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Broad-strip disk array based on asymmetric hybrid type disk image and storage method of broad-strip disk array

A technology of disk mirroring and disk array, which is applied in the direction of response error generation, redundancy in operation for data error detection, input/output to record carrier, etc. It can solve the problem of high unit price, achieve low implementation cost, optimize The effect of improving writing performance and reliability

Active Publication Date: 2015-07-15
南京道熵信息技术有限公司
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  • Application Information

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Problems solved by technology

MR-based SSDs and RRAM-based SSDs offer higher performance than SSDs but are more expensive per unit

Method used

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  • Broad-strip disk array based on asymmetric hybrid type disk image and storage method of broad-strip disk array
  • Broad-strip disk array based on asymmetric hybrid type disk image and storage method of broad-strip disk array
  • Broad-strip disk array based on asymmetric hybrid type disk image and storage method of broad-strip disk array

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Embodiment Construction

[0031] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0032] A wide-stripe disk array based on asymmetric hybrid disk mirroring disclosed in the embodiment of the present invention includes at least two physical storage pools, each physical storage pool is composed of the same storage medium, and the disk array contains at least two different storage media . Currently the most typical storage media are mechanical hard drives and solid state drives (flash memory, magnetoresistive memory or resistive memory). Among them, the mechanical hard disk uses ...

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Abstract

The invention provides a high-performance and high-reliability broad-strip disk array based on an asymmetric hybrid type disk image and a date storage method of the broad-strip disk array, in order to overcome the limitation of an existing RAID (Radio Array OF Independent Disks) technology to a storage medium and a storage space of each sub-disk. The disk array comprises at least two physical storage pools, wherein each physical storage pool consists of the same storage medium; the disk array at least comprises two different storage media; disks using at least two storage media constitute an image disk in an image manner; a plurality of image disks constitute a wide-strip image group; the disk array also comprises a controller which is in data connection with each physical storage pool and is used for controlling writing-in and reading of data, wherein the data are stored in at least two physical storage pools when the data are written in, and the data are read from the physical storage pool with relatively high reading speed when the data are read.

Description

technical field [0001] The invention relates to a wide-strip disk array based on an asymmetric hybrid disk image and a data storage method of the disk array, belonging to the technical field of data storage and processing. Background technique [0002] Traditional high-performance and high-reliability computer storage systems rely on RAID, that is, Redundant Array of Inexpensive Disks. The Chinese abbreviation is Redundant Array of Inexpensive Disks. RAID is a combination of multiple independent hard disks (physical hard disks) in different ways to form a hard disk group (logical hard disk), thereby providing higher storage performance and data backup technology than a single hard disk. The different ways to form a disk array are called RAID levels (RAID Levels). The function of data backup is that once the user data is damaged, the damaged data can be recovered by using the backup information, thereby ensuring the security of the user data. From the user's point of view,...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F11/14
Inventor 胡晓宇
Owner 南京道熵信息技术有限公司
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