MinIO Is Dead: Migrate to RustFS Without Losing Data
Anyone running MinIO Community Edition is now on an unmaintained black box. RustFS provides a drop-in replacement that reads the existing disk format, so a migration can be done with a directory copy and a config change, not a multi-hour network transfer.
MinIO's Community Edition entered maintenance mode in late 2025 and its repository was archived read-only by February 2026, leaving unpatched CVEs. RustFS emerges as the lowest-friction replacement because it reads the MinIO disk format directly. A full directory copy moves buckets, objects, and policies without a network hop, while the old directory stays as a rollback backup. The application side switches from the MinIO Java SDK to the AWS SDK v2, following the S3 protocol rather than any single vendor. The migration keeps the same endpoint, ports, and bucket names, so the only code change is a single service implementation class. Common pitfalls include a mandatory `chown` to UID 10001 for the non-root RustFS container, enabling path-style access for IP endpoints, and replacing old access keys that don't carry over with the data.
The migration's real value is not RustFS itself but the S3 protocol abstraction: swapping the backend becomes a configuration change, and standardizing on the AWS SDK decouples the client from any single vendor.
RustFS's disk-format compatibility turns what is normally a network-bound, hours-long data migration into a local disk copy, which is the single biggest factor reducing downtime and risk.
The `Permission denied` crash from UID mismatches is a near-certainty for anyone moving from MinIO's root-running image to RustFS's non-root model, and the fix is a single `chown` command that is easy to miss in planning.
MinIO's end-of-life surfaces a hidden coupling: the MinIO Java SDK masked path-style requirements that the AWS SDK exposes immediately, forcing teams to confront network addressing assumptions they never knew they had.