| 摘要 |
In a telecommunications or data processing system having at least one active control unit and at least one redundant passive control unit that are respectively provided with at least one memory unit, the following operations are performed: (a) a mirroring routine is invoked when a virtual memory region in a memory unit of an active control unit, having a memory content that is to be mirrored to a memory unit of the at least one redundant passive control unit, is accessed by writing; (b) during execution of the mirroring routine, the memory content to be written is copied into a memory region in the memory unit of the at least one redundant passive control unit; and (c) the writing access to the active control unit, which has led to the invocation of the mirroring routine, is repeated in the mirroring routine, on another virtual memory region that is imaged onto the same address as the memory region.
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