2025 ZFS on openmediavault: A Beginner's Guide to Building a Powerful NAS

The ultimate ZFS guide on openmediavault 7. Install omv-extras easy to follow along with the following plugins flashmemory, sharerootfs, kernel and zfs.

How to create a zfs pool, a dataset and create the network share. We are also going to setup automatic zfs snapshots.

New NAS Specs (12TB HDD's are in zfs mirror)
HP EliteDesk 800 G5
CPU: i5 9600
RAM: 24GB
HDD: 2 x HGST Ultrastar HC250 12TB
OS Drive: WD SN 740 256GB
Fast Drive: WD SN580 1TB
Network: 2.5GB I226-V

*Link to my GitHub to find yml file for docker containers*
(docker compose folder)
https://github.com/robwithtech/homelab

*Link to OMV-Extras Forum*
https://wiki.omv-extras.org/

*Link to auto zfs snapshots for openmediavault*
https://wiki.omv-extras.org/doku.php?...

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-- Links --
(Please note, I may earn a small commission if you use any of the links below to purchase a product. This won't cost you anything but will help me.)

Sabrent USB 3.0 to SATA Dual Bay External Hard Drive Dock
https://amzn.to/4dMJqxc (Amazon)

Need a BENFEI USB 3.0 Hub
https://amzn.to/3X7brIY (Amazon)

2.5GB Intel I226-V PCIE Card (The exact card I used on my NAS)
https://amzn.to/42BGzV0 (Amazon)
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*View my channel*
   / @robwithtech  

Timeline
0:00 Introduction
3:00 Install omv-extras
4:00 First login to omv and my first changes
6:55 Updating OMV
9:00 Plugins I recommend and zfs
11:00 Proxmox kernel install
13:10 Creating zfs pool and dataset
16:20 Creating the sharefolder for zfs
18:20 Creating user for smb and network share setup
20:50 How to check zfs pool details
21:42 zfs snapshots
28:16 Forgot to cover setting static IP
30:30 Notifications and S.M.A.R.T setup
35:20 Checking on snapshots
36:50 My New OMV ZFS NAS
38:50 Testing the NAS
40:00 Questions? Comments? Like!