Writable WN gateways:

• The change is being deployed this week
  • LHCb jobs from 2018 and 2020 gens are already writing their output data to ECHO via root (i.e. local gateways)
    • Mostly successful, there is a problem with one WN (new sandbox has not been deployed there yet)
  • Tomorrow extesion to 2019 and 2021 gens is planned.