Len wrote: If this url does not work try the following: http://publib-b.boulder.ibm.com/Redbooks.nsf/RedpieceAbstracts/sg246277.html?Op en or http://www.redbooks.ibm.com/redpieces/pdfs/sg246277.pdf len Aaaagh Len is right. I mistakenly used the IBM Intranet address (which is a mirror of the external site but not of course accessible outside IBM). Apologies everyone Regards, Charlotte Project Leader, Tape and Storage Management solutions, ITSO Almaden Email: lotti AT us.ibm DOT com Ph: (408) 927-3641 Fax: (408) 927-3616 T/L: 8-457-3641 http://ibm.com/redbooks