Companycom has a p690 and currently has eight LPARs. They have purchased a p5 590 and wish to migrate their eight LPARs to the new server. The LPARs are running either AIX 5.2 or AIX 5.3 with the current maintenance. What is the LEAST disruptive method for this activity?（）

• A、New install of AIX
• B、Migrate the 7040-61D
• C、Utilize alt_disk_install
• D、Use the enterprise back up strategy