Maximize TrueNAS & ZFS Performance 🚀

After setting up your TrueNAS server there are lots of things to configure when it comes to tuning ZFS. From pools, to disk configuration, to cache to networking, backups and more. This guide will walk you through everything you should do after installing TrueNAS with a focus on speed, safety, and optimization.

Video Notes: https://technotim.live/posts/truenas-performance-guide/

Support me on Patreon: https://www.patreon.com/technotim
Sponsor me on GitHub: https://github.com/sponsors/timothystewart6
Subscribe on Twitch: https://www.twitch.tv/technotim
Become a YouTube member: https://www.youtube.com/channel/UCOk-gHyjcWZNj3Br4oxwh0A/join
Merch Shop 🛍️: https://l.technotim.live/shop
Gear Recommendations: https://l.technotim.live/gear
Get Help in Our Discord Community: https://l.technotim.live/discord
2nd channel: https://www.youtube.com/@TechnoTimTalks

Here are some items I found useful when building my NAS

- Supermicro NVMe Add-in Card - https://www.ebay.com/itm/375100900409?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5338780159&customid=&toolid=10001&mkevt=1
- Dell NVMe Add-in Card - https://www.ebay.com/itm/164864777644?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5338780159&customid=&toolid=10001&mkevt=1
- M.2 Heatsink SSD Cooler for PS5 PCIE NVME - https://amzn.to/4bwsYAq
- Intel OPTANE SSD P1600X Series 118GB M.2 PCIE - https://amzn.to/497Np53
- SAMSUNG 990 PRO Series - 2TB PCIe Gen4. X4 NVMe 2.0c - M.2 Internal SSD - https://amzn.to/4buzeZz
- Seagate IronWolf 12TB NAS Internal Hard Drive HDD - https://amzn.to/3usqnH8
- Seagate Exos X18 ST14000NM000J 14 TB Hard Drive - https://amzn.to/3SC6ntT
- APC UPS 1500VA UPS Battery Backup and Surge Protector - https://amzn.to/499JvZx
- Tripp Lite SMART1500LCD 1500VA UPS Smart Battery Backup (rackmount) - https://amzn.to/3SOXhLr

(Affiliate links may be included in this description. I may receive a small commission at no cost to you.)

00:00 - Intro
01:09 - Pool Configuration
02:11 - Mirrored VDEVs
03:25 - Dataset Configuration
04:37 - Sync vs Async
05:20 - What is ZIL
06:15 - The More ARC the Better
07:11 - ARC Tuning with TrueNAS SCALE
08:03 - L2ARC (Increase Read Speeds)
09:11 - Increase Write Speeds
10:32 - What is SLOG and How It Helps
12:36 - Networking Considerations and LACP
14:11 - IOPS vs Network
15:05 - VLAN Routing Considerations
15:37 - Snapshots
16:47 - Backups
17:22 - Alerts
17:45 - UPS

Thank you for watching!