4. FILES › 5.2 VTS Component Files › 5.2.4 VTS Component HVT Information Area Files › 5.2.4.10 Hydra Cluster Summary File (HVTHCA)

5.2.4.10 Hydra Cluster Summary File (HVTHCA)

The Hydra Cluster Summary file contains a summarized roll-up
of statistics from all the Vnode and Hnode work files to
provide a view of all I/O, cache usage, and virtual and
physical tape activity at a tape server cluster level. This
record is produced for every 15-minute measurement interval.
 
The following sections describe the file's organization, list
the data elements maintained, and provide usage hints.
 
    1 - HVTHCA File Organization
    2 - HVTHCA Data Elements List
    3 - HVTHCA Usage Considerations
    4 - HVTHCA Retrieval Examples