Run a small Garage cluster that resembles your intended deployment. Put a mix of tiny files and larger objects through the S3 API, list them, rotate a key, and compare checksums on retrieval. Test an interrupted client upload and a server outage.
Because storage is the source of truth for many applications, plan monitoring, replication, backups, and disaster recovery before migrating data. A low hardware footprint is attractive only if operators can confidently detect and repair data risks.