5x 14TB drives in Raid-Z2 as bulk storage in one VDEV / pool. 2x SSD in a mirror VDEV for applications and VMs.
Suggesting Raid-Z2 because of the size of the drives and that gives you two drives of redundantcy. Suggesting Mirror of SSD for faster storage of apps and VMs, one drive of redundancy.
I don’t believe you need L2ARC nor SLOG devices for your use case.
BASICS
iX Systems pool layout whitepaper
Special VDEV (sVDEV) Planning, Sizing, and Considerations
