CN104881315A - Desktop virtualization technology based storage device mapping method and system - Google Patents
Desktop virtualization technology based storage device mapping method and system Download PDFInfo
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- CN104881315A CN104881315A CN201410582316.6A CN201410582316A CN104881315A CN 104881315 A CN104881315 A CN 104881315A CN 201410582316 A CN201410582316 A CN 201410582316A CN 104881315 A CN104881315 A CN 104881315A
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Abstract
The invention provides a desktop virtualization technology based storage device mapping method and system. The system comprises a virtual desktop server, a virtual machine and a terminal device establishing data connection with the virtual machine. The terminal device comprises a thin client, a VRS (virtual reference station) server module and a storage device driving module are installed on the thin client, the VRS server module is used for reading capacity of a USB (universal serial bus) storage device and file information in USB storage, and the USB storage device is driven by the storage device driving module. A VRS client module is installed on the virtual machine and used for receiving the capacity of the USB storage device and the file information in the USB storage transmitted from the VRS server module. The system is compatible to all the USB storage devices in the desktop cloud environment, electrical characteristics of the USB storage devices are shielded, and mapping stability and transmission speed of the storage device under the desktop cloud environment are heightened.
Description
Technical field
The present invention relates to printer redirection technical field, particularly relate to a kind of memory device mapping method based on desktop virtual technology and system.
Background technology
Server virtualization, desktop virtual and applying virtual be now computer virtualized in three large Intel Virtualization Technologies.Also be an important technology of following cloud computing.Industry-by-industry at present in the whole world, has started the popularization of virtualized technology, and coming into one's own in IT industry gradually.Current global numerous enterprises is all virtual, and Full-virtualization gradually, towards the future development of cloud computing.
Desktop virtual be the heart in the data server on carry out server virtualization, generate a large amount of independently desktop operating systems (virtual machine or virtual desktop), simultaneously send to terminal device according to proprietary virtual desktop agreement.User terminal signs in on fictitious host computer, namely by the desktop system of network access oneself.The desktop of user and terminal device are separated by it, make desktop depart from the constraint of hardware, but due to a large amount of uses of peripheral hardware, fettered the fast development of desktop virtual, the peripheral hardware problem therefore solving desktop virtual has become the most important thing.
Desktop cloud (DAAS) for enterprises and individuals user provides various desktop namely serve, and peripheral apparatus to be desktop indispensable, such as USB storage device, printer apparatus, U-ke
yequipment is all indispensable device type in personal work, for the equipment USB storage device being the longest use inside desktop cloud, the simple mapping problems that can only solve peripheral hardware is mapped in agreement under tradition, at basic network, all problem is shown with in Large Volume Data copy, such as copy peripheral data and need a large amount of bandwidth, and take the time delay that a large amount of bandwidth causes network, the condition that peripheral hardware maps cannot be met, cause mapping unsuccessfully, if the speed of restriction copied files, the time so copying large files will be very long, lost the experience of user.
Summary of the invention
The object of the present invention is to provide a kind of memory device mapping method based on desktop virtual technology and system, stablize to realize memory device device map in desktop cloud environment, respond fast.
The object of the invention is to be achieved through the following technical solutions.
Based on a memory device mapped system for desktop virtual technology, comprising: virtual desktop server, virtual machine and set up the terminal device of data cube computation with virtual machine;
Described terminal device comprises thin client, described thin client is provided with VRS server module and memory device driver module,
Described VRS server module for read USB storage device amount of capacity and USB store in fileinfo and drive USB storage device by memory device driver module;
Described virtual machine is provided with a VRS client modules, for receive USB storage device amount of capacity that VRS server module sends and USB store in fileinfo.
Further preferably, described VRS server module is also for sending to VRS client modules by the fileinfo packing in USB storage device amount of capacity and USB storage.
Further preferably, in described VRS client modules, create a VFS virtual machine file module, the fileinfo in storing for buffer memory USB storage device amount of capacity and USB.
Further preferably, described virtual desktop server is for providing software runtime environment and the virtual machine parametric controller of virtual machine.
Further preferably, described virtual machine is used for providing virtual desktop environment to terminal user.
Based on a memory device mapping method for desktop virtual technology, comprise step:
A:VRS server module reads and drives USB storage device;
Fileinfo packing in USB storage device amount of capacity and USB store by b:VRS server module sends to VRS client modules;
C: the fileinfo in USB storage device amount of capacity and USB being stored is cached to VFS virtual machine file module.
Further preferably, the virtual machine file of VFS described in step c module is according to bandwidth situation, and progressively cache information is to USB storage device.
The present invention compared with prior art, have the following advantages: the memory device mapping method based on desktop virtual technology provided by the invention and system, compatible all USB storage device under can be implemented in desktop cloud (DAAS) environment, shield the electrical specification of USB storage device, improve stability and transmission speed that memory device maps under desktop cloud, solve memory device in basic network, there is data transmission, when volume of transmitted data is larger, whole network condition is deteriorated, USB storage device maps unstable, transmission speed is slow, the problems such as copy time is long.
Accompanying drawing explanation
Fig. 1 is the memory device mapped system theory diagram that the present invention is based on desktop virtual technology;
Fig. 2 is the memory device mapping method process flow diagram that the present invention is based on desktop virtual technology.
Fig. 3 be in virtual machine of the present invention reading and writing of files to USB storage device particular flow sheet.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Before description technical solution of the present invention, first explain lower corresponding vocabulary of terms:
VRS: peripheral hardware mapped system software is the peripheral hardware mapped system software for meeting peripheral hardware mapping requirement under desktop virtual and desktop cloud environment.
TC: thin client (thin client) is the special commercial PC of small-sized industry of the Based PC industry standard design using professional flush bonding processor, small-sized local flash memory, scaled-down version operating system.
VM: virtual machine (Virtual Machine) refer to by software simulation have complete hardware system function, the complete computer operated in a completely isolated environment.
DAAS: namely desktop serves (Desktop as a service), also can be regarded as desktop cloud, by cloud computing theory, using desktop as service form be supplied to terminal user, can be understood as DAAS be SAAS content a part.
Refer to shown in Fig. 1, the present invention is based on the memory device mapped system theory diagram of desktop virtual technology, comprising: virtual desktop server, virtual machine and set up the terminal device of data cube computation with virtual machine;
Virtual desktop server is for providing software runtime environment and the virtual machine parametric controller of virtual machine.
Virtual machine is used for providing virtual desktop environment to terminal user.
Described terminal device comprises thin client, and Suo Shu Of-thin client computer is provided with VRS server module and memory device driver module,
VRS server module for read USB storage device amount of capacity and USB store in fileinfo and drive USB storage device by memory device driver module;
Further, VRS server module is also for sending to VRS client modules by the fileinfo packing in USB storage device amount of capacity and USB storage.
Described virtual machine is provided with a VRS client modules, for receive USB storage device amount of capacity that VRS server module sends and USB store in fileinfo.
Particularly, VRS client modules is arranged in virtual machine (VM), creates a VFS virtual machine file module in VRS client modules, the fileinfo in storing for buffer memory USB storage device amount of capacity and USB.
Refer to shown in Fig. 2, the present invention is based on the memory device mapping method process flow diagram of desktop virtual technology, comprising:
Step 201:VRS server module reads and drives USB storage device;
Particularly, terminal device thin client inserts USB storage device, VRS server module reads the fileinfo in USB storage device amount of capacity and USB storage and drives USB storage device by memory device driver module.
Fileinfo packing in USB storage device amount of capacity and USB store by step 202:VRS server module sends to VRS client modules;
Step 203: the fileinfo in USB storage device amount of capacity and USB being stored is cached to VFS virtual machine file module.
Particularly, VRS client modules is arranged in virtual machine (VM), creates a VFS virtual machine file module in VRS client modules, the fileinfo in storing for buffer memory USB storage device amount of capacity and USB.
Embodiment:
Refer to shown in Fig. 3, in virtual machine, reading and writing of files is to USB storage device idiographic flow:
Step 301: open USB storage device on a virtual machine, reads the USB storage device amount of capacity in VFS virtual machine file module and the fileinfo in USB storage;
Step 302: copied files information is to VFS virtual machine file module;
Step 303:VFS virtual machine file module is according to bandwidth situation, and progressively cache information is to USB storage device.
Memory device mapping method based on desktop virtual technology provided by the invention and system, compatible all USB storage device under can be implemented in desktop cloud (DAAS) environment, shield the electrical specification of USB storage device, improve stability and transmission speed that memory device maps under desktop cloud, solve memory device in basic network, there is data transmission, when volume of transmitted data is larger, whole network condition is deteriorated, and USB storage device maps the problems such as unstable, transmission speed is slow, copy time is long.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. based on a memory device mapped system for desktop virtual technology, comprising: virtual desktop server, virtual machine and set up the terminal device of data cube computation with virtual machine; It is characterized in that,
Described terminal device comprises thin client, described thin client is provided with VRS server module and memory device driver module,
Described VRS server module for read USB storage device amount of capacity and USB store in fileinfo and drive USB storage device by memory device driver module;
Described virtual machine is provided with a VRS client modules, for receive USB storage device amount of capacity that VRS server module sends and USB store in fileinfo.
2. as claimed in claim 1 based on the memory device mapped system of desktop virtual technology, it is characterized in that, described VRS server module is also for sending to VRS client modules by the fileinfo packing in USB storage device amount of capacity and USB storage.
3. as claimed in claim 1 based on the memory device mapped system of desktop virtual technology, it is characterized in that, a VFS virtual machine file module is created, the fileinfo in storing for buffer memory USB storage device amount of capacity and USB in described VRS client modules.
4., as claimed in claim 1 based on the memory device mapped system of desktop virtual technology, it is characterized in that, described virtual desktop server is for providing software runtime environment and the virtual machine parametric controller of virtual machine.
5. as claimed in claim 1 based on the memory device mapped system of desktop virtual technology, it is characterized in that, described virtual machine is used for providing virtual desktop environment to terminal user.
6., based on a memory device mapping method for desktop virtual technology, it is characterized in that, comprise step:
A:VRS server module reads and drives USB storage device;
Fileinfo packing in USB storage device amount of capacity and USB store by b:VRS server module sends to VRS client modules;
C: the fileinfo in USB storage device amount of capacity and USB being stored is cached to VFS virtual machine file module.
7., as claimed in claim 6 based on the memory device mapping method of desktop virtual technology, it is characterized in that, the virtual machine file of VFS described in step c module is according to bandwidth situation, and progressively cache information is to USB storage device.
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| CN201410582316.6A CN104881315A (en) | 2014-10-27 | 2014-10-27 | Desktop virtualization technology based storage device mapping method and system |
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| CN201410582316.6A CN104881315A (en) | 2014-10-27 | 2014-10-27 | Desktop virtualization technology based storage device mapping method and system |
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| CN105183675A (en) * | 2015-09-30 | 2015-12-23 | 华为技术有限公司 | USB equipment access method, device and system, terminal and server |
| CN109150863A (en) * | 2018-07-31 | 2019-01-04 | 华为技术有限公司 | Access control method, device and the desktop cloud terminal equipment of desktop cloud |
| CN109857465A (en) * | 2018-11-23 | 2019-06-07 | 广东微云科技股份有限公司 | A kind of automatic installation method and system of cloud desktop usb driving |
| CN111143265A (en) * | 2019-12-30 | 2020-05-12 | 锐捷网络股份有限公司 | Data transmission method and device based on virtual machine |
| CN113805952A (en) * | 2021-09-17 | 2021-12-17 | 中国联合网络通信集团有限公司 | Peripheral virtualization management method, server and system |
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Cited By (10)
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| CN105183675A (en) * | 2015-09-30 | 2015-12-23 | 华为技术有限公司 | USB equipment access method, device and system, terminal and server |
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| CN109150863B (en) * | 2018-07-31 | 2020-10-09 | 华为技术有限公司 | Desktop cloud access control method and device and desktop cloud terminal equipment |
| CN109857465A (en) * | 2018-11-23 | 2019-06-07 | 广东微云科技股份有限公司 | A kind of automatic installation method and system of cloud desktop usb driving |
| CN111143265A (en) * | 2019-12-30 | 2020-05-12 | 锐捷网络股份有限公司 | Data transmission method and device based on virtual machine |
| CN113805952A (en) * | 2021-09-17 | 2021-12-17 | 中国联合网络通信集团有限公司 | Peripheral virtualization management method, server and system |
| CN113805952B (en) * | 2021-09-17 | 2023-10-31 | 中国联合网络通信集团有限公司 | Peripheral virtualization management method, server and system |
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