>I need a query that shows  how many days that a node doesn't  backup or
archive.
>It is very different, to ask how many days  that a node is not connecting
the Server of ADSM .

Juan - You can do Query FIlespace F=D, or the equivalent Select on the
       Filespaces table, and determine when the last backup was done.
Another approach is to delve into the Archives and Backups tables,
though that's more voluminous.
 Richard Sims, BU