34 Understanding the IBM TotalStorage Open Software Family
resource utilization of the installed tape drives. Thus, the investment in enterprise
storage equipment is protected in a better way than dedicating single libraries to
each IBM Tivoli Storage Manager server.
But the implementation of tape library sharing introduces a further level of
complexity as well. Scheduled operations have to be balanced through all
attached IBM Tivoli Storage Manager servers. Otherwise, the library manager
and the library itself would be overloaded with requests, and some operations
may fail because of timeouts or denials of device requests. Additionally, the
library manager becomes the central and most important IBM Tivoli Storage
Manager server. If this machi ...