You can choose to install the Solaris Operating System to the following installation targets:
Local Hard Drive on Sun Blade Server Module
Use this installation target when installing Solaris to disk drive(s) installed on the Sun Blade Server Module.
External Storage Device
Use this installation target when installing to an external storage device, such as a Fibre Channel storage device. This installation target is commonly used for enterprise-level system implementations, such as a diskless blade configuration. For more information , see Guidelines to Install Operating System to FC SAN Device.