1.6.6 - how to use a NFS mount as disk?

[Mfsav2]

On previous images once the NFS mount was created it was automathically assigned for recordings.
On 1.6.6 it does not happen... how can I force the share to be used for recordings?
Mf

 

[Mfsav2]

Solved
the blackhole mount manager does not allow to do it but the original mount manager does