if you are using NFS export on Linux box, make sure it is with NFS export. Alternatively you can check if you are able to access NAS volume on other ESXi server or any other server.
This will help you to narrow down the problem
if you are using NFS export on Linux box, make sure it is with NFS export. Alternatively you can check if you are able to access NAS volume on other ESXi server or any other server.
This will help you to narrow down the problem