# Hardware & OS

# Hardware & OS

Terra is the primary compute node for the Flora Family homelab, designed for high-concurrency tasks like AI processing, media transcoding, and ZFS storage management.

## 🖥️ Physical Specs
*   **Motherboard:** Asus Prime X570-Pro
*   **CPU:** AMD Ryzen 9 5950X (16 Cores, 32 Threads)
    *   **Scaling Driver:** `amd_pstate=active` (EPP)
    *   **Frequency Range:** 550MHz - 5000MHz
*   **RAM:** 128GB (4x32GB) Corsair Vengeance LPX DDR4 3200MHz CL16 (Non-ECC)
    *   *Note: Currently running at 2133MHz; XMP/DOCP troubleshooting in progress.*
*   **GPU:** Nvidia Quadro P2200 (5GB VRAM)
*   **Chassis:** iStar D-400 with Red Drive Doors (4U Rackmount)
*   **Power Supply:** be quiet! Dark Power Pro 11 650W (80 Plus Platinum)
*   **Expansion & Storage Connectivity:
    *   **LSI 9207-8i HBA:** Driving the 4x 12TB HDD stack.
    *   **Motherboard SATA:** Driving the 6x 2TB SSD stack.
    *   **4-port Gigabit NIC:** Realtek chipset; currently unused.

## 🌬️ Cooling (Noctua Standards)
*   **CPU Cooler:** Noctua NH-C14S (with dual 140mm fans).
*   **NVMe Cooling:** Both drives equipped with heatsinks including integrated active fans.
    *   *Note: Active cooling reduced temperatures significantly. Current stats (composite): drive 0400 @ 42C, 0100 @ 37C.*
*   **Case Fans:** All stock fans replaced with Noctua units.
*   **Additional Airflow:** Added 40mm fan on the HBA and 2x 80mm fans at the chassis front.

### Fan Connectivity Map
| Sensor | Description | Connection |
| :--- | :--- | :--- |
| fan1 | CHA_FAN1 | back exhaust fans (2x80mm) |
| fan2 | CPU_FAN | bottom CPU fan (1x120mm) |
| fan3 | CHA_FAN2 | SDD drive cage fan (1x40mm) |
| fan4 | CHA_FAN3 | front intake fans (2x80mm) |
| fan5 | ? | Shows 0 rpm |
| fan6 | W_PUMP | HBA & NVMe fans (1x40mm + 2x20mm) |
| fan7 | ? | Shows 0 rpm |
| ? | CPU_OPT | top CPU fan (1x120mm) |
| ? | AIO_PUMP | empty |
| - | - | HDD drive cage fan (1x80mm) |


## 💾 Storage Media
*   **NVMe:** 2x 500GB WD Black SN7100 (Used for OS mirrors and ZFS Special VDEVs/L2ARC).
*   **SSD:** 6x 2TB Samsung 870 EVO (Main pool).
*   **HDD:** 4x 12TB Seagate Exos X16 (Bulk pool).

## ⚙️ OS & Software
*   **OS:** Ubuntu 24.04 LTS
*   **Kernel:** ZFS-on-Linux (OpenZFS)
*   **Management:** Sanoid/Syncoid for snapshots and replication.