ESXi

Manger host

To power on a virtual machine from the command line

List the inventory ID of the virtual machine with the command:

vim-cmd vmsvc/getallvms |grep <vm name>

Check the power state of the virtual machine with the command:

vim-cmd vmsvc/power.getstate <vmid>

Power-on the virtual machine with the command:

vim-cmd vmsvc/power.on <vmid> 

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1038043

Show FC WWN

[root@localhost:~] esxcli storage san fc list
Adapter: vmhba2
Port ID: 010B00
Node Name: 20:00:00:90:fa:86:71:cc
Port Name: 10:00:00:90:fa:86:71:cc
Speed: 8 Gbps
Port Type: NPort
Port State: ONLINE

Adapter: vmhba3
Port ID: 010B00
Node Name: 20:00:00:90:fa:82:8d:f4
Port Name: 10:00:00:90:fa:82:8d:f4
Speed: 8 Gbps
Port Type: NPort
Port State: ONLINE

VSAN

http://www.settlersoman.com/how-to-configure-vmware-virtual-san-vsan/

Virtual Machine Disks consolidation is needed