Overall Heatlh

isi status -n 

Status

isi status

Check AD status

isi_for_array -s 'isi auth status |grep -i activedirectory'

Check all nodes are authenticated

isi_for_array -s 'isi auth ads list'

Format / reimage the node, turn off the nvram battery and power off the node

isi_reformat_node --factory

Pocket guide; http://psg.skinforum.org/isilon.html

Deploying virtual Isilon on ESXi; https://storagemonkey.wordpress.com/2013/02/10/deploying-virtual-isilon-on-esxi/