Computing - Grid

UU

Uppsala University, Department of Physics and Astronomy (UU)

Uppsala University was the first to be founded in Scandinavia in 1477. Several well-known scientists like von Linné, Celsius, Scheele, Ångström and Siegbahn have been affiliated to the University. The University has about 35 000 students who represent a visible community in the rather small (100 000 inhabitants) and old city of Uppsala. The Grid Computing activities at Uppsala University dates back to the creation of the NorduGrid project in 2001. This project was initiated by high energy physicists in the Nordic Countries who wanted to create a computin

ICM

Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw (ICM)

The Interdisciplinary Centre for Mathematical and Computational Modelling (ICM), a basic unit within the University of Warsaw, founded in 1993, is a research centre in computational sciences and a centre of high-performance e-infrastructure (www.icm.edu.pl). The research at ICM, of strongly interdisciplinary profile, encompasses computational and information sciences, with special focus on their mathematical foundations and applications in other areas of science, technology and e-economy. In Poland and internationally, ICM is widely recognized as a provider of wide-range e-infrastructure services, in particular those based on high-key knowledge infrastructure.

gLExec

gLExec

gLExec is a program that acts as a light-weight 'gatekeeper'. it takes Grid credentials as input, and takes the local site policy into account to authenticate and authorize the credentials. It will then switch to a new execution sandbox and execute the given command as the switched identity. gLExec is also capable of functioning as a light-weight control point which offers a binary yes/no result in logging-only mode.

StoRM

Storage Resource Manager (StoRM)

StoRM is a

  •     light
  •     scalable
  •     flexible
  •     high-performance
  •     file system independent
storage manager service (SRM) for generic disk based storage system, compliant with the standard SRM interface version 2.2. StoRM provides data management capabilities in a Grid environment to share, access and transfer data among heterogeneous and geographically distributed data centres.In particular, StoRM works on each

CAnL

Common Authentication Library (CAnL)

The EMI X.509 Common Authentication Library provides support for:

• off-line certificate validation,

• creation of SSL sockets (both server and client side),

• handling certificate DNs, also in text format,

• usage of proxy certificates: from proxy generation to validation.

The library provides implementation of an easy to use and flexible validation logic, which can take advantage of different trust material sources. Proxy certificates, which are commonly

GridSite

GridSite

GridSite was originally a web application developed for managing and formatting the content of the GridPP website. It has further grown into a set of extensions to the Apache web server and a toolkit for Grid credentials, GACL access control lists and HTTP(S) protocol operations. In its simplest application, GridSite uses X.509 certificates loaded into unmodified versions of web browsers like Internet Explorer, Netscape or Mozilla to authenticate users, and then grant

APEL

Accounting Processor for Event Logs (APEL)

APEL is an accounting tool that collects accounting data from sites participating in the EGI and WLCG infrastructures as well as from sites belonging to other Grid organisations that are collaborating with EGI, including OSG, NorduGrid and INFN. The accounting information is gathered from different sensors into to a central accounting database where it is processed to generate statistical summaries that are available through the EGI/WLCG Accounting Portal. Statistics are available for view in different detail by Users, VO Managers, Site Administrators and anonymous users according to wel

EGI Metrics Portal

EGI Metrics Portal

The metrics portal is the culmination of the work initiated by the MIG (Metrics Implementation Group) and transferred to the Operations Automation Team (OAT) in EGEE-III and now to EGI. The main objective is to have a set of metrics that can help to measure project performance and keep track of its evolution. The portal automatically collects all the required data and calculates these metrics displaying all of them in a single place. The portal agglutinates information from different sources like GOCDB, GGUS, GSTAT, etc. using various connectors depending on the

EGI Accounting Portal

EGI Accounting Portal

The EGI Accounting Portal is the global graphical front-end to EGI accounting data. Accounting statistics are available through this portal for the analysis of the different grid users, VO administrators an site administrators. This data is analysed to generate statistical summaries that are made available through a web interface.

  The accounting infrastructure is based on the collection, processing and presentation of CPU resource usage records that are derived from the log files on the Compute Element (CE) and local batch farm. The data are pro

FTS

File Transfer Service (FTS)

FTS is the service responsible for distributing the majority of LHC data across the WLCG infrastructure. It is a low level data movement service, responsible for moving sets of files from one site to another while allowing participating sites to control the network resource usage. This control includes the enforcement of site and usage policies like fair-share mechanisms on dedicated network links.

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