This video reviews what L2ARC on ZFS is, how to set it up, and why it can be a great improvement to your workflow (even if a lot of people say it isn't!) Hire Me! https://www.spacerex.co/hire-me/?utm_source=YouTube&utm_medium=Description&utm_campaign=L2ARC Post on the Forums! https://forums.spacerex.co/ iXSystems Best Practices for OpenZFS L2ARC: https://www.youtube.com/watch?v=yHgSU6iqrlE Link to PDF: https://www.snia.org/sites/default/files/SDC/2019/presentations/File_Systems/McKenzie_Ryan_Best_Practices_for_OpenZFS_L2ARC_in_the_Era_of_NVMe.pdf TOC 00:00 Introduction 01:26 What is L2ARC? 07:13 Adding L2ARC to pool 13:13 Why L2ARC is commonly not recommended 20:54 When you should use L2ARC 25:31 Conclusion