Controller status-monitoring device and method
A state monitoring device and controller technology, which is applied in the direction of hardware redundancy for data error detection and response error generation, can solve problems such as interruption of storage operations and affecting performance of disk arrays, so as to avoid CPU busyness and save energy. resource effect
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[0033] The basic idea of the present invention is to enable two or more controllers to monitor each other by synchronizing the obtained information of each component of the controller to the other controller, and receiving the information of each component of the other controller synchronized by the other controller. The information of each component, so as to avoid the failure of the components of the other controller that cannot be detected in time, which will affect the performance of the disk array and even cause the interruption of storage operations.
[0034] Its own controller can simultaneously monitor one or more other controllers independently of each other. In this paper, the opposite controller refers to any other controller except the own controller.
[0035] The structure of the controller state monitoring device in the embodiment of the present invention is as follows: figure 1 As shown, it includes: an information acquisition module, a self-information stora...
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