AMS TIM, CERN Apr 12, 2005

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AMS TIM, CERN Apr 12, 2005
AMS Computing and Ground Centers Status Report
Alexei Klimentov Alexei.Klimentov_at_cern.ch
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Outline

• AMS Computing and Ground Centers
• AMS_at_CERN - Regional Centers Data Transfer
  (J.Gong/M.Boschini)
• Offline and Analysis Software (J.Alcaraz)

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AMS-02 Ground Support Systems

• Payload Operations Control Center (POCC) at CERN
  (first 2-3 months in Houston)
• CERN Bldg.892 wing A
• control room, usual source of commands
• receives Health Status (HS), monitoring and
  science data in real-time
• receives NASA video
• voice communication with NASA flight operations
• Backup Control Station at JSC (TBD)
• Monitor Station in MIT
• backup of control room
• receives Health Status (HS) and monitoring
  data in real-time
• voice communication with NASA flight
  operations
• Science Operations Center (SOC) at CERN (first
  2-3 months in Houston)
• CERN Bldg.892 wing A
• receives the complete copy of ALL data
• data processing and science analysis
• data archiving and distribution to Universities
  and Laboratories
• Ground Support Computers (GSC) at Marshall Space
  Flight Center
• receives data from NASA -gt buffer -gt retransmit
  to Science Center
• Regional Centers
  analysis facilities to support geographically
  close Universities

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AMS-02 Computing

• Computing requirements, architecture and cost
  estimation http//ams.cern.ch/AMS/Reports/AMSnote-
  2002_01_02.pdf
• SW and technology evaluation
• Cluster solution
• AMS / Elonex joint project
• SW evaluation (V.Choutko)
• Distributed data analysis issue
• ROOT and AMS Root packages for bulk data analysis
  in cluster and single node environment
• (D.Grandi, N.Sevilla, P.Zuccon)

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AMS-02 Computing. SOC. 1/3

• SOC prototype is running
• Analysis, processing and data store facilities
• DB and Web services
• Data transfer station (INFN Milano)
• MC production and Analysis SW
• Users support
• CERN started Bldg.892 basement refurbishment
• SOC prototype will be moved from even partition
  to odd partition in May/June
• Manpower issue will be discussed LR-24 months
  (draft is ready)
• Bulk of computers and disks purchasing LR 12
  months
• LR-24 months SOC prototype (cluster or
  traditional solution)

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AMS-02 Computing. SOC. 2/3

• SW (working prototypes are in production)
• Data transmission (M.Boschin, A.Eline, J.Gong,
  A.Klimentov,H.Wu)
• Data processing framework (V.Choumilov,
  V.Choutko, A.Klimentov)
• Analysis
  (J.Alcaraz, V,Choutko)
• DataBase
  (A.Klimentov)
• Cluster Solution for AMS-02 SOC
• HW evaluation
• AMS/Elonex joint project (6 months May- Nov 2005)
• V.Choutko, A.Eline, A.Klimentov, SEU
• SW evaluation
• System SW - done (V.Choutko)
• Application SW for AMS distributed data analysis
  in progress
• (J.Alcaraz,V.Choutko,D.Grandi, N.Sevilla,
  P.Zuccon)

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AMS-02 Computing. SOC. 3/3

• MC Production (period 2005A and 2005B)
• Some minor problems with SW releases
• Stable run for more than a year
• Aachen request for AMS-01 MC production
  (background study for positron selection from
  converted bremsstrahlung gammas) - fulfilled
• 18 AMS Universities and labs (more coming)
• Manpower (O.Kounina volunteered to work as MC
  production manager)

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Year 2005 MC Production

• MC Production started Jan 15, 2004
• Central MC Database
• Distributed MC Production
• Central MC storage and archiving
• Distributed access (under test)

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MC Production Statistics
URL pcamss0.cern.ch/mm.html
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AMS-02 Computing. GSC_at_MSFC.

• Architecture - defined
• Operations issues agreed with MSFC personnel
• NASA HOSC/POIC AMS GSC tbd, manpower tbd
• Data transmission (MSFC-MIT, MSFC-AMS_at_CERN)
• Tests conducted in 2003
• More tests beg 2006 (NASA and HEP network
  upgraded)
• SW is ready and in production for AMS MC data
  transmission

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AMS-02 Computing. POCC.

• Architecture defined
• Software
• Commanding (TReK ?)
• Online monitoring
• Data validation and online processing prototype
  in production (V.Choutko)
• Voice communication with NASA (tested, G.Carosi)

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Outline

• AMS Computing and Ground Centers
• AMS_at_CERN - Regional Centers Data Transfer
  (J.Gong/M.Boschini)
• Offline and Analysis Software (J.Alcaraz)