text: Each object server can have multiple storage subsystems of different types: 
  
  (cid:2) Cache: The cache storage subsystem is controlled directly by the object server. Data is 
  
  written to and read directly from cache. Cache consists of one or more cache file systems. 
  Each cache file system can be mounted on a different device in its own directory. Each 
  device can be placed on its own independent I/O interface/channel. Content Manager 
  OnDemand does not impose a limit on the number of devices. 
  
  (cid:2) IBM Tivoli Storage Manager: Tivoli Storage Manager is an archive storage subsystem. 
  The Content Manager OnDemand object server sends data to and requests data from 
  Tivoli Storage Manager. Each Tivoli Storage Manager server can be installed on its own 
  system (for example, an AIX server). The Content Manager OnDemand object server 
  allows the connection of multiple Tivoli Storage Manager servers. So, for example, if the 
  Content Manager OnDemand object server is an AIX system and the data that is 
  managed by that object server is stored in three Tivoli Storage Manager archives (all of 
  which are AIX systems), the total processing capacity for that object server is four AIX 
  systems. Each of the AIX systems can be configured with as many processors, memory, 
  disks, and I/O as needed, up to its architectural limitation. If more capacity is needed, 
  more Tivoli Storage Manager servers or object servers can be added. 