216 Understanding the IBM TotalStorage Open Software Family
such as tape vaulting, are daily processes that your business relies on in case of
a disaster.
5.2 Hierarchical Storage Management
Hierarchical Storage Management (HSM) provides an automatic and transparent
way of managing and distributing data between different storage layers to meet
the user needs for accessing data while minimizing the overall cost. In Tivoli
Storage Manager, there are two types of functions that are sometimes referred to
as hierarchical storage management. The first type is the HSM that the Tivoli
Storage Manager server uses in its storage pools to move automatically move
data from one type of storagepool media to another. The second type is the HSM
that runs on ...