Method for clearing disk space

A disk space and space technology, applied in electrical components, transmission systems, input/output to record carriers, etc., can solve the problems of inconsistent user habits, low data security, limited data availability, etc., and achieve good user performance. Use experience, prevent data from being stolen, and save local storage space

Inactive Publication Date: 2012-01-25
北京兴宇中科科技开发股份有限公司
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  • Application Information

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Problems solved by technology

However, there are the following problems in cloud storage in practical applications: 1. Low data security: user data may be leaked; 2. Data availability is limited: consid

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  • Method for clearing disk space
  • Method for clearing disk space

Examples

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Example Embodiment

[0071] The invention provides a disk cleaning method, which is suitable for disk space cleaning of portable cloud storage, can effectively save local storage space, and greatly utilize limited portable storage resources. The portable cloud storage method uses a portable cloud storage device with a certain storage capacity as a disk to provide users with high-speed and fast massive virtual storage space, while a remote cloud storage server provides users with a more efficient and reliable mass storage platform. All user data are stored in portable cloud storage devices and remote cloud storage servers, no data is stored on the local host, and no temporary files are generated locally during use. The data stored in the portable cloud storage device is all encrypted, and the user's identity must be verified before the data can be read and written normally, which increases the security of the user's data reading and writing process.

[0072] Portable cloud storage methods such as ...

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Abstract

The invention provides a method for clearing disk space, and is suitable to clear the disk space of portable cloud storage. In a system comprising a portable cloud storage device, a host machine and a remote cloud storage server, the method comprises the following steps of identifying whether the file opened by a user is in a queue, wherein the queue is a filename queue used for saving the names of the files used by the user recently; if so, deleting the filename from the queue and executing the next step; if not, executing the next step; placing the filename in the end part of the queue; identifying whether the usage space of the currently used disk reaches or exceeds the preset clearing threshold, if so, executing the next step, if not, returning to finish; finding the file satisfying the preset condition according to the presetting rule, clearing one by one until the usage space of the currently used disk is smaller than a preset end clearing threshold. With the adoption of the method and the matched portable storage device and the remote cloud storage server, the local storage space can be effectively saved, the limited portable storage resource can be greatly utilized, and thus, the storage efficiency of the cloud storage can be increased.

Description

technical field [0001] The present application relates to a disk space cleaning method, in particular to a disk space cleaning method of a portable cloud storage device. Background technique [0002] In traditional storage, because data only exists on local devices, users cannot access data remotely; at the same time, users who have certain requirements for data disaster recovery levels need to spend a lot of money to purchase professional storage equipment and build complex and difficult-to-maintain storage systems. Cloud storage, through cluster applications, grid technology or distributed file systems, integrates a large number of different types of storage devices in the network to work together through application software, and jointly provide data storage and business access functions to the outside world. Then it solves the problems of users' remote data access and data disaster recovery. However, there are the following problems in cloud storage in practical applica...

Claims

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Application Information

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IPC IPC(8): H04L29/06G06F3/06H04L29/08
Inventor 徐涛郭松柳
Owner 北京兴宇中科科技开发股份有限公司
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