Data backup method and device and medium

A data backup and backup technology, which is applied in multi-programming devices and redundancy in calculations for data error detection, response error generation, etc., can solve the problems of untimely data backup, data loss, and affecting data backup efficiency, etc. , to achieve the same effect as above, improve backup efficiency, and prevent untimely backup

Pending Publication Date: 2022-07-08
济南浪潮数据技术有限公司
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Problems solved by technology

[0003] However, when there are multiple target storage volumes that need to be backed up at the same time, the data of each target storage volume can only be backed up sequentially through the thread where the timer is located, which affects the data backup efficiency, and the backup time of each storage volume is too long. Data backup is not timely, which may easily lead to data loss

Method used

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  • Data backup method and device and medium
  • Data backup method and device and medium
  • Data backup method and device and medium

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Embodiment Construction

[0051] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative work fall within the protection scope of the present application.

[0052] The core of the present application is to provide a data backup method, device and medium to prevent data loss due to untimely data backup.

[0053] In order to make those skilled in the art better understand the solution of the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0054] In the data backup scenario, the timer thread is ...

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Abstract

The invention relates to the field of computer storage, and discloses a data backup method and device, and a medium, and the method comprises the steps: obtaining the number information of to-be-backed-up data volumes, so as to determine the number of threads in a thread pool according to the number of the to-be-backed-up data volumes, establish the thread pool, and reduce the waste of computing resources through enabling the number of the threads to be positively correlated with the number information. If the current time meets the backup time of any data volume to be backed up, calling a thread to obtain the working state of a target data volume; and if the working state meets a preset condition, calling a thread to back up the target data volume. The threads in the thread pool are called by the timer to execute the working state and the backup task, so that a plurality of threads can execute the backup work at the same time, and data damage caused by untimely backup is prevented. According to the method, the multiple threads in the thread pool are called through the timer to concurrently execute the data backup work, so that the data volume backup efficiency is improved, and data loss caused by untimely backup is prevented.

Description

technical field [0001] The present application relates to the field of computer storage, and in particular, to a data backup method, device, and medium. Background technique [0002] In a storage system, in order to prevent data loss in the system due to factors such as equipment failure, data needs to be regularly backed up to other storage devices (such as hard disks) or the cloud. A thread with a timer is usually used to perform data synchronization of all storage volumes. When the time set by the timer is satisfied, the thread performs a data backup task to back up the data in the target storage volume. [0003] However, when there are multiple target storage volumes that need to be backed up at the same time, the data of each target storage volume can only be backed up in sequence through the thread where the timer resides, which affects the data backup efficiency. If the data backup is not timely, it is easy to cause data loss. [0004] It can be seen that how to pro...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F9/50
CPCG06F11/1461G06F9/5038G06F2209/5011G06F2209/5018
Inventor 郎占坡穆向东
Owner 济南浪潮数据技术有限公司
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