Q: Turn off fractional reserve
A: vol options vl_esx_vmfs_prod01 fractional_reserve 0

Q: Add user to a group
A: useradmin domainuser add svc-mcafee-netapp -g Administrators

Q: Virus scanner turn off / on.
A: vscan on / vscan off

Q: after disaster bring luns online.
A: lun online  <path to lun's>