Currently - SRM counts disks at the clustered controller level. With MetroCluster, a 'cluster of clusters' - it ends up counting shared disks 2x because it counts them at the individual controller level. This makes the expensive SRM license TWICE as expensive.
The DB has the correct number of physical disks in it, the SRM license manager thinks it's double that, because each of the two controller clusters see's the same shared disks.
SRM should count the disks differently, like using the DB to just count the physical disk entities and nevermind what the different layers of the cluster see.
A disk is a disk, and that's what the license is based on, and it shouldn't matter how many controllers can see the same disk.