What can you delete to free up disk space in IBM InfoSphere Information Server when disks are becoming full? What to do ???? Here are some things you can do to clean up space: Clear the &PH& file in the Project directory. There is a &PH& directory in each DataStage project directory, which contains information about active stages that is used for diagnostic purposes. The &PH& directory is added to every time a job is run, and needs periodic cleaning out. To clear the file from within DataStage: Ensure there are no DataStage jobs running anywhere on the system by running "ps -ef | grep dsrpc" From the DataStage Administrator, go to the Projects page, select the project whose file you want to clear and click the Command button. The Command Interface dialog box opens. Type the following into the command field: CLEAR.FILE &PH& (all uppercase) Click Execute to run the command and clear the file. For additional information, go to Command ...