Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks Infrastructure and OpsCentre Currently 6 sites and OpsCentre DIAS, NUIG, TCD, UCC, UCD, QUB More sites in 2005 (MiniGateWays) VOs: CosmoGrid, MarineGrid, TestGrid, Webcom-G, EGEE/LCG National Services and helpdesk at TCD

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks MiniGateway Rollout Donated by DELL Ireland Dell GB Ram SCSI (2 x 160 GB) Extending Grid access to additional third level institutions Rollout started Jan05 Sites chosen by competitive survey

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks MiniGateway Architecture Based on Xen Linux Kernel Six virtual machines on one physical computer Minimises (hardware) cost associated with joining the Grid Out performs UserMode-Linux by a factor of 10

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks HEAnet & HEC Gateways Catch-all Gateway proposed to function as access point for Government institutions (GSI, Met Eireann, Marine Institute,....) HEC Gateway to provide access to the recently announced High Performance Computing Centre CPUs. will connect to DIAS and NUIG CosmoGrid clusters

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks EGEE/LCG2 Status csTCDie connected to LCG-2 since Oct04

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks EGEE/LCG2 direction This is not without its problems csTCDie on LCG2 and Grid-Ireland, no Multi VO support in R-GMA, but expected later. Grid-Ireland has helped enhance software Routing Queue, Heterogeneity - Fedora, IRIX, AIX Info-Provider problems, accounting(?) Transition to Quattor/SL3 Still yet an unknown, test on TestGrid

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks Users & Use Mostly MPI application developers MPI installed on sites using INFN Howto 110 (x2) CPU goes live at UCD - Feb 7th 2 GB RAM per processor Intel EM64T, 3.2 GHz CPU - RH EL 3.0 Routing Queue connection to Grid- Ireland

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks A J-band extinction map showing the Chameleon dark clouds extracted from our map created using the Grid-enabled program - G Murphy, D Froebrich, J Walsh (2005). Users & Use

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks Network Topology TCD Grid-Ireland Gateway (x3) Grid-Ireland National Servers (x16) Shared Cluster (16 CPUs) Shared Cluster (16 CPUs) SoloVO Cluster (16 CPUs) Internet TCD Router Dept. Router Firewall Switch RAID 1 RAID 2 RAID 3 TestGrid (x36) CrossGrid Testbed (32 CPUs) Firewall csTCDie Site

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks TestGrid Multifaceted Testbed Validating latest software release Testing experimental middleware Porting to non-reference platforms Implements multiple sites Replicates setup of some sites Special router - layer II filtering

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks LCG officially only supports RH7.3 and Scientific Linux Porting has involved many man-months effort Ports for Fedora, IRIX, AIX Now working on Mac OSX Localised Autobuild system - rebuilds nightly Local software - SANTA-G Porting & Autobuild

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks Grid is ideologically heterogeneous Means for reliably measuring Grid Performance Tests Grid resources at different levels - WN level, Cluster level, … Collaboration with University of Cyprus 11separate tests

Grid-Ireland:The National Computational Grid for Ireland Grid use in Ireland Infrastructure and OpsCentre EGEE/LCG2 direction MiniGateway Rollout MiniGateway Architecture HEAnet & HEC Gateways EGEE/LCG2 Status Dissemination Network Topology Users & UseTestGrid Porting & Autobuild Heterogeneity & Benchmarks Dissemination Workshop for grid sysadmins: September 20 th -22 nd 2-day introduction to LCG2 1-day technical discussions First Users course (Dec 9th & 10th) User Project provided template for writing Grid- enabled application (non MPI). Second Users course (Jan 21st) focus on quick start introduction to Grid