An AIX 5.3 customer has a Power 780 in a 2-meter （T42） rack. This rack needs to be moved six inches （15cm） to allow under-floor access.   What preparation for moving the rack will result in the least disruption to end-users？（）

• A、Initiate LPAR fallover to backup systems.
• B、Use Live Partition Mobility to move the LPARs to other systems.
• C、Use Live Application Mobility to move critical applications to alternate systems.
• D、Back up all LPARS to a NIM server and restore them to other LPARs on other systems.