Method, device and system for inspecting data in storage devices
A storage device and data technology, applied in the direction of internal/peripheral computer component protection, etc., can solve problems such as read and write business impact, storage device data failure, hard disk performance impact, etc., to avoid frequent inspections, reduce erasure times, The effect of avoiding data loss
Active Publication Date: 2016-12-07
HUAWEI TECH CO LTD
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Problems solved by technology
[0005] In the process of realizing the above-mentioned patrol inspection of the data in the storage device, the inventor found that at least the following problems exist in the prior art: since the patrol inspection will re-write the storage device, the length of the patrol inspection cycle directly affects the number of times of erasing and writing. The performance of the hard disk has a great influence
If the inspection is too frequent, it will affect the read and write performance of the storage device, and affect the ongoing read and write services on the storage device; if the inspection is less, it may cause the risk of data failure in the storage device
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[0066] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.
[0067] The storage device described in this specification refers to a device with Nand Flash, such as a solid state drive (Solid State Drive, SSD). The method of the present invention is mainly applied in the inspection process of the data in the storage device with Nand Flash. like figure 1 In the application scenario shown, the control unit is connected to multiple storage devices and is responsible for executing the inspection process. The control unit may cont...
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The invention discloses a method, a device, and a system for inspecting data in a storage device, which relate to the field of electronic equipment and are capable of adjusting inspection period reasonably, so that the performance of the storage device cannot be influenced excessively and the effectiveness of data in the storage device also can be ensured. The method disclosed by the invention mainly comprises the following steps: obtaining the erased time of the storage device; determining the time interval of inspection according to the erased time; and inspecting the data in the storage device according to the time interval of inspection. The embodiment of the invention is mainly used in the process of inspecting data in the storage device.
Description
technical field [0001] The present invention relates to the field of electronic equipment, in particular to a method, equipment and system for patrolling data in a storage device. Background technique [0002] With the development of electronic technology, storage devices for storing electronic data have become an indispensable product in people's life and work, especially storage devices with fast access speed and good shock resistance. For example, solid state drives (Solid State Drive, SSD) that store data through electricity and other storage devices that use flash memory particles (NandFlash). At the same time, how to prolong the service life of storage devices is also an important research topic in the industry. [0003] Storage devices usually store data through electricity, and after data is written to the hard disk, the electricity will slowly drain over time, resulting in data decay and the risk of data loss. As the number of times the storage device is erased an...
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IPC IPC(8): G06F21/78
Inventor 乐阳林春恭
Owner HUAWEI TECH CO LTD