EJFAT EPSCI Meeting Mar. 9, 2022

The meeting time is 2:00pm.

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Meeting URL
https://jlab-org.zoomgov.com/j/1612038101?pwd=Yk96QUcyT1NDVTRRUGNtOFVSSTdaUT09&from=addon

Meeting ID
161 203 8101

Passcode
378382

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Agenda:

• Previous meeting

• Situation:
  • Testing with End-to-end EJFAT ERSAP solution on FPGA LB
  • Jumbo Frames - indra-s2, fpga
  • Using script based LB Control Plane
  • Awaiting Compute Equip.- ETA 1 June
  • Awaiting Networking Equip. - ETA 1 July
  • Building Interim Test Environments:
    • 129.57.109.0/24 subnet (100Gbs)
      • indra-s[1,2,3], alkaid
      • Benchmarks for RT2022 (April 1)
    • 129.57.172.0/22 subnet (1Gbs ?) - old/idle Hall-D machines
• Pending:
  • Minor f/w change for 'garbage' packets
  • Support C libraries for LB Host Control Plane
  • ESnet smartnic open-source GitHub repo (April)
  • ESnet private, forkable Jlab P4 and simulations GitHub repo (April)
• To Do:
  • Near Term:
    • Test Plan
    • Performance Measures (RT2022 - April 01 submission):
    • Interim Test Environments:
      • 129.57.109.0/24 subnet (100Gbs)
        • connect FPGA port #2 to switch
        • connect Mellanox 100 Gbs NIC port #2 to switch
        • Jumbo Frames - indra-s[1,3], alkaid, 109 subnet switch?
      • 129.57.172.0/22 subnet (10Gbs)
        • ERSAP / EJFAT RE
    • Control Plane ARP poisoning (spoofing? proxy?)
      • arp -s ip_addr hw_addr netmask nm pub
      • sudo arp -i enp134s0 -s 129.57.109.254 00:aa:bb:cc:dd:ee netmask 255.255.255.0 pub
        • SIOCSARP: Invalid argument
      • sudo arp -i enp134s0 -s 129.57.109.254 00:aa:bb:cc:dd:ee pub
        • Address HWtype HWaddress Flags Mask Iface
        • 129.57.109.254 (incomplete) enp175s0f1
  • Downstream:
    • C-based control plane
      • Feedback from Compute hosts design
      • Control Plane Arp cache / network good citizen - P4 may do
    • Control Plane daemon for compute host
    • IPV6 testing
    • EJFAT Subnet
    • Hall-D EJFAT + SLURM use case
• Issues:
  • Abbott spare 8 nodes - OBE?
  • Hall-D spare 10Gbs NICs - OBE?
  • CentOS 7 install on interim boxes - OBE?
  • Use (2) spare/borrowed switches - OBE?
  • Diagram - OBE?
  • ejfat-sw-2022.jlab.org (129.57.29.83) - what is this guy?
  • Mellanox 40Gbs NIC in indra-s2
• AOT

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