Any slot containing a barcode of CLNxxxx will be treated as a cleaning tape
and will not be mounted.
+\subsection*{Changing Cartridges}
+\index[general]{Changing Cartridges }
+\addcontentsline{toc}{subsection}{Changing Cartridges}
+If you wish to insert or remove cartridges in your autochanger or
+you manually run the {\bf mtx} program, you must first tell Bacula
+to release the autochanger by doing:
+
+\footnotesize
+\begin{verbatim}
+unmount
+(change cartridges and/or run mtx)
+mount
+\end{verbatim}
+\normalsize
+
+If you do not do the unmount before making such a change, Bacula
+will become completely confused about what is in the autochanger
+and may stop function because it expects to have exclusive use
+of the autochanger while it has the drive mounted.
+
+
\label{Magazines}
\subsection*{Dealing with Multiple Magazines}
\index[general]{Dealing with Multiple Magazines }