By default, the Data Integration Service writes the Mapping task log file in the directory defined by the system parameter, LogDir. An administrator can change the LogDir path in the Administrator tool.

You can configure a different directory for the Mapping task log file in the Mapping task

Advanced

properties. If you enter a directory name that the Data Integration Service cannot access, the Mapping task fails.

When you run a workflow on a grid, the mapping task log directory is created on the machine where the Data Integration Service master node is running. Configure the mapping task log file directory on a shared directory that all nodes on the grid can access.