114 Understanding the IBM TotalStorage Open Software Family
policy, the SAN File System automatically stores data on devices in storage
pools that are specifically created to provide the appropriate capabilities and
performance for how the data is accessed and used.
3.3.4 SAN File System architecture
The IBM TotalStorage SAN File System architecture makes it possible to bring
the benefits of the existing mainframe system-managed storage
(DFSMS) to the
SAN environment. Features such as policy-based allocation, volume
management, and file management have long been available on
IBM mainframe
systems. However, the infrastructure for such centralized, automated
management has been lacking in the open systems world of Linux, Windows,
and UNIX. O