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61 lines
1.7 KiB
Markdown
61 lines
1.7 KiB
Markdown
---
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title: VM Storage Policy
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created: 2026-04-28
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updated: 2026-04-28
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type: concept
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tags: [concept, storage, ubuntu, homelab]
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confidence: high
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---
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# VM Storage Policy
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Storage rules for application data on the Ubuntu host (192.168.50.61). All agents and developers managing services on Ubuntu MUST follow these rules.
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## Rule 1: User-Uploaded Data on NFS
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Store ALL user-uploaded data on TrueNAS NFS shares, NOT on the VM's local disk.
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**Allowed NFS Paths:**
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- `/mnt/PersonalMediaLibrary/` — Personal media, photos (Immich)
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- `/mnt/truenas/mediadata/` — Media library (Movies, TV, Music)
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- `/mnt/truenas-backup/` — Backups
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**Examples:**
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```yaml
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volumes:
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- /mnt/PersonalMediaLibrary/immich/upload:/usr/src/app/upload
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- /mnt/truenas/mediadata/media:/media
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```
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## Rule 2: Config Files on VM
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Configuration files, databases, and cached data CAN stay on VM local disk.
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**Allowed Local Paths:**
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- `/home/bear/homelab/ubuntu/{service}/` — Docker compose and config
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- `./config`, `./cache` (relative to docker-compose) — Config/cache directories
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## Rule 3: NFS Mounts Must Be in fstab
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Before using an NFS path in docker-compose, verify it exists in `/etc/fstab` for persistence.
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```bash
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cat /etc/fstab | grep nfs
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```
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## Summary
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| Data Type | Storage Location | Example |
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|-----------|-----------------|---------|
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| User uploads | NFS (TrueNAS) | Photos, media |
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| App config | VM local | docker-compose.yml, config/ |
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| Databases | VM local (postgres-shared) | PostgreSQL, Redis |
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| Media library | NFS (TrueNAS) | Movies, TV, Music |
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| Backups | NFS (TrueNAS) | Application backups |
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## Related
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- [[nfs-storage|NFS Storage]] — TrueNAS NFS mount strategy
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- [[truenas|TrueNAS]] — network-attached storage host
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- [[ubuntu|ubuntu]] — primary Docker host
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