CN102255974A - Cloud storage method for cloud computing server - Google Patents
Cloud storage method for cloud computing server Download PDFInfo
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- CN102255974A CN102255974A CN2011102439378A CN201110243937A CN102255974A CN 102255974 A CN102255974 A CN 102255974A CN 2011102439378 A CN2011102439378 A CN 2011102439378A CN 201110243937 A CN201110243937 A CN 201110243937A CN 102255974 A CN102255974 A CN 102255974A
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Abstract
The invention discloses a cloud storage method for a cloud computing server, belonging to the technical field of computer networks. The method comprises the following steps: (1) a cloud computing server group server and a client registers on a middleware server respectively; (2) the middleware server searches a local database and looks up an operable file and a usable cloud computing server group for a current user; (3) the user selects an upload file, fragments the file and transmits the file fragments to the middleware server; (4) the middleware server verifies the upload file, requires the user to retransmit if the upload file is wrong, and transmits data to the cloud computing server group usable for the user if the upload file is correct; (5) the cloud computer server group rearranges and stores the received data and sends a success message to the middleware server; and (6) the middleware server establishes mapping between the name of the upload file and the user. According to the invention, the correctness and integrity of a data transmitting process and the privacy of data are ensured, and high reliability of normal work of the server group is ensured.
Description
Technical field
The present invention is based on the safe transmission middleware, is specifically related to a kind of cloud storage means of cloud computing server, has high security, high reliability, makes things convenient for advantages such as the user uses.
Background technology
The core concept of cloud computing is computational resource unified management and the scheduling that connects with network in a large number, constitutes a computational resource pond to user's on-demand service.
The cloud stores service flow chart of current cloud computing server is seen Fig. 1, the steps include:
Step 1: confirm user identity;
Step 2: allow the client to upload data, provide the user to upload the data flow that data need;
Step 3: the user uploads data with the form of data flow to server end;
Step 4: data upload finishes;
Step 5: finish.
Data are uploaded with the form of stream and can't be checked and its correctness of verification and integrality.The data process of downloading is similar.
After confirming user right, allow the user directly to be transferred to the Cloud Server end by network, the file that the user is transmitted is not tested and is checked, the whether correct complete transmission of safety, do not give user prompt, occur in the transmission wrong and whether need to transmit again needs the user to judge voluntarily.The responsibility that erroneous transmissions is brought needs user itself to bear, and the progress of transmission is not given user prompt.
Exist in the above-mentioned cloud platform potential safety hazard be:
The user upload data correctness, integrality can not get ensureing;
2. even mistake appears in the data uploaded of user, the user also can use as correct data, consequence that causes and loss directly and user's business hook, data are important more, the consequence that causes is just serious more;
The user upload data whether finish can not obtain the prompting, the waste stand-by period;
4. if use same group of cloud computing server, Any user can be visited the data that other users upload;
5. the integrality of the employed data of calculation procedure and correctness can not get ensureing;
The essential reason that above-mentioned potential safety hazard occurs is a data transfer mode, and there is deficiency in the file management mode.At first, aspect data transfer mode, the data upload that common Cloud Server adopts is based on the mode of data flow, data flow transmission, when begin, when finish, whether the data that transmit are correct, whether have packet drop in the transmission course, after having occurred wrong being perceived in the middle of the transmission, the data that need abandon having transmitted retransfer, and all data all are just directly to have stored on the cloud stores service without checking.Secondly, if a cloud computing server group can only have a user to use, in most cases can cause the waste of resource.Common cloud computing server group allows cloud storage and the cloud computing service that a plurality of people use it simultaneously to be provided, but it is not add differentiation to the user, this is a shared data with regard to having caused all user's data, and the computation schema of uploading is also shared, and has caused data-privacy to be on the hazard.Once more, user's professional technique is limited, directly allows user's operations server group, directly threatens the normal operation of server group, if user's faulty operation makes the server group collapse, other user's data fail safes can not get ensureing at all so.
Summary of the invention
At problems of the prior art, the object of the present invention is to provide a kind of cloud storage means of cloud computing server.The present invention is based on the safe transmission middleware, the potential safety hazard that occurs in the time of can avoiding data upload, and the rights management of using among the present invention can guarantee the safety of user's data and result of calculation.
Technical scheme of the present invention is:
A kind of cloud storage means of cloud computing server, its step is
1) server in the cloud computing server group is registered to middleware server; The user registers to middleware server by client, and the cloud computing server group that this user can use is set;
2) middleware server is according to the user of client login, and the search local data base finds out the file that the active user can operate, available cloud computing server group;
3) user selects the file that need upload in this locality, is transferred to middleware server after being divided into the data block of setting size;
4) middleware server carries out verification to upload file; If lack certain data block or, then require this user place client that this data block is retransmitted not by verification, if correct, the cloud computing server group that transfer of data can be used to this user then;
5) the cloud computing server group is recombinated, is stored according to the data block numbering receiving data, and sends success message to middleware server;
6) middleware server stores file name of uploading and the user id that uploads this document in the local data base into, sets up file name and user's mapping.
Further, user place client is transferred to described middleware server with the data block numbering and the MD5 check code of upload file, and middleware server is numbered each data block and checks and the MD5 check.
Further, the file that can operate of described active user comprises the file that file that the active user of middleware server setting has the right to use and active user upload.
Further, described cloud computing server group comprises: Task Distribution server, name name server, name server mirror image, task server and storage server.
Further, the described cloud computing server group of described middleware server dynamic monitoring, its method is:
1) storage server that moves in the cloud computing server group of middleware server sends the dynamic monitoring order of checking the resource operating position;
2) storage server of receiving described dynamic monitoring order in the cloud computing server group is reported each resource operating position of current this locality to described middleware server;
3) described middleware server gathers the cloud computing server group and reports situation, obtains the ruuning situation of cloud computing server group integral body; If the load of cloud computing server group surpasses overall load or memory capacity surpasses setting threshold, then described middleware server adds the storage server of a free time to the cloud computing server group.
Further, if the overall load of cloud computing server group is lower than the memory capacity of preset threshold or cloud computing server group and is lower than preset threshold in setting-up time in setting-up time, then described middleware server is deleted a storage server from the storage server of the current operation of cloud computing server group.
Further, described resource comprises: CPU and hard disk.
Compared with prior art, good effect of the present invention is:
Compare with general cloud computing service, the present invention preferably resolves safety issue.
1. the present invention to the inspection and the verification of burst, has guaranteed the correctness and the integrality of data transmission procedure by the burst transmission of data;
2. the present invention is by to the management of user right, realized the server group reuse and the user between data separating, guaranteed the privacy of data;
3. the present invention is by the adding of middleware layer, with user's operation and server component from, by the excuse that middleware provides, guaranteed the high reliability of server group operate as normal.
Compare with general cloud computing service, the present invention has also added a lot of intelligent elements.
1. the present invention allows the user that the platform number of server group server is set as required, and according to service object and professional increase or minimizing, corresponding machine quantity can add and reduce dynamically.
2. dynamic monitoring service of the present invention can view the ruuning situation of a machine in the server group, and according to the overall operation situation, decision is added or reduced or maintains the statusquo.
3. the present invention can realize dynamic load balance, when allocating task, is to distribute according to the current task quantity of moving of server, in the many suitable allocating tasks of lacking of the task of operation, in the few overabsorption task of operation task.Certain station server machine of delaying in the running can guarantee correctly being performed of task with the task transfers that is assigned to this server to other server.Thereby the service efficiency that guarantees every station server one than higher level, do not cause machine again because resource exhaustion and deadlock.The service efficiency of the machine of server group all when high level, for guaranteeing the smooth execution of follow-up service, needs the dynamic machine that adds, and guarantees the health of server group.
Description of drawings
The common cloud computing server cloud of Fig. 1 Stored Procedure figure;
Fig. 2 embodiment of the invention cloud computing server cloud Stored Procedure figure;
Fig. 3 embodiment of the invention cloud computing server dynamic monitoring flow chart;
Fig. 4 embodiment of the invention cloud computing server topology diagram.
Embodiment
In order to be illustrated more clearly in the present invention, the present invention is described in detail below in conjunction with drawings and Examples.
Embodiments of the invention provide safe cloud stores service, are guaranteeing data transmission security, calculate on the quick and correct basis, by the management to authority, make user's data can not touched by other people, guarantee the fail safe of data and result of calculation.When downloading result of calculation, guarantee to download the correctly complete of result simultaneously.
Cloud computing server cloud memory function step (flow chart is seen Fig. 2) in the embodiment of the invention:
Step 1: the server in the cloud computing server group is registered to middleware server, and user registration is selected corresponding cloud computing server group, subscriber authentication;
Step 2: middleware server is made response, and according to user's identity information, the search local data base finds out the file that can operate under the user right, the cloud computing server group of use to middleware end server automatically;
Step 3: the user selects the file that need upload in this locality, is transferred to middleware server after data file being divided into the fragment sheet of fixed size;
Step 4: middleware server carries out the MD5 verification, if the numbering of data block and verification are correct, the cloud computing server group that transfer of data can be used to this user, if mistake, to require client that the individual data sheet is retransmitted, until the whole correct end of transmissions of all data slice;
Step 5: the cloud computing server group is recombinated data, store according to the burst numbering after receiving whole data;
Step 6: cloud computing server sends message to middleware server, informs the storage that data are correct and complete;
Step 7: middleware server stores file name and the corresponding user id that uploads in the local data base into, is mapped to the user who uploads this resource, sends message to client, informs the storage that data are correct and complete;
Step 8: finish.
The file that embodiments of the invention have the right to use to user and user, the file that user oneself uploads all have record, middleware server all can get up the title of these files (promptly with user's name map, the file that the file that maps with certain user has the right to operate for this user), be saved in the local database, in the above-mentioned steps, by checking to user identity, find out the file that the user has the right to manipulate, guarantee other user's data privacies.The user selects in the upload file process, client can be uploaded file fragmentation, can carry out verification and numbering to file during burst, in the lump MD5 check code and data block numbering are transferred to middleware server, middleware server is after receiving, can check and verification it, after guaranteeing correctly, data further could be uploaded to cloud computing server group end, server end also can be checked and verification data, if a certain step has been found check errors or numbering confusion, will notify client that this sheet file is uploaded again, guarantee data integrity and correct in, the resource of correctly having uploaded before avoiding repeats to upload, and improves the efficient of uploading.Entire data files uploaded finish after, client can send end of transmission message to middleware server, middleware server sends to cloud computing server group server end with this message, after server end receives, data are integrated storage, after storage finishes, send storage and finish message to middleware server, after middleware server receives this message, this document and user can be set up mapping, have only this user that authority is arranged to the operation of this file, other are used these data of people of this server group is transparent, guarantees the privacy of user data.By above-mentioned verification step by step, guaranteed that the complete sum of data is correct.
Cloud computing server dynamic monitoring functional steps (flow chart is seen Fig. 3) in the embodiment of the invention:
Step 1: the storage server of middleware server current operation in the cloud computing server group sends checks the dynamic monitoring order, orders each storage server of current operation that cpu, the internal memory of self, the operating position of hard disk are reported to middleware server;
Step 2: in the cloud computing server group current operation each storage server all directly report each resource operating position of current this locality to middleware server;
Step 3: middleware server gathers the cloud computing server group and reports situation, according to the ruuning situation of server group integral body,
Surpass certain setting threshold if surpass overall load or memory capacity, middleware server adds the storage server of a free time for the cloud computing server group, when overall load and memory capacity in setting-up time, all maintain and be lower than setting threshold, middleware server is deleted a storage server from the storage server of the current operation of cloud computing server group;
Step 4: finish.
By the dynamic monitoring function, obtain the resource consumption situation of each server of server group, middleware server gathers these situations, and by gathering to these situations, make the action that increases machine or reduce machine, guaranteeing that the server group neither causes the serious waste of resource, can be not the demand that cloud computing and cloud storage can't be satisfied the user because of machine resources exhausts again.Can also be by to the gathering of server resource, it is unusual to perceive delay machine etc. of machine, checks the software and hardware of server timely, guarantees that the machine in the server group can operate as normal.
See Fig. 4 for the topological structure that isolation realized of realizing client and server group in the embodiments of the invention.
By this kind topological structure, make client directly to communicate by letter with server end, can avoid the collapse to the improper operation initiation of server end server end of client.Middleware server plays the effect of forming a connecting link, the client and server end is exposed the interface of oneself, client is used the service of server end, need realize by the standard interface that middleware server provides, guaranteed the security of operation of server end to the full extent, guaranteed the use of other users cloud computing and cloud storage clothes.Middleware server can monitor all machine ruuning situations in the cloud computing server group again simultaneously, ruuning situation to affair device group gathers timely, machine or few machine are added in good time prompting, find the machine of cisco unity malfunction, the correction that the pedestrian is, guarantee the high efficiency of cloud service, high security offer the user.
Client is can not remove with the server group fully as seen from the figure, thereby has avoided the faulty operation of client to cause the situation of server failing to take place, and guarantees the safety of cloud computing server group.
Claims (7)
1. the cloud storage means of a cloud computing server, its step is
1) server in the cloud computing server group is registered to middleware server; The user registers to middleware server by client, and the cloud computing server group that this user can use is set;
2) middleware server is according to the user of client login, and the search local data base finds out the file that the active user can operate, available cloud computing server group;
3) user selects the file that need upload in this locality, is transferred to middleware server after being divided into the data block of setting size;
4) middleware server carries out verification to upload file; If lack certain data block or, then require this user place client that this data block is retransmitted not by verification, if correct, the cloud computing server group that transfer of data can be used to this user then;
5) the cloud computing server group is recombinated, is stored according to the data block numbering receiving data, and sends success message to middleware server;
6) middleware server stores file name of uploading and the user id that uploads this document in the local data base into, sets up file name and user's mapping.
2. the method for claim 1 is characterized in that user place client is transferred to described middleware server with the data block numbering and the MD5 check code of upload file, and middleware server is numbered each data block and checks and the MD5 check.
3. method as claimed in claim 1 or 2 is characterized in that the file that file that file that described active user can operate comprises that the active user of middleware server setting has the right to use and active user upload.
4. method as claimed in claim 1 or 2 is characterized in that described cloud computing server group comprises: Task Distribution server, name name server, name server mirror image, task server and storage server.
5. method as claimed in claim 4 is characterized in that the described cloud computing server group of described middleware server dynamic monitoring, and its method is:
1) storage server that moves in the cloud computing server group of middleware server sends the dynamic monitoring order of checking the resource operating position;
2) storage server of receiving described dynamic monitoring order in the cloud computing server group is reported each resource operating position of current this locality to described middleware server;
3) described middleware server gathers the cloud computing server group and reports situation, obtains the ruuning situation of cloud computing server group integral body; If the load of cloud computing server group surpasses overall load or memory capacity surpasses setting threshold, then described middleware server adds the storage server of a free time to the cloud computing server group.
6. method as claimed in claim 5, it is characterized in that being lower than preset threshold if the overall load of cloud computing server group is lower than the memory capacity of preset threshold or cloud computing server group in setting-up time in setting-up time, then described middleware server is deleted a storage server from the storage server of the current operation of cloud computing server group.
7. method as claimed in claim 5 is characterized in that described resource comprises: CPU and hard disk.
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