Slow disk detection method and device, computer readable storage medium

Abstract

The invention discloses a slow disk detection method and device and a computer readable storage medium, and belongs to the field of cloud storage security. The method comprises the steps of obtaininga training set comprising a plurality of IO data of a hard disk; executing x times of training processes on the training set, wherein the training process comprises the following steps: obtaining m IOdata from the training set, for each IO data, obtaining k IO values closest to a target IO value in the IO data from the first search space, determining a target statistical value corresponding to the IO data based on the target time delay value corresponding to the target IO value and the k time delay values corresponding to the k IO values, and determining cumulative distribution functions corresponding to the m IO data according to the m target statistical values corresponding to the m IO data; determining a target threshold value based on x cumulative distribution functions obtained in xtraining processes; and based on the target threshold and the training set, performing slow disk detection on the hard disk according to the real-time IO data of the hard disk. The target threshold value is determined through the IO value and the time delay value in the IO data, and the problem of low accuracy of slow disk detection is solved.

Description

technical field [0001] The present application relates to the field of cloud storage security, in particular to a slow disk detection method and device, and a computer-readable storage medium. Background technique [0002] Due to hardware and environmental problems such as magnetic head aging, magnetic degradation, bad sectors, fragmentation, vibration, and energy-saving design, the hard disk will lead to deterioration of read and write performance, longer input / output (IO) response time, and then become a slow disk. This phenomenon is called slow disk phenomenon. In the cloudification scenario, in addition to hardware and environmental problems, the hard disk may also become a slow disk due to the impact of IO data on the application layer, resulting in longer IO response time. The cloudification scenario can be divided into three layers, including from the bottom layer to the upper layer: Infrastructure-as-a-Service (IaaS) (abbreviation: I layer), Platform-as-a-Service (P...

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application provides a slow disk detection method and device, and a computer-readable storage medium, which can solve the problem of low accuracy of slow disk detection in the related art

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