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Method for replacing storage based on Oracle ASM

A storage disk and storage replacement technology, applied in the input/output process of data processing, special data processing applications, instruments, etc., can solve problems such as unbearable long-term downtime, inappropriateness, etc., to avoid human misoperation and ensure stability performance and improve replacement efficiency

Inactive Publication Date: 2015-04-29
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

In view of the fact that many enterprise business production systems require 7*24 hours of operation, or cannot tolerate long-term downtime, some of the above migration methods are not suitable

Method used

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  • Method for replacing storage based on Oracle ASM

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Embodiment 1

[0017] A method for replacing storage based on Oracle ASM described in this embodiment, realizes the method for replacing storage without interrupting the production system based on Oracle ASM; utilizes the Rebalance feature of the Oracle database data file storage mode ASM to add new storage to the database system database file Stored in the ASM disk group, and then delete the stored disk that needs to be replaced from the ASM disk, and ASM will automatically and evenly distribute the data on the deleted disk in the ASM disk group to the remaining disks in the ASM disk group, so as to realize the replacement Stored replacement jobs.

[0018] The method for replacing storage based on Oracle ASM described in this embodiment, taking the replacement of disks in the ASM disk group with new storage disks as an example, describes the implementation process of this structure, as shown in the attached figure 1 shown.

[0019] attached figure 1 Figure a in the figure shows the data ...

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Abstract

The invention discloses a method for replacing the storage based on Oracle ASM and relates to the field of computer system design and databases. The method includes utilizing the Rebalance characteristic of the data file storage mode ASM of the Oracle database to add a newly stored disk into an ASM disk group where a database document of the database system is stored, and then deleting the stored disk to be replaced from the ASM disks, wherein ASM automatically distributes deleted disk data in the ASM disk group on the surplus disks of the ASM disk group in balance to achieve storage replacement. The method is achieved through the Oracle ASM automatically, manual error operation is avoided as much as possible, meanwhile non-breaking storage replacement in business production system is achieved, system working stability is ensured, and the system storage and replacement efficiency is improved.

Description

technical field [0001] The invention relates to the field of computer system design and the field of database, in particular to a method for replacing storage based on Oracle ASM. Background technique [0002] Affected by economic globalization and global informatization, the development of human society and the diversity of needs, and the deepening application of cloud computing and Internet of Things technologies, in the past few years, "big data" has become an important part of the IT field and the Internet. People use it to describe and define the massive data generated in various fields of human society in the era of information explosion, and the advent of the era of big data. In 2013, the total amount of data generated in China exceeded 0.8ZB (equivalent to 800 million TB), equivalent to twice that of 2012, and equivalent to the total amount of global data in 2009. It is estimated that by 2020, the total amount of data generated in China will be 10 times that of 2013...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F3/06
CPCG06F3/0607G06F16/22
Inventor 刘兵乔鑫杨磊田野刘子瑞李富中
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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