Pluggable Storage Backends: local, nfs, s3, raw
The [storage] backend seam swaps blob storage (local, nfs, s3, raw) behind one Store interface, keeping CAS metadata local.
S3
External S3 Client Replication Downgrade: When aws-cli Can't Fan Out
External S3 clients like aws-cli don’t send momo headers — the server detects this and downgrades client-side replication modes to server-side alternatives, ensuring replication never silently drops.