text: **5.2.4 Storage set definition**
  
  A*storage set*can contain one or more primary storage nodes. A*primary storage node*is 
  used to manage reports and resources that are stored in an application group. A*storage node*
  is associated with a specific Content Manager OnDemand object server. When Tivoli Storage 
  Manager is used for archive storage, each storage node that is associated with storage that is 
  managed by Tivoli Storage Manager must be registered as a client node in a Tivoli Storage 
  Manager policy domain. The Tivoli Storage Manager policy domain properties determine the 
  type of storage devices that are used to maintain the archived data and the length of time that 
  the data is maintained. 
  
  Content Manager OnDemand systems can be set up to run as cache-only hard disk drive 
  systems with no migration of the data or indexes, or with an archive system that uses Tivoli 
  Storage Manager to maintain and manage the archive of Content Manager OnDemand 
  documents and indexes over a predetermined period. 
  
  When Content Manager OnDemand is installed and the system is initialized, a default 
  cache-only storage set is created. Additional cache storage sets can be defined. Storage sets 
  that are associated with Tivoli Storage Manager client nodes that are tied to specific 
  management policies on the Tivoli Storage Manager servers are used for long-term archive 
  storage. 