4. FILES › 5.2 VTS Component Files › 5.2.4 VTS Component HVT Information Area Files › 5.2.4.1 Hydra Vnode Device Activity File (HVTVDA)

5.2.4.1 Hydra Vnode Device Activity File (HVTVDA)

The Hydra Vnode Device Activity file contains statistics on
concurrent virtual device mount activity and channel
blocksize distribution.  It is derived from the IBM
Virtualization Engine TS7700 Series Statistical Data, type
20, Vnode Virtual Device Historical Record.  This record is
produced every 15 minutes.  In addition, this file also
contains a roll-up of the statistics from the HVTVAP file to
the Vnode level.
 
The following sections describe the file's organization, list
the data elements maintained, and provide usage hints.
 
    1 - HVTVDA File Organization
    2 - HVTVDA Data Elements List
    3 - HVTVDA Usage Considerations
    4 - HVTVDA Retrieval Examples