Storage control system and processing node thereof

A processing node and storage control technology, applied in the storage field, can solve the problems of the impact of storage control response speed, increase the implementation cost of the storage control subsystem, and large circuit scale, and achieve the goal of improving storage control efficiency, bandwidth, and flexibility Effect

Inactive Publication Date: 2008-03-05
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the response speed of storage control has been affected
[0012] 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 Implementation cost of capacity storage control subsystem

Method used

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  • Storage control system and processing node thereof
  • Storage control system and processing node thereof
  • Storage control system and processing node thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] 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. 8 .

[0076] Still referring to FIG. 5 , the processing node in this embodiment includes a processor, a bridge slice, a SWITCH, at least one HCC, at least one CACHE, and at least one DCC. The dotted line in Fig. 5 schematically shows the data request and the transmission direction of the data in the processing node. As shown in Figure 5, 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 th...

Embodiment 2

[0093] 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.

[0094] FIG. 10 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. 10 schematically shows the data request and the transmission direction of the data in the processing node. As shown in FIG. 10 , the processing node includes a processor, a bridge chip, a SWITCH and at least one HCC. 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.

[0095] Specifically, the processor receives the data request...

Embodiment 3

[0102] 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.

[0103] FIG. 11 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. 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 DCC. 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.

[0104] Specifically, the processor receives data requests from o...

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Abstract

The memory controlling system is located between the main computer and the disk and is used for processing a data request message sent from the main computer to the disk. It has a topology structure composed of multi processing nodes; wherein, between every two nodes there is a data-exchanging channel; said processing nodes is used for executing the memory controlling operation corresponding to the received data request type through said data-exchanging channel. The invention also reveals a processing node thereof.

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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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06G06F12/08G06F12/0813G06F12/0868G06F12/1072
Inventor 安辉赖守锋刘介良
Owner NEW H3C TECH CO LTD
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