The Open Science Grid status and architecture

Abstract

Abstract. The Open Science Grid (OSG) provides a distributed facility where the Consortium members provide guaranteed and opportunistic access to shared computing and storage resources. The OSG project[1] is funded by the National Science Foundation and the Department of Energy Scientific Discovery through Advanced Computing program. The OSG project provides specific activities for the operation and evolution of the common infrastructure. The US ATLAS and US CMS collaborations contribute to and depend on OSG as the US infrastructure contributing to the World Wide LHC Computing Grid on which the LHC experiments distribute and analyze their data. Other stakeholders include the STAR RHIC experiment, the Laser Interferometer Gravitational-Wave Observatory (LIGO), the Dark Energy Survey (DES) and several Fermilab Tevatron experiments-CDF, D0, MiniBoone etc. The OSG implementation architecture brings a pragmatic approach to enabling vertically integrated community specific distributed systems over a common horizontal set of shared resources and services. More information can be found at the OSG web site: www.opensciencegrid.org.

A Trichordal Temporal Approach to Digital Coordination: The Sociomaterial Mangling of the CERN Grid

“…These results were then combined with those from ATLAS to achieve discovery and Peter Higgs (jointly with François Englert) was awarded the Nobel prize physics in October 8, 2013. In 2001, the WLCG was established to build this resource (Pearce and Venters 2012) and gained funding by collaborating closely with other sciences and by integrating with national science grids (Eerola et al 2003;Pordes et al 2008).…”

Virtual Organization Clusters: Self-provisioned clouds on the grid

“…Grid systems, such as the Open Science Grid (OSG) [1], enable different entities to share computational resources using a flexible and secure framework. These resources enable users to run computational jobs that exceed the capabilities of the systems available at any single location.…”

Autonomic Clouds on the Grid

“…Since the overhead of virtualization would primarily affect job service time in a Grid system with sufficient physical resources to handle all jobs concurrently, a chief concern was the amount of latency that might be added by the overlay scheduling system, which necessitated the use of an overlay network. In order to ensure that this overlay overhead would not have unexpected detrimental impacts on compute-bound jobs running within the virtual machines, tests were conducted using an Open Science Grid (OSG) [30] site configured to support virtualization. The OSG Grid site was configured with 16 dual-core compute nodes, each with an Intel Xeon 3070 CPU and 4 binary gigabytes (GiB) of Random Access Memory (RAM), with the Kernel-based Virtual Machine (KVM) [31] hypervisor running within a 64-bit installation of CentOS 5.2.…”