check that the NFSv4 server is indeed running

server_nfs server_2 -v4
server_nfs server_2 -stats

then check from the client using "rpcinfo -p if you can see v4 registered

what DART version are you running ?

if you enable NFS4, clients that do not support NFSv4 will still be able to connect via v3 ?

Do you export the root of the datamover to the linux host?




I would assume, this is a issue of the linux host, which OS Version are you using?

From Configuring NFS on Celerra:

Normally a file system is exported to all versions of the NFS protocol. Access to a file system
can be restricted by setting the nfsv4only option.
When a file system is exported with the nfsv4only option, but the NFSv4 service is not
enabled by setting the hivers option for the nfs start command in the netd file, the problem
is logged and the export continues. Although the export does not fail, access through NFSv2
and NFSv3 as well as NFSv4 is blocked.

thank you Rainer