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Method for controlling operations of RAID system

A technology for data storage systems and host devices, which is applied in the field of computer networks and can solve problems affecting system operations and other issues

Pending Publication Date: 2020-10-27
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The failure of part of the distributed storage system or the entire distributed storage system may affect the operation of a large number of systems coupled to the distributed storage system

Method used

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  • Method for controlling operations of RAID system
  • Method for controlling operations of RAID system
  • Method for controlling operations of RAID system

Examples

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Embodiment Construction

[0040] Various example embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. In the following description, only specific details such as detailed configuration and components are provided to help a comprehensive understanding of these embodiments of the present disclosure. Therefore, it will be apparent to those skilled in the art that various changes and modifications of the example embodiments described herein can be made without departing from the scope and spirit of the disclosure. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0041] Furthermore, the various example embodiments described herein are not necessarily mutually exclusive, as some example embodiments can be combined with one or more other example embodiments to form new embodiments.

[0042] As used herein, unless otherwise stated, the term "or" is used herein to mean non-exclusive. The exampl...

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Abstract

Embodiments herein provide a method for controlling operations of a Redundant Array of Independent Disks (RAID) data storage system comprising a host device and a plurality of solid-state drives (SSDs). The method includes performing, by the at least one SSD, recovery of lost data by performing the auto-rebuild operation. The method also includes performing by the at least one SSD, the auto-errorcorrection operation based on the IO error. The method also includes creating a snapshot of an address mapping table by all SSDs of the plurality of SSDs in the RAID data storage system. The auto-rebuild operation, the auto-error correction operation and the creation the snapshot of the address mapping table are all performed without the intervention from the host device.

Description

[0001] Cross References to Related Applications [0002] This application claims priority from Indian Patent Application 201941016055 filed at the Indian Intellectual Property Office on April 23, 2019, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] Example embodiments herein relate to computer networks. For example, at least some example embodiments relate to methods for controlling operations of a RAID system including a host device and a plurality of SSDs, a host device, and / or SSDs. Background technique [0004] In general, a distributed storage system can be used in a large number of systems interconnected by one or more networks. Failure of a portion of the distributed storage system or the entire distributed storage system may affect the operation of a large number of systems coupled to the distributed storage system. Therefore, it may be desirable for a distributed storage system to have high processing speed an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
CPCG06F11/1469G06F11/1471G06F11/1088G06F3/0688G06F3/065G06F3/0619G06F11/1451G06F2201/84G06F2201/835G06F11/1084G06F11/1448G06F3/0689G06F11/1076
Inventor S.T.施瓦南德S.K.科达斯V.辛格
Owner SAMSUNG ELECTRONICS CO LTD