69 lines
2.2 KiB
Markdown
69 lines
2.2 KiB
Markdown
# Serenity
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NAS, media ingestion, and CPU-based AI inference.
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## Hardware
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| Component | Details |
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|-----------|---------|
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| **IP (LAN)** | 10.5.30.5 |
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| **IP (Tailscale)** | 100.94.87.79 |
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| **OS** | Unraid 7.2.4 |
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| **CPU** | Dual Intel Xeon X5690 (6c/12t each — 24 threads total) |
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| **RAM** | 102 GB |
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| **GPU** | None (Matrox G200 IPMI only) |
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## Roles
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- **NAS** — primary storage for Docker volumes, media, and backups via NFS
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- **Media ingestion** — full ARR stack (Sonarr, Radarr, Prowlarr, qBittorrent, etc.)
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- **Reranker host** — CPU-based TEI reranker for the AI RAG pipeline
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## Services
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### NFS Exports
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| Export | Mount on PD | Purpose |
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|--------|-------------|---------|
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| `/mnt/user/data` | `/mnt/unraid/data` | General Docker volumes |
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| `/mnt/user/immich` | `/mnt/unraid/immich` | Immich photo library |
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> **Note:** NFS mounts on PD are **not** automatic at boot. Run after every TrueNAS restart:
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> ```bash
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> sudo bash /mnt/tank/docker/scripts/mount-unraid-nfs.sh
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> ```
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### Reranker (TEI)
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Text Embeddings Inference reranker for OpenWebUI RAG pipeline.
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| Setting | Value |
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|---------|-------|
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| **Model** | `BAAI/bge-reranker-v2-m3` |
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| **Image** | `ghcr.io/huggingface/text-embeddings-inference:cpu-latest` |
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| **Port** | `9787` |
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| **Volume** | `/mnt/user/appdata/reranker` |
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| **LiteLLM model name** | `reranker` |
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| **API base** | `http://10.5.30.5:9787` |
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> Moved from PlausibleDeniability (port 8787) to Serenity (port 9787) on 2026-05-09.
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> CPU-only inference is acceptable for RAG reranking workloads.
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### ARR Stack
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Managed via Unraid Community Apps. See Unraid dashboard for individual service ports and status.
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### Technitium Backup Resolver
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Serenity hosts the secondary backup Technitium node on `10.5.30.10`.
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- Live stack path: `/mnt/user/appdata/technitium-serenity`
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- Resolver bind IP: `10.5.30.10`
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- Config is refreshed from PD's live Technitium directory by the PD-side sync runner every 15 minutes
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- Same-host checks from Serenity to `10.5.30.10` are unreliable because the resolver sits behind macvlan networking; verify from another LAN peer instead
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## Notes
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- No GPU; reranker uses CPU-only TEI image
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- Tailscale active — reachable at `100.94.87.79` from any Tailscale node
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