METHOD FOR OPERATING AN IT SYSTEM, AND IT SYSTEM

摘要

An IT system includes at least one first processing unit and one second processing unit The first and second processing units jointly execute an application program and are each associated with an installation routine designed to control updating of a first or second program part of the application program. A first actual state is associated with the first processing unit and a second actual state is associated with the second processing unit. After system reboot, or as soon as the first and second program part have been successfully stored, or an error is detected when storing the first and/or second program part, predefined processing steps are respectively carried out in a predefined order by the first processing unit aid the second processing unit depending on the actual state of the first processing unit and the actual state of the second processing unit.