EJFAT EPSCI Meeting Sep. 11, 2024

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The meeting time is 2:30pm.

Connection Info:


Agenda:

  1. Previous meeting
  2. Announcements:
    1. ACAT 2024 Paper - In Review
    2. ACAT 2022 Paper - accepted
    3. Scicomp Test Routers installation 09/18/2024
  3. Status
  4. Topics
    1. Weekly scheduled cluster maintenance
    2. IRI Test Development:
      1. LB version = ESnet Stable version
      2. Data Source:
        1. JLAB, CLAS12, pre-triggered events - 1 channel
      3. Data Sink:
        1. Perlmutter - 40 nodes
        2. ORNL/ESnet/JLab IRI Testbed / Defiant - 4 nodes allocated
        3. JLab - 7 nodes available
        4. ERSAP
      4. Test Plans - JLab, ESnet, NERSC:
      5. Prometheus Dashboards
      6. Analyzing data from Aug 29, 2024
    3. JLab FEG/SRO
      1. will use interim UDP solution for event sync
      2. Special Events Issue
        1. Completely Out-of-band
        2. Three LBs
        3. Pass-through / Out-of-band
        4. In-band - new Req for LB F/W
        5. Pass-through / 2nd LBs
        6. Delay Line Technique
        7. Extra Meta Data in Each Event
    4. E2SAR
      1. e2sar/ibaldin:0.1.0b1 available - MVP completed
      2. ejfat-5 reserved for E2SAR
    5. IB
    6. ejfat-3 - ready for FPGA cluster LB install
    7. SC poster submitted - demo in works
    8. SSD drives on ejfat-fs - 20TB used of 28TB - mount for EJFAT farm - pending
    9. Ram Disks: 1TB Total Mem on ejfat-fs, 0.5 TB others - pending
    10. Lustre storage for EJFAT - not available for Testbed or Ubuntu 20.04
    11. Experiment Halls - beam returns late January/February 2025
    12. Ubuntu 20.04 LTS - support ends in 2025
    13. LAGing U280 to switch on ejfat-1 - pending
  5. Resources:
    1. HPDF
    2. EJFAT API
    3. EJFAT Status
  6. AOT