When creating an igroup, you must set the operating system type, or ostype, to one of the supported ostype values.
The supported ostypes are: solaris, Solaris_efi, windows, windows_gpt, windows_2008, hpux, aix, linux, netware, vmware, xen, and hyper_v.
-f overrides all warnings.
igroup is the name of the igroup.
value is the operating system type of the igroup.