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Cluster storage system and split brain treatment method thereof

A cluster storage and split-brain technology, applied in the field of communication, can solve problems such as data inconsistency, inability to transmit heartbeat signals, etc.

Active Publication Date: 2012-11-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
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Problems solved by technology

[0004] In the process of implementing the present invention, the inventor found at least the following problems in the prior art: when the heartbeat network fails, that is, when a split-brain failure occurs, the heartbeat signal cannot be transmitted between the faulty controller and its corresponding backup controller. Communication, which causes each controller inside the pair of controllers to access the same disk at the same time, resulting in data inconsistency

Method used

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  • Cluster storage system and split brain treatment method thereof
  • Cluster storage system and split brain treatment method thereof
  • Cluster storage system and split brain treatment method thereof

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0020] figure 1 It is a schematic structural diagram of an embodiment of the cluster storage system of the present invention, such as figure 1 As shown, the system of this embodiment includes: a control channel interface module 1, a controller cluster module 2, and a data channel interface module 3, wherein the control channel interface module 1 is used to control the disk enclosures of each controller in the controller cluster module 2 The corresponding disk in t...

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Abstract

The embodiment of the invention relates to a cluster storage system and a split brain treatment method thereof. The system comprises a control channel interface module, a controller cluster module and a data channel interface module. The control channel interface module is used for controlling controllers in the controller cluster module to read and write corresponding discs in a disc case; the controller cluster module is used for reading and writing corresponding discs in the disc case under the control of the control channel interface module and exchanging data among the controllers in thecontroller cluster module via the data channel interface module; and the data channel interface module is used for providing data exchange channel for the controller cluster module under the control of the control channel interface module. The system and the split brain treatment method can help keep communication among the controllers in the controller cluster module when split brain happens in a heartbeat network.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a cluster storage system and a split-brain processing method thereof. Background technique [0002] A cluster is a group of independent hosts interconnected by a high-speed network that form a group and are managed as a single system. In a cluster, in order to connect multiple independent hosts into an overall cluster, it is necessary to establish a heartbeat network for communication between multiple independent hosts, and the heartbeat network is usually an external switch. [0003] Cluster technology is widely used in the field of storage technology. In the prior art, multiple storage controllers and their corresponding backup controllers can be connected as an overall cluster through control channels, and these control channels constitute a heartbeat network, and each pair of controllers (including a storage controller and a backup Disks can be attached to the contro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L12/24
Inventor 罗庆超
Owner HUAWEI TECH CO LTD
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