First of all, thank you for your reply.
NFSv4 ACL support was enabled on the Netapp Filer. No problem using it.
The problem was that ACL entries were not preserved when copying or tar from source to Netapp filer.
My question is what file copying tools can preserve ACL
for example, when using cp --preseve=xattr , I get the following message
cp: setting attribute 'system.nfs4_acl' for 'system.nfs4_acl': Invalid argument
cm