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Method for improving access efficiency of minicomputer interface memory device

A small computer and storage device technology, applied in the field of storage device access, can solve the problem of incomplete data task queue data writing speed and other issues

Inactive Publication Date: 2009-07-01
INVENTEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The invention provides a method for improving the access efficiency of a small computer interface storage device, so as to solve the problem of incomplete data caused by the overlapping of access task addresses and the problem of task queued data writing speed

Method used

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  • Method for improving access efficiency of minicomputer interface memory device
  • Method for improving access efficiency of minicomputer interface memory device
  • Method for improving access efficiency of minicomputer interface memory device

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Embodiment Construction

[0023] The invention provides a method for improving the access efficiency to a small computer interface storage device. Please refer to figure 1 As shown, it is a schematic diagram of the system architecture of the present invention. The method for asynchronously processing tasks of a virtual disk in implementing a small computer interface includes the following devices: a requester 100 , a server 200 and a physical storage device 310 . The server 200 runs a virtual disk management program. The virtual disk management program integrates multiple physical storage devices 310 into a virtual disk 210 to provide access to the requesting end 100 . This makes it unnecessary for the requester 100 to distribute data to various physical storage devices 310 by itself.

[0024] Execution sequence of multiple access tasks applied to virtual disks of the Small Computer Interface. Please refer to figure 2 As shown, it is a schematic diagram of the operation flow of the present inven...

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Abstract

The invention discloses a method of increasing access efficiency of small computer interface storage equipment, aiming to process multiple access requests from a request terminal to the solid storage equipment. The task processing method comprises steps of arranging task queues in each virtual disk to receive multiple disk access tasks sent from a service terminal, writing storage addresses in the virtual disks according to the disk access tasks, executing the storage address record means to record the disk access tasks with the same storage address, simultaneously, sequentially sending the other disk access tasks to the solid storage equipment, then storing the disk access tasks to the request queue of the solid storage equipment, executing the program sequence optimization to the disk access tasks in the request queue, and finally returning the disk access tasks processed by the program optimization to the virtual disks.

Description

technical field [0001] The invention discloses a storage device access method, in particular to a method for improving the access efficiency of a small computer interface storage device. Background technique [0002] With the rapid growth of network speed, storage devices have also begun to evolve from stand-alone storage to storage by network devices. In the network storage system, there is a network storage interface combining Small Computer Small Interface (SCSI for short) with network transmission, which is called iSCSI (Internet SCSI). [0003] The iSCSI protocol defines the corresponding rules and methods for sending and receiving data block storage data on a TCP / IP network. The sender (Initiator) encapsulates SCSI commands and data into packets and forwards them through the network. Then, after the packet is received by the receiving end (target), it is converted into SCSI commands and data and executed. After the receiving end completes the command, the returned S...

Claims

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Application Information

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IPC IPC(8): G06F3/06
Inventor 陈永海陈玄同刘文涵
Owner INVENTEC CORP