How to add ZIL write and L2ARC read cache SSD devices in FreeNAS - nixCraft
First run of freenas and wow! Fully saturating 10GBE with 6x 8TB ironwolf in raidz. Definitely no need for cache... time to backup the 32 terabytes of 4K footages :) and figure
SSD Pool Slow Performance : r/freenas
FreeNAS and TrueNAS ZFS optimizations and considerations for SSD and NVMe - The Tech Journal