Thnks:
1. I will shutdown the server and unmap the two system LUNs (boot and pagefile)
Example: cluster1::> lun mapping delete -vserver vs1 -path /vol/vol1/lun1 -igroup ig1
2. Create new igroup (i.e. sqlboot_n1 and n2)
3. Map system LUNs to new igroup.