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Method, apparatus and computer program product for managing storage system

A storage system and equipment technology, applied in the input/output process of data processing, calculation, and the generation of response errors, etc., can solve the problems of data cannot be reorganized, accessed, lost, etc.

Active Publication Date: 2019-07-26
EMC IP HLDG CO LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, even if the user data stored on the storage device is not corrupted, the data cannot be reorganized and accessed because the configuration information describing how the storage device and data are organized has been lost

Method used

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  • Method, apparatus and computer program product for managing storage system
  • Method, apparatus and computer program product for managing storage system
  • Method, apparatus and computer program product for managing storage system

Examples

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Embodiment Construction

[0022] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0023] As used herein, the term "comprise" and its variants mean open inclusion, ie "including but not limited to". The term "or" means "and / or" unless otherwise stated. The term "based on" means "based at least in part on". The terms "one example embodiment" and "one embodiment" mean "at least one example embodiment." The term "another embodiment" means "at least one further embodiment". The terms "first", "second", etc. may refer to di...

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PUM

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Abstract

Embodiments of the present disclosure relate to a method and apparatus for managing a storage system, and a computer program product. The method includes, in response to receiving a command to restore a storage system, reading first configuration information from a first disk in a storage system to be restored. The first configuration information indicates a first disk array group to which the first disk belongs. The method also includes recovering the first disk array group based at least on the first configuration information. The method also includes, in response to the first disk array group being restored, reading second configuration information from the first disk array group. The second configuration information indicates a storage resource pool to which the first disk array groupbelongs. In addition, the method further comprises the step of recovering the storage resource pool at least based on the second configuration information. According to the embodiment of the invention, the storage objects in the storage system can be recovered step by step under the condition that the configuration information in the system database is lost.

Description

technical field [0001] Embodiments of the present disclosure generally relate to the field of data storage, and specifically relate to a method, device and computer program product for managing a storage system. Background technique [0002] Data recovery refers to processes such as reorganizing and piecing data back together when a storage system is damaged or data is accidentally deleted. Generally, as long as the data area on the storage device is not severely damaged, the data can be recovered by using recovery techniques. However, for storage systems, data recovery usually also requires the operating system (OS) that manages the storage system to continue to work, because important configuration information of the storage system is usually stored in a corresponding database of the operating system. If the operating system crashes and is reinstalled, this important configuration information may be lost. In this case, even if the user data stored on the storage device i...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F3/06
CPCG06F11/1471G06F3/0604G06F3/0629G06F3/0689G06F11/1076G06F11/1469G06F2201/80
Inventor 胡博吴迁黄娟余颖李晶
Owner EMC IP HLDG CO LLC
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