CN102801806A - Cloud computing system and cloud computing resource management method - Google Patents
Cloud computing system and cloud computing resource management method Download PDFInfo
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- CN102801806A CN102801806A CN201210285773XA CN201210285773A CN102801806A CN 102801806 A CN102801806 A CN 102801806A CN 201210285773X A CN201210285773X A CN 201210285773XA CN 201210285773 A CN201210285773 A CN 201210285773A CN 102801806 A CN102801806 A CN 102801806A
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Abstract
The invention discloses a cloud computing system and a cloud computing resource management method. The cloud computing system comprises at least one cloud computing subsystem; the cloud computing subsystem comprises a physical machine, physical storage equipment and a storage resource management module; at least one virtual machine for bearing application is configured in the physical machine, and each virtual machine utilizes virtual storage resources in the physical storage equipment; a plurality of virtual storage resources corresponding to the virtual machines are configured in the physical storage equipment, and all the virtual storage resources are logically independent of one another; and the storage resource management module comprises a storage resource allocation unit used for allocating corresponding virtual storage resources from the physical storage equipment to the virtual machines according to the requirements of the virtual machines. By adopting the above scheme, not every physical machine has to be equipped with high-reliability storage equipment while the data reliability is guaranteed, so that not only is the system implementation cost lowered, but also the circulation of resources in the system is facilitated, and accordingly, the requirements of the cloud computing system are better conformed.
Description
Technical field
The present invention relates to the virtual machine technique field, particularly relate to a kind of cloud computing system and cloud computing method for managing resource.
Background technology
Cloud computing (cloud computing) is based on increase, use and the delivery mode of the related service of the Internet, and being usually directed to provides dynamically, is prone to expansion and often be the resource of virtual form through the Internet.Cloud is a kind of metaphor saying of Internet resources, and the cloud of narrow sense refers to network infrastructure, and the cloud of broad sense then can expand to the various services that provide Network Based.Cloud computing is distributed on a large amount of distributed computers through making to calculate, thus the pattern that replacement is calculated through local computer or single remote server, and it means that computing capability also can be used as a kind of resource, circulates through the Internet.
Can relate to multiple industry on the cloud computing serve theory, but present cloud computing technology is mainly used in common industry, and can't obtains practical application in fields such as telecommunications, banks.This is because these fields are higher than common internet, applications far away for the requirement of data reliability; Illustrate through digitlization: the requirement that general internet is used for data reliability is 99.9%; Field such as telecommunications, bank for the requirement of data reliability then more than 99.999%; Existing cloud computing system can't provide such data reliability, causes it to be difficult to carry these have high request to reliability application.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of cloud computing system and cloud computing method for managing resource, and to be implemented in the application that operation has high reliability demand in the cloud computing system, technical scheme is following:
The embodiment of the invention provides a kind of cloud computing system, and this system comprises at least one cloud computing subsystem, and said cloud computing subsystem comprises: physical machine, physical storage device and SRM module;
In the said physical machine, dispose the virtual machine that at least one is used to carry application, each virtual machine uses the virtual memory resource in the said physical storage device;
In the said physical storage device, dispose some virtual memory resources corresponding to virtual machine, logically separate between every part virtual memory resource;
In the said SRM module, comprise the storage resources allocation units, be used for demand, from said physical storage device, distribute corresponding virtual memory resource for virtual machine according to virtual machine.
According to a kind of embodiment of the present invention,
Said SRM module is disposed in the said physical storage device;
Perhaps
Said SRM module, independent with said physical storage device physically.
According to a kind of embodiment of the present invention, under the situation of SRM block configuration in said physical storage device, in the said SRM module, also comprise:
The read-write operation control unit is used for the corresponding relation according to virtual machine and virtual memory resource, and the read-write operation of virtual machine is mapped on the physical address of respective virtual storage resources.
According to a kind of embodiment of the present invention, at SRM module and said physical storage device physically independently under the situation,
Virtual Machine Manager unit in the said physical machine is according to the corresponding relation of virtual machine and virtual memory resource, and the read-write operation of virtual machine is mapped on the physical address of respective virtual storage resources.
According to a kind of embodiment of the present invention, said cloud computing subsystem also comprises:
Fault processing module is used for after monitoring any virtual machine A operation troubles, creating new virtual machine A ', carries out related with A ' the pairing virtual memory resource of A.
According to a kind of embodiment of the present invention, said fault processing module also is used for:
After monitoring virtual machine A fault, virtual machine A stops using.
According to a kind of embodiment of the present invention, said fault processing module specifically is used for:
In the physical machine of local cloud computing subsystem, create new virtual machine A '.
According to a kind of embodiment of the present invention, said fault processing module specifically is used for:
Create new virtual machine A ' in the physical machine of other cloud computing subsystems in system.
According to a kind of embodiment of the present invention, said fault processing module also is used for:
In said other cloud computing subsystems, for new virtual machine A ' distributes the virtual memory resource;
Content migration in the local subsystem virtual memory resource of the current correspondence of A ' is arrived newly assigned virtual memory resource;
Carry out related with A ' newly assigned virtual memory resource.
According to a kind of embodiment of the present invention, said fault processing module also is used for:
Newly assigned virtual memory resource and A ' are carried out related after, discharge related virtual memory resource in local cloud computing subsystem with A '.
The embodiment of the invention also provides a kind of cloud computing method for managing resource, and this method comprises:
The storage resources request for allocation that sink virtual machine sends according to this request, is distributed corresponding virtual memory resource for said virtual machine from physical storage device;
According to the corresponding relation of virtual machine and virtual memory resource, the read-write operation of virtual machine is mapped on the physical address of respective virtual storage resources;
Wherein, said virtual machine is disposed in the physical machine, and said physical machine, physical storage device belong to identical cloud computing subsystem.
According to a kind of embodiment of the present invention, said method also comprises:
After monitoring arbitrarily virtual machine A operation troubles, create new virtual machine A ', carry out related with A ' the pairing virtual memory resource of A.
According to a kind of embodiment of the present invention, said method also comprises:
After monitoring virtual machine A fault, virtual machine A stops using.
According to a kind of embodiment of the present invention, saidly build new virtual machine A ', specifically comprise:
In the physical machine of local cloud computing subsystem, create new virtual machine A '.
According to a kind of embodiment of the present invention, saidly build new virtual machine A ', specifically comprise:
In the physical machine of other cloud computing subsystems that are connected with local cloud computing subsystem, create new virtual machine A '.
According to a kind of embodiment of the present invention, said method also comprises:
In said other cloud computing subsystems, for new virtual machine A ' distributes the virtual memory resource;
Content migration in the local subsystem virtual memory resource of the current correspondence of A ' is arrived newly assigned virtual memory resource;
Carry out related with A ' newly assigned virtual memory resource.
According to a kind of embodiment of the present invention, said method also comprises:
Newly assigned virtual memory resource and A ' are carried out related after, discharge related virtual memory resource in local cloud computing subsystem with A '.
The technical scheme that the embodiment of the invention provides on the one hand, utilizes virtual machine technique on a physical machine, to dispose many virtual machines, and every virtual machine is can independent bearing professional and unaffected each other, can efficiently utilize the computational resource in the physical machine again.On the other hand, in same subsystem, many physical machine are shared a cover high-reliability storage equipment; Many virtual machines in many physical machine are unified through this high-reliability storage equipment of SRM module accesses; When guaranteeing data reliability, also can avoid to every physical machine all disposes high-reliability storage equipment, not only reduction system realizes cost; And more help the circulation of resource in system, thereby adapt to the demand of cloud computing system better.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously; The accompanying drawing that describes below only is some embodiment that put down in writing among the present invention, for those of ordinary skills, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of structural representation of embodiment of the invention cloud computing system;
Fig. 2 is first kind of structural representation of embodiment of the invention cloud computing subsystem;
Fig. 3 is a kind of structural representation of embodiment of the invention SRM module;
Fig. 4 is the collaboration process sketch map of embodiment of the invention cloud computing subsystem;
Fig. 5 is second kind of structural representation of embodiment of the invention cloud computing subsystem;
Fig. 6 is the third structural representation of embodiment of the invention cloud computing subsystem;
Fig. 7 is first kind of flow chart of embodiment of the invention cloud computing method for managing resource;
Fig. 8 is second kind of flow chart of embodiment of the invention cloud computing method for managing resource.
Embodiment
In order to make those skilled in the art understand the technical scheme among the present invention better; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtained should belong to the scope that the present invention protects.
Virtual machine (Virtual Machine) be meant through software simulation have the complete hardware system function, operate in a complete computer in the complete isolation environment.Pass through software virtual machine; Can on a physical computer, simulate one or more virtual computer; For physical machine; Can every virtual machine be interpreted as an application program of this machine, still every virtual machine reality can be worked as physical machine again, for example installing operating system and application program, accessing network resources or the like.Virtual machine is the same with physical machine can to break down, but owing to physical resource itself does not have fault, therefore can fast virtual machine be returned to fault state before through recovering or create again the mode of virtual machine.
The inventor finds in the research process to prior art: in the systems such as telecommunication system, bank, the type of service of processing is normally relatively fixing, business such as for example call out control, note, deposit, withdraw the money.These business features are: business processing logic fixes, all identical to each user's processing; Each professional processing logic is fixed, and means that the resource that each business takies can confirm in advance, can be according to the supporting business amount of each equipment; Calculate required computational resource, memory source, storage resources or the like; Therefore, for this type business, it is feasible adopting the mode of distributing virtual machine to come bearer service to use.Can efficiently utilize the computational resource in the physical machine like this, and be convenient to make computational resource in network, to circulate, thereby adapt to the demand of cloud computing system better.
On the other hand, according to existing virtual machine technique, virtual machine all resources that will use; All will divide from the physical machine of carrying this virtual machine, this is used to preserve the storage resources of data comprising needs, and for service application such as telecommunications, bank; Common storage medium is difficult to satisfy the demands, and particularly under the situation of many virtual machines of configuration on same the physical machine, the probability that breaks down is higher; In order to reduce the influence of fault; Need storage medium be replaced by high reliability equipment such as disk array, but in cloud computing system, if the storage medium of every physical machine is all upgraded; Not only cost significantly increases, and also is unfavorable for the integration and cooperation between many physical machine.
For overcoming the above problems, the present invention provides a kind of cloud computing system, and referring to shown in Figure 1, this system is made up of a plurality of subsystems, and wherein, in each system, many physical machine are shared a cover high-reliability storage equipment (for example disk array).
The technical scheme according to the present invention, subsystem can be divided according to the communication performance between the equipment, generally speaking; Between the physical machine within the same subsystem, memory device, have the high-speed communication passage, for example, can adopt similar ATCA (Advanced Telecom Computing Architecture; Senior communication computer framework) mode, physical machine are the service processing board of this framework, generally adopt the blade type framework; Has hot-swap capabilities, just with maintenance.The ATCA backboard has communication capacity very at a high speed, can pass through the backboard high-speed communication between the different blades, obtains high data transfer rates.Disk array passes through optical fiber interface usually; Be connected on the interface board of ATCA, and then be connected on the core bus of ATCA, through this kind connected mode; Can obtain very high data throughout, satisfy the requirement of telecommunications, financial sector high-performance, high reliability data storage.
According to above-mentioned pattern, with the resource in the whole cloud computing system, be divided into some groups, can high-speed communication between physical machine, the disk array within every group.Also can intercom mutually between the subsystem, but communication performance to be lower than the inner communication of subsystem relatively.It is understandable that under extreme case, also to have the cloud computing function of independent completion, will describe the cloud computing subsystem that the embodiment of the invention provided in detail below by a sub-systems of above-mentioned schema component:
Cloud computing subsystem as shown in Figure 2, that the embodiment of the invention provided can be made up of following essential part: physical machine 100, physical storage device 200 and SRM module 300; Below will the function and the cooperation relation of this several sections be elaborated:
Physical machine 100:
In a cloud computing subsystem, can dispose a physical machine, also can dispose many physical machine, every physical machine is through SRM module 300 visit physical storage devices 200.Physical machine itself can carry memory device, still, under the situation of many physical machine of configuration, the high-reliability storage equipment that many physical machine can the shared Sub internal system.
On every physical machine; Utilize virtual machine technique to dispose at least one virtual machine; Can run application, carry applied business on each virtual machine, and, in order to guarantee reliability; For each virtual machine, all be that it distributes a part of virtual memory resource to supply its use in physical storage device 200.
Particularly, in every physical machine, comprise the Virtual Machine Manager unit of realizing with form of software, according to basic function, the Virtual Machine Manager unit can comprise the subelement of following form:
The management subelement is used on physical machine, creating or the deletion virtual machine;
The translation subelement is used to provide virtual machine and the local physical machine interactive interface of other physical equipments in addition;
Monitor subelement, be used to monitor the running status of virtual machine.
In embodiments of the present invention, virtual machine can be supported the operation for the virtual memory resource in several ways, for example:
The EVM(extended virtual machine) instruction set provides special in virtual memory resource operation instruction set, and the translation subelement is to the virtual memory resource operation with these command mappings.
The virtual memory resource is mapped as the special devices descriptor, perhaps special ports number; The translation subelement is the operation to the virtual memory resource with the operation map of these device descriptors or port.
Certainly, according to the thought of the embodiment of the invention, those skilled in the art can also utilize other modes to realize the visit of virtual machine to its corresponding stored resource, and above-mentioned dual mode also should not be construed as the qualification to the present invention program.
Physical storage device 200:
According to the demand of applied business to the data reliability, physical storage device 200 can use the memory device of high reliability to realize, for example disk array.Certainly the present invention need not limit the concrete way of realization (storage medium, high reliability technology etc.) of the memory device of high reliability.
In subsystem provided by the present invention,, all be that it distributes a part of virtual memory resource to supply its use in physical storage device corresponding to each virtual machine.Utilize virtual machine technique and high-reliability storage device management techniques, can guarantee between every part virtual memory resource logically separately, be independent of each other.
SRM module 300:
Main effect provides the distribution function of virtual memory resource; Particularly, in SRM module 300, comprise storage resources allocation units at least; Be used for demand, from physical storage device 200, distribute corresponding virtual memory resource for virtual machine according to virtual machine; Wherein, Every part virtual memory resource; All corresponding to an amount of physical memory in physical storage device 300; The storage resources allocation units are responsible for virtual machine and from physical storage device 300, divide corresponding amount of physical memory, write down the physical address section in this space, as the virtual memory resource of this virtual machine.Through being the different different physical address sections of virtual memory resource division, make between the different virtual storage resources logically separately, and then guarantee that the read-write operation between the different virtual machine can not influence each other, and improves safety of data.
According to the present invention program; Because physical machine and memory device have the relation of grouping (subsystem), therefore, in the process of distributing the virtual memory resource; Can make full use of this specific character, the virtual memory resource allocation that virtual machine and virtual machine are applied for is in same subsystem.Virtual Machine Manager unit and storage resources allocation units utilize uniform rules to generate identification information; In the identification information; Can adopt the part flag to represent that this resource is virtual machine or virtual memory resource, so that, navigate to virtual machine or virtual memory resource through identification information.
For example: the addressing mode that can adopt similar file system:
" Cloud2 ", VM wherein representes virtual machine;
" Cloud2 ", wherein VRDS indicates the virtual memory resource.
Also can adopt Digital ID, for example " 9980117281 ", " 9980117282 ", last is the expression virtual machine of odd number; Even then numerical table shows the virtual memory resource.
Certainly, above-mentioned two kinds of identification means only are used for schematic illustration, and should not be construed as the restriction to the present invention program.
After virtual machine and virtual memory resource difference allocation identification; The storage resources allocation units are associated in the sign of virtual machine with the corresponding virtual storage resources, and are responsible for the virtual machine of whole subsystem and the corresponding relation of virtual memory resource are safeguarded.
For example: on physical machine, create virtual machine; The Virtual Machine Manager unit is numbered 9980117281 for this virtual machine distributes, and according to the real needs of bearer service, this virtual machine needs the memory space of 1G; Then this virtual machine numbering of Virtual Machine Manager unit by using and memory space requirements make up the storage resources request for allocation; Be sent to storage resources allocation units 310, the storage resources allocation units from physical storage device 200 mark off can provide the virtual memory of 1G memory space resource (according to the operation principle of high-reliability storage, maybe actual more than 1G that takes up room; For example; In the redundant array of inexpensive disk mode of operation, actual the taking up room of possibility is 2G or more), and be this part virtual memory resource allocation numbering " 9980117282 "; To number the corresponding relation of " 9980117281 " and " 9980117282 " and store, realize the associated in correspondence of virtual machine and virtual memory resource.Then this numbering is back to corresponding Virtual Machine Manager unit.
In a kind of embodiment of the present invention, the storage resources allocation units can also further increase authorization identifying mechanism, and to guarantee the unique corresponding relation of virtual machine and virtual memory resource, concrete grammar is following:
Storage resources allocation units 310 according to divided request virtual memory resource after; Except being virtual memory resource allocation numbering; Also be this part resource allocation authentication information (for example password or authenticate key); Then authorization identifying information is back to corresponding Virtual Machine Manager unit, the Virtual Machine Manager unit can be kept at this locality with the unification of authorization identifying information, also can further be back to corresponding virtual machine.Follow-up virtual machine need to storage resources allocation units 310 provide oneself authentication information, or authentication information is provided by resource allocation unit 310, could further obtain access rights to the respective virtual storage resources.
In addition, those skilled in the art expect easily, in order to improve fail safe, in system's running, also can upgrade authentication information with certain strategy, are not described in detail here.
Behind the corresponding relation of setting up virtual machine and virtual memory resource; SRM module 300 sends to corresponding relation the read-write operation control unit that is arranged in physical machine 100 or physical storage device 200; By the read-write operation control unit; According to the corresponding relation of virtual machine and virtual memory resource, the read-write operation of virtual machine is mapped on the physical address of respective virtual storage resources.
Particularly; After virtual machine sends a data read-write requests; At first this request is sent to the Virtual Machine Manager unit; Translation subelement in the Virtual Machine Manager unit is sent to read-write operation control unit (if the read-write operation control unit is arranged in physical machine, this read-write operation control unit possibly be integrated with the translation subelement so) 320 with this request on function, read-write operation control unit 320 according to the corresponding relation of virtual machine and virtual memory resource (if any demand; Can carry out the authentication information verification), read-write requests is mapped on the physical address of corresponding virtual memory resource.After the virtual memory resource was made response to request, response message was according to the reverse corresponding virtual machine that is back to of original route.
Can find out through Fig. 2; The SRM module 300 of the embodiment of the invention; Logically between physical machine 100 and physical storage device 200, in actual implementation process, this module can be disposed in the physical storage device 200; Also can be independent physically with physical storage device 200, for example be disposed in the management subsystem server of a platform independent.
If SRM module 300 is arranged in physical storage device 200, in SRM module 300, can comprise virtual memory resource allocation unit 310 and read-write operation control unit 320 so, as shown in Figure 3.
If SRM module 300 is independent physically with physical storage device 200, the function of read-write operation control unit can be integrated in the translation subelement in the Virtual Machine Manager unit in the physical machine 300 so.That is to say; Set up the corresponding relation of virtual machine and virtual memory resource at the storage resources allocation units after, this corresponding relation is sent to the Virtual Machine Manager unit in the physical machine 300, follow-up by the Virtual Machine Manager unit directly according to this corresponding relation; Provide virtual machine with to the read-write operation interface of virtual memory resource; That is to say that the read-write operation instruction and data can directly transmit between physical machine 100 and physical storage device 200, need be through SRM module 300 independently physically; Thereby the shortening transmission path improves efficiency of transmission.
A kind of schematic flow sheet that Fig. 4 shows virtual machine request virtual memory resource and the virtual memory resource carried out read-write operation.Wherein virtual memory resource allocation unit SRM module section both can be arranged in and be disposed at physical storage device 200, also can be arranged in the management subsystem server that is disposed at a platform independent.Physically independently under the situation, the read-write operation control unit among Fig. 4 can be incorporated in the Virtual Machine Manager unit at virtual memory resource allocation unit and physical storage device.
It is understandable that technical scheme basic sides according to the present invention, virtual machine in the physical machine use outside physical storage device 200 as storage resources, but this and do not mean that virtual machine cannot use the storage resources in the local physical machine simultaneously.In one embodiment of the invention; Can the significant data relevant with business be kept in the physical storage device 200; Thereby guarantee safety of data to greatest extent; And for the operating system in the virtual machine, the contents such as status data of application program and virtual machine still can be used the storage resources in the local physical machine.
In order to tackle the situation that virtual machine breaks down, in another embodiment of the present invention, corresponding failure handling mechanisms is provided also.Referring to shown in Figure 5; Can also comprise fault processing module 400 in the cloud computing subsystem; Fault processing module 400 is connected with physical storage device 200 with physical machine 100 respectively; After the virtual machine in the physical machine broke down, fault processing module was responsible for creating new virtual machine, then the pairing virtual resource of former virtual machine was associated with on the virtual machine of new establishment.Need to prove: because this enforcements emphasis is used to explain troubleshooting, so in Fig. 5 not shown SRM module 300.
Virtual-machine fail possibly be that many-sided reasons such as VME operating system fault, application failure cause.According to the characteristic of virtual machine, can the unfaulty conditions (state) of operating system and application program be backed up, also be usually said " totally " state.As long as, just can create a new virtual machine rapidly with " totally " state for this backup distributes corresponding virtual resource.
According to the embodiment of the present invention; Virtual resource such as CPU, internal memory is still divided from physical machine; Storage resources then continues to continue to use the used storage resources of former virtual machine, because important business datum, for example call state data, stateful transaction data or the like; All be kept in the physical storage device 200; Therefore after setting up new virtual machine and the pairing virtual resource of former virtual machine being associated with on the virtual machine of new establishment, the new virtual machine of creating just can be proceeded Business Processing on the basis of the business datum of being preserved before.
The embodiment of the invention provides two kinds of modes of creating new virtual machine: establishment and subsystem are created outward in the subsystem.In order to guarantee the communication performance of equipment room, can be preferentially in the subsystem of this locality divide resource create new virtual machine; If do not have idling-resource in the local subsystem,, also can in other subsystems of whole cloud computing system, seek idling-resource and create new virtual machine perhaps from specific purposes such as business migrations.Respectively above-mentioned dual mode is illustrated below:
1) create in the subsystem:
Suppose in original system; Virtual machine A uses the virtual resource a in the physical storage device 200; Virtual Machine Manager unit in the physical machine reports to fault processing module 400 with unusual condition after monitoring virtual machine A appearance unusually, and fault processing module 400 can directly trigger the flow process of creating virtual machine; Also can judge whether to trigger the flow process of creating virtual machine according to troubleshooting strategy that presets and actual abnormal conditions.
If in local subsystem, can find the idling-resource that is used to create virtual machine; Then fault processing module 400 will be created the Virtual Machine Manager unit that request is sent to the respective physical machine; After the virtual machine A ' consistent with the A function created in the Virtual Machine Manager unit; The sign of virtual machine A ' is reported fault processing module 400, and fault processing module 400 carries out virtual machine A ' and virtual memory resource a related, cancels related between former virtual machine A and the virtual memory resource a simultaneously.
It is understandable that if virtual resource has used authorization identifying mechanism, then in related again process, fault processing module 400 also need be sent to corresponding Virtual Machine Manager unit with authorization identifying information, further is sent to virtual machine A ' then.
Alternatively; Fault processing module 400 can also be used for the processing of stopping using to the virtual machine A that breaks down; Said inactive processing; Except comprising the out-of-context between former virtual machine A of cancellation and the virtual memory resource a, can also comprise the corresponding Virtual Machine Manager element deletion virtual machine A of indication, with release physical machine resource.Inactive processing need be carried out after monitoring virtual-machine fail, and concrete opportunity can be before creating new virtual machine, also can be after creating new virtual machine, even carry out simultaneously with creating new virtual machine, the present invention need specifically not limit this.
2) subsystem is created outward:
Suppose in original system; Virtual machine A uses the virtual resource a in the physical storage device 200; Virtual machine Virtual Machine Manager unit in the physical machine reports to fault processing module 400 with unusual condition after monitoring virtual machine A appearance unusually, and fault processing module 400 can directly trigger the flow process of creating virtual machine; Also can judge whether to trigger the flow process of creating virtual machine according to troubleshooting strategy that presets and actual abnormal conditions.
If in local subsystem, can't find the idling-resource that is used to create virtual machine, perhaps from purposes such as business migrations, then fault processing module 400 is sought corresponding idling-resource to create new virtual machine in other subsystems of whole system.
Suppose that subsystem 1 is local subsystem; Subsystem 2 is a target sub system; The fault processing module 400 of local subsystem 1 is communicated by letter with the Virtual Machine Manager unit foundation of corresponding physical machine in the target sub system 2; The request will created then is sent to the Virtual Machine Manager unit of respective physical machine in the target sub system 2, after the virtual machine A ' consistent with the A function created in the Virtual Machine Manager unit in the target sub system 2, the sign of virtual machine A ' is reported the fault processing module 400 of local subsystem 1; Fault processing module 400 carries out virtual machine A ' and virtual memory resource a related, cancels related between former virtual machine A and the virtual memory resource a simultaneously.Wherein, above-mentioned communication process can be realized through the SRM module relaying in the target sub system 2, also can realize through independent communication module, and the embodiment of the invention does not need this to limit.
Similar with the execution mode of creating new virtual machine in the subsystem, subsystem outside in the process of the new virtual machine of establishment, also can the use authority authentication mechanism, and to the virtual machine A that the breaks down processing of stopping using, no longer be repeated in this description here.
And with subsystem in create the execution mode of new virtual machine different be: subsystem is created outward after the new virtual machine; New virtual machine A ' is in different subsystems with virtual memory resource a; According to the division principle of the embodiment of the invention to subsystem; Equipment is in the communication performance that different subsystems can have influence on virtual machine A ' and virtual memory resource a, for addressing this problem, in a kind of preferred implementation of the present invention; Can also be in the subsystem 2 of virtual machine A ' place, for new virtual machine A ' distributes new virtual memory resource; Then the content migration in the local subsystem virtual memory resource of the current correspondence of A ' is arrived newly assigned virtual memory resource.
Particularly, the fault processing module 400 of local subsystem 1 communicates through the fault processing module with target sub system 2; Request distributes new virtual memory resource a ' in the physical storage device of target sub system 2, be in due course then; Content synchronization among a is migrated to a ', and a ' and A ' are carried out related, final result be; Applied business with initial carrier system 1 migrates to subsystem 2 fully, and a ' after the migration and A ' still can keep the high-speed communication performance.Wherein, above-mentioned " suitable opportunity " can be according to the actual conditions setting, for example starting A ' before first, and perhaps when system business suspended, the present invention need not limit this.
Alternatively, newly assigned virtual memory resource a ' and A ' are carried out related after, the fault processing module 400 of local subsystem 1 can discharge A ' related virtual memory resource a in local cloud computing subsystem.The SRM module 300 of local subsystem 1 also can be deleted the information relevant with a.
Can find out that through Fig. 5 the fault processing module 400 of the embodiment of the invention logically between physical machine 100 and physical storage device 200, belongs to relation arranged side by side with SRM module 300.In one embodiment of the invention, can SRM module 300 and fault processing module 400 be disposed in same the physical equipment, for example be disposed in the management subsystem server of a platform independent, as shown in Figure 6.
For the convenience of describing, be divided into various unit with function when describing above the device and describe respectively.Certainly, when embodiment of the present invention, can in same or a plurality of softwares and/or hardware, realize the function of each unit.Apparatus and system embodiment described above only is schematic; Wherein said unit as the separating component explanation can or can not be physically to separate also; The parts that show as the unit can be or can not be physical locations also; Promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of present embodiment scheme according to the needs selection some or all of module wherein of reality.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
Based on the above-mentioned system that provides, the embodiment of the invention also provides a kind of cloud computing method for managing resource, and referring to shown in Figure 7, this method comprises:
S101, the storage resources request for allocation that SRM module sink virtual machine sends according to this request, is distributed corresponding virtual memory resource for said virtual machine from physical storage device;
S102 according to the corresponding relation of virtual machine and virtual memory resource, is mapped to the read-write operation of virtual machine on the physical address of respective virtual storage resources;
Wherein, said virtual machine is disposed in the physical machine, and said physical machine, physical storage device belong to identical cloud computing subsystem.
The logic executive agent of S101 is the storage resources allocation units in the SRM module; The SRM module is logically between physical machine and physical storage device and belong to identical cloud computing subsystem; In actual implementation process; This module can be disposed in the physical storage device 200, also can be independent physically with physical storage device 200, for example be disposed in the management subsystem server of a platform independent.
The logic executive agent of S102 is the read-write operation control unit, and in actual implementation process, this read-write operation control unit can be disposed in the physical machine, also can be disposed in the physical storage device.
Referring to shown in Figure 8, the cloud computing method for managing resource that the embodiment of the invention provided can also comprise:
S103 after monitoring arbitrarily virtual machine A operation troubles, creates new virtual machine A ', carries out related with A ' the pairing virtual memory resource of A.The executive agent of this step is a fault processing module, and this fault processing module belongs to identical cloud computing subsystem with aforesaid physical machine, physical storage device and SRM module.
Alternatively, after monitoring virtual machine A fault, can also be to the virtual machine A processing of stopping using.
Wherein, in S103, new virtual machine A ' can be in the physical machine of local cloud computing subsystem, created, also new virtual machine A ' can be in the physical machine of other cloud computing subsystems that are connected with local cloud computing subsystem, created.
If in the physical machine of other cloud computing subsystems, create new virtual machine A ', can also be further in said other cloud computing subsystems, for new virtual machine A ' distributes the virtual memory resource; And with the content migration in the local subsystem virtual memory resource of the current correspondence of A ' to newly assigned virtual memory resource, carry out related with A ' newly assigned virtual memory resource.Alternatively, newly assigned virtual memory resource and A ' are carried out related after, discharge related virtual memory resource in local cloud computing subsystem with A '.
Description through above execution mode can know, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses all is the difference with other embodiment.Especially, for method embodiment, because it is basically similar in appearance to system embodiment, so describe fairly simplely, relevant part gets final product referring to the part explanation of system embodiment.
The present invention can be used in numerous general or special purpose computingasystem environment or the configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise DCE of above any system or equipment or the like.
The above only is an embodiment of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (17)
1. a cloud computing system is characterized in that, this system comprises at least one cloud computing subsystem, and said cloud computing subsystem comprises: physical machine, physical storage device and SRM module;
In the said physical machine, dispose the virtual machine that at least one is used to carry application, each virtual machine uses the virtual memory resource in the said physical storage device;
In the said physical storage device, dispose some virtual memory resources corresponding to virtual machine, logically separate between every part virtual memory resource;
In the said SRM module, comprise the storage resources allocation units, be used for demand, from said physical storage device, distribute corresponding virtual memory resource for virtual machine according to virtual machine.
2. system according to claim 1 is characterized in that,
Said SRM module is disposed in the said physical storage device;
Perhaps
Said SRM module, independent with said physical storage device physically.
3. system according to claim 2 is characterized in that, under the situation of SRM block configuration in said physical storage device, in the said SRM module, also comprises:
The read-write operation control unit is used for the corresponding relation according to virtual machine and virtual memory resource, and the read-write operation of virtual machine is mapped on the physical address of respective virtual storage resources.
4. system according to claim 2 is characterized in that, at SRM module and said physical storage device physically independently under the situation,
Virtual Machine Manager unit in the said physical machine is according to the corresponding relation of virtual machine and virtual memory resource, and the read-write operation of virtual machine is mapped on the physical address of respective virtual storage resources.
5. system according to claim 1 is characterized in that, said cloud computing subsystem also comprises:
Fault processing module is used for after monitoring any virtual machine A operation troubles, creating new virtual machine A ', carries out related with A ' the pairing virtual memory resource of A.
6. system according to claim 5 is characterized in that, said fault processing module also is used for:
After monitoring virtual machine A fault, virtual machine A stops using.
7. system according to claim 5 is characterized in that, said fault processing module specifically is used for:
In the physical machine of local cloud computing subsystem, create new virtual machine A '.
8. system according to claim 5 is characterized in that, said fault processing module specifically is used for:
Create new virtual machine A ' in the physical machine of other cloud computing subsystems in system.
9. system according to claim 5 is characterized in that, said fault processing module also is used for:
In said other cloud computing subsystems, for new virtual machine A ' distributes the virtual memory resource;
Content migration in the local subsystem virtual memory resource of the current correspondence of A ' is arrived newly assigned virtual memory resource;
Carry out related with A ' newly assigned virtual memory resource.
10. system according to claim 9 is characterized in that, said fault processing module also is used for:
Newly assigned virtual memory resource and A ' are carried out related after, discharge related virtual memory resource in local cloud computing subsystem with A '.
11. a cloud computing method for managing resource is characterized in that, this method comprises:
The storage resources request for allocation that sink virtual machine sends according to this request, is distributed corresponding virtual memory resource for said virtual machine from physical storage device;
According to the corresponding relation of virtual machine and virtual memory resource, the read-write operation of virtual machine is mapped on the physical address of respective virtual storage resources;
Wherein, said virtual machine is disposed in the physical machine, and said physical machine, physical storage device belong to identical cloud computing subsystem.
12. method according to claim 11 is characterized in that, said method also comprises:
After monitoring arbitrarily virtual machine A operation troubles, create new virtual machine A ', carry out related with A ' the pairing virtual memory resource of A.
13. method according to claim 12 is characterized in that, said method also comprises:
After monitoring virtual machine A fault, virtual machine A stops using.
14. method according to claim 12 is characterized in that, saidly builds new virtual machine A ', specifically comprises:
In the physical machine of local cloud computing subsystem, create new virtual machine A '.
15. method according to claim 12 is characterized in that, saidly builds new virtual machine A ', specifically comprises:
In the physical machine of other cloud computing subsystems that are connected with local cloud computing subsystem, create new virtual machine A '.
16. method according to claim 15 is characterized in that, said method also comprises:
In said other cloud computing subsystems, for new virtual machine A ' distributes the virtual memory resource;
Content migration in the local subsystem virtual memory resource of the current correspondence of A ' is arrived newly assigned virtual memory resource;
Carry out related with A ' newly assigned virtual memory resource.
17. method according to claim 16 is characterized in that, said method also comprises:
Newly assigned virtual memory resource and A ' are carried out related after, discharge related virtual memory resource in local cloud computing subsystem with A '.
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