Best NAS Software for Your Homelab in 2026: TrueNAS, Unraid, and OpenMediaVault Compared

Building a Network Attached Storage (NAS) system is often the foundation of any serious homelab. Whether you’re storing family photos, running Docker containers, or serving media to multiple devices, choosing the right NAS software can make or break your experience.

In this comprehensive guide, we’ll compare the three most popular NAS operating systems in 2026: TrueNAS, Unraid, and OpenMediaVault. We’ll cover installation, features, performance, and help you decide which one fits your needs.

Quick Comparison Table

TrueNAS SCALE: The Enterprise Powerhouse

What Makes TrueNAS Special

TrueNAS SCALE (the Linux-based version of TrueNAS) has become the go-to choice for users who want enterprise-grade features without the enterprise price tag. Built on Debian Linux and powered by the ZFS filesystem, it offers unmatched data integrity and powerful features.

Key Features:

• ZFS Filesystem: Copy-on-write, snapshots, compression, deduplication
• Native Kubernetes: Built-in K3s cluster for container orchestration
• True Docker Integration: Run containers alongside traditional NAS features
• Data Protection: Built-in replication, snapshots, and cloud sync
• SMB/NFS/iSCSI: All major protocols supported out of the box

When to Choose TrueNAS

Pick TrueNAS SCALE if:

• Data integrity is your top priority
• You want to learn ZFS (it’s becoming the industry standard)
• You need advanced features like replication and snapshots
• You’re comfortable with a steeper learning curve
• You have (or plan to have) 16GB+ RAM (ZFS loves RAM)

Hardware Requirements

Minimum:

• CPU: 2 cores (Intel/AMD)
• RAM: 8GB (16GB+ recommended for ZFS)
• Boot Drive: 16GB USB or SSD
• Storage: 2+ drives for redundancy

Recommended:

• CPU: 4+ cores
• RAM: 32GB+ (especially if using deduplication)
• Boot Drive: Dedicated SSD mirror
• Storage: 4+ drives for RAIDZ2

Installing TrueNAS SCALE

1. Download the ISO from truenas.com

2. Flash to USB using Balena Etcher or dd:

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dd if=TrueNAS-SCALE-22.12.iso of=/dev/sdX bs=4M status=progress

3. Boot and Install:

   • Boot from USB
   • Select “Install/Upgrade”
   • Choose boot drive (will be wiped!)
   • Set root password
   • Reboot

4. Initial Configuration:

   • Access web UI at http://truenas-ip
   • Login with root credentials
   • Configure network (Static IP recommended)
   • Set up storage pools

Creating a ZFS Pool

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# Via Web UI: Storage → Create Pool
# Name: tank
# Layout: Mirror (2 drives) or RAIDZ1 (3+ drives)
# 
# Via CLI (for advanced users):
zpool create -o ashift=12 tank raidz2 /dev/sda /dev/sdb /dev/sdc /dev/sdd

ZFS Pool Types:

• Stripe: No redundancy (fast but risky)
• Mirror: 50% capacity, can lose 1 drive per vdev
• RAIDZ1: ~75% capacity, can lose 1 drive
• RAIDZ2: ~50-65% capacity, can lose 2 drives (recommended)
• RAIDZ3: Can lose 3 drives (overkill for most)

Running Docker on TrueNAS SCALE

TrueNAS SCALE has native Docker support through K3s. Here’s how to deploy an app:

Method 1: TrueNAS Apps (Easy)

1. Navigate to Apps → Discover
2. Browse official apps (Plex, Nextcloud, etc.)
3. Click Install and configure

Method 2: Custom Docker Compose

Create a custom app:

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# In Apps → Launch Docker Image
version: "3"
services:
  portainer:
    image: portainer/portainer-ce:latest
    container_name: portainer
    restart: unless-stopped
    ports:
      - "9443:9443"
      - "9000:9000"
    volumes:
      - /mnt/tank/appdata/portainer:/data
      - /var/run/docker.sock:/var/run/docker.sock

Method 3: Heavyscript (Community Tool)

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# Install Heavyscript for better app management
curl -s https://raw.githubusercontent.com/Heavybullets8/heavy_script/main/functions/deploy.sh | bash

TrueNAS Best Practices

1. Always use mirrored boot drives (reduces single point of failure)
2. Set up email alerts (System Settings → Email)
3. Enable automatic SMART tests (Tasks → S.M.A.R.T. Tests)
4. Schedule regular scrubs (monthly recommended):

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# Tasks → Scrub Tasks → Add
# Pool: tank
# Schedule: 0 2 1 * * (1st of month at 2 AM)

5. Take snapshots before major changes:

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zfs snapshot tank/dataset@before-upgrade

Unraid: The Flexible Favorite

Why Unraid Stands Out

Unraid takes a different approach to storage. Instead of traditional RAID, it uses a unique parity system that allows mixed drive sizes and makes it easy to expand your array. It’s become famous for its user-friendly interface and incredible Docker/VM support.

Key Features:

• Mixed Drive Sizes: Use any combination of drives
• Easy Expansion: Add drives one at a time
• Parity Protection: 1-2 parity drives protect your data
• Community Applications: Massive library of one-click apps
• Cache/SSD Tiers: Automatic data movement for performance
• Excellent Docker Support: Best-in-class container management

When to Choose Unraid

Pick Unraid if:

• You want the easiest setup experience
• You have mixed drive sizes or plan to expand gradually
• Docker and VMs are a priority
• You’re willing to pay for licensing ($59-$129)
• You value community support and plugins

Pricing Tiers

• Basic: $59 - Up to 6 storage devices
• Plus: $89 - Up to 12 storage devices
• Pro: $129 - Unlimited storage devices

One-time payment, lifetime license. 30-day trial available.

Hardware Requirements

Minimum:

• CPU: Any 64-bit processor
• RAM: 4GB (8GB+ recommended)
• Boot Drive: 1GB+ USB flash drive (official Unraid USB recommended)
• Storage: 1 data drive + 1 parity drive

Recommended:

• CPU: 4+ cores (for VMs/Docker)
• RAM: 16GB+ (VMs need dedicated RAM)
• Boot Drive: 32GB USB 3.0 (Unraid brand)
• Storage: Multiple data drives + parity

Installing Unraid

1. Purchase or start trial at unraid.net

2. Create USB Installer:

   • Download Unraid USB Creator
   • Select your USB drive (will be formatted!)
   • Flash Unraid to USB
   • Copy your license key to the USB

3. Boot Server:

   • Insert USB and boot
   • Access web UI at http://tower.local or check your router for IP
   • Login with username root (no password initially)

4. Initial Setup:

   • Set root password
   • Assign drives (parity, cache, array)
   • Start array for the first time (this formats drives!)

Setting Up Your Array

Parity Configuration:

Parity Drive: Largest drive in your system
Disk 1-N: Data drives (any size ≤ parity drive)
Cache: SSD for fast writes (optional but recommended)

First Start:

1. Navigate to Main tab
2. Assign drives to slots
3. Check “Yes, I want to do this” (formats everything!)
4. Click Start Array
5. Format each disk when prompted

Docker on Unraid: Community Applications

Unraid’s killer feature is Community Applications (CA):

1. Install CA Plugin:

   • Go to Plugins → Install Plugin
   • Enter: https://raw.githubusercontent.com/Squidly271/community.applications/master/plugins/community.applications.plg

2. Install Apps:

   • Click Apps tab
   • Search for any app (Plex, Nextcloud, Jellyfin, etc.)
   • Click Install
   • Configure paths and ports
   • Done!

Example: Installing Plex

1. Apps → Search "Plex"
2. Select "PlexMediaServer" by linuxserver.io
3. Configure:
   - Host Path 1: /mnt/user/media (your media folder)
   - Host Port 1: 32400
   - Network Type: Bridge
4. Click Apply

Custom Docker Compose on Unraid

While CA is easy, you can still use docker-compose:

1. Install Compose Manager plugin from CA

2. Create compose file at /boot/config/compose/:

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# /boot/config/compose/monitoring/docker-compose.yml
version: "3.8"
services:
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    ports:
      - "9090:9090"
    volumes:
      - /mnt/user/appdata/prometheus:/prometheus
      - /mnt/user/appdata/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
    restart: unless-stopped

  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    ports:
      - "3000:3000"
    volumes:
      - /mnt/user/appdata/grafana:/var/lib/grafana
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin
    restart: unless-stopped

3. Start stack:

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cd /boot/config/compose/monitoring
docker-compose up -d

Unraid Best Practices

1. Use the cache drive: Speeds up writes dramatically
2. Enable mover schedule: Moves data from cache to array nightly
3. Set up parity checks: Monthly recommended (Settings → Scheduler)
4. Monitor drive health: Dashboard shows SMART status
5. Use User Shares: More flexible than direct disk access
6. Install Unassigned Devices plugin: Mounts external drives easily

Recommended Plugins:

• Dynamix File Manager: Browse files via web UI
• CA Backup / Restore Appdata: Backup Docker configs
• Fix Common Problems: Automatic health checks
• Unassigned Devices: Mount any external drive
• Nerd Tools: Extra CLI tools (htop, screen, etc.)

OpenMediaVault: The Budget Champion

What is OpenMediaVault?

OpenMediaVault (OMV) is a Debian-based NAS solution that’s completely free and open source. It’s perfect for budget builds or repurposing old hardware. While it lacks some polish compared to TrueNAS and Unraid, it’s incredibly lightweight and extensible through plugins.

Key Features:

• 100% Free: No licensing costs, ever
• Debian-Based: Massive package ecosystem
• Lightweight: Runs on minimal hardware
• Plugin System: Extend functionality easily
• Traditional RAID: mdadm software RAID
• OMV-Extras: Community plugins for Docker, Portainer, etc.

When to Choose OpenMediaVault

Pick OMV if:

• Budget is your primary concern
• You’re repurposing old hardware
• You want Debian under the hood for customization
• You’re comfortable with Linux basics
• You don’t need cutting-edge features

Hardware Requirements

Minimum:

• CPU: 1GHz single-core
• RAM: 1GB (2GB+ recommended)
• Boot Drive: 4GB+ USB or cheap SSD
• Storage: Any drives

Recommended:

• CPU: Dual-core or better
• RAM: 4GB+
• Boot Drive: 16GB SSD
• Storage: 2+ drives for RAID

Installing OpenMediaVault 7

1. Download ISO from openmediavault.org

2. Install Base System:

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# Flash to USB
dd if=omv_7.x-amd64.iso of=/dev/sdX bs=4M status=progress
# Boot and follow Debian installer
# Create root user and set password

3. Access Web Interface:

   • Navigate to http://omv-ip
   • Default login: admin / openmediavault
   • Change password immediately!

4. Initial Configuration:

   • Storage → Disks: View detected drives
   • Storage → File Systems: Create filesystems
   • Storage → Shared Folders: Create shares
   • Services → SMB/CIFS: Enable sharing

Setting Up RAID on OMV

Create RAID Array:

1. Via Web UI:

   • Storage → RAID Management → Create
   • Select level (RAID 1, 5, 6, 10)
   • Choose devices
   • Apply configuration

2. Via CLI (for advanced users):

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# Create RAID 5 with 3 drives
mdadm --create /dev/md0 --level=5 --raid-devices=3 /dev/sdb /dev/sdc /dev/sdd

# Format with ext4
mkfs.ext4 /dev/md0

# Mount in OMV
# Storage → File Systems → Mount

RAID Levels:

• RAID 1: Mirror (2+ drives, 50% capacity)
• RAID 5: Single parity (3+ drives, n-1 capacity)
• RAID 6: Double parity (4+ drives, n-2 capacity)
• RAID 10: Striped mirrors (4+ drives, 50% capacity)

Installing OMV-Extras for Docker

OMV doesn’t include Docker by default, but OMV-Extras adds it:

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# SSH into OMV as root
wget -O - https://github.com/OpenMediaVault-Plugin-Developers/packages/raw/master/install | bash

# After installation, refresh web UI
# System → Plugins → Search "Docker" → Install
# System → Plugins → Search "Portainer" → Install

Access Portainer:

• Navigate to http://omv-ip:9000
• Create admin account
• Manage Docker containers through UI

Running Docker on OpenMediaVault

Method 1: Portainer (Recommended)

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# Create stack in Portainer
version: "3"
services:
  jellyfin:
    image: jellyfin/jellyfin:latest
    container_name: jellyfin
    network_mode: host
    volumes:
      - /srv/dev-disk-by-uuid-xxxx/appdata/jellyfin/config:/config
      - /srv/dev-disk-by-uuid-xxxx/appdata/jellyfin/cache:/cache
      - /srv/dev-disk-by-uuid-xxxx/media:/media:ro
    environment:
      - PUID=1000
      - PGID=100
    restart: unless-stopped

Method 2: Docker Compose via CLI

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# Install docker-compose
apt update && apt install docker-compose

# Create compose file
mkdir -p /opt/docker/nextcloud
cd /opt/docker/nextcloud

cat > docker-compose.yml << EOF
version: "3"
services:
  nextcloud:
    image: nextcloud:latest
    container_name: nextcloud
    ports:
      - "8080:80"
    volumes:
      - /srv/dev-disk-by-uuid-xxxx/nextcloud:/var/www/html
    environment:
      - MYSQL_HOST=db
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
      - MYSQL_PASSWORD=secure_password
    depends_on:
      - db
    restart: unless-stopped

  db:
    image: mariadb:latest
    container_name: nextcloud-db
    volumes:
      - /srv/dev-disk-by-uuid-xxxx/nextcloud-db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=root_password
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=nextcloud
      - MYSQL_PASSWORD=secure_password
    restart: unless-stopped
EOF

docker-compose up -d

OpenMediaVault Best Practices

1. Separate boot and data drives: Never use boot drive for storage
2. Enable email notifications: System → Notification
3. Schedule RAID checks: Storage → RAID Management → Tasks
4. Use OMV-Extras: Essential for modern features
5. Backup OMV config: System → Backup → Create backup

Essential Plugins:

• omv-extras: Docker, kernel backports, repos
• openmediavault-sharerootfs: Use root filesystem for shares (not recommended for production)
• openmediavault-diskstats: Disk performance stats
• openmediavault-compose: Docker Compose manager

Performance Comparison

Read/Write Speeds (4x 4TB drives, RAID 5/RAIDZ1/Parity)

Unraid’s write speed asterisk: Unraid writes are slower due to single parity drive. Use cache drive for fast writes.

Real-World Scenarios

Copying 100GB movie folder:

• TrueNAS: ~4.5 minutes
• Unraid: ~8 minutes (without cache), ~3 minutes (with cache)
• OMV: ~5 minutes

Running 10 Docker containers + Plex:

• TrueNAS: No issues (K3s handles it well)
• Unraid: Excellent (best Docker experience)
• OMV: Works fine (slightly higher CPU usage)

Which Should You Choose?

Choose TrueNAS SCALE if:

✅ Data integrity is critical (photographers, video editors, enterprises)
✅ You want to learn ZFS (future-proof skill)
✅ You need advanced features (replication, snapshots, cloud sync)
✅ You have adequate RAM (16GB+)
✅ You’re willing to invest time in learning

❌ Avoid if: You have limited RAM (<8GB) or need dead-simple setup

Choose Unraid if:

✅ You want the easiest, most polished experience
✅ You have mixed drive sizes or plan to expand gradually
✅ Docker and VMs are your primary use case
✅ You value community support and one-click apps
✅ You don’t mind paying for licensing

❌ Avoid if: Budget is tight or you need maximum raw performance

Choose OpenMediaVault if:

✅ Budget is your top priority
✅ You’re repurposing old hardware
✅ You want Debian’s flexibility and package ecosystem
✅ You’re comfortable with basic Linux administration
✅ You don’t need bleeding-edge features

❌ Avoid if: You want a polished, modern UI or zero command-line work

Migration Tips

Moving from OMV to TrueNAS

1. Backup all data to external drives
2. Install TrueNAS on new boot device
3. Import drives as new ZFS pool (or single disks)
4. Copy data back
5. Reconfigure shares and Docker

Note: Cannot import existing ext4/RAID arrays into ZFS directly

Moving from Unraid to TrueNAS

1. Backup appdata folder (Docker configs)
2. Copy all array data to external storage
3. Install TrueNAS
4. Create ZFS pool with array drives (formats them!)
5. Restore data
6. Redeploy Docker containers

Moving Between Any Systems

Universal migration steps:

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# On old system, create data archive
rsync -avP /mnt/data/ /mnt/external-backup/

# On new system, restore
rsync -avP /mnt/external-backup/ /mnt/new-pool/data/

# For Docker configs
tar -czf docker-appdata-backup.tar.gz /opt/appdata/
# Copy to new system and extract
tar -xzf docker-appdata-backup.tar.gz -C /new/appdata/path/

Conclusion

All three NAS solutions are excellent, but they serve different audiences:

• TrueNAS SCALE is the powerhouse for users who need enterprise features and don’t mind the learning curve
• Unraid is the user-friendly champion that makes Docker and mixed-drive setups trivial
• OpenMediaVault is the budget hero that proves you don’t need to spend money for solid NAS functionality

For most homelabbers in 2026, Unraid offers the best balance of features, ease of use, and community support. However, if you’re building a data-critical system or want to future-proof your skills, TrueNAS SCALE with ZFS is worth the investment.

My personal recommendation:

• Beginners: Start with Unraid (trial is free)
• Intermediate: TrueNAS SCALE for growth and learning
• Budget-conscious: OpenMediaVault with OMV-Extras
• Enterprise/Professional: TrueNAS SCALE (no contest)

Whatever you choose, you’re building the foundation of your homelab. Take your time, back up your data, and enjoy the journey!

Additional Resources

• TrueNAS Documentation
• Unraid Forums
• OpenMediaVault Docs
• r/homelab
• r/selfhosted

Last updated: February 9, 2026