coordinator online · v · uptime

cairn

Content-addressable, end-to-end encrypted backup coordinator. Multi-host fan-out, S3 / rclone / localfs repositories, snapshot-pinning, hardened-mirror tier, audit-chain.

runtime
version
commit
built
tls
format
repo schema v1
topology
backends
S3 · rclone · localfs
cipher
AES-256-GCM · ChaCha20-Poly1305
chunker
FastCDC · BLAKE3-HMAC ids
format
repository schema v1
audit
Ed25519-chained, daily roll
tiers
hot · cold · hardened mirror
enroll a host
Mint a single-use token in the operator console, then run on the target host:
$curl -fsSL https://<coord>/enroll/install?token=<TOKEN> | sudo bash
Open operator console →
cairn coordinator · pkg:go · single-binary · distroless build …