> Is the server exporting the mount point via NFSv3 or NFSv2? > > There is an issue with more recent RedHat based mount versions (since at > least FC1) not falling back to trying NFSv2 if the NFSv3 mount fails. > > Can you mount using '-o nfsvers=2' (using the CentOS4 mount binary) interesting... # mount -o nfsvers=2 /mnt/cvs/ works fine using the mount binary from the CentOS4 box - thanks for that tip