Megatest

	   (match
	    entry
	    ((dname path)
	     (print "Disk " dname " at " path " writeable: "
		    (if (check-write-create path) "yes" "NO")))
	    (else (print "bad entry: " entry))))
	 (hash-table-ref/default cdat "disks" '()))))
	

  (print "Have link tree and it is writable: "
	 (if (and (file-exists? "lt")
		  (check-write-create "lt"))
	     "yes"
	     "NO"))
  ;;    check load on homehost
  ;;    each run disk read/write
  ;;    link tree writeable
  )
  
)