/etc/idmapd.conf

Domain=localdomain

/etc/exports

/NFSv4      x.x.0.0/16(rw,no_root_squash,sync,insecure,no_subtree_check,nohide,fsid=0)
/NFSv4/home x.x.0.0/16(rw,no_root_squash,sync,insecure,no_subtree_check,nohide)

/etc/fstab

/home  /NFSv4/home  none  defaults,bind  0 0

/etc/idmapd.conf

Domain=localdomain

# grep -v '^#' /etc/sysconfig/nfs
USE_KERNEL_NFSD_NUMBER="4"
MOUNTD_PORT=""
NFS_SECURITY_GSS="no"
NFS4_SUPPORT="yes"
SM_NOTIFY_OPTIONS=""
NFS_START_SERVICES="yes"

/etc/fstab

host.name:/  /MOUNTPOINT  nfs4  defaults,intr,noauto,user  0 0