Starting with RELEASE.2022-06-02T02-11-04Z, MinIO implements a zero-parity erasure coded backend for single-node single-drive deployments. This feature allows access to erasure coding dependent features without the requirement of multiple drives.
https://docs.min.io/minio/baremetal/installation/deploy-minio-single-node-single-drive.html
To use minio with Pre-Existing Data start it with format.json