Chapter 7 HPSS User Interface Configuration
438 September 2002 HPSS Installation Guide
Release 4.5, Revision 2
Figure 7-1DFS/HPSS XDSM Architecture
7.6.2.4 XDSM Implementation for DFS
The XDSM implementation supported by Transarc is called the DFS Storage Management Toolkit
(DFSSMT). It is fully compliant with the corresponding standard XDSM specification. In addition,
itprovides optional features: persistent opaque Data Management (DM) attributes, persistent event
masks,persistent managed regions, non-blocking lock upgrades and the ability to scan for objects
with a particular DM attribute.