5. FILES › 5.2 HAR Information Area Files › 5.2.4 Device Activity File (HARDVA)

5.2.4 Device Activity File (HARDVA)

The Device Activity File quantifies the utilization of
individual device addresses in terms of I/O, percent busy,
average queue length to the device, etc.  There is one record
for each unique device address on each CPU.  This file is
typically used when reporting detailed activity for each
device.
 
This file is derived from the RMF Device Activity record,
type 74.

The following sections describe the file's organization, list
the data elements maintained, and provide usage hints.

    1 - File Organization
    2 - Data Elements List
    3 - Usage Considerations
    4 - Retrieval Examples