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: null Merch Shop 🛍️: null Gear Recommendations: https://l.technotim.live/gear Get Help in Our Discord Community: https://l.technotim.live/discord 2nd channel: https://www.youtube.com/channel/UCEv-LBP68lHl3JNJ25RT16g 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!