EJFAT Group Meeting Sep. 1, 2022

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The meeting time is 11:00am.

Connection Info:

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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
  • Status:
    • Using ESnet FPGA f/w build 28 April
      • Specs
      • Jumbo Frames
      • arp, ping, ICMP filtering
      • Port entropy
    • IPV6 neighbor discovery
    • LB F/W Installation Manual - with PCI buffer allocation assurance steps
    • Script based LB Control Plane
    • In ESnet Legal Review
      • Support C libraries for LB Host Control Plane
      • ESnet smartnic open-source GitHub repo - in legal review
      • ESnet private, forkable Jlab P4 and simulations GitHub repo - in legal review
      • FPGA LB data generation capability
    • ERSAP feed end bottleneck needs investigation; Timmer/Gyurjyan investigating
    • EJFAT VLAN Open for Business:
      • Hosts running Ubuntu 20.04
      • 1 Gbs i/f are: ejfat-1, ejfat-2, ejfat-3, ejfat-3, ejfat-5, ejfat-6, ejfat-fs
      • 100 Gbs i/f are: ejfat-1-daq, ejfat-2-daq, ejfat-3-daq, ejfat-3-daq, ejfat-5-daq, ejfat-6-daq, ejfat-fs-daq
      • LBs: 172.19.22.241-247
    • Spare EJFAT equip loaners:
      • (4) DAQ dev machines indra-s[1-3] 129.57.29/109.23[0-2]
        • alkaid: 24 Xeon Gold 3.4 GHz cores, 100Gbs
        • indra-s1: 24 Xeon Gold 3.0 GHz cores, 100Gbs
        • indra-s2: 32 Xeon Gold 3.2 GHz cores, 100Gbs
        • indra-s3: 32 Xeon Gold 2.3 GHz cores, 100Gbs, 750GB ram disk
      • (4) DAQ Farm machines dafarm6[1-4] currently on 129.57.29.17[1-4] - each 32 Xeon 2.0Ghz cores - 1 Gbs NIC + (4) 10Gbs Spare NICs
      • (4) Unbuilt DAQ Farm machines - each 32 Xeon 2.0Ghz cores - 1 Gbs NIC + (4) 10Gbs Spare NICs
    • PR408549 (7) 100Gbs NICs - Installed in Compute Center / EJFAT / EJFAT VLAN
    • PR408870 PR408938 (2) 100Gbs Arista switches, transceivers, cables, etc - ETA 1 July 5 October
    • FPGA LB Throughput - max sustained 90Gbs with s/w data generation
  • Next Steps:
  • Back Burner / Downstream:
    • Hall-B FT calorimeter and hodoscope streaming readout test
      • May be able to use Abbott's indra-s1 setup
      • May be able to use new VTP f/w with Hall-B VTP's
      • CODA 3.10 + ERSAP for new VTP f/w
      • CODA 2.0 (non-streaming) for old VTP f/w
      • Diagram
      • Hall-B to start taking data June 8
      • Hall B VTPs on .167. subnet
    • HOSS
      • parallelize writing of raw data files
      • distribute raw data across multiple compute nodes for calibration skims
      • 1 Gbs at hi-luminosity
      • Hall-D comms with DAQ 109 subnet require network customization; (EJFAT subnet)
      • Hall-D EJFAT use case
      • Hall-D EJFAT Network Diagram
    • IPV6 testing
  • AOT
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