Important note for CC-SG virtual appliance upgrades to Release 9.0:
Customers upgrading to Release 9.0 with CC-SG virtual appliances upgraded from previous releases (5.x or 6.x), may have two hard drives as a result of these prior upgrades. Before upgrading to 9.0, the original (older) hard drive (disk 1) must be removed.

For further details, please review the information here and contact Raritan Technical Support for additional information.