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+---
+title: Immich on ZFS
+description: Moving Immich to its own ZFS dataset
+published: true
+date: 2026-02-06T15:57:04.261Z
+tags: service zfs immich dataset
+editor: markdown
+dateCreated: 2026-02-06T15:57:04.261Z
+---
+
+# Moving Immich to a ZFS Dataset
+
+## Overview
+This guide covers moving an existing Immich installation to its own ZFS dataset to enable `zfs send` backups.
+
+## Prerequisites
+- ZFS pool mounted at `/srv/vault`
+- Existing Immich installation at `/srv/vault/immich`
+- Immich running via Docker Compose
+
+## Steps
+
+### 1. Stop Immich Services
+```bash
+cd /srv/vault/immich  # or wherever your docker-compose.yml is
+docker compose down
+```
+
+### 2. Create the New Dataset
+```bash
+sudo zfs create vault/immich
+```
+
+### 3. Move Existing Data Temporarily
+```bash
+sudo mv /srv/vault/immich /srv/vault/immich_old
+```
+
+### 4. Set Mountpoint and Mount Dataset
+```bash
+sudo zfs set mountpoint=/srv/immich vault/immich
+sudo zfs mount vault/immich
+```
+
+### 5. Copy Data to New Dataset
+```bash
+sudo rsync -avxHAX /srv//immich_old/ /srv/immich/
+```
+
+Flags preserve permissions, ownership, and special attributes.
+
+### 6. Verify Data Copy
+```bash
+sudo du -sh /srv/vault/immich_old
+sudo du -sh /srv/vault/immich
+```
+
+Sizes should match closely.
+
+### 7. Start Immich
+```bash
+cd /srv/vault/immich
+docker compose up -d
+```
+
+### 8. Test and Clean Up
+Verify everything works, then remove old data:
+```bash
+sudo rm -rf /srv/vault/immich_old
+```
+
+## ZFS Dataset Properties
+
+### Recommended Settings
+```bash
+# Compression - helps with photos and database
+sudo zfs set compression=lz4 vault/immich
+
+# Record size - balance for mixed workload
+sudo zfs set recordsize=128K vault/immich
+
+# Better database performance
+sudo zfs set primarycache=all vault/immich
+sudo zfs set atime=off vault/immich
+```
+
+### Property Explanations
+- **compression=lz4**: Fast, low CPU overhead, works well for both photos and database
+- **recordsize=128K**: Good compromise between database (8K blocks) and photos (larger files)
+- **atime=off**: Disables access time updates, reduces unnecessary writes
+- **primarycache=all**: Keeps both metadata and data in ARC cache (default)
+
+## Backup with ZFS Send/Receive
+
+### Create Snapshot
+```bash
+zfs snapshot vault/immich@backup-$(date +%Y%m%d)
+```
+
+### Send to Remote Server
+```bash
+zfs send vault/immich@backup-$(date +%Y%m%d) | ssh backup-server zfs receive tank/backups/immich
+```
+
+### Incremental Backups
+```bash
+# After first full backup
+zfs snapshot vault/immich@backup-$(date +%Y%m%d)
+zfs send -i vault/immich@previous-snapshot vault/immich@backup-$(date +%Y%m%d) | \
+  ssh backup-server zfs receive tank/backups/immich
+```
+
+## Optional: Separate Datasets for Database and Photos
+
+For optimal performance, split into separate datasets:
+```bash
+sudo zfs create vault/immich/database
+sudo zfs create vault/immich/photos
+
+# Database optimized
+sudo zfs set recordsize=16K vault/immich/database
+sudo zfs set logbias=latency vault/immich/database
+
+# Photos optimized  
+sudo zfs set recordsize=1M vault/immich/photos
+```
+
+Then update your Docker Compose volume mounts accordingly.
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