Method for operating an IT system, and IT system
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Abstract
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.
35 Citations
24 Claims
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1-12. -12. (canceled)
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13. A method for operating an IT system (10) having at least one first processing unit (CM) and one second processing unit (SM) connected to one another and configured to jointly execute an application program, the first processing unit (CM) being assigned a first memory that stores a first program part of the application program, which can be executed by the first processing unit (CM), and the second processing unit (SM) being assigned a second memory that stores a second program part of the application program, which can be executed by the second processing unit (SM), the first processing unit (CM) and the second processing unit (SM) each being assigned an installation routine (SUC1, SUC2) configured to control updating of the first program part sad the second program part, the method comprising:
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assigning an actual state if ore a predefined set of possible states to the first processing unit (CM) and assigning a second actual state from the predefined set of possible states to the second processing unit (SM) on the basis of a state of the respective installation routine (SUC1, SUC2) and on the basis of respective updating progress of the first program part and of the second program part during updating of the application program; and after the system (10) has been restarted or as soon as successful storage of the first program part and of the second program part is identified or as soon as an error is identified when storing the first program part and/or the second program part, carrying out predefined processing steps respectively in a predefined order by the first processing unit (CM) and by the second processing unit (SM) on the basis of the assigned actual state of the first processing unit (CM) and the assigned second actual state of the second processing unit (SM). - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An IT system (10) comprising:
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at least one first processing unit (CM) and one second processing unit (SM) connected to one another and configured to jointly execute an application program, the first processing unit (CM) being assigned a first memory that stores a first program part of the application program, which can be executed by the first processing unit (CM), and the second processing unit (SM) being assigned a second memory that stores a second program part of the application program, which can be executed by the second processing unit (SM), the first processing unit (CM) and the second processing unit (SM) each being assigned an installation routine (SUC1, SUC2) configured to control updating of the first program part and of the second program part, wherein; the first processing unit (CM) is configured to assign itself an actual state from a predefined set of possible states on the basis of a state of the installation routine (SUC1, SUC2) assigned to it and on the basis of updating progress of the first program part during updating of the application program, the second processing unit (SM) configured to assign itself a second actual state from the predefined set of possible states on the basis of a state of the installation routine (SUC1, SUC2) assigned to it and on the basis of updating progress of the second program part during updating of the application program, and the first processing unit (CM) and the second processing unit (SM) are configured to respectively carry out predefined processing steps in a predefined order on the basis of the assigned actual state of the first processing unit (CM) and the assigned second actual state of the second processing unit (SM) after the system (10) has been restarted or as soon as successful storage of the first program part and of the second program part is identified or as soon as an error is identified when storing the first program part and/or the second program part. - View Dependent Claims (24)
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Specification