We have two designs.

1. VM hosts access Oracle DB's on NFS@VNX (volumes) directly on the storage. VM and NFS volumes where DBs are located are on separated NFS volumes

2. VM hosts access Oracle DB's created on VM disk in the same NFS datastore/volume

Can anybody please share any pros and cons between these two designs? We seems experiencing performance issues with 2nd option, Any explanation on that?

Thank you!