Relays might delete your data at anytime. Especially if you are not paying for storage.
The amount of data will likely force all public/free ones to only host the past ~2 weeks worth of events.
If...
Indeed. All the more reason to host your own relay with all your data backed up.
Umbrel already offer an easy to spin up ‘app’ option to do this in a self hosted way.
https://apps.umbrel.com/app/nostr-relay
Umbrel already offer an easy to spin up ‘app’ option to do this in a self hosted way.
https://apps.umbrel.com/app/nostr-relay