...
Special attention must be given to Delft-FEWS systems that have a duty-standby set-up. The amalgamate module will only amalgamate workflows that are run on the MC where the amalgamate module is scheduled on. In standard duty-dtandby standby systems the import and data processing tasks are run on both MC's. Also the amalgamate modules (database maintenance workflows) must be scheduled to run on both MC's. This is specially relevant when some of the imported data is synchronised between the MC's. . Import, processing and database maintenance workflows may never be run in failover mode.
There has been a change in the Delft-FEWS code since April 2016, when the check on MC's is introduced.
...