How would one realistically go about testing their backup? Do you need a bunch of empty drives?

Have you tried clearing your browser’s cache (if the browser allows it you can just clear the cache for your lemmy instance)
That seemed to solve the issue on my end.

I’ve had this issue before.

Have you tried clearing your browser’s cache (in Chrome you can specifically clear the cache of one site) That seemed to solve the issue for me.

All my devices get named after cities. I try to make it somewhat relevant to the purpose of the machine.
Usually things related to the device (e.g. network shares) get named after neighbourhoods in the respective cities.

• Main PC: SAN-FRANCISCO,
• File server: SARAJEVO,
  • Shares: VRATNIK, BISTRIK, SEDRENIK, HRASTOVI,
• Work laptop: SEATTLE,
• Phone: BARCELONA,
• Media box: CANNES.

My boyfriend names all of his devices after planetary bodies, much like OP.
Thing related to the devices are named after the moons of the respective planet.

• Main PC: SATURN,
  • Drives: ATLAS, PROMETHEUS, TITAN, HYPERION, JANUS,
• File server: JUPITER,
  • Shares: GANYMEDE,
• Phone: PLUTO,
• Laptop: CHARON.

(He just realised that last one is inconsistent, and is renaming it to MERCURY)