Hardware Inventory¶

The cluster is built from a mix of ARM and x86 hardware. Raspberry Pi 4 nodes handle lightweight workloads and control plane duties, while Acemagician AM06 mini PCs provide Intel GPUs and NVMe storage for Ceph.

Compute Nodes¶

Control Plane + Workers¶

These nodes run control plane components and schedule workloads (allowSchedulingOnControlPlanes: true). The VIP 192.168.0.200 floats across all three for API server high availability.

Hostname	Hardware	IP	Role	CPU	RAM	Storage	Image Schematic
worker-01	Lenovo 440p	192.168.0.201	Control Plane + Worker	AMD	--	--	`amd`
worker-02	Lenovo 440p	192.168.0.202	Control Plane + Worker	AMD	--	--	`amd`
worker-03	Acemagician AM06	192.168.0.203	Control Plane + Worker	AMD	--	NVMe (Ceph)	`amd`

VIP for API Server

All control plane nodes share the virtual IP 192.168.0.200 for the Kubernetes API endpoint (https://192.168.0.200:6443).

Worker Nodes (Intel)¶

Hostname	Hardware	IP	Role	CPU	RAM	Storage	Image Schematic
worker-04	Acemagician AM06	192.168.0.204	Worker	Intel	--	eMMC + NVMe (Ceph)	`intel`
worker-05	Acemagician AM06	--	Worker	Intel	--	NVMe (Ceph)	`intel`
worker-06	Acemagician AM06	--	Worker	Intel	--	NVMe (Ceph)	`intel`

Intel GPU Workloads

The Acemagician AM06 nodes include Intel integrated GPUs (i915) with firmware loaded via Talos extensions. These are used for hardware transcoding in applications like Jellyfin.

Worker Nodes (Raspberry Pi)¶

Hostname	Hardware	IP	Role	Image Schematic
worker-pi-01	Raspberry Pi 4	192.168.0.211	Worker	`rpi-poe`
worker-pi-02	Raspberry Pi 4	192.168.0.212	Worker	`rpi-poe`
worker-pi-03	Raspberry Pi 4	192.168.0.213	Worker	`rpi-poe`

PoE Hat Fan Control

The Raspberry Pi nodes use PoE hats for power delivery. Fan speed thresholds are configured in the Talos overlay:

dtparam=poe_fan_temp0=50000   # 50C
dtparam=poe_fan_temp1=60000   # 60C
dtparam=poe_fan_temp2=70000   # 70C
dtparam=poe_fan_temp3=80000   # 80C

Other Raspberry Pis (Not in cluster)¶

Quantity	Model	Use
4	Raspberry Pi 2B+	Spare / other projects
1	Raspberry Pi 3B+	Spare / other projects

Network Equipment¶

Device	Model	Purpose
Switch	TP-Link 24-Port PoE	Core network switch, powers Pi nodes via PoE
Router	NanoPi R5C	Primary router
Access Point	Ubiquiti U7-Pro	Wi-Fi 7 AP
Access Point	Ubiquiti U6-Lite	Wi-Fi 6 AP

Storage¶

Device	Capacity	Purpose
Synology 4-Bay NAS	8 TB	Bulk storage (NFS)
128 GB SSD	x3	Boot drives
512 GB NVMe	x3	Ceph OSD storage (on Acemagician AM06 nodes)

Ceph Storage

The three 512 GB NVMe drives in the Acemagician AM06 nodes form a Rook-Ceph cluster, providing replicated block storage for persistent volumes.

Power¶

Device	Model	Capacity
UPS	Eaton 500VA	Protects switch, router, and critical nodes

Network Topology¶

graph LR
    Internet -->|WAN| RT[NanoPi R5C<br/>Router]
    RT -->|LAN| SW[TP-Link 24-Port<br/>PoE Switch]

    SW -->|PoE| WP1[Pi worker-pi-01]
    SW -->|PoE| WP2[Pi worker-pi-02]
    SW -->|PoE| WP3[Pi worker-pi-03]

    SW --> CP1[worker-01<br/>Lenovo 440p]
    SW --> CP2[worker-02<br/>Lenovo 440p]
    SW --> CP3[worker-03<br/>AM06]

    SW --> W4[worker-04<br/>AM06]
    SW --> W5[worker-05<br/>AM06]
    SW --> W6[worker-06<br/>AM06]

    SW --> NAS[Synology NAS]

    SW -.-> AP1[U7-Pro AP]
    SW -.-> AP2[U6-Lite AP]

    UPS[Eaton 500VA] -.->|Power| SW
    UPS -.->|Power| RT