US ATLAS Tier 1 Facility

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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

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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

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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

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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

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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
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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

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Progress in FY 01 (4)

• Goal Reduce RCF Dependence
• LAN is (mostly) Isolated
• Storage Systems Increasingly Separated from RCF
• Most Utility Services now Independent

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New Cisco Switch
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Intel/Linux Farm
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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