75 lines
2.3 KiB
Markdown
75 lines
2.3 KiB
Markdown
# Jellyfish
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Raspberry Pi 5 running Debian Trixie, behind a GL-MT3600BE (Beryl 7) router in Hawaii.
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## Hardware
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| Property | Value |
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|----------|-------|
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| **Model** | Raspberry Pi 5 Model B Rev 1.0 |
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| **CPU** | ARM Cortex-A76 (2 cores visible), BogoMIPS 108 |
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| **RAM** | 4 GB |
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| **Boot disk** | 32GB microSD (mmcblk0) |
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| **External storage** | 4TB NVMe SSD (Crucial CT4000P3SSD8) via USB, LUKS+EXT4 |
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| **OS** | Debian 13 (Trixie) |
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| **Tailscale IP** | `100.69.121.120` |
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| **Headscale node** | ID:15 |
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| **LAN IP** | `192.168.12.181` (eth0), `192.168.12.182` (wlan0) |
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| **Gateway** | GL-MT3600BE at `192.168.12.1` |
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| **User** | `lulu` |
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## Network
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Jellyfish is on the Beryl 7's `192.168.12.0/24` LAN, reachable from the tailnet via Tailscale or via the router's subnet route.
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```bash
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ssh jellyfish # via Tailscale (100.69.121.120)
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ssh lulu@192.168.12.181 # from devices on the Beryl 7 LAN
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```
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## External Drive (LUKS)
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The 4TB NVMe is encrypted with LUKS and mounted at `/srv/nas`. It must be opened manually after each reboot (passphrase required).
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### Bring Up
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```bash
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sudo cryptsetup luksOpen /dev/sda ssd # enter passphrase
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sudo mount /dev/mapper/ssd /srv/nas
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sudo systemctl start smbd
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docker compose -f /srv/nas/ametrine/Docker/photoprism/compose.yaml up -d
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```
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### Shut Down
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```bash
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docker compose -f /srv/nas/ametrine/Docker/photoprism/compose.yaml down
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sudo systemctl stop smbd
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sudo umount /srv/nas
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sudo cryptsetup close ssd
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sudo shutdown -h now
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```
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### FSCK Recovery Notes
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The SSD has had EXT4 corruption from 143 unsafe shutdowns (power loss, not hardware failure). SMART reports healthy (0 errors, 100% spare). Recovery notes are at `/home/lulu/FSCK-RECOVERY-NOTES.md` on jellyfish.
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If LUKS mapper returns I/O errors but raw `/dev/sda` reads fine:
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1. Stop all services (photoprism, smbd, syncthing)
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2. Unmount `/srv/nas`
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3. Close LUKS: `sudo cryptsetup close ssd`
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4. Reopen: `sudo cryptsetup luksOpen /dev/sda ssd`
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5. Run fsck: `sudo e2fsck -y /dev/mapper/ssd`
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## Services
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| Service | Location | Port |
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|---------|----------|------|
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| **Photoprism** | `/srv/nas/ametrine/Docker/photoprism/` | Docker |
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| **Samba** | System service (`smbd`) | 445 |
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## Other Devices on Same LAN
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- `moon` — `192.168.12.223` (Tailscale `100.64.0.6`)
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- `homeassistant` — Home Assistant OS (Tailscale `100.112.186.90`)
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