An Atlas Computing Facility at BNL by yurtgc548

VIEWS: 0 PAGES: 12

									   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
                 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

           Rich Baker     US ATLAS Computing Facilities   29 November, 2001   2
                                       US ATLAS Tier 1 Facility
                                              November 2000 Configuration


                                                      ~50 GBytes
                                                      JBOD Disk
Ÿ   XXX.USATLAS.BNL.GOV
Ÿ   E450 front line with SSH              E450                   SAN             200 GBytes
Ÿ   Objectivity Lock Server            (NFS Server)              Hub              RAID Disk




                          Dual Intel


    62 Intel/Linux                                                                    Backup
    Dual 700/450 MHz          .                                                       Server
                                                         US                                       HPSS
     256/512 MBytes                                                        RCF
       9/18 GBytes            .                         ATLAS
                                                        Switch
                                                                           LAN                   Archive
                                                                                                 Server
                                                                                                            9840
    100 Mbit Ethernet                                                                  AFS                 Tapes
    (3,200 SPECint95)         .                                                       Servers


                          Dual Intel
                                                                                       AFS
        Ÿ   LSF                                                                     ~10 GBytes
        Ÿ   AFS                                                                      RAID Disk
        Ÿ   Objectivity                  Intel/Linux                                US ATLAS
        Ÿ   Gnu etc.                     Web Server                                     AFS

                                        128 MBytes
                                                                        US ATLAS Equipment
                                         18 GBytes

                                                                        RCF Infrastructure



                 Rich Baker                      US ATLAS Computing Facilities                      29 November, 2001   3
                        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


           Rich Baker       US ATLAS Computing Facilities   29 November, 2001   4
               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




        Rich Baker   US ATLAS Computing Facilities   29 November, 2001   5
               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

                      2001 2002 2003
 Fall 2001 Projection    5    7   10
 Revised Projection    2.7 4.7 7.2
       * Includes 0.5 FTE PPDG Effort for 2002 and 2003

        Rich Baker       US ATLAS Computing Facilities    29 November, 2001   6
   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


           Rich Baker     US ATLAS Computing Facilities   29 November, 2001   7
               Progress in FY ’01 (4)
 Goal: Reduce RCF Dependence



 LAN is (mostly) Isolated

 Storage Systems Increasingly Separated from RCF

 Most Utility Services now Independent




        Rich Baker   US ATLAS Computing Facilities   29 November, 2001   8
                                     US ATLAS Tier 1 Facility
                                                    Oct / Nov 2001 Configuration

                                                                                                                   WAN
                                                    ~50 GBytes
                                                    JBOD Disk                               Backup
                                                                                            Server
Ÿ   XXX.USATLAS.BNL.GOV                                                  ~600 GBytes
Ÿ   Objectivity Lock Server             E450                             FibreChannel
                                     (NFS Server)
                                                                           RAID Disk

                                                                                                      HPSS
                                                                                           RCF
                                                                                                      CORE        RCF Tape
                                                                                           LAN
                        Dual Intel                           Gigabit Connections                      Server        Silo
                                                               to Data Servers
    62 Intel/Linux
    Dual 700/450 MHz         .                         Gigabit                                         US
                                                                                                      ATLAS        9840
     256/512 MBytes
       9/18 GBytes           .                         Capable
                                                      US ATLAS                                        HPSS
                                                                                                      Server
                                                                                                                   Tape
                                                                                                                   Drive
    100 Mbit Ethernet                                  Switch                            US ATLAS
    (3,200 SPECint95)        .                                                          AFS Servers


                        Dual Intel
                                                                                           AFS
      Ÿ   LSF
      Ÿ   AFS
      Ÿ   Objectivity                Web Servers                                      ~150 GBytes
      Ÿ   Gnu etc.                                                                     RAID Disk
                                          .
                                          .
                                          .
                                     NIS/DNS/DTS
                                        Servers                            US ATLAS Equipment
                                          .
                                          .
                                          .
                                        SSH                                RCF Infrastructure
                                      Gateways




                Rich Baker                       US ATLAS Computing Facilities                                 29 November, 2001   9
             New Cisco Switch




Rich Baker      US ATLAS Computing Facilities   29 November, 2001   10
             Intel/Linux Farm




Rich Baker     US ATLAS Computing Facilities   29 November, 2001   11
                 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

           Rich Baker    US ATLAS Computing Facilities     29 November, 2001   12

								
To top