CN109597671A - A kind of desktop cloud implementation method being compatible with centralized and distributed operation - Google Patents

A kind of desktop cloud implementation method being compatible with centralized and distributed operation Download PDF

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Publication number
CN109597671A
CN109597671A CN201811511469.6A CN201811511469A CN109597671A CN 109597671 A CN109597671 A CN 109597671A CN 201811511469 A CN201811511469 A CN 201811511469A CN 109597671 A CN109597671 A CN 109597671A
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data
disk
increment
virtual machine
terminal
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CN109597671B (en
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吴博闻
季统凯
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G Cloud Technology Co Ltd
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G Cloud Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/451Execution arrangements for user interfaces
    • G06F9/452Remote windowing, e.g. X-Window System, desktop virtualisation

Abstract

The present invention relates to desktop virtual technology field, especially a kind of desktop cloud implementation method for being compatible with centralized and distributed operation.The method of the present invention includes virtual-machine data synchronization and pattern switchings;Desktop cloud specifically based on centralization, realizes virtual machine incremental data and synchronizes, and terminal system is reappeared the desktop cloud virtual machine in calculate node at the terminal by three original image, increment disk and operating status files.The problems such as span cloud migration virtual machine that the present invention solves multiple cloud platforms is complicated, moving method is not general;It can be applied to cloudy administrative skill field.The present invention solve the problems, such as centralization operation desktop cloud terminal can not in the case where offline without network normal use;The sensitive of centralized operational mode has been taken into account, while feature in data set, has had stabilization, the independent feature of distributed operational mode;It can be applied to the realization of desktop cloud.

Description

A kind of desktop cloud implementation method being compatible with centralized and distributed operation
Technical field
The present invention relates to desktop virtual technology field, especially a kind of desktop cloud for being compatible with centralized and distributed operation Implementation method.
Background technique
More and more enterprises use desktop cloud platform to apply to solve the problems, such as office now.Due to cloud computing technology spy Point, the realization of desktop cloud are divided into distributed operation and centralization operation, and enterprise selects different desktop clouds to run mould according to demand Formula.Centralized operational mode reliance server, once network failure, servers go down, all desktop clouds stop working Risk.Distributed operational mode data storage is also distribution, is not concentrated, not flexible.Two kinds of operational modes cut both ways.
Because enterprise is related to that industry is different, network environment control is different, the problem of leading to network failure, happens occasionally.Traditional Centralized operational mode can not cope with this problem, replace distributed running equipment and need expense and complex steps outside disbursement Data Migration work, this makes the enterprise for having used desktop cloud be stranded.
Summary of the invention
Present invention solves the technical problem that being to provide a kind of desktop cloud realization side for being compatible with centralized and distributed operation Method;The desktop cloud for having centralized and distributed advantage concurrently is provided.
The technical solution that the present invention solves above-mentioned technical problem is:
The method includes virtual-machine data synchronization and pattern switching;Desktop cloud specifically based on centralization, to void Quasi- machine incremental data, which is realized, to be synchronized, and terminal system is by three original image, increment disk and operating status files by calculate node In desktop cloud virtual machine reappear at the terminal.
The data, which synchronize, to be included the following steps:
Terminal system downloads virtual machine original image;
The desktop cloud virtual machine in calculate node is run, operation data is increased;
Snapshot is executed to the desktop cloud virtual machine in calculate node, generates new snapshot;
It copies and merges the data disk incremental data in new snapshot;
Synchrodata is sent to terminal;
Terminal system merges incremental data, replaces operating status file;
Synchronized result is sent to calculate node.
The terminal system downloads virtual machine original image
Terminal system runs centralized desktop cloud virtual machine;
Terminal is according to the corresponding original image file of desktop cloud virtual machine download and incremental data disk of operation;Such as desktop cloud Virtual machine did not generated incremental data before this, then only downloaded original image file;
Calculate node is to the corresponding image file of terminal transmission and mirror image cryptographic Hash;
After being transmitted, whether terminal calculates the cryptographic Hash of image file and compares consistent with calculate node;Verify file Consistency.
The operation data includes data disk information and memory condition information.
The method, calculate node are to carry out snapshot to desktop cloud virtual machine according to preconfigured interval time;Fastly According to including virtual machine disk increment information at that time and running state information in file.
The copy simultaneously merges the data disk incremental data in new snapshot and includes:
The increment data in magnetic disk copy in a snapshot is copied, former increment data in magnetic disk is as data to be sent;
The disc information text of the old data in magnetic disk file mergences Cheng Xin of increment will have been merged in copy and desktop cloud virtual machine Part.
The synchrodata includes: the synchronous cloud of the timestamp of this synchrodata, the ID of this synchrodata, needs Desktop virtual machine ID, description, increment data in magnetic disk and the operation shape whether increment disk and running state data synchronized State data cryptographic Hash, former increment disk cryptographic Hash, increment data in magnetic disk, running state data.
The terminal system merges incremental data, replacement operating status file includes:
According to the consistency for the cryptographic Hash verification synchrodata that calculate node provides, request to count if there is not same case Operator node retransmits;
The former increment disk of comparison terminal and the former increment disk cryptographic Hash in synchrodata, guarantee in terminal and calculate node Former increment disk is identical;If consistent, increment data in magnetic disk is merged into the increment disk of terminal, forms increment disk;If inconsistent, Calculate node is then requested to transmit newest increment disk file, as terminal increment disk
With the running state data of the operating status file replacement terminal in synchrodata.
Method of the invention, the desktop cloud terminal for solving centralization operation can not be normal in the case where offline without network The problem of use.It can be applied to network and be easy the production environment of unexpected abnormality or the desktop cloud environment of office.Centralization is taken into account Operational mode it is sensitive, while feature in data set, have stabilization, the independent feature of distributed operational mode.
Detailed description of the invention
The following further describes the present invention with reference to the drawings:
Fig. 1 is the flow chart of software recommendation method in the embodiment of the present invention;
Fig. 2 is the structural schematic diagram of software recommender system in the embodiment of the present invention;
Fig. 3 is the virtual machine catalogue schematic diagram of terminal system in the embodiment of the present invention.
Specific embodiment
As shown in figure 1 to 3, the implementation of the present invention program is built in the centralized operational mode of desktop cloud, is divided into virtual machine Data synchronization and pattern switching two parts.
Fig. 1 is the flow chart that virtual-machine data is synchronous in one embodiment.This method comprises:
1. terminal system downloads virtual machine original image.
A) terminal system runs centralized desktop cloud virtual machine;
B) terminal is according to the corresponding original image file of desktop cloud virtual machine download and incremental data disk of operation.Such as desktop Cloud virtual machine did not generated incremental data before this, then only downloaded original image file.
C) calculate node is to the corresponding image file of terminal transmission and mirror image cryptographic Hash;
D) after being transmitted, whether terminal calculates the cryptographic Hash of image file and compares consistent with calculate node;Cryptographic Hash For hash function calculated result, different file cryptographic Hash is not then identical, is used herein as cryptographic Hash verification file consistence.
2. running the desktop cloud virtual machine in calculate node, increase operation data.
Operation data includes data disk information and memory condition information.
3. executing snapshot to the desktop cloud virtual machine in calculate node, new snapshot is generated.
Calculate node carries out snapshot according to preconfigured interval time, to desktop cloud virtual machine.Snapshot operation is to remember The data disk information and running state information of record at that time, and generate snapshot document.In snapshot document at that time comprising virtual machine Disk increment information and running state information.
4. copying and merging the data disk incremental data in new snapshot.
A) the increment data in magnetic disk copy in a snapshot is copied, former increment data in magnetic disk is as data to be sent;
B) by copy and desktop cloud virtual machine it is old merged increment data in magnetic disk (hereinafter referred to as increment disk) file mergences The disc information file of Cheng Xin.
5. sending synchrodata to terminal.
" synchrodata " includes: the synchronous cloud desktop of the timestamp of this synchrodata, the ID of this synchrodata, needs Virtual machine ID, description, increment data in magnetic disk and the operating status number whether increment disk and running state data synchronized According to cryptographic Hash, former increment disk cryptographic Hash, increment data in magnetic disk, running state data.
6. terminal system merges incremental data, operating status file is replaced.
A) consistency of the cryptographic Hash verification synchrodata provided according to calculate node, is requested if there is not same case Calculate node retransmits;
B) the former increment disk cryptographic Hash in the former increment disk of comparison terminal and synchrodata, guarantees in terminal and calculate node Former increment disk it is identical.If consistent, increment data in magnetic disk is merged into the increment disk of terminal, the increment disk of formation.If no Unanimously, then calculate node is requested to transmit newest increment disk file, as terminal increment disk.
C) with the running state data of the operating status file replacement terminal in synchrodata.
7. sending synchronized result to calculate node.
Fig. 2 is the flow chart of pattern switching in one embodiment.This method comprises:
1. switching distributed operational mode.
Distributed operational mode is selected in the operation interface of terminal system or is occurred and calculate node connecting fault, system Voluntarily switch.
2. terminal system creates virtual machine according to original image.
3. the increment disk of terminal local and operating status file are reverted in virtual machine.
In the virtual machine after being used for a long time, synchrodata can be increased with it.In order to guarantee the experience of distributed operation, Sync section data may be selected in user, reduce the time overhead of simultaneously operating.

Claims (8)

1. a kind of desktop cloud implementation method for being compatible with centralized and distributed operation, it is characterised in that: the method includes void Quasi- machine data synchronization and pattern switching;Desktop cloud specifically based on centralization, realizes virtual machine incremental data and synchronizes, terminal System is reappeared the desktop cloud virtual machine in calculate node in terminal by three original image, increment disk and operating status files On.
2. according to the method described in claim 1, it is characterized by: the data synchronize and include the following steps:
Terminal system downloads virtual machine original image;
The desktop cloud virtual machine in calculate node is run, operation data is increased;
Snapshot is executed to the desktop cloud virtual machine in calculate node, generates new snapshot;
It copies and merges the data disk incremental data in new snapshot;
Synchrodata is sent to terminal;
Terminal system merges incremental data, replaces operating status file;
Synchronized result is sent to calculate node.
3. according to the method described in claim 2, it is characterized by:
The terminal system downloads virtual machine original image
Terminal system runs centralized desktop cloud virtual machine;
Terminal is according to the corresponding original image file of desktop cloud virtual machine download and incremental data disk of operation;As desktop cloud is virtual Machine did not generated incremental data before this, then only downloaded original image file;
Calculate node is to the corresponding image file of terminal transmission and mirror image cryptographic Hash;
After being transmitted, whether terminal calculates the cryptographic Hash of image file and compares consistent with calculate node;It is consistent to verify file Property.
4. according to the method described in claim 2, it is characterized by:
The operation data includes data disk information and memory condition information.
5. according to the method described in claim 2, it is characterized by:
The method, calculate node are to carry out snapshot to desktop cloud virtual machine according to preconfigured interval time;Snapshot text Include virtual machine disk increment information at that time and running state information in part.
6. according to the method described in claim 2, it is characterized by:
The copy simultaneously merges the data disk incremental data in new snapshot and includes:
The increment data in magnetic disk copy in a snapshot is copied, former increment data in magnetic disk is as data to be sent;
The disc information file of the old data in magnetic disk file mergences Cheng Xin of increment will have been merged in copy and desktop cloud virtual machine.
7. according to the method described in claim 2, it is characterized by:
The synchrodata includes: the synchronous cloud desktop of the timestamp of this synchrodata, the ID of this synchrodata, needs Virtual machine ID, description, increment data in magnetic disk and the operating status number whether increment disk and running state data synchronized According to cryptographic Hash, former increment disk cryptographic Hash, increment data in magnetic disk, running state data.
8. according to the method described in claim 2, it is characterized by:
The terminal system merges incremental data, replacement operating status file includes:
According to the consistency for the cryptographic Hash verification synchrodata that calculate node provides, requests to calculate if there is not same case and save Point retransmits;
The former increment disk of comparison terminal and the former increment disk cryptographic Hash in synchrodata guarantee the former increasing in terminal and calculate node It is identical to measure disk;If consistent, increment data in magnetic disk is merged into the increment disk of terminal, forms increment disk;If inconsistent, ask Calculate node is asked to transmit newest increment disk file, as terminal increment disk
With the running state data of the operating status file replacement terminal in synchrodata.
CN201811511469.6A 2018-12-11 2018-12-11 Desktop cloud implementation method compatible with centralized and distributed operation Active CN109597671B (en)

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