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Recognition system and method of just bundle of disks with single-wire cascading topological structure

A simple disk bundling and topological structure technology, applied in the direction of input/output to record carrier, etc., can solve the problem that the JBOD cannot be recognized in the same way

Inactive Publication Date: 2010-06-16
INVENTEC GRP TIANJIN ELECTRONICS TECH +1
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Problems solved by technology

However, if the hardware cannot provide the same recognition of the same JBOD in the single-wire cascade topology on the multi-controller, it will cause the same JBOD to be recognized as two different devices, for example, on SDA01 and SDA02

Method used

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  • Recognition system and method of just bundle of disks with single-wire cascading topological structure
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Embodiment Construction

[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0030] Please refer below figure 2 , which is a structural block diagram of a JBOD identification system with a single-line cascade topology according to an embodiment of the present invention. Here, the JBOD identification system of the present invention is described by taking a machine with dual controllers and JBOD as an example, and the JBOD single-line cascade topology of the dual controllers can be referred to figure 1 shown.

[0031] It should be pointed out that this embodiment is only an illustration of the principle of the ...

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Abstract

The invention discloses recognition system and method of just bundle of disks with a single-wire cascading topological structure, which are applied to a host with a plurality of controllers. The method comprises the following steps of: acquiring just bundle of disks (JBOD) correspondingly connected with a current controller of the host and hardware configuration information of a hard disk on the JBOD; synchronizing the hardware configuration information to other controllers of the host; and executing a plurality of controllers of the host to recognize the same JBOD in the single-wire cascading topological structure according to the synchronized hardware configuration information. The invention can realize the same recognition of the single-wire cascading JBOD under multi-controller environment.

Description

technical field [0001] The invention relates to a disk identification method, in particular to an identification system and method for realizing single-line cascading simple disk binding (JBOD) under multiple controllers. Background technique [0002] In practical applications, the topology structure of the Just Bundle Of Disks (JBOD) cascade includes single-wire connection and multi-wire connection. Since the single-line connection has connections in multiple directions, after a connection in one direction is disconnected, access can also be made through connections in other directions, thereby increasing the stability and security of the system. For example, take a dual-control JBOD as an example (such as figure 1 shown), wherein the system shown in this embodiment includes two controllers SDA01 and SDA02, and JBOD1, JBOD2 and JBOD3 corresponding to the single-wire connection structure. In the case of single-wire connection, if JBOD2 is closed, the controller SDA01 can a...

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Application Information

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IPC IPC(8): G06F3/06
Inventor 高晓斌陈玄同
Owner INVENTEC GRP TIANJIN ELECTRONICS TECH
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