CN1908919A

CN1908919A - Network affixed storage device

Info

Publication number: CN1908919A
Application number: CN 200610099552
Authority: CN
Inventors: 李付忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-28
Filing date: 2006-07-28
Publication date: 2007-02-07
Also published as: CN101272396A

Abstract

The network storage device comprises: replacing storage server in traditional NAS by embedded MPU as the master control unit, integrating network interface chip for communication and HD controller for PATA or SATA running on every circuit board; arranging HD device to support different HD number, and using NAS device to run software in FLASH memory and coordinate sub-units. This invention needs low cost and fit to wide application.

Description

A kind of network affixed storage device

Technical field

The present invention relates to a kind of network affixed storage device, is a kind of network storage equipment that is used for computer network and field of storage.

Technical background

Along with popularizing that computer network and media product are used, very fast to the requirement growth of data memory space and storage efficiency.Present widely used portable personal memory device mainly is USB flash disk and portable hard drive, and these two kinds of memory devices all are that usb bus and this computing machine of utilizing computing machine to provide carry out exchanges data.There are several intrinsic restrictions in this USB interface-based memory device: at first, these equipment can only use simultaneously as an external unit and computing machine, that is to say that they can only connect use on computers, close the computing machine that is attached thereto, equipment just can't be worked; Secondly, these two kinds of equipment are not easy to visit use simultaneously for many people.

On the other hand, storage can also be carried out based on computer network.This technological system is called network-attached storage (" NAS ").In the NAS system, a computing machine connects one or more memory devices, as server, provides stores service to network internal.User in the network provides request of access by computer network to this server.The existing product of this system at present with server-class computers as storage server, so that storage reliably steady in a long-term to be provided, and can provide the multiple network service.Its main inferior position is embodied in high costs, bulky, and power consumption is big, can not use as personal portable.

Summary of the invention

The technical problem to be solved in the present invention provides a kind of individual that is, the portable network memory device that family and small business use, cheap, that volume is small and exquisite.Make the user can by USB interface bus and computing machine carry out exchanges data storage again can be on computer network the convenient memory device that uses, can accomplish again simultaneously to be easy to carry and to operate.

Technical solution provided by the invention is: be by adopting embedded microprocessor to replace storage server among traditional NAS (Network Attached Storage network attached storage) as the main control unit of equipment, and on single circuit board integrated network interface chip and hard disk controller, network interface chip is finished the communication to network under the control of flush bonding processor, network interface be can access network based on ethernet standard interface; Hard disk controller can provide the controller of Parallel ATA (PATA), also can provide the controller of serial ATA (SATA), and the hard disc apparatus support connects single hard disk, a plurality of hard disk and the configuration that is not connected hard disk; Network affixed storage device is by FLASH storer saved system software, and can preserve the data message that the user submits to simultaneously, and moves software in the FLASH storer, the running of inner each subelement of Mediation Device by embedded microprocessor.The USB interface chip is finished the communication of USB device to external world under the control of flush bonding processor, the USB of standard can support to connect USB main equipment and slave unit; Be provided with keyboard and display board and be respectively applied for reception user's the input and the information and the running status of display system.

The running software of network affixed storage device can be supported multitask running on (SuSE) Linux OS, allow multi-user's access to netwoks simultaneously; Can provide that network is shared, services such as FTP, HTTP; The HTTP service routine can not only provide the transmission of ordinary file, can also accept user's the request that is provided with simultaneously; Be provided with the rights management process in this equipment operation, be responsible for the authority audit is carried out in user's visit, can filter out the visit of super authority; Drive process by embedded microprocessor control coordination keyboard drive process, hard drive process, USB driving process, network interface card driving process, LCD driving process, FLASH, be respectively applied for the keyboard input of accepting the user, and legal input sent to other processes of system, is responsible for the hardware of hard disk is managed and operate, is responsible for driving the USB hardware system, set up USB device, be responsible for network interface chip is carried out initialization and operation, is responsible for driving the LCD display board running status of display system, the responsible FLASH storer that drives; By the FLASH storer, saved system software, and can preserve the data message that the user submits to simultaneously.

The invention has the beneficial effects as follows: cheap, volume is small and exquisite; Can be towards the TCP/IP procotol, the use field is wide and multiple services such as file-sharing, FTP, HTTP can be provided, and supports the setting to user right, performance optimization; This equipment provides network interface and USB interface simultaneously, and plug and play is convenient to use; Cross-platform and network, this equipment is supported multiple customer platform, comprises Windows XP, Win98/Win2000, Windows NT, Unix/Linux, Macintosh, Netware etc.Also support multiple popular procotol, comprise the many agreements on the Internet.

Description of drawings

The present invention is described further below in conjunction with embodiment and accompanying drawing.

Fig. 1 is the hardware block diagram of this equipment.

Fig. 2 is the software architecture diagram of this equipment.

Fig. 3 is this equipment principle structured flowchart.

Fig. 4 is this equipment work of access to netwoks principle flow chart

Fig. 5 is the embodiment of access to netwoks read operation

Fig. 6 is the embodiment of processor processing read operation

Fig. 7 is the embodiment of access to netwoks write operation

Fig. 8 is the embodiment of processor processing write operation

Fig. 9 is the embodiment of equipment in a new account number of initialization

Embodiment

With reference to accompanying drawing, Fig. 1 is the hardware block diagram of written or printed documents equipment, integrated functional modules such as embedded microprocessor 100, network interface chip 110, USB interface chip 130, FLASH storer 150, hard disk drive 160, keyboard 180, demonstration on single circuit board.And be provided with network interface 120, usb 1 40, hard-disk interface 170, LCD display board 190 etc.Can under the control of flush bonding processor, finish the communication of USB device to external world in the equipment use.Equipment provides usb 1 40, connects USB main equipment and slave unit by usb 1 40.When USB device was inserted the usb 1 40 of equipment, the USB control module produced and interrupts, and notification processor 100 has the USB time to take place.Processor 100 is checked the USB driver element and is provided with then, and USB device can be read and write by processor.The user can finish reading and writing of files to USB device by the web operation interface of equipment then.Method is consistent with portable hard drive with the read-write equipment USB flash disk.Equipment can also be finished the communication to network under the control of flush bonding processor 100, the ethernet network interface 120 by standard will use in the equipment access network.Be responsible for hard disk is driven the transmission of control and data by flush bonding processor 100.This driver 160 can be set as the controller that Parallel ATA (PATA) is provided, and also can be set as the controller that serial ATA (SATA) is provided.And this equipment flowed out external hard drive interface 170, can connect several hard disks as required, so just guaranteed the infinite expanding of storage space, and the capacity that can not resemble the USB flash disk is fixed.The FLASH storer 150 that equipment carries also can be realized the storage of data, but can connect hard disk and use, so that the expansion of storage space by the hard-disk interface 170 of use equipment when needs are stored mass data information owing to volume ratio is less.The keyboard 180 and the LCD display board 190 with Presentation Function of information input are installed on this equipment.Keyboard 180 and LCD display board 190 provide interface for this equipment of user's direct control.System relies on keyboard to finish being provided with by before the access to netwoks all.System is kept at these settings in the parameter region in the Flash storer.LCD display board 190 is used for the running status of display device and the information of display device.

Fig. 2 is the software architecture diagram of this equipment, comprise (SuSE) Linux OS 201, can realize HTTP service 202, FTP service 203, file-sharing service 204 and user's rights management 205 and can realize that keyboard drive 206, hard drive 207, USB drive 208, network interface card drives 209, LCD drive 210 and FLASH drive 211.The running software of this equipment is supported multitask running on (SuSE) Linux OS 201, allow multi-user's access to netwoks simultaneously.Operate in the application program on the Linux, the HTTP request of access on the response to network.The HTTP service processes can finish to user file upload, the service of download and opertaing device.It is uploaded under this user's the file that downloaded files can be kept at equipment.Control information then is kept at system realm for example in the parameter region of Flash storer by system.HTTP can not only provide the transmission of ordinary file, can also accept user's the request that is provided with simultaneously.Operate in the FTP service 203 on the Linux, the FTP request of access on can response to network provides the download of uploading of file to the user.File-sharing service process 204 also can provide the download of uploading of file to the user.User's rights management 205 is responsible for the authority audit is carried out in user's visit.For example when the visitor attempts that the disk of equipment or Flash storer carried out " writing " operation, device program can check whether the user has the authority of " writing ", if the insufficient permission of the account number of user when landing at first, then require the user to import account number, otherwise write operation is rejected with write permission.So just can filter out the visit of super authority, guarantee the safety of system and data.Be provided with the use that keyboard drive 206, hard drive 207, USB driving 208, network interface card driving 209, LCD driving 210 and FLASH driving 211 wait cooperating equipment hardware in this device software.

Fig. 3 is this equipment principle structured flowchart, flush bonding processor 300, network control unit 301, USB control module 302, FLASH control module 303, hard disk control module 304, LCD control module 305, keyboard 306 among the figure.The principle of work of this equipment is: network interface receives the network user's file operation request of access, and processor 300 sends to corresponding visitor with the file in hard disk in the equipment and the Flash storer by network.System is made up of core and periphery.Core is formed three parts: flush bonding processor 300 and program, network control unit 301, hard disk control module 304 and the hard disk, Flash control module 303 and the Flash storer that operate on the processor.This external system also comprises the following periphery that subsidiary function is provided: USB control module 302, keyboard 306 and LCD display board 305.The system software of equipment is stored in the Flash storer 303, and after system powered on, system software was called in the internal memory operation.Software at first carries out self check to equipment, and loading Linux operating system in the process of loading Linux operating system, carries out initialization to each hardware module then, and they are under the management of Linux.After the normal foundation of operating system, start HTTP, FTP and file-sharing service process, system enters service state.

Fig. 4 is this equipment work of access to netwoks principle flow chart.Equipment provides three kinds of network services, comprises the HTTP service, FTP service and file-sharing service.When access to netwoks, network controller receives access to netwoks IP bag 401, and the program of processor reverts to upper-layer protocol with these bags and checks these protocol type 402, is HTTP, FTP or file sharing protocol.Call corresponding service routine then and explain the content 403 of visit.Equipment requirements user provides and lands account number 404, and these account numbers are that the apparatus manager is predefined.If account number examination failure, access denied.If success, equipment is searched for the corresponding file of visitor's account number and is sent to visitor 405 in the file system of disk and Flash storer.This moment, the visitor can be implemented in the exchanges data 406 between equipment disk or Flash storer and visitor this locality.

Fig. 5 has shown that a user once " reads " process flow diagram of the operation embodiment of file to the carrying out of this equipment on network.At first input IP address of this equipment and connection protocol 501 be for example in the web browser of arbitrary computing machine of user on the computer network at this equipment place Ftp: // 192.168.1.123, after determining, this computing machine sends connection request to this equipment.This equipment receives the account number and the password 502 that can require the user to input after the user access request to land.After user's input, equipment is verified, if account number does not exist or password mistake 503, equipment can refuse to provide service.And when user account number and password are correct 504, the tabulation 505 of the destination folder that the user can the equipment of receiving sends.The user can check operation.When the user had sent " reading " certain file, equipment can be sent to subscriber computer 506 by network with this document, and the user is kept at local computer 507 with it, finishes the operation of this equipment " being read " file.

Fig. 6 has shown that a user carries out " reading " when operation, the flow process of device interior operation to this equipment on network.At first, the network interface unit of equipment receives the request of access 601 that the network user sends.Suppose that the user is the File Transfer Protocol that utilizes, operate in the agreement 602 that software on the processor parses visit, be confirmed to be File Transfer Protocol, use the particular content of FTP service processes interpreting user request then.The equipment requirements user lands 603 with account number afterwards, and after receiving correct account number and password 605, equipment is retrieved account corresponding file folder in file system, and the file content is mail to user 606.When the user sent " reading " file request 607, equipment retrieved this document 608 in disk or Flash, and it is mail to user 609.The user lands 603 with account number when equipment requirements, and after receiving wrong account number and password 604 o'clock, equipment can refuse to provide service.

Fig. 7 has shown that a user carries out once the process flow diagram of " writing " file operation embodiment to this equipment on network.At first the user in the IE of the computing machine of oneself browser, import the IP address of this equipment and connection protocol as Ftp: // 192.168.1.123, after determining, this computing machine sends request connection requests 701 to equipment.Account number and password 702 that equipment can require the user to input to land.After the user has imported, equipment inspection account number and password.If account number and password are illegal 703, then service is rejected.And after account number and password are correct 704, User login is under the corresponding file 705, when the user sends when preserving file to equipment 706, the authority 707 of equipment inspection User login account number, if account has " writing " operation permission 711, then equipment is accepted " writing " request of user.If the user does not have this authority 708, then be required to input the account number and the password 709 that have this authority, if the user has inputed the password that has this authority, then the user " writes " request and is accepted 712, otherwise is rejected 710.After user " writing " request was accepted, the user can be saved in the file on the local file system under the destination folder of equipment 713.

Fig. 8 has shown the flow process of device interior operation when a user carries out " write " operation to this equipment on network.In this embodiment, the user uses File Transfer Protocol.At first the network interface unit of equipment receives the request of access 801 that the network user sends.Operating in the agreement that software on the processor parses visit is File Transfer Protocol 802, uses the content of FTP service processes interpreting user request then.The equipment requirements user lands 803 with account number afterwards.After receiving correct account number and password 805, equipment is retrieved account corresponding file folder 806 in file system.And the file content mail to subscriber computer.After the user sent " writing " request 808, equipment was examined the User login account number and whether is had " writing " operating right 809, if the user does not have " writing " authority 810, then required the user to import to have the account number 811 of " writing " authority.When the user land account number to have " writing " authority after 812, equipment receives the file that the user sends, and it is kept under the destination folder 814.

Fig. 9 has shown that an apparatus manager creates the embodiment of new FTP account number on equipment.At first, the user need utilize the web browser to open the web page of equipment on a computing machine on the computer network of equipment place, lands 901 with keeper's account number.The user creates a new account number name 902 then, inputs the password of account correspondence then, next creates a new file 903, and account and this document folder are associated.Subsequently, the authority of account and the administration authority 904 that account presss from both sides alternative document are set.The service agreement that the account correspondence then is set is a File Transfer Protocol 905.Next the disk configuration 906 of account correspondence is set, for example account corresponding stored zone size.After setting was finished, updating system made to be provided with and comes into force 907.The web visitor can utilize account to land FTP and serve.

Claims

1. a network affixed storage device includes keyboard, as input media; Display board, the information of display system and running status; The USB control module, realize that memory device is by USB and other devices communicatings and processor, it is characterized in that by adopting embedded microprocessor (100) to replace storage server among traditional NAS (Network Attached Storage network attached storage) as the main control unit of equipment, and on single circuit board integrated network interface chip (110) and hard disk controller (160), network interface chip (110) is finished the communication to network under the control of flush bonding processor (100), network interface (120) be can access network based on ethernet standard interface; Hard disk controller (160) can provide the controller of Parallel ATA (PATA), also can provide the controller of serial ATA (SATA), and the hard disc apparatus support connects single hard disk, a plurality of hard disk and the configuration that is not connected hard disk; Network affixed storage device is by FLASH storer (150) saved system software, and can preserve the data message that the user submits to simultaneously, and move software in the FLASH storer (150), the running of inner each subelement of Mediation Device by embedded microprocessor (100).

2. according to the described network affixed storage device of claim 1, it is characterized in that: USB interface chip (130) is finished the communication of USB device to external world under the control of flush bonding processor (100), and the USB of standard (140) can support to connect USB main equipment and slave unit.

3. according to the described network affixed storage device of claim 1, it is characterized in that: be provided with keyboard (180) and display board (190) and be respectively applied for reception user's the input and the information and the running status of display system.

4. according to the described network affixed storage device of claim 1, it is characterized in that: the running software of this equipment can be supported multitask running on (SuSE) Linux OS, allows multi-user's access to netwoks simultaneously.

5. according to the described network affixed storage device of claim 1, it is characterized in that: this equipment can provide that network is shared, services such as FTP, HTTP.

6. HTTP service according to claim 5, it is characterized in that: the HTTP service routine can not only provide the transmission of ordinary file, can also accept user's the request that is provided with simultaneously.

7. according to the described network affixed storage device of claim 1, it is characterized in that: be provided with the rights management process in this equipment operation, be responsible for the authority audit is carried out in user's visit, can filter out the visit of super authority.

8. according to the described network affixed storage device of claim 1, it is characterized in that: coordinate the keyboard drive process by embedded microprocessor control, the hard drive process, USB drives process, network interface card drives process, LCD drives process, FLASH drives process, be respectively applied for the keyboard input of accepting the user, and send legal input to system other processes, be responsible for the hardware of hard disk is managed and operates, be responsible for driving the USB hardware system, set up USB device, be responsible for network interface chip is carried out initialization and operation, be responsible for driving LCD display board, the running status of display system, be responsible for driving the FLASH storer; By the FLASH storer, saved system software, and can preserve the data message that the user submits to simultaneously.