Storage system data consistency verification method and system, equipment and medium

A storage system and storage device technology, applied in the storage field, can solve problems such as I/O path shortening and data barriers

Pending Publication Date: 2021-11-05
济南浪潮数据技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

BlueStore takes over the raw device by itself so that it can bypass the local file system. It no longer needs to perform direct conversion between objects and files, but directly operates objects, which greatly shortens the I / O path of BlueStore and reduces the I / O delay. This is improved, but creates a barrier to getting the object's on-disk location to view the object's on-disk data
At present, there is no method to obtain the specific location of the object data under BlueStore on the disk

Method used

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  • Storage system data consistency verification method and system, equipment and medium
  • Storage system data consistency verification method and system, equipment and medium
  • Storage system data consistency verification method and system, equipment and medium

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Embodiment Construction

[0070] 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.

[0071] 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.

[0072] According to one aspect of the present invention, an embodiment of the present invention proposes a storage system data consistency verification method, such as figure 1 As shown, it may include the steps of:

[0073] S1, in response to rece...

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Abstract

The invention discloses a storage system data consistency verification method, which comprises the following steps of: in response to a received instruction for acquiring a storage position, determining the type of an engine of a storage system; in response to the fact that the type of the engine is the first type, obtaining metadata corresponding to the object according to the identifier of the object carried in the instruction; obtaining a logic address and a physical address corresponding to the object based on the metadata; returning the logic address and the physical address to the client sending the instruction to enable the client to directly obtain first data corresponding to the object on the storage device according to the logic address and the physical address; reading second data corresponding to the object through the storage system, and comparing the first data with the second data to verify the data consistency of the storage system. The invention further discloses a system, computer equipment and a readable storage medium. According to the scheme provided by the invention, whether the inconsistent data fails to be written into the hard disk or the disk data is correct but errors occur in the system reading process can be quickly delimited.

Description

technical field [0001] The invention relates to the field of storage, in particular to a storage system data consistency verification method, system, device and storage medium. Background technique [0002] The distributed storage system will define an abstract object storage engine called ObjectStore. This storage engine will provide local object storage services that are indistinguishable and consistent with transaction semantics for different types of storage media. FileStore and BluesStore are both specific types of ObjectStore. accomplish. [0003] In the development and actual application of distributed storage systems, it is often necessary to know the actual location of object data written to the disk and to obtain the data of the object on the disk, such as checking the objects read through the storage system when locating data inconsistencies Whether the data is consistent with the object data obtained directly from the disk can quickly demarcate whether the incon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0619G06F3/067
Inventor 张洪鑫孟祥瑞
Owner 济南浪潮数据技术有限公司
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