EOS (https://cern.ch/eos https://cern.ch/eos, https://github.com/cern-eos/eos https://github.com/cern-eos/eos) is probably a bit more complicated than other sol

EOS (https://cern.ch/eos https://cern.ch/eos, https://github.com/cern-eos/eos https://github.com/cern-eos/eos) is probably a bit more complicated than other solutions to setup and manage, but does allow to add/remove new disks and nodes serving data on the fly. This is essential to let us upgrade harware of the clusters serving experimental data with minimal to no downtime.