The staging code for
the MS SCOM and HP Reporter adapters is designed to read in only
those rows in the input database that were not previously staged.
Even though the staged table is overwritten each time a staging job
is executed, a record is kept of the data that was read. This ensures
that only new data is read when the staging job is run.
The duplicate-data control
data sets determine the raw data observations that should be staged.
If the duplicate-data control data sets do not exist when the staging
job is executed, then all of the data in the input database is staged.
The staging code for
the MS SCOM and HP Reporter adapters always uses the duplicate-data
control data sets so that only new data is staged. Therefore, the
duplicate-data checking option is always activated by default for
these adapters. All subsequent staging jobs that specify that adapter's
staging library location use that library's control data sets.
These duplicate-data control data sets subset the data for these adapters
as data is extracted from raw data tables.