Cluster storage system and data storage method thereof

A cluster storage and shared storage technology, applied in transmission systems, electrical components, etc., can solve problems such as low disk utilization, capacity limitations, business system suspension, etc., to facilitate data management and improve disaster tolerance.

Inactive Publication Date: 2011-08-31
INSPUR BEIJING ELECTRONICS INFORMATION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the traditional HA architecture adopted by many enterprises and institutions has certain defects. For example, two minicomputers are paired with a disk array to form a cluster system. All information and data are stored on this disk array, and only one copy is stored. , once a problem occurs in this disk array, the entire business system will be in danger of being stopped, and distributed storage can guarantee backup, but the disk utilization rate is low, and the capacity is limited due to cost constraints
It can be seen that in order to achieve high availability of business, high availability of storage must be guaranteed first; in other words, business systems lacking high availability storage cannot achieve real high availability

Method used

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  • Cluster storage system and data storage method thereof
  • Cluster storage system and data storage method thereof

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Embodiment 1

[0029] Based on the above idea, this embodiment provides a cluster storage system, the system architecture is as follows figure 1 As shown, it includes a bit data classification server, a distributed replicated block device (DRBD, Distributed Replicated Block Device) and a shared storage device. In this embodiment, the shared storage device uses a shared array, and the shared array is used to meet the needs of business-level HA to ensure that nodes appear. The service will not be interrupted in the event of a failure, and DRBD is used to meet the requirements of storage-level HA to ensure that important data will not be lost. From figure 1 It can be seen that all nodes are connected to the shared array, and the two meta-nodes are also installed with DRBD in addition to being connected to the shared array.

[0030] Among them, the data classification server is located on the two meta nodes, and it is mainly responsible for constructing a data extraction model for the files in ...

Embodiment 2

[0045]Based on the above-mentioned cluster storage system, this embodiment proposes a data storage method for a cluster storage system, the core of which is to screen data, and place important data (that is, the data of files whose priority value is greater than the set value) in the distributed replication block In the device (DRBD, Distributed Replicated Block Device), the general data (that is, the data of the file whose priority value is less than the set value) is placed in the shared storage device (be the shared array in this embodiment), so that even if the shared array is damaged, Data loss can also be minimized, and important system information (such as server configuration files, administrator information, log information, etc. are determined by the administrator) will be backed up in DRBD to quickly recover when the cluster crashes.

[0046] Specifically, the method includes: the cluster storage system determines the priority value of each file in the shared storage...

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Abstract

The invention discloses a cluster storage system and a data storage method thereof, relating to the cluster storage system field. The cluster storage system comprises a shared storage device as well as a data hierarchical server and a DRBD located at element nods, wherein the data hierarchical server determines the priority values of all the files in the shared storage device and uploads the data of the files with priority value larger than a set value to the DRBD; and the DRBD receives and stores the data of the files uploaded by the data hierarchical server. In the embodiment of the invention, a mixed storage architecture, combining low cost and huge capacity of the centralized storage with high reliability of the distributed storage together, is adopted, and meanwhile, a data extracting model for classified data storage is built, which facilitates data management and enhances the disaster tolerance of the whole cluster, thereby providing an effective guarantee for the safe operation of the electronic information system.

Description

technical field [0001] The invention relates to a cluster storage system, in particular to a cluster storage system and a data storage method thereof. Background technique [0002] At present, the traditional HA architecture adopted by many enterprises and institutions has certain defects. For example, two minicomputers are paired with a disk array to form a cluster system. All information and data are stored on this disk array, and only one copy is stored. , once a problem occurs in this disk array, the whole business system will be in danger of being stopped, and the use of distributed storage can guarantee backup, but the disk utilization rate is low, and the capacity is limited due to cost constraints. It can be seen that in order to achieve high availability of business, high availability of storage must be guaranteed first; in other words, a business system lacking high availability storage cannot achieve true high availability. In response to this situation, we propo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
Inventor 刘家驹张立强
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND
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