Edg and AliEn in Prague Dagmar Adamova

EDG and AliEn in Prague

• Dagmar Adamova

• INP Rez near Prague

Institutions participating in these Grid activities

• Inside the HEP community

• Institute of Physics (FZU) -> Division of Elementary Particle Physics

• Institute of Nuclear Physics in Rez near Prague (INP)

• Charles University

• Outside the HEP community

• The CESNET association - the Czech NREN operator and developer : EDG WP1 , WP6

• Suprecomputer centers in Prague (Czech Technical University), Brno ( Masaryk University ) and in Plzen ( West Bohemia University) joined within the project MetaCenter : EDG WP6

The people involved from FZU and INP

• Milos Lokajicek, Division of Elementary Particle Physics at FZU: deputy of Czech Republic in the EDG WP6 project & in the Grid Deployment Board of LCG project

• Jiri Kuhn, FZU: installation of the EDG software

• Jan Svec, FZU: PC farm administrator

• Jiri Kosina, FZU: PC farm administrator

• Andrej Kugler, INP: MOSIX installations

• Dagmar Adamova, INP: testing edg, installing/testing alien

• . . . . .

• Jiri Chudoba, . . . . : alien, ALICE PPR production jobs

Institute of Physics AS CR (FZU)

• Contribution to HEP experiments in close collaboration with INP AS Rez , Charles University and Czech Technical University

• ATLAS, ALICE, H1, D0, Auger

• Computing equipment: 64 nodes PC farm, unix servers, Linux PCs

• Network -sitting on the 1 Gbps link connecting the FZU with the PASNET (Prague Academic and Scientific Network ) --> CESNET -> GEANT

• Ready to join the DataGrid testbed

The PC farm at the FZU (1)

• golias.farm.particle.cz

• 32 dual PIII 1.2GHz, 1 GB RAM, 18 GB SCSI HDD, Gbit Ethernet rack servers

• Mass storage disc array 1TB: HP server TC4100, 256MB RAM, 15x73 GB SCSI HDD

• 10 TB tape drive unit

• SW - RH7.2 on all nodes

• PBS batch queing system

The PC farm at the FZU (2)

• EDG v. 1.4.3 installed on the golias server

• UI, CE, SE, RC ...
• Submitting jobs into testbed OK
• Not yet recognized by the testbed, must issue dg-job-submit -r golias.farm.particle.cz job.jdl

• AliEn installed on golias by Jiri Chudoba without root privileges

• Version 1.3 of GENIUS installed by Roberto Barbera & Alberto Falzone in December last year, now v. 2.2.0 in the process of installation

• Quite a number of aliroot PPR production jobs run on the farm by Jiri

• Involved in the LCG (GDB) project

The PC farm at the FZU (3)

• The future plans:

• Continue the DataGrid and LCG activities

• Support for D0, ATLAS, ALICE computations

• Expand the mass storage disc space with another 6 TB

• StarLight project: optical connection to Amsterodam 2.5 Gb/s

• Arrange for a dedicated new room for the farm, where also two PC farms of the CESNET association will be installed

• Become a Tier-2 center for ATLAS (ALICE?)

The CESNET association

• Stands for Czech Educational and Scientific NETwork

• Czech NREN provider

• R&D on advanced network technologies and applications

• Internet2 international partner

• Participant of the GEANT project

• . . . . . .

• http://www.ces.net/about/

CESNET (2)

• Subcontractor in EDG project

• CESNET and FZU in Prague collaborate in the WP6 project of EDG

• CESNET CA provides PKI services for the Czech academic community (activity within WP6 project)

• Member of WP1 : development and implemention of the logging and bookkeeping services and of the services taking care of security requirements within the work management system

A PC farm provided by CESNET

• CESNET is providing their PC farm connected to the 1.2Gbps backbone in frame of the collaboration with FZU in WP6

• The configuration

• 16 + 1 dual processor nodes : PIII at 700 MHz, 1 GB memory, 9 GB HDD
• running Debian 2.2 Linux
• PBS batch system

• Farm is mostly used for D0 MC production

• Two nodes used for testing Grid software