In this HowTo I will do my best to introduce you to the Solaris Live Upgrade process. Recently, I have had to do this quite a bit and I figured why not and just write up a quick HowTo on this subject. As a few of you already know I am not a fan of OpenSolaris, though as of recent I am starting to get drawn into it.
One thing about the Live Upgrade process is that it allows you to have multiple BE’s ( Bootable Environments ). This is so cool, since this allows you to have a CLEAN BE and the others to Test/Destroy/…Whatever. First things first you need to make sure that you have at least one available partition that is big enough to to transfer your current environment and enough space to do the Live Upgrade as well as have the OpenSolaris Express Image. OK, lets get into the Live Upgrade process….