Slow disk detection method and device

A slow disk and detection process technology, applied in the computer field, can solve the problem of high misjudgment rate

Inactive Publication Date: 2014-05-21
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, the existing technology often judges a norma

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  • Slow disk detection method and device
  • Slow disk detection method and device

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] figure 1 It is a flow chart of Embodiment 1 of the slow disk detection method of the present invention, such as figure 1 As shown, the method of this embodiment may include:

[0023] Step 101, within the detection period, perform at least two slow disk event detections on whether each hard disk in the storage array is a slow disk, the det...

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Abstract

The embodiment of the invention provides a slow disk detection method and a slow disk detection device. The slow disk detection method provided by the invention comprises the following steps of: carrying out slow disk event detection for at least twice on the condition whether each hard disk in a storage array is a slow disk in a detection period; after the detection period is finished, acquiring times that a slow disk event occurs to each hard disk and determining the hard disks of which the times exceed a preset threshold into the slow disks, wherein the detection comprises the process of acquiring input output IO response time of each hard disk in the storage array, comparing the IP response time of each hard disk with a slow disk event judgment threshold and determining that the slow disk event occurs to the hard disks of which the IP response time exceeds the slow disk event judgment threshold, and the slow disk event judgment threshold is an average value of first m pieces of IP response time in the IP response time of the hard disks from big to small.

Description

technical field [0001] The embodiment of the present invention relates to computer technology, and in particular to a slow disk detection method and device. Background technique [0002] Due to the degradation of the magnetic head or other mechanical and environmental problems of the hard disk, the response time of the input / output (IO, Input / Output) of the hard disk will become longer and become a slow disk. [0003] In the storage array system, user data is stored in a series of hard disks in parallel. If a certain hard disk is slow, the overall read and write operations will slow down, and in severe cases, business interruption will occur. Therefore, it is necessary to detect each disk in the storage array in real time to determine the slow disk, so as to isolate or back up the slow disk in time. At present, the slow disk event is determined by comparing the IO response time of the hard disk with the slow disk event judgment threshold, and when the number of slow disk ev...

Claims

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Application Information

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IPC IPC(8): G06F11/16
Inventor 霍杰
Owner HUAWEI TECH CO LTD
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