Controller status-monitoring device and method

Abstract

The invention discloses controller status-monitoring device, which consists of an information acquisition module, a self information storage module, an information synchronization module and a peer information storage module. The invention also provides a controller status-monitoring method, which can acquire and synchronize the information of each component of a controller to a peer controller and receive the information of each component of the peer controller synchronized by the peer controller, so that two or more controllers can monitor the information of each component of one another. The adoption of the device and the method can ensure that two or more controllers can monitor the information of each component of one another, thus preventing the following problem that: since the failure of the components of the peer controller cannot be timely discovered, the performance of a disk array is affected, and even the storage operation is interrupted.

Description

technical field [0001] The invention relates to disk array technology, in particular to a controller state monitoring device and method. Background technique [0002] The disk array includes multiple hard disks, and the controller centrally manages each hard disk to complete the read and write operations on the disk array. Usually two or more controllers are set up in a disk array, and these controllers cooperate to manage each hard disk. When one or several of the controllers fail, the tasks they are responsible for can be transferred to other controllers. processing to avoid the interruption of the operation of the disk array due to the failure of the controller, thereby improving the reliability of the disk array; and when the controller returns to normal, the previously transferred tasks are returned to the controller for processing, All the controllers of the entire disk array can cooperate to process tasks, avoiding the long-term burden of one controller on the tasks ...

AI Technical Summary

Problems solved by technology

[0007] In view of this, the main purpose of the present invention is to provide a controller state monitoring device and method, so that two or more controllers can monitor the information of each component of each other, thereby avoiding failure of components of the other controller due to failure to be found in time, However, it affects the performance of the disk array and even causes the interruption of storage operations.

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