The result is a system that allows users transparent access to Linux and Windows distributed resources. This paper gives details of the Windows-specific developments for DIRAC; outlines the experience gained in deploying the system at a number of sites, and reports on the performance achieved running the LHCb data-processing applications.
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