1. US ATLAS Tier 1 Facility Rich Baker Brookhaven National Laboratory Review of U.S. LHC Software and Computing Projects Fermi National Laboratory November 27-30, 2001

2. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 2 Tier 1 Status, Fall 2000  Small but Growing User Community  CPU Dominated Facility (FY ’00 Purchase)  Monte Carlo Production Use  Many Facility Components Shared with RCF  Plans for FY ‘01:  Milestone: Tier 1 Storage Prototype – September, 2001  Purchase and Deploy ATLAS HW for Storage Systems  Address Scalability for Data Challenges  Begin Staffing for Data Challenges  Reduce RCF Dependence

3. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 3

4. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 4 Progress in FY ’01  Supplemental Funding in August 2001  Milestone: Tier 1 Storage Prototype – September 2001  Goal: Purchase and Deploy ATLAS HW for Storage  HPSS: Dedicated Service Established October 2001  Still Use RCF “Core” Services  AFS: /afs/usatlas Cell Commissioned November 2001  NFS: Deferred until June 2002  Staffing Delayed – November 2001 Hire  Technology Evaluation in Progress

5. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 5 Progress in FY ’01 (2)  Goal: Address Scalability for Data Challenges  LAN Upgrade: Cisco 6500 Series Switch – Sufficient for DC2 Requirements  All Storage Systems are Expandable  Processor Farm also Expandable  No Infrastructure Limitations Foreseen

6. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 6 Progress in FY ’01 (3)  Goal: Begin Staffing for Data Challenges  Funding Constraints Limit Progress in Staffing  Support for Data Challenges will be Stressed Tier 1 Facility Staffing Levels * Includes 0.5 FTE PPDG Effort for 2002 and 2003

7. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 7 Recent Staffing and Near Term Plan  Dantong Yu: Network, Grid, Monitoring - April, 2001  0.5 FTE PPDG Funding 2002 – 2004  Jason Smith: Software Projects, Grid - July, 2001  Significant Improvement in User Support  John McCarthy: Solaris, Disk Storage - November, 2001  Will Support Disk Technology Evaluation Effort  Projected Hires for FY ’03:  Linux Support  Network  Mass Storage

8. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 8 Progress in FY ’01 (4)  Goal: Reduce RCF Dependence  LAN is (mostly) Isolated  Storage Systems Increasingly Separated from RCF  Most Utility Services now Independent

9. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 9

10. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 10 New Cisco Switch

11. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 11 Intel/Linux Farm

12. 29 November, 2001 Rich Baker US ATLAS Computing Facilities 12 Tier 1 Status, Fall 2001  More than 100 Registered Users and Growing  (Still) CPU Dominated Facility  Monte Carlo Production Use Still Dominates  Facility Hardware Configured for Expandability  Plans for FY ‘02:  Complete Deployment of Storage System Prototypes  Encourage Transition to Distributed Analysis Environment  Post DC1 GriPhyN Goal: Serve All ESD for GRID Users  Evaluate ATLAS World Wide Computing Model  Develop Tools for Distributed Monitoring and Network Support  Next Major Milestones: Data Challenge 2 in FY ‘03