OPTIC DL Deployment error

Hello Team,

We have small environment for deployment of OPTICDL, We are using OPTICDL just replacement of NPS.

We have 1 is Master Control plane , 2 is for Worker nodes, 3 is for Vertica Database.

all pre-requisite is pass.

Now i have create config.json file on master sever.

Actually we have /NFS shared drive on master server like both are on same server. 

When we exicute the command  ./install -c config.json --nfsserver nfsfolder /NFS

But gutting error. FATEL :Check NFS "" error.

Failed: cannot mount /NFS

Could you help on this, why is getting error.