# planck — 20-node Raspberry Pi 4 home lab

20× Raspberry Pi 4 Model B (8GB), each booting a 240GB USB SSD. Named
`planck001`–`planck020`. Network: Ubiquiti UDM Pro, 2 switches, one router.
Synology NAS on the same LAN for shared storage.

## Docs

- `docs/INVENTORY.md` — hardware inventory (regenerate: `./scripts/inventory.sh > docs/INVENTORY.md`)
- `docs/MACS.txt` — eth0 MAC addresses (for DHCP reservations)
- `docs/PLAN.md` — the rebuild plan and decisions log

## Scripts

- `scripts/inventory.sh` — collects hardware/network inventory from all nodes

## Node access

SSH: `ssh adamcarr@planck0NN.local` (key auth set up 2026-09-19). mDNS
resolves `planck0NN.local` across subnets.