https://www.experts-exchange.com/articles/18819/HOW-TO-Upgrade-VMware-ESXi-5-5-to-ESXi-6-0-in-5-easy-steps.html
Tag: VMWare ESXi
How to Create a Bootable ESXi USB Drive
Configure FreeNAS iSCSI and VMWare ESXi (w/AUDIO!)
This is a very useful video that describes how to configure FreeNAS iSCSI as a data store for ESXi. The credits go to mrholverson
A copy of this video is available here