CT/2001 1 NIKHEF

Status testbed @ NIKHEF Status testbed @ NIKHEF (NL)(NL)

DataGrid/Oxford/July 2001

2 NIKHEF

DutchGridDutchGrid• Participation of

• High-energy Physics• Earth observation• Computer Science

• Distributed at 12 locations

• Certificate Authorization at NIKHEF

• For more information: http://www.datagrid.nl

DataGrid/Oxford/July 2001

3 NIKHEF

NL Testbed sites for NL Testbed sites for DataGridDataGrid

• NIKHEF• A limited number of PC’s

• SARA computer centre• Cluster with Compaq PC’s

• University of Amsterdam (computer science)• A limited number of PC’s

DataGrid/Oxford/July 2001

4 NIKHEF

HEP farms @ NIKHEFHEP farms @ NIKHEF

• FNAL D0 (operational)• 50 dual-processor nodes @ NIKHEF• 5 dual-processor nodes @ Nijmegen University

• LHCb (in preparation)• 10 dual-processor nodes @ NIKHEF• 10 dual-processor nodes @ Free University Amsterdam

• ALICE (in preparation)• 10 processors @ NIKHEF• 10 processors @ Utrecht University

• Testbed or production ??