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Method and device for handling faults in storage system

A storage system and storage device technology, applied in the storage field, can solve problems such as intractability, lack of relevant information, and lack of versatility

Active Publication Date: 2020-09-18
EMC IP HLDG CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the command failures of SCSI is the command timeout failure, that is, the storage device cannot return any response until the timeout occurs
This command timeout failure can occur for a number of reasons and is difficult to handle due to lack of relevant information
In traditional solutions, on the one hand, fault handling lacks adaptability, so the time required may often be longer; on the other hand, although supplier-specific or protocol-specific fault processing methods can shorten the fault processing time, they lack versatility

Method used

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  • Method and device for handling faults in storage system
  • Method and device for handling faults in storage system
  • Method and device for handling faults in storage system

Examples

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Embodiment Construction

[0025] The principles of the disclosure will now be described with reference to some example embodiments. It can be understood that these embodiments are described only for the purpose of illustrating and helping those skilled in the art to understand and implement the present disclosure, rather than suggesting any limitation to the scope of the present disclosure. The disclosure described herein may be implemented in various ways other than those described below.

[0026] As used herein, the term "comprising" and its variations may be understood as open-ended terms meaning "including but not limited to". The term "based on" may be understood as "based at least in part on". The term "one embodiment" can be read as "at least one embodiment". The term "another embodiment" may be understood as "at least one other embodiment".

[0027] figure 1 A schematic system diagram of a system 100 for handling faults in a storage system 120 according to an embodiment of the present discl...

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Abstract

Various embodiments of the present disclosure provide a method and apparatus for handling errors in a storage system. The method includes: determining configuration of a failed platform of a storage system; based on the determined configuration of the platform, determining policy for handling errors; and in response to detecting the errors, handling errors with the policy.

Description

technical field [0001] Various embodiments of the present disclosure relate generally to the field of storage, and more particularly, to methods and apparatus for handling failures in storage systems. Background technique [0002] Storage system fault detection and handling is an important part of storage management. Take Small Computer System Interface (SCSI) as an example, which is a communication protocol widely used in the storage field. SCSI on the LINUX platform has a three-layer implementation. The upper layer is a model for different types of SCSI devices (such as disks, tapes, or optical drives), the lower layer is host bus adapter (HBA) hardware and is usually provided by HBA suppliers, and the middle layer as the core layer of SCSI is responsible for SCSI device scanning and command scheduling and troubleshooting. One of the command failures of SCSI is the command timeout failure, that is, the storage device fails to return any response until the timeout occurs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/30G06F11/32
CPCG06F11/3034G06F11/321G06F11/0727G06F11/0793G06F9/45533G06F11/0757G06F11/1438
Inventor 刘冰吕满赵萃萃梅朝军
Owner EMC IP HLDG CO LLC
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