The ATLAS Distributed Data Management project: Past and Future

被引：17

作者：

Garonne, Vincent ^{[1
]}

Stewart, Graeme A. ^{[1
]}

Lassnig, Mario ^{[1
]}

Molfetas, Angelos ^{[1
]}

Barisits, Martin ^{[1
]}

Beermann, Thomas ^{[1
]}

Nairz, Armin ^{[1
]}

Goossens, Luc ^{[1
]}

Megino, Fernando Barreiro ^{[1
]}

Serfon, Cedric

Oleynik, Danila

Petrosyan, Artem

机构：

[1] CERN, CH-1211 Geneva 23, Switzerland

来源：

INTERNATIONAL CONFERENCE ON COMPUTING IN HIGH ENERGY AND NUCLEAR PHYSICS 2012 (CHEP2012), PTS 1-6 | 2012年 / 396卷

关键词：

D O I：

10.1088/1742-6596/396/3/032045

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

ATLAS has recorded more than 8 petabyte(PB) of RAW data since the LHC started running at the end of 2009. Many more derived data products and complimentary simulation data have also been produced by the collaboration and, in total, 90PB are currently stored in the Worldwide LHC Computing Grid by ATLAS. All these data are managed by the ATLAS Distributed Data Management system, called Don Quijote 2 (DQ2). DQ2 has evolved rapidly to help ATLAS Computing operations manage these large quantities of data across the many grid sites at which ATLAS runs, and to help ATLAS physicists get access to these data. In this paper, we describe new and improved DQ2 services, and the experience of data management operation in ATLAS computing, showing how these services enable the management of PB scale computing operations. We also present the concepts of the new version of the ATLAS Distributed Data Management (DDM) system, Rucio.

引用

页数：14

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