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Implementation method of disk arrays based on mixed media

A technology of disk array and mixed media, applied in the field of storage, can solve the problems that cannot fully meet the needs of ever-changing storage

Inactive Publication Date: 2017-10-24
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing disk array methods can no longer fully meet the ever-changing storage needs in some aspects, and the emergence of mixed-media storage arrays has brought new directions to disk array storage.

Method used

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  • Implementation method of disk arrays based on mixed media
  • Implementation method of disk arrays based on mixed media
  • Implementation method of disk arrays based on mixed media

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Embodiment Construction

[0023] The invention provides a method for realizing a disk array based on mixed media. The front end of the processor platform uses an expansion network card to interconnect with an external server, and expands the SSD through PCIe conversion. The back end uses a SAS HBA card to connect to a SAS switch, and the SAS switch is connected to a JBOD cabinet to provide Disk devices, and then connect the SSD Cache to the disk array through PCIe expansion.

[0024] At the same time, it provides an implementation system of disk array based on mixed media, including storage controller, SAS switch, JBOD cabinet,

[0025] Among them, the storage controller uses the expansion network card on the front end of the processor platform to connect with the external server, and expands the SSD through PCIe conversion. Access disk arrays through PCIe expansion.

[0026] The present invention will be further described in conjunction with the accompanying drawings and specific implementation.

[...

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Abstract

The invention discloses an implementation method of disk arrays based on mixed media, and relates to storage field. According to the method, front-end interfaces are mutually connected with external servers through an extension network card, a rear-end device comprises a low-speed disk system and is connected with an SAS (serial attached SCSI) interchanger by the aid of JBOD (just a bunch of disks), the rear-end device is further connected with an SAS HBA (host bus adapter) and identified by the arrays, re-accessed response is accelerated by copying hotspot data in a disk storage, data correctness affected by faults of solid state disks is avoided, RAID 10 (redundant array of independent disks) operation of the solid state disks can be established when hybrid storage arrays are actually used, and fault tolerance of the solid state disks is improved.

Description

technical field [0001] The invention discloses a method for realizing a disk array based on a mixed medium, and relates to the field of storage. Background technique [0002] Disk array (Redundant Arrays of Independent Disks, RAID) means "an array of independent disks with redundant capabilities". A disk array is a large-capacity disk group composed of many relatively cheap disks, and the performance of the entire disk system is improved by using the bonus effect generated by the data provided by individual disks. Using this technology, the data is cut into many sections and stored on each hard disk. The disk array can also use the concept of parity check (ParityCheck). When any hard disk in the array fails, the data can still be read out. When the data is reconstructed, the data is recalculated and placed in the new hard disk. [0003] The existing disk array methods can no longer fully meet the ever-changing storage needs in some aspects, and the emergence of mixed-media...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/0614G06F3/0655
Inventor 赵瑞东崔瑶瑶耿士华
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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