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Initialization method and system of redundant array of independent disks, equipment and medium

A redundant disk array and initialization method technology, applied in the storage field, can solve problems such as occupying device bandwidth and affecting device performance, and achieve the effect of improving performance and reducing the operating range

Pending Publication Date: 2021-11-09
SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the initialization method, the operation of filling the non-data area with 0 needs to operate all the hard disks in the non-data area. These write operations occupy the bandwidth of the device and affect the performance of the device.

Method used

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  • Initialization method and system of redundant array of independent disks, equipment and medium
  • Initialization method and system of redundant array of independent disks, equipment and medium
  • Initialization method and system of redundant array of independent disks, equipment and medium

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0043] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0044] According to one aspect of the present invention, an embodiment of the present invention proposes a method for initializing an independent redundant disk array, such as figure 1 As shown, it may include the steps of:

[0045] S1, using multi...

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Abstract

The invention discloses an initialization method of a redundant array of independent disks, which comprises the following steps of: forming the redundant array of independent disks by utilizing a plurality of hard disks, and constructing a plurality of logical volumes; in response to a received logical volume deletion instruction, determining a plurality of logical volumes to be deleted according to the deletion instruction; updating the plurality of logical volumes to be deleted into a first initialization bitmap, and setting the state of the plurality of logical volumes to be deleted in the first initialization bitmap as an uncompleted state; and sequentially performing initialization operation on the logical volumes to be deleted in the uncompleted state in the first initialization bitmap, and updating the uncompleted state of the corresponding logical volumes to be deleted into a completed state after the initialization operation is completed. The invention further discloses a system, computer equipment and a readable storage medium. According to the initialization method provided by the invention, a part of non-data areas are initialized, so that the operation range is reduced, and the performance is improved.

Description

technical field [0001] The invention relates to the field of storage, in particular to an initialization method, system, device and storage medium of an independent redundant disk array. Background technique [0002] When a hard disk in the array fails, the method of restoring data to an alternative hard disk is widely used as one of the means of data recovery, that is, a reconstruction operation. With the continuous expansion of array capacity, the amount of data reconstruction caused by hard disk loss continues to increase, and the time required to restore data continues to prolong. [0003] The idea of ​​only reconstructing the area actually used by the user is widely used. In this design, the array area is divided into data area and non-data area. The data area refers to the area where the user actually writes data, and the non-data area refers to the user does not write data. Or an area where the data is no longer valid. And only rebuilding the data area can restore t...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0632G06F3/0652G06F3/0689Y02D10/00
Inventor 朱红玉梁欣玲
Owner SUZHOU LANGCHAO INTELLIGENT TECH CO LTD
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