## export the data dir rw for everyone
/mnt/data   *(rw,all_squash,anonuid=0,anongid=0,no_subtree_check,crossmnt,fsid=1)

## export the data dir ro
#/mnt/data	*(ro,async,no_subtree_check,crossmnt,fsid=1)

## export a dir of a harddisk rw
#/data/tv/tv0   *(rw,all_squash,anonuid=0,anongid=0,no_subtree_check)

## export a dir of a harddisk ro
#/data/tv/tv0	*(ro,async,no_subtree_check)