Netapp filer was going to be replaced in clustering environment

Hello All,the existing NetApp filer is going to be replaced with a new virtual disk. the problem is its clustering environment of windows 2003 with two nodes in which sql server 2005 sp4 we are using.i don't know what to do if they replace with new virtual disks. please suggest do i need to rename the resources or any thing please guide me what are all the things i need to consider.