Difference between revisions of "EJFAT Group Meeting May. 5, 2022"

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**** CODA 3.10 + ERSAP for new VTP f/w
 
**** CODA 3.10 + ERSAP for new VTP f/w
 
**** CODA 2.0 for old VTP f/w
 
**** CODA 2.0 for old VTP f/w
 +
**** [https://docs.google.com/presentation/d/1m3rFm-1GymYv8zGimlAjL1NmWtXVfyIQdGzhx_j_BKE/edit?usp=sharing Diagram]
 
*** [https://www.epj-conferences.org/articles/epjconf/abs/2021/05/epjconf_chep2021_04005/epjconf_chep2021_04005.html HOSS Hall-D EJFAT  use case]
 
*** [https://www.epj-conferences.org/articles/epjconf/abs/2021/05/epjconf_chep2021_04005/epjconf_chep2021_04005.html HOSS Hall-D EJFAT  use case]
 
**** parallelize writing of raw data files
 
**** parallelize writing of raw data files

Revision as of 13:23, 5 May 2022

The meeting time is 11:00am.

Connection Info:

You can connect using ZoomGov Video conferencing (ID: 161 012 5238). (Click "Expand" to the right for details -->): 

Meeting URL
 https://jlab-org.zoomgov.com/j/1610125238?pwd=QnEvcjV6VFFndWZsQW15SmJKU0RJZz09&from=addon

Meeting ID
161 012 5238

Passcode
503371

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Agenda:

  • Previous meeting
  • Situation:
    • Rec'd new f/w build 28 April
      • Specs
      • Restores Jumbo Frames
      • arp, ping - working
      • Port entropy field - Passed Test for data_id stream horizontal reassembly with 10 streams
    • Using script based LB Control Plane
    • ERSAP feed end bottleneck needs investigation; Timmer's blaster may provide relief
    • EJFAT subnet VLAN 937 172.19.22.0/24
    • EJFAT equip inventory:
      • Loaners:
        • (2) switches: ejfat-sw, daq-cc-f109-sw-1
        • (3) DAQ dev machines indra-s[1-3]
        • (4) DAQ Farm machines dafarm61 dafarm62 dafarm63 dafarm64 currently on 129.57.29.0/24 subnet w/ additional i/f available for EJFAT subnet
        • (17) Hall-D machines - gluon120-36
        • 10Gbs NICs
      • On Order:
        • Compute Equip.- ETA 1 June - sans 100Gbs NICs (ETA 1 July)
        • Networking Equip. - ETA 1 July 5 October
  • Pending:
    • Support C libraries for LB Host Control Plane - immenent
    • ESnet smartnic open-source GitHub repo (May)
    • ESnet private, forkable Jlab P4 and simulations GitHub repo (May)
  • To Do:
    • Near Term:
      • Hall-B FT calorimeter and hodoscope streaming readout test - Pending OK from Sergey B.
        • May be able to use Abbott's indra-s1 setup
        • May be able to use new VTP f/w with Hall-B VTP's - (Ben Raydo)
        • CODA 3.10 + ERSAP for new VTP f/w
        • CODA 2.0 for old VTP f/w
        • Diagram
      • HOSS Hall-D EJFAT use case
        • parallelize writing of raw data files
        • distribute raw data across multiple compute nodes for calibration skims
        • 1 Gbs at hi-luminosity
        • Control Plane
          • Will interact with SLURM
          • Python based (?)
          • Control Plane daemon for compute host (?)
          • Demonstrate CP based flexibility/elasticity
        • Hall-D comms with DAQ 109 subnet require network customization; DAQ 29 subnet available
        • Slides
        • Netwok Diagram
    • Downstream:
  • AOT

Minutes:

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