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Storage control system and process node thereof

A processing node and storage control technology, applied in the storage field, can solve problems such as large circuit scale, increased storage control subsystem cost, and increased storage control subsystem implementation cost, so as to achieve the effect of improving flexibility and expanding flexibility

Active Publication Date: 2008-02-27
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of a dedicated CACHE management unit increases the cost of the storage control subsystem
[0018] In addition, since processing nodes such as HCA, CACHE, and DCA are implemented by independent hardware boards, at least 3 hardware boards are required to realize the storage control subsystem with the minimum capacity, and the circuit scale is also large, which increases the minimum The implementation cost of the capacity storage control subsystem

Method used

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  • Storage control system and process node thereof
  • Storage control system and process node thereof
  • Storage control system and process node thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0091] In this embodiment, the functional modules connected to the processing module through a unified interface include at least one HCC, at least one DCC, and at least one CACHE. Under this combination, the function type of the processing node is (HCC+DCC+CACHE) type. The DCC in this embodiment adopts the structure with a DCC processor shown in FIG. 9 .

[0092] Still referring to FIG. 6 , the processing node in this embodiment includes a processor, a bridge chip, a SWITCH, at least one HCC, at least one CACHE, and at least one DCC. The dotted line in Fig. 6 schematically shows the data request and the transmission direction of the data in the processing node. As shown in Figure 6, the processor determines that the function type of the current processing node is (HCC+DCC+CACHE) type according to the functional modules connected to the bridge chip, and after receiving the data request, the processor executes (HCC+DCC+CACHE) The storage control operation corresponding to the...

Embodiment 2

[0108] In this embodiment, the functional modules connected to the processing module through a unified interface include at least one HCC. Under this combination, the function type of the processing node is the HCC type.

[0109] FIG. 11 is a schematic structural diagram of a processing node applied to a storage control system in Embodiment 2 of the present invention. The dotted line in Fig. 11 schematically shows the data request and the transmission direction of the data in the processing node. As shown in FIG. 11 , the processing node includes a processor, a bridge chip, a SWITCH and at least one HCC.

[0110] The processor determines that the function type of the current processing node is the HCC type according to the functional modules connected to the bridge chip, and after receiving the data request, the processor executes the storage control operation corresponding to the received data request under the HCC type.

[0111] Specifically, the processor receives the dat...

Embodiment 3

[0118] In this embodiment, the functional modules connected to the processing module through a unified interface include at least one DCC. Under this combination, the function type of the processing node is DCC type.

[0119] FIG. 12 is a schematic structural diagram of a processing node applied to a storage control system in Embodiment 3 of the present invention. The dotted line in Fig. 12 schematically shows the data request and the transmission direction of the data in the processing node. As shown in FIG. 12, the processing node includes a processor, a bridge chip, a SWITCH, and at least one DCC.

[0120] The processor determines that the function type of the current processing node is the DCC type according to the functional modules connected to the bridge chip, and after receiving the data request, the processor executes the storage control operation corresponding to the received data request under the DCC type.

[0121] Specifically, the processor receives data reques...

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Abstract

This invention discloses a kind of processing nodes in the storage control system and these processing nodes includes: the functional module and the processing module with at least two unified interfaces and one unified interface connects one functional module; this processing module is used to determine the functional type of the processing nodes in the place of the processing module according to the functional module connecting with it and controls the functional module told above to execute the data storage control operator of the received data's request type corresponding with the determined functional type; this functional module told above is used to execute the storage control operator corresponding with its function at the control of processing module. This invention also discloses a multiple kinds of storage control system. It can extend the storage control system flexibly by using this invention.

Description

technical field [0001] The invention relates to storage technology, in particular to a storage control system and a processing node in the storage control system. Background technique [0002] FIG. 1 is a schematic structural diagram of an existing storage system. As shown in Figure 1, the storage system includes a storage control subsystem and at least one disk medium. Wherein, the storage control subsystem performs read and write operations on the corresponding disk media according to the data request received from the application host. Wherein, the application host is an application server or a user host; the disk medium is used for storing data. [0003] The storage control subsystem is the control core of storage operations, specifically including at least one host channel adapter (HCA, Host Channel Adapter), at least one cache (CACHE) and at least one disk channel adapter (DCA, Disk Channel Adapter). HCA, CACHE, and DCA are all processing nodes in the storage contro...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F12/08G06F12/0842
Inventor 安辉赖守锋刘介良
Owner NEW H3C TECH CO LTD
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