keep it simple
define a mount point
make it the same for linux and macOS
repeat with every participant workstation
link your internet storage to the mount point
make a projekt
clone the projekt to your local shared storage (nas/san)
backup the local shared storage to usb disks / tape / dvd
(to sell back to clients or keep on shelf)
backup the local shared storage to S3 deep archive
(charge your clients for 2 years or more)
employ an openclip workflow
cache all openclip versions to your local media cache / framestore
wait for an internet outage
switch to your nearline storage
(your flame cache will not notice)
carry on
wait for internet activation
push changes from local shared storage
switch to your internet storage
move on