-None of the DSS versions allow you to use the boot media in the storage array.Originally Posted by SophInfra
-should the boot media fail, it is far faster and easier to use a boot cd, or bootable USB thumb drive to get you back up and running, while you figure out your problems.
-Yes, older configs can be restored to newer versions of DSS, in the same box. This is normal, and is done for example, when users upgrade from version5 to version6.