Before adding the second hard disk, power off CC-SG in the Diagnostic Console. Choose Operation > Admin > CC-SG System Power OFF.
Login to vCenter and select the CC-SG virtual machine.
Right click Edit Settings on your virtual CC-SG to open the Virtual Machine Properties.
Click Add.
Select Hard Disk then click Next.
Select "Create a new virtual disk" then click Next.
Type 40 in Disk Size then click Next. The disk size must be 40.
Select SCSI(0:1) in Virtual Device Node then click Next.
Click Finish then click OK. You should see Hard disk 2 if you look in the Virtual Machine Properties again.
Power on the CC-SG virtual machine from vCenter.
Upgrade the CCSG with version 6.x upgrade file. The upgrade should take 30-40 minutes. After upgrade is finished, verify the upgrade is successful. You can then delete the old hard disk in vCenter if you want to save space.