If the Clients have already been configured properly, i,e only keep 
storagenode name in preferences, or aleast first on the list.
Try, placing all localy defined drives in service mode temporarily, this 
would force the use of drives on the storage node.
make sure the drivers on storage node are properly loaded, try MT cmd to 
verify drive funtionality on the storagenode.
Also, during jbconfig, take a look at your output and see if you had 
defined the sn correctly, i.e Dedicated=no if you want to backup other 
networker clients and load balance and Dedicated sn=yes if otherwise, it 
will also depend on licences you have purchased, by the way check your 
licences also.

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