Adding a HDD to host for use of a single VM

Hello,

I am creating a VM on RHEV that will be installed with Redhat Satellite, however as Sat requires 50GB (this will just be a demo install) I need to add more space to the host as I don't have the resources on the RHEV-Manager.

I have slid-in a new HP HDD (the host is a DL380) but as the RHEV Host is read-only, I don't know how I will do the NFS export (this is the method I have used for data and iso domains on local HDD of the server that runs RHEV-Manager). Will it be possible to add this new HDD on the RHEV host specifically for the (vm) Satellite server? And if so, how should I add this new drive?

Any assistance is as ever appreciated.