CN103399781B - Cloud Server and virtual machine management method thereof - Google Patents

Cloud Server and virtual machine management method thereof Download PDF

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Publication number
CN103399781B
CN103399781B CN201310335456.9A CN201310335456A CN103399781B CN 103399781 B CN103399781 B CN 103399781B CN 201310335456 A CN201310335456 A CN 201310335456A CN 103399781 B CN103399781 B CN 103399781B
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virtual machine
magnetic disk
threshold value
data storage
module
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CN103399781A (en
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李新笼
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to PCT/CN2014/072058 priority patent/WO2015014117A1/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45562—Creating, deleting, cloning virtual machine instances
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/4557—Distribution of virtual machine instances; Migration and load balancing

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The embodiment of the invention discloses a kind of Cloud Server and virtual machine management method thereof, this virtual machine management method includes: pre-sets magnetic disk of virtual machine according to virtual machine template, and stores on predetermined data storage carrier；When virtual machine provided by needs, described magnetic disk of virtual machine is mounted on the virtual machine that immediately creates.Present invention efficiently solves in prior art and just start setting up magnetic disk of virtual machine when virtual machine provided by needs, and the processes such as magnetic disk of virtual machine are set and need the substantial amounts of time, and then cause the technical problem that can not provide virtual machine in time, the present invention is effectively improved the speed providing virtual machine, ensure that work efficiency and service behaviour, improve the experience of user.

Description

Cloud Server and virtual machine management method thereof
Technical field
The present invention relates to virtual machine technique field, be specifically related to a kind of virtual machine management method, also Relate to a kind of Cloud Server using this virtual machine management method.
Background technology
Informationalized development makes to be that geometrical curve increases to the demand calculating resource, and this is not Mean only that and need to put into more hardware device, also mean that more PC Rooms Environmental Facilities and throw Entering, operation expense and human cost increase the most accordingly simultaneously, therefore, in order to cost-effective, Intel Virtualization Technology is applied in computer realm more and more.
Intel Virtualization Technology at Cloud Server (or claiming cloud computing etc.) is usually according to virtual machine template Arranging virtual machine to service, its process includes designated virtual machine disk (VMDK, virtual Machine disk) storage position, arrange and obtain specifications parameter with virtual machine template, operation system The consistent virtual machines such as system, application program, are then issued to cluster or server service.
Specifically, prior art creates a virtual machine, installs operating system on a virtual machine With after application software as the virtual machine template that pre-sets.When virtual machine provided by needs, User selects a virtual machine template, it is intended that virtual machine operates in which server or cluster, empty Which data storage plan machine specification information, magnetic disk of virtual machine are saved in；In setting up procedure, virtual machine needs The installation operating system identical with virtual machine template and identical application program are set.
Wherein, when the process such as the operating system of virtual machine, application program that arranges needs to consume longer Between, such as provide the virtual machine of a WIN7 operating system from starting setting up to the whole mistake provided Journey is time-consuming it is generally required to more than a few minutes to ten a few minutes.And the granting speed of virtual machine is cloud service One of important performance indexes of device, provides speed and directly affects user's use body to Cloud Server Testing, therefore, the mode providing virtual machine at present is far not by far up to the mark, and affects Cloud Server Work efficiency and performance.
Summary of the invention
In view of this, a kind of Cloud Server and Virtual Machine Manager side thereof are embodiments provided Method, to solve to affect in the way of prior art provides virtual machine work efficiency and the performance of Cloud Server Technical problem.
For solving the problems referred to above, embodiment of the present invention first aspect provides a kind of Virtual Machine Manager side Method, including: the instant number of the magnetic disk of virtual machine in detection data storage carrier；Judge described reality Time quantity whether less than predetermined threshold value；Determining described instant number less than described predetermined threshold value Time, pre-set magnetic disk of virtual machine according to virtual machine template, and store predetermined data storage load On body；When virtual machine provided by needs, be mounted to described magnetic disk of virtual machine immediately to create is virtual On machine.
In conjunction with first aspect, in the implementation that the first is possible, described according to virtual machine template Pre-set magnetic disk of virtual machine, including: shared by the virtual machine specified in virtual machine template The attribute information of storage resource, creates described virtual machine magnetic in advance in the storage device of Cloud Server Dish.
In conjunction with the first possible implementation of first aspect, in the implementation that the second is possible In, the attribute information of the storage resource shared by the virtual machine specified in described virtual machine template includes Any one or a combination thereof below: virtual machine storage capacity information, virtual machine operating system shared by Storage capacity information, or virtual machine load the memory capacity shared by application program letter Breath.
In conjunction with first aspect, in the implementation that the third is possible, the described data of described detection are deposited Also include before the step of the instant number of the described magnetic disk of virtual machine in storage carrier: obtain described number Sending out of the virtual machine corresponding with described virtual machine template provided in Preset Time according to memory carrier Put quantity；According to described discharging quantity, described predetermined threshold value is set.
In conjunction with the third possible implementation of first aspect, the 4th kind of possible implementation In, described pre-set magnetic disk of virtual machine according to virtual machine template before, also include: judge described Whether the Spatial Residual value of the residual memory space of data storage carrier is less than the first residue preset Threshold value；When determining described Spatial Residual value not less than described first residue threshold value, perform described The step of magnetic disk of virtual machine is pre-set according to virtual machine template.
In conjunction with the 4th kind of possible implementation of first aspect, the 5th kind of possible implementation In, also include after determining described Spatial Residual value and remaining threshold value less than described first: judge Whether described Spatial Residual value is less than the second residue threshold value preset, wherein, and described first residue threshold Value is more than described second residue threshold value；If judging, described Spatial Residual value is less than described second residue threshold During value, delete the magnetic disk of virtual machine pre-set described at least one.
In conjunction with the implementation that the first or the second of first aspect, first aspect are possible, In six kinds of possible implementations, described when virtual machine provided by needs, by described magnetic disk of virtual machine The step being mounted on the virtual machine that immediately creates specifically includes: when virtual machine provided by needs, obtain Take the appointment data storage carrier of input and specify specifications parameter；Carry according to the storage of described appointment data Body searches corresponding data storage carrier, and according to described appointment specifications parameter at the number of described correspondence According to the magnetic disk of virtual machine searching correspondence in memory carrier；Obtain the instant virtual machine created, and by institute The magnetic disk of virtual machine stating correspondence is mounted on described virtual machine.
For solving the problems referred to above, embodiment of the present invention second aspect provides a kind of Cloud Server, described Cloud Server includes detection module, the first judge module, performs module, pre-sets module and granting Module.Described detection module is for detecting the real-time number of the magnetic disk of virtual machine in data storage carrier Amount；Described first judge module is for judging that the described instant number that described detection module detects is No less than predetermined threshold value；Described execution module is for determining described reality at described first judge module Time quantity less than described predetermined threshold value time, pre-set module according to virtual machine template in advance described in notice Magnetic disk of virtual machine is set；The described module that pre-sets is for pre-setting virtual machine according to virtual machine template Disk, and store on predetermined data storage carrier；Described granting module is for providing at needs During virtual machine, described magnetic disk of virtual machine is mounted on the virtual machine that immediately creates.
In conjunction with second aspect, in the implementation that the first is possible, described in pre-set module concrete For the attribute information according to the storage resource shared by the virtual machine specified in virtual machine template, in advance First in the storage device of Cloud Server, create described magnetic disk of virtual machine.
In conjunction with the first possible implementation of second aspect, in the implementation that the second is possible In, the attribute information of the storage resource shared by the virtual machine specified in described virtual machine template includes Any one or a combination thereof below: virtual machine storage capacity information, virtual machine operating system shared by Storage capacity information, or virtual machine load the memory capacity shared by application program letter Breath.
In conjunction with second aspect, in the implementation that the third is possible, described Cloud Server also includes Acquisition module and module is set.Described acquisition module is used for obtaining described data storage carrier to be preset The discharging quantity of the virtual machine corresponding with described virtual machine template provided in the time；Described mould is set Block arranges described predetermined threshold value for the described discharging quantity got according to described acquisition module.
In conjunction with the third possible implementation of second aspect, the 4th kind of possible implementation In, described first judge module is additionally operable to judge the residual memory space of described data storage carrier Whether Spatial Residual value is less than the first residue threshold value preset.Described execution module specifically for: When described first judge module determines described Spatial Residual value not less than described first residue threshold value, Pre-set module described in notice and pre-set magnetic disk of virtual machine according to virtual machine template.
In conjunction with the 4th kind of possible implementation of second aspect, the 5th kind of possible implementation In, described Cloud Server also includes the second judge module and processing module.Described second judge module, For determining described Spatial Residual value less than described first residue threshold at described first judge module After value, it is judged that whether described Spatial Residual value is less than the second residue threshold value preset, wherein, institute State the first residue threshold value more than described second residue threshold value.Described processing module, for described the When two judge modules judge described Spatial Residual value less than described second residue threshold value, delete at least one The magnetic disk of virtual machine pre-set described in individual.
In conjunction with the implementation that the first or the second of second aspect, second aspect are possible, In six kinds of possible implementations, described granting module specifically include acquiring unit, search unit and Carry unit.Described acquiring unit, for when virtual machine provided by needs, obtaining the appointment of input Data storage carrier and appointment specifications parameter；Described lookup unit, for according to described acquiring unit The described appointment data storage carrier obtained searches corresponding data storage carrier, and obtains according to described Take unit obtain described appointment specifications parameter search in the data storage carrier of described correspondence right The magnetic disk of virtual machine answered；Described carry unit, for obtaining the virtual machine of instant establishment, and by institute The magnetic disk of virtual machine stating the described correspondence that lookup unit finds is mounted on described virtual machine.
The embodiment of the present invention carries out pre-setting obtaining magnetic disk of virtual machine before virtual machine provided by needs, Then immediately create virtual machine when needing and providing virtual machine and be mounted to pre-set the void obtained On plan machine disk and immediately provide virtual machine, the present invention improves granting by the way of pre-setting The speed of virtual machine.Specifically, needing during the embodiment of the present invention efficiently solves prior art Just start setting up magnetic disk of virtual machine during virtual machine to be provided, and the process needs such as magnetic disk of virtual machine are set The substantial amounts of time, and then cause the technical problem that can not provide virtual machine in time, the embodiment of the present invention Pre-set the magnetic disk of virtual machine identical with virtual machine template, it is to avoid just start when providing virtual machine Arrange, be therefore effectively improved the speed providing virtual machine, it is ensured that the work effect of Cloud Server Rate and service behaviour, improve the experience of user.
Accompanying drawing explanation
Figure 1A is the schematic flow sheet of virtual machine management method the first embodiment of the present invention；
Figure 1B be the virtual machine management method shown in Figure 1A realize process schematic；
Fig. 2 is the schematic flow sheet of virtual machine management method the second embodiment of the present invention；
Fig. 3 is the schematic flow sheet of virtual machine management method the 3rd embodiment of the present invention；
Fig. 4 is the module diagram of Cloud Server the first embodiment of the present invention；
Fig. 5 is the module diagram of Cloud Server the second embodiment of the present invention；
Fig. 6 is the part of module schematic diagram of the Cloud Server shown in Fig. 5；
Fig. 7 is the specific implementation schematic diagram of the granting module of the Cloud Server shown in Fig. 5；With And
Fig. 8 is the module diagram of Cloud Server the 3rd embodiment of the present invention.
Detailed description of the invention
In below describing, in order to illustrate rather than in order to limit, it is proposed that such as particular system structure, The detail of interface, technology etc, in order to thoroughly cut and understand the present invention.But, the skill of this area Art personnel are it should be clear that can also realize this in other embodiment do not have these details Invention.In other situation, omit to well-known device, circuit and method specifically It is bright, in order to avoid unnecessary details hinders description of the invention.
Illustrate with specific embodiment below in conjunction with the accompanying drawings.
Refer to Figure 1A and Figure 1B, present embodiment virtual machine management method include but not limited to Lower step.
Step S100, pre-sets magnetic disk of virtual machine according to virtual machine template, and stores predetermined On data storage carrier.
In the step s 100, present embodiment specifically can be virtual according to specifying in virtual machine template The attribute information of the storage resource shared by machine such as virtual machine memory capacity specification etc. pre-sets void Plan machine disk.The virtual machine memory capacity in described virtual machine template is taken the most in advance in resource pool The disk that specification is identical.Preferably, the magnetic disk of virtual machine pre-set can be with virtual machine masterplate Memory capacity specification consistent, it is also possible to consider further virtual machine template specifies (or loading) Operating system and/or application program shared by storage capacity information.In other embodiments, Can also set according to practical situation random or change storage capacity information, example regularly by predetermined Virtual machine is adjusted intelligently such as the size of the real surplus memory space according to data storage carrier The storage capacity information etc. of disk, in this no limit.
It should be noted that the data storage carrier of present embodiment is to deposit depositing of magnetic disk of virtual machine Storage space, it can be one or more, furthermore, between different data storage carriers Different virtual machine template can be deposited respectively and pre-set the magnetic disk of virtual machine obtained, it is also possible to Same data storage carrier is only deposited a type of virtual machine template and is pre-set and obtain Magnetic disk of virtual machine, its specifically can according to service scenario, work efficiency etc. carry out difference arrange, This is not construed as limiting.The magnetic disk of virtual machine that present embodiment pre-sets can store with virtual machine template In same data storage carrier (efficiency of the process of pre-setting can be improved), it is also possible to storage On the data storage carriers such as the local memory device in Cloud Server (as shown in Figure 1B)；Certainly, Data storage carrier can also be external storage device in other embodiments, such as can be IP SAN (IP-Storage Area Network, the storage area network with IP network as transmission medium), FC SAN (Fibre Channel-Storage Area Network, the storage area network of optical-fibre channel Network), NAS (Network Attached Storage, network attached storage) etc., do not limit at this Fixed.
Wherein, virtual machine template can use other virtual machines having been used for using or service as mould Plate, it is also possible to obtain beforehand through manually installed.Present embodiment is retouched as a example by manual installation State: create virtual machine, it is intended that the CPU core number of virtual machine, memory size, memory capacity etc., wound In data storage carrier, above-mentioned information and the magnetic disk of virtual machine of virtual machine is preserved after building；For create Virtual machine is installed operating system and application software and stores in this magnetic disk of virtual machine, as WEB takes Business and database；After completing above-mentioned establishment installation process, can be according to the operation of user or intelligence Can judge and as the follow-up virtual machine template pre-set.
Step S101, when virtual machine provided by needs, is mounted to magnetic disk of virtual machine immediately to create On virtual machine.
In step S101, present embodiment can pass through interrupt requests, or according to cluster, The service load situation of server and judge whether " needing to provide virtual machine ", and receiving interruption Request or determine need provide virtual machine time, the most first create virtual machine (without according to virtual machine The attribute information of the storage resource shared by the virtual machine specified in template is in the storage of Cloud Server Create magnetic disk of virtual machine on equipment, then directly step S100 is arranged the magnetic disk of virtual machine obtained It is mounted on the virtual machine that immediately creates.
It should be noted that in prior art when virtual machine provided by needs, needed for virtual machine is set The time wanted is also the most relevant to the memory capacity of magnetic disk of virtual machine: the memory capacity of magnetic disk of virtual machine The biggest, its required time is the longest, causes the speed providing virtual machine the slowest.It is not difficult to find out, The process arranging magnetic disk of virtual machine is carried out by present embodiment in advance, and can when needs are provided Shi Fafang.And need to be to be noted that mutually that what present embodiment carried " will arrange magnetic disk of virtual machine Process carry out in advance " can also for receive during magnetic disk of virtual machine is set needs send out Put " interrupt requests " of virtual machine or determine according to cluster, the service load situation of server " needing to provide virtual machine ", now, the magnetic disk of virtual machine arranged is after completing setting up procedure Carry can be carried out and for servicing with the virtual machine created, for prior art, This kind of mode still has the effect accelerating to provide virtual machine.
Wherein, the instant virtual machine provided can be provided according to cluster, the loading condition of server Service in corresponding extra-heavy cluster, server, it is also possible to refer to according to the operation of user Surely it is issued in corresponding cluster, server service, certainly, in concrete work process, Also include the processes such as related network, in the range of those skilled in the art understands, the most carefully state.
If additionally, present embodiment virtual machine management method needs provide virtual machine and one or During the magnetic disk of virtual machine being not previously set in multiple data storage carriers, it is also possible to immediately set Put (online arrange), during to avoid instant available virtual machine, produce unnecessary trouble, And then guarantee to provide for carrying out the virtual machine serviced.
In sum, present invention efficiently solves in prior art when virtual machine provided by needs Start setting up magnetic disk of virtual machine, and the processes such as magnetic disk of virtual machine are set and need the substantial amounts of time, and then Causing the technical problem that can not provide virtual machine in time, the present invention improves the speed providing virtual machine Degree, it is ensured that work efficiency and service behaviour, improves the experience of user.
Refer to Fig. 2, be the schematic flow sheet of virtual machine management method the second embodiment of the present invention, The virtual machine management method of present embodiment includes but not limited to following steps.
Step S200, the instant number of the magnetic disk of virtual machine in detection data storage carrier.
Being with earlier embodiments difference, present embodiment virtual machine management method needs elder generation Perform step S200 to carry out again pre-setting magnetic disk of virtual machine.For example, specify a certain May have existed for certain in data storage carrier or in all available data storage carriers The magnetic disk of virtual machine pre-set of quantity, its quantity may reach and/or exceed certain Scope, or be likely to be due to quantity too much have impact on the virtual machine serviced duty and Service quality, it is also possible to reduce the service behaviour of system owing to unrestrictedly pre-setting, this Outward, pre-set the too much magnetic disk of virtual machine of quantity and also result in the storage of waste data storage carrier Space, therefore, present embodiment detects the storage of one or more data by step S200 and carries The instant number of internal magnetic disk of virtual machine, to control according to instant number, to switch to use intelligence Pre-set pattern.
Step S201, it is judged that whether instant number is less than predetermined threshold value.Little determining instant number When (i.e. "Yes") predetermined threshold value, perform step S202, and the least determining instant number When (i.e. "No") predetermined threshold value, wait pending step S203.
Wherein, predetermined threshold value can be configured before step S200, and detailed process can be wrapped Include: obtain the virtual machine corresponding with virtual machine template that data storage carrier is provided in Preset Time Discharging quantity；According to discharging quantity, predetermined threshold value is set.Being not difficult to find out, present embodiment is passed through Obtain the discharging quantity in Preset Time and the mode of predetermined threshold value is set, it is possible to achieve data store The dynamic equilibrium of the quantity of the magnetic disk of virtual machine in carrier, and then ensure to protect all the time in Preset Time Hold pending carry, the processes of granting such as the individual magnetic disk of virtual machine of predetermined threshold value.Additionally, preset Threshold value can also use artificial setting, such as needs according to actual work, service and arranges, This is not construed as limiting.
Furthermore, after predetermined threshold value is set, can by user-machine interface or other Aptitude manner and entrance of automatically switching pre-set pattern (the most automatically performing step S200).
Step S202, pre-sets magnetic disk of virtual machine according to virtual machine template, and stores predetermined On data storage carrier.
Step S203, when virtual machine provided by needs, is mounted to magnetic disk of virtual machine immediately to create On virtual machine.
Step S202 of present embodiment and step S203 can be closed refering to earlier embodiments respectively In step S100 and the description of step S101, easily combine the model of understanding those skilled in the art In enclosing, do not repeat.
Referring to Fig. 3, Fig. 3 incorporated by reference to earlier embodiments is virtual machine management method the 3rd of the present invention The schematic flow sheet of embodiment, the virtual machine management method of present embodiment include but not limited to Under several steps.
Step S300, the instant number of the magnetic disk of virtual machine in detection data storage carrier.
In step S300, in a certain data storage carrier specified or all available numbers According to having existed for a number of magnetic disk of virtual machine pre-set in memory carrier, its number Amount may reach and/or exceed certain scope, or be likely to be due to quantity and too much affect The duty of the virtual machine serviced and service quality, it is also possible to due to the most in advance Arrange and reduce the service behaviour of system, additionally, pre-set the magnetic disk of virtual machine that quantity is too much Also resulting in the memory space of waste data storage carrier, therefore, present embodiment passes through step S300 detects the instant number of the magnetic disk of virtual machine in one or more data storage carrier, with reality The most intelligent pre-sets pattern.
Step S301, it is judged that whether instant number is less than predetermined threshold value.Little determining instant number When (i.e. "Yes") predetermined threshold value, perform step S302, and the least determining instant number When (i.e. "No") predetermined threshold value, wait pending step S306.
As it was previously stated, predetermined threshold value can be arranged by following process: obtain data storage carrier and exist The discharging quantity of the virtual machine corresponding with virtual machine template provided in Preset Time；According to providing number Amount arranges predetermined threshold value.It is not difficult to find out, arranges pre-by the discharging quantity in acquisition Preset Time If the mode of threshold value, it is possible to achieve dynamically putting down of the quantity of the magnetic disk of virtual machine in data storage carrier Weighing apparatus, and then ensure to have remained in Preset Time that predetermined threshold value magnetic disk of virtual machine etc. is pending Carry, the process of granting.Additionally, predetermined threshold value can also use artificial setting, such as according to reality The work on border, service need and arrange, in this no limit.
Step S302, it is judged that whether Spatial Residual value is less than the first residue threshold value preset.Judging To Spatial Residual value not less than (i.e. "No") first residue threshold value time, perform step S305, When determining Spatial Residual value less than (i.e. "Yes") first residue threshold value, perform step S303. Wherein, the embodiment at other can also omit follow-up step S303 and step S304, and When determining Spatial Residual value less than (i.e. "Yes") first residue threshold value, directly etc. pending Step S306, different situations is only explained in detail by present embodiment, the art people In the range of member understands, it is not used to constitute the restriction to present embodiment.
It should be noted that present embodiment is determining the instant number situation less than predetermined threshold value Under, need the Spatial Residual value determining whether the residual memory space of data storage carrier the least In the first default residue threshold value.Specifically, in step s 302, in order to ensure that data are deposited The service behaviour of storage carrier and the virtual machine etc. of carry and service performance, need to ensure that data are deposited I/O port (i.e. I/O mouth) between storage carrier and virtual machine is unimpeded, or ensures that data are deposited Storage carrier has enough residual memory spaces and stores the redundant digit that the virtual machine of carry produces According to, or be beneficial to the virtual machine of carry be expanded, extends (as expanded CPU core number, expansion Fill memory size and memory capacity etc.), therefore, present embodiment needs according to Spatial Residual value Size and determine the need for pre-setting magnetic disk of virtual machine.
It should be noted that the Spatial Residual value of present embodiment can be a data storage carrier Residual memory space or multiple data storage carrier the size of residual memory space altogether, example As when needs pre-set magnetic disk of virtual machine to data storage carrier A, data storage carrier A's The Spatial Residual value of residual memory space is less than the first residue threshold value, then stopping is pre-set void Plan machine disk is to data storage carrier A, and the residual memory space of simultaneously data storage carrier B Spatial Residual value not less than the first residue threshold value, then can pre-set during pre-setting Magnetic disk of virtual machine is to data storage carrier B.
Step S303, it is judged that whether Spatial Residual value is less than the second residue threshold value preset.Judging To Spatial Residual value less than (i.e. "Yes") second residue threshold value time, perform step S304, and When determining Spatial Residual value not less than (i.e. "No") second residue threshold value, wait pending step S306, wherein, the first residue threshold value is more than (or being more than or equal to) the second residue threshold value.
Step S304, deletes at least one magnetic disk of virtual machine pre-set.
Integrating step S303 and step S304 are not difficult to find out, if present embodiment is special due to some Different reason (detection instant number mistake or system poisoning etc.) and cause always according to virtual machine mould Plate pre-sets magnetic disk of virtual machine, and now, the instant number pre-setting magnetic disk of virtual machine will be disliked Meaning increases, and even has a strong impact on carry and carries out the service behaviour of the virtual machine serviced, or causes There is confusion etc. in the data for the data storage carrier of storage virtual machine disk；Therefore, this enforcement Mode judges in real time by step S303 whether Spatial Residual value is maintained at the second residue threshold value Near and be in the state of dynamic equilibrium, it is to avoid the generation of the problems referred to above simultaneously can also be the most clear Reason falls the unnecessary magnetic disk of virtual machine pre-set.Furthermore, by step S304, also may be used With dispose in time pre-set certain time (such as one week, two weeks or one month) and always The magnetic disk of virtual machine not used by carry, the most a certain CPU core number, memory size, memory capacity Equal-specification parameter cannot be used for carry and service；It is of course also possible to virtual according to a certain type Whether machine template is used by low frequency ground carry, and is determining Spatial Residual value less than the preset During two residue threshold values, the magnetic disk of virtual machine pre-setting out by the virtual machine template of the type is deleted Fall.Present embodiment can be cleaned out by step S304 so that limited data storage carrier Can effectively be used, and can prevent from thus resulting in magnetic disk of virtual machine owing to mistake, poisoning etc. are former Caused problem is set in a large number.
Step S305, pre-sets magnetic disk of virtual machine according to virtual machine template, and stores predetermined On data storage carrier.
In step S305,
Present embodiment specifically can be according to the storage shared by designated virtual machine in virtual machine template The attribute information of resource such as virtual machine memory capacity specification etc. pre-sets magnetic disk of virtual machine.The most in advance The disk that the virtual machine memory capacity specification in described virtual machine template is identical is taken in resource pool. Preferably, the magnetic disk of virtual machine pre-set can be with the memory capacity specification one of virtual machine masterplate Cause, it is also possible to consider further specify the operating system of (or loading) in virtual machine template and/or answer By the storage capacity information shared by program.In other embodiments, it is also possible to according to actual feelings Condition and set random or change storage capacity information regularly by predetermined, such as carry according to data storage The size of the real surplus memory space of body and adjust the memory capacity letter of magnetic disk of virtual machine intelligently Breath etc., in this no limit.
It should be noted that the data storage carrier of present embodiment is to deposit depositing of magnetic disk of virtual machine Storage space, it can be one or more, furthermore, between different data storage carriers Different virtual machine template can be deposited respectively and pre-set the magnetic disk of virtual machine obtained, it is also possible to Same data storage carrier is only deposited a type of virtual machine template and is pre-set and obtain Magnetic disk of virtual machine, its specifically can according to service scenario, work efficiency etc. carry out difference arrange, This is not construed as limiting.The magnetic disk of virtual machine that present embodiment pre-sets can store with virtual machine template In same data storage carrier (efficiency of the process of pre-setting can be improved), it is also possible to storage On the data storage carriers such as the storage device that Cloud Server is local；Certainly, at other embodiments Middle data storage carrier can also be external storage device, in this no limit.
Step S306, when virtual machine provided by needs, is mounted to magnetic disk of virtual machine immediately to create On virtual machine.
In step S306, present embodiment can by interrupt requests or according to cluster, The service load situation of server and judge whether " needing to provide virtual machine ", and receiving interruption Request or determine need provide virtual machine time, the most first create virtual machine (without according to virtual machine The attribute information of the storage resource shared by the virtual machine specified in template is in the storage of Cloud Server Magnetic disk of virtual machine etc. is created on equipment), then directly step S305 is arranged the virtual machine magnetic obtained Dish is mounted on the virtual machine that immediately creates.
It should be noted that in prior art when virtual machine provided by needs, needed for virtual machine is set The time wanted concrete the most also with the kind of memory capacity, application program and the operating system of magnetic disk of virtual machine Relevant: the biggest or application program and operating system the kind of the memory capacity of magnetic disk of virtual machine is the most multiple Miscellaneous, its required time is the longest, causes the speed providing virtual machine the slowest.It is not difficult to find out, this The process pre-set is carried out by embodiment in advance, and can immediately provide when needs are provided. And need to be to be noted that " process pre-set being carried out in advance " that present embodiment is carried mutually Can also be for receiving " interrupt requests " needing to provide virtual machine during pre-setting Or " needing to provide virtual machine " is determined according to cluster, the service load situation of server, this Time, the magnetic disk of virtual machine arranged can be with the virtual machine created after completing setting up procedure Carrying out carry, for prior art, this kind of mode still has the effect accelerating to provide virtual machine Really.
During concrete implementation, step S306 can include following process:
S1: when virtual machine provided by needs, obtains the appointment data storage carrier of input and specifies rule Lattice parameter；
S2: according to specifying data storage carrier to search corresponding data storage carrier, and according to appointment Specifications parameter searches the magnetic disk of virtual machine of correspondence in corresponding data storage carrier；
S3: obtain the instant virtual machine created, and corresponding magnetic disk of virtual machine is mounted to virtual machine On.
Be not difficult to find out from S1 to S3, Cloud Server etc. for the system of service be simultaneously used for one or Servicing in multiple clusters, server, therefore user (manager) needs in advance or in real time The different magnetic disk of virtual machine specifying the different size parameter in different pieces of information memory carrier is used for not Service in same cluster or server.Such as present embodiment can be according to cluster or server COS, network type etc. and the magnetic disk of virtual machine set by virtual machine template needed for specifying Service.Present embodiment realizes the optimization process of " retrieval-coupling " by S1 to S3, It is more conducive to service behaviour and the optimization of service quality.
In addition it should be pointed out that, prior art, when virtual machine provided by needs, creates virtual machine, Then virtual machine is connected with the magnetic disk of virtual machine carry of virtual machine template, and deposits in another data simultaneously Creating the difference disk being used for preserving the data of amendment in storage carrier, in other words, prior art will The virtual machine created is mounted on magnetic disk of virtual machine and the difference disk of virtual machine template simultaneously, and with Time need and two memory carriers between carry out data cube computation, transmission, this mode needs to account for simultaneously With the I/O mouth of two data storage carriers, if the virtual machine of carry work simultaneously too much or goes out The situation that existing I/O mouth blocks up, will have a strong impact on work efficiency and the service performance of the virtual machine of granting. And present embodiment is by the way of pre-setting magnetic disk of virtual machine, service at magnetic disk of virtual machine carry Time, virtual machine only and carries out I/O mouth between the magnetic disk of virtual machine pre-set and is connected and realizes data Connect, transmit, thus ensure work efficiency and the service performance of the virtual machine after providing.
Present invention efficiently solves in prior art and just start setting up when virtual machine provided by needs Magnetic disk of virtual machine, and the process such as magnetic disk of virtual machine is set and needs the substantial amounts of time, and then cause can not Providing the technical problem of virtual machine in time, the present invention avoids just starting setting up when providing virtual machine, Therefore it is effectively improved the speed providing virtual machine, it is ensured that work efficiency and service behaviour, changes It is apt to the experience of user.
Incorporated by reference to Figure 1B refering to Fig. 4, it it is the module signal of Cloud Server the first embodiment of the present invention Figure, the Cloud Server of present embodiment includes but not limited to pre-set module 41 and provide module 42.
Pre-set module 41 for pre-setting magnetic disk of virtual machine according to virtual machine template, and store On predetermined data storage carrier.
As it was previously stated, present embodiment pre-set module 41 specifically can be according in virtual machine template The attribute information of the storage resource shared by designated virtual machine such as virtual machine memory capacity specifications etc. are pre- Magnetic disk of virtual machine is first set.The virtual machine in described virtual machine template is taken the most in advance in resource pool The disk that memory capacity specification is identical.Preferably, the magnetic disk of virtual machine pre-set can be with void The memory capacity specification of plan machine masterplate is consistent, it is also possible to consider further to specify in virtual machine template Storage capacity information shared by the operating system of (or loading) and/or application program.Real at other Execute in mode, pre-set module 41 and can also set according to practical situation random or establish rules by pre- Rule ground changes storage capacity information, such as according to the real surplus memory space of data storage carrier Size and adjust the storage capacity information etc. of magnetic disk of virtual machine intelligently, in this no limit.
It should be noted that the data storage carrier of present embodiment is to deposit depositing of magnetic disk of virtual machine Storage space, it can be one or more, furthermore, between different data storage carriers Different virtual machine template can be deposited respectively and pre-set the magnetic disk of virtual machine obtained, it is also possible to Same data storage carrier is only deposited a type of virtual machine template and is pre-set and obtain Magnetic disk of virtual machine, its specifically can according to service scenario, work efficiency etc. carry out difference arrange, This is not construed as limiting.The magnetic disk of virtual machine that present embodiment pre-sets can store with virtual machine template In same data storage carrier (efficiency of the process of pre-setting can be improved), it is also possible to storage On the data storage carriers such as the storage device that Cloud Server is local (as shown in Figure 1B)；Certainly, Data storage carrier can also be external storage device in other embodiments, such as can be IP SAN, FC SAN, NAS etc., in this no limit.
Wherein, virtual machine template can use other virtual machines having been used for using or service as mould Plate, it is also possible to obtain beforehand through manually installed.Present embodiment is retouched as a example by manual installation State: create virtual machine, it is intended that the CPU core number of virtual machine, memory size, memory capacity etc., wound In data storage carrier, above-mentioned information and the magnetic disk of virtual machine of virtual machine is preserved after building；For create Virtual machine is installed operating system and application software and stores in this magnetic disk of virtual machine, as WEB takes Business and database；After completing above-mentioned establishment installation process, can be according to the operation of user or intelligence Can judge and as the follow-up virtual machine template pre-set.
Provide module 42 for when virtual machine provided by needs, magnetic disk of virtual machine being mounted to immediately On the virtual machine created.
Present embodiment provides module 42 can be by interrupt requests or according to cluster, service The service load situation of device and judge whether " needing to provide virtual machine ", and receiving interrupt requests Or determine need provide virtual machine time, provide module 42 the most first create virtual machine (without root According to the attribute information of the storage resource shared by the virtual machine specified in virtual machine template in cloud service Magnetic disk of virtual machine is created in the storage device of device), then directly will pre-set module 41 setting and obtain Magnetic disk of virtual machine be mounted on the virtual machine that immediately creates.
It should be noted that in prior art when virtual machine provided by needs, needed for providing virtual machine The time wanted concrete the most also with the kind of memory capacity, application program and the operating system of magnetic disk of virtual machine Relevant: the biggest or application program and operating system the kind of the memory capacity of magnetic disk of virtual machine is the most multiple Miscellaneous, its required time is the longest, causes the speed providing virtual machine the slowest.It is not difficult to find out, this Embodiment pre-sets module 41 to be carried out in advance by the process of setting, and provides when needs are provided Module 42 can be provided immediately.And need to be to be noted that present embodiment pre-sets module mutually 41 " process of setting being carried out in advance " carried can also be for connecing during pre-setting Receive " interrupt requests " needing to provide virtual machine or according to cluster, the service load feelings of server Condition and determine " need provide virtual machine ", now, the magnetic disk of virtual machine pre-set exists Carry can be carried out, compared to prior art with the virtual machine created after completing setting up procedure Speech, this kind of mode still has the effect accelerating to provide virtual machine.
Wherein, the instant virtual machine provided can be provided according to cluster, the loading condition of server Service in corresponding extra-heavy cluster, server, it is also possible to refer to according to the operation of user Surely it is issued in corresponding cluster, server service, certainly, in concrete work process, Also include the processes such as related network, in the range of those skilled in the art understands, the most carefully state.
If additionally, present embodiment pre-set module 41 needs provide virtual machine and one or During the magnetic disk of virtual machine being not previously set in multiple data storage carriers, it is also possible to immediately set Put (online arrange), during to avoid instant available virtual machine, produce unnecessary trouble, And then guarantee to provide for carrying out the virtual machine serviced.
In sum, Cloud Server of the present invention efficiently solves in prior art and provides void at needs Just start setting up magnetic disk of virtual machine during plan machine, and the processes such as magnetic disk of virtual machine are set when needing substantial amounts of Between, and then causing the technical problem that can not provide virtual machine in time, the present invention pre-sets with virtual The magnetic disk of virtual machine that machine template is identical, improves the speed providing virtual machine, it is ensured that Cloud Server Work efficiency and service behaviour, improve the experience of user.
Refer to the module diagram that Fig. 5, Fig. 5 are Cloud Server the second embodiments of the present invention, Present embodiment Cloud Server includes but not limited to pre-set module 51, provide module 52, detection Module the 53, first judge module the 54, second judge module 55, processing module 56 and execution module 57。
As it was previously stated, pre-set module 51 for pre-setting virtual machine magnetic according to virtual machine template Dish, and store on predetermined data storage carrier.
Provide module 52 for when virtual machine provided by needs, magnetic disk of virtual machine being mounted to immediately On the virtual machine created.
It should be noted that in the present embodiment, detection module 53 is used for detecting data storage The instant number of the magnetic disk of virtual machine in carrier.For example, carry in the storage of a certain data specified May have existed in internal or all available data storage carrier a number of in advance The magnetic disk of virtual machine arranged, its quantity may reach and/or exceed certain scope, or It is likely to be due to quantity and too much have impact on duty and the service quality of the virtual machine serviced, Possibly also owing to unrestrictedly pre-set and reduce the service behaviour of system, additionally, set in advance Put the too much magnetic disk of virtual machine of quantity and also result in the memory space of waste data storage carrier, because of This, present embodiment detects the void in one or more data storage carrier by detection module 53 The instant number of plan machine disk, with realize intelligence pre-set pattern.
First judge module 54 is for judging whether the instant number that detection module 53 detects is less than Predetermined threshold value.Wherein, the predetermined threshold value of present embodiment can preset according to data storage carrier The discharging quantity (or providing frequency) of the virtual machine provided in the time is configured, thus realizes number According to the dynamic equilibrium of the quantity of the magnetic disk of virtual machine in memory carrier, and ensure to begin in Preset Time Maintain pending carry, the processes of granting such as predetermined threshold value magnetic disk of virtual machine eventually.Additionally, it is pre- If threshold value can also use artificial setting, such as need according to actual work, service and arrange, In this no limit.Now, module 57 is performed for determining in real time at the first judge module 54 When quantity is less than predetermined threshold value, notice pre-sets module 51 and pre-sets void according to virtual machine template Plan machine disk is when the first judge module 54 determines instant number not less than predetermined threshold value, logical Know and provide the void that magnetic disk of virtual machine is mounted to when needing and providing virtual machine immediately create by module 52 On plan machine.
Furthermore, the first judge module 54 of present embodiment can be also used for judging data Whether the Spatial Residual value of the residual memory space of memory carrier is less than the first residue threshold value preset. Wherein, the first residue threshold value can be arranged by artificial, it is also possible to automatic by cloud server system Arrange, in this no limit.Present embodiment is in order to ensure data storage carrier and carry The service behaviour of virtual machine etc. and service performance, need to ensure between data storage carrier and virtual machine I/O port (i.e. I/O mouth) unimpeded, or it is enough surplus to ensure that data storage carrier has Remaining memory space stores the redundant data that the virtual machine of carry produces, or is beneficial to carry Virtual machine carry out expanding, extend (as expanded CPU core number, Extended RAM size and memory capacity Deng), therefore, present embodiment by the first judge module 54 according to the size of Spatial Residual value Determine the need for pre-setting magnetic disk of virtual machine.
Additionally, the residue that the Spatial Residual value of present embodiment can be a data storage carrier is deposited Storage space or multiple data storage carrier the size of residual memory space altogether, such as work as needs When pre-setting magnetic disk of virtual machine to data storage carrier A, the residue storage of data storage carrier A The Spatial Residual value in space is less than the first residue threshold value, then stopping is pre-set magnetic disk of virtual machine To data storage carrier A, and the Spatial Residual of the residual memory space of data storage carrier B simultaneously Value not less than the first residue threshold value, then can pre-set virtual machine magnetic during pre-setting Dish is to data storage carrier B.
Correspondingly, perform module 57 specifically to may be used for determining in real time at the first judge module 54 When quantity remains threshold value less than predetermined threshold value and Spatial Residual value not less than first, notice pre-sets mould Block 51 pre-sets magnetic disk of virtual machine according to virtual machine template, determines at the first judge module 54 When instant number remains threshold value less than predetermined threshold value but Spatial Residual value less than first, notice provides mould Magnetic disk of virtual machine is mounted on the virtual machine that immediately creates by block 52 when needing and providing virtual machine, When the first judge module 54 determines instant number not less than predetermined threshold value, notice provides module Magnetic disk of virtual machine is mounted on the virtual machine that immediately creates by 52 when needing and providing virtual machine.
It should be noted that the second judge module 55 of present embodiment is for judging mould first Block 54 determine Spatial Residual value less than first residue threshold value after, it is judged that whether Spatial Residual value Less than the second residue threshold value preset, wherein, the first residue threshold value is more than the second residue threshold value.
It can be appreciated that in the system of Cloud Server, it is understood that there may be some cause specific (detection mould Block 53 detects instant number mistake or cloud server system poisoning etc.) and cause always according to void Plan machine template pre-sets magnetic disk of virtual machine, now, pre-sets the instant number of magnetic disk of virtual machine Will maliciously increase, even have a strong impact on carry and carry out the service behaviour of the virtual machine serviced, or Person causes the data of the data storage carrier for storage virtual machine disk that confusion etc. occurs.Therefore, By the second judge module 55, present embodiment judges whether Spatial Residual value is maintained at the in real time Two remain Near Thresholds and are in the state of dynamic equilibrium, it is to avoid the generation of the problems referred to above simultaneously can also Enough clean out the unnecessary magnetic disk of virtual machine pre-set in time.
Processing module 56 remains less than second for determining Spatial Residual value at the second judge module 55 During remaining threshold value, delete at least one magnetic disk of virtual machine pre-set, and notify to provide module 52 When needing and providing virtual machine magnetic disk of virtual machine is mounted on the virtual machine that immediately creates, second When judge module 55 determines Spatial Residual value not less than the second residue threshold value, notice provides module Magnetic disk of virtual machine is mounted on the virtual machine that immediately creates by 52 when needing and providing virtual machine.
Pre-set as it was previously stated, present embodiment can be disposed in time by processing module 56 And house certain time (such as one week or one month) and the virtual machine that do not used by carry Disk, the most a certain CPU core number, memory size, memory capacity equal-specification parameter cannot be used for hanging It is loaded into row service；It is of course also possible to according to the virtual machine template of a certain type whether by low frequency ground Carry uses, and when determining Spatial Residual value less than the second residue threshold value preset, by such The magnetic disk of virtual machine that the virtual machine template of type pre-sets out is deleted.Present embodiment passes through intelligence The mode of the magnetic disk of virtual machine pre-set is deleted on energy ground so that limited data storage carrier can Effectively used, and can be prevented owing to the former magnetic disk of virtual machine that thus result in such as mistake, poisoning are by greatly Amount arranges caused problem.
Incorporated by reference to Fig. 5 refering to Fig. 6, in a preferred embodiment, Cloud Server can also include Acquisition module 58 and module 59 is set.
Acquisition module 58 is for obtaining data storage carrier is provided in Preset Time and virtual machine The discharging quantity of the virtual machine that template is corresponding.Present embodiment is obtained by acquisition module 58 and presets Discharging quantity in time and the mode of predetermined threshold value is set, it is possible to achieve in data storage carrier The dynamic equilibrium of the quantity of magnetic disk of virtual machine, and then ensure in Preset Time, remained default Pending carry, the processes of granting such as threshold value magnetic disk of virtual machine.
Module 59 is set default threshold is set for the discharging quantity got according to acquisition module 58 Value.
Incorporated by reference to Fig. 5 refering to Fig. 7, in a preferred embodiment, module 52 is provided the most permissible Including acquiring unit 520, search unit 521 and carry unit 522.
Acquiring unit 520, for when virtual machine provided by needs, obtains the appointment data storage of input Carrier and appointment specifications parameter.
Search unit 521 to search for the appointment data storage carrier obtained according to acquiring unit 520 Corresponding data storage carrier, and the appointment specifications parameter obtained according to acquiring unit 520 is in correspondence Data storage carrier in search corresponding magnetic disk of virtual machine.
Carry unit 522 is for obtaining the virtual machine of instant establishment, and is searched by lookup unit 521 To corresponding magnetic disk of virtual machine be mounted on virtual machine.
In the present embodiment, Cloud Server may be simultaneously used for one or more cluster, server Inside servicing, therefore user (manager) needs in advance or specifies different pieces of information storage in real time The different magnetic disk of virtual machine of the different size parameter in carrier is used for different clusters or server Inside service.Such as present embodiment can be according to cluster or the COS of server, network Magnetic disk of virtual machine out set by type etc. and virtual machine template needed for specifying services.This Embodiment realizes the distribution process optimized by " retrieval-coupling ", more conducively service behaviour and The optimization of service quality.
Present invention efficiently solves in prior art and just start setting up when virtual machine provided by needs Magnetic disk of virtual machine, and the process such as magnetic disk of virtual machine is set and needs the substantial amounts of time, and then cause can not Providing in time the technical problem of virtual machine, the present invention pre-sets identical with virtual machine template virtual Machine disk, improves the speed providing virtual machine, it is ensured that work efficiency and service behaviour, improves The experience of user.
Refer to Fig. 8, be the module diagram of Cloud Server the 3rd embodiment of the present invention, this reality The mode Cloud Server of executing includes but not limited to processor 61, random access memory 62, read-only deposits Reservoir 63 and bus 64, wherein, processor 61 by bus 64 respectively with random access memory Device 62 and read only memory 63 couple.
The processor 61 of present embodiment is used for pre-setting magnetic disk of virtual machine according to virtual machine template, And store on predetermined data storage carrier, and when virtual machine provided by needs, by virtual machine magnetic Dish is mounted on the virtual machine that immediately creates.
Wherein, processor 61 specifically can be according to shared by designated virtual machine in virtual machine template The attribute information such as virtual machine memory capacity specification etc. of storage resource pre-sets magnetic disk of virtual machine.I.e. The virtual machine memory capacity specification in described virtual machine template is taken in advance identical in resource pool Disk.Preferably, the magnetic disk of virtual machine pre-set can be with the memory capacity of virtual machine masterplate Specification is consistent, it is also possible to consider to specify in virtual machine template the operating system of (or loading) further And/or the storage capacity information shared by application program.In other embodiments, it is also possible to according to Practical situation and set random or change storage capacity information regularly, such as according to data by predetermined The size of the real surplus memory space of memory carrier and adjust the storage of magnetic disk of virtual machine intelligently Capacity information etc., in this no limit.
In a particular embodiment, processor 61 can be also used for detecting in data storage carrier The instant number of magnetic disk of virtual machine；Judge that whether instant number is less than predetermined threshold value；Determining Pre-set magnetic disk of virtual machine according to virtual machine template when instant number is less than predetermined threshold value, and sentencing Break to instant number not less than predetermined threshold value and need provide virtual machine time, by magnetic disk of virtual machine carry On the instant virtual machine created.
Additionally, other detailed description of the invention of the Cloud Server of present embodiment also refer to the most real Execute the associated description of mode, easily combine in the range of understanding those skilled in the art, the most one by one Repeat.
Present invention efficiently solves in prior art and just start setting up when virtual machine provided by needs Magnetic disk of virtual machine, and the process such as magnetic disk of virtual machine is set and needs the substantial amounts of time, and then cause can not Providing in time the technical problem of virtual machine, the present invention pre-sets identical with virtual machine template virtual Machine disk, improves the speed providing virtual machine, it is ensured that work efficiency and service behaviour, improves The experience of user.
In several embodiments provided by the present invention, it should be understood that disclosed system, Apparatus and method, can realize by another way.Such as, device described above is implemented Mode is only schematically, such as, described module or the division of unit, it is only a kind of logic Function divides, and actual can have other dividing mode when realizing, and the most multiple unit or assembly can To combine or to be desirably integrated into another system, or some features can be ignored, or does not performs. Another point, shown or discussed coupling each other or direct-coupling or communication connect INDIRECT COUPLING or communication by some interfaces, device or unit connect, and can be electrical, machinery Or other form.
The described unit illustrated as separating component can be or may not be physically separate , the parts shown as unit can be or may not be physical location, i.e. may be located at One place, or can also be distributed on multiple NE.Can select according to the actual needs Select some or all of unit therein to realize the purpose of present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a process In unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit Integrated in a unit.Above-mentioned integrated unit both can realize to use the form of hardware, it is possible to To use the form of SFU software functional unit to realize.
If described integrated unit realizes and as independent product using the form of SFU software functional unit When product are sold or use, can be stored in a computer read/write memory medium.Based on so Understanding, part that prior art is contributed by technical scheme the most in other words or Completely or partially can embodying with the form of software product of this technical scheme of person, this computer Software product is stored in a storage medium, including some instructions with so that a computer sets Standby (can be personal computer, management server, or the network equipment etc.) or processor (processor) all or part of step of method described in each embodiment of the present invention is performed.And Aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or The various media that can store program code such as person's CD.
The foregoing is only embodiments of the present invention, not thereby limit the protection model of the present invention Enclosing, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process become Change, or be directly or indirectly used in other relevant technical fields, be the most in like manner included in the present invention's In scope of patent protection.

Claims (14)

1. a virtual machine management method, it is characterised in that including:
The instant number of the magnetic disk of virtual machine in detection data storage carrier；
Judge that whether described instant number is less than predetermined threshold value；
When determining described instant number less than described predetermined threshold value, according to virtual machine template in advance Magnetic disk of virtual machine is set, and stores on predetermined data storage carrier；
When virtual machine provided by needs, described magnetic disk of virtual machine is mounted to the virtual machine immediately created On.
Virtual machine management method the most according to claim 1, it is characterised in that described Magnetic disk of virtual machine is pre-set according to virtual machine template, including:
According to the attribute information of the storage resource shared by the virtual machine specified in virtual machine template, in advance First in the storage device of Cloud Server, create described magnetic disk of virtual machine.
Virtual machine management method the most according to claim 2, it is characterised in that described void The attribute information of the storage resource shared by virtual machine specified in plan machine template include following arbitrarily One or a combination thereof: virtual machine storage capacity information, the storage shared by operating system of virtual machine Capacity information, or the storage capacity information shared by application program that virtual machine loads.
Virtual machine management method the most according to claim 1, it is characterised in that described inspection Also wrap before the step of the instant number surveying the described magnetic disk of virtual machine in described data storage carrier Include:
Obtain described data storage carrier that provide in Preset Time with described virtual machine template pair The discharging quantity of the virtual machine answered；
Discharging quantity according to described virtual machine arranges described predetermined threshold value.
Virtual machine management method the most according to claim 4, it is characterised in that described Before pre-setting magnetic disk of virtual machine according to virtual machine template, also include:
Judge that whether the Spatial Residual value of residual memory space of described data storage carrier is less than pre- If first residue threshold value；
When determining described Spatial Residual value not less than described first residue threshold value, perform described The step of magnetic disk of virtual machine is pre-set according to virtual machine template.
Virtual machine management method the most according to claim 5, it is characterised in that judging Also include to described Spatial Residual value less than after described first residue threshold value:
Judge described Spatial Residual value whether less than the second residue threshold value preset, wherein, described the One residue threshold value is more than described second residue threshold value；
If judge described Spatial Residual value less than described second residue threshold value, delete at least one institute State the magnetic disk of virtual machine pre-set.
7. according to the virtual machine management method described in any one of claim 1-3, it is characterised in that Described when virtual machine provided by needs, described magnetic disk of virtual machine is mounted to the virtual machine immediately created On, including:
When virtual machine provided by needs, obtain the appointment data storage carrier of input and specify specification ginseng Number；
Corresponding data storage carrier is searched according to described appointment data storage carrier, and according to described Specifications parameter is specified to search the magnetic disk of virtual machine of correspondence in the data storage carrier of described correspondence；
Obtain the instant virtual machine created, and the magnetic disk of virtual machine of described correspondence is mounted to described void On plan machine.
8. a Cloud Server, it is characterised in that described Cloud Server includes:
Detection module, for detecting the instant number of the magnetic disk of virtual machine in data storage carrier；
First judge module, for judging described instant number that described detection module detects whether Less than predetermined threshold value；
Perform module, for determining described instant number less than described at described first judge module During predetermined threshold value, notice pre-sets module and pre-sets magnetic disk of virtual machine according to virtual machine template；
Described pre-set module, for pre-setting magnetic disk of virtual machine according to virtual machine template, and deposit Store up on predetermined data storage carrier；
Provide module, for when virtual machine provided by needs, described magnetic disk of virtual machine being mounted to i.e. Time create virtual machine on.
Cloud Server the most according to claim 8, it is characterised in that described in pre-set mould Block is specifically for the attribute according to the storage resource shared by the virtual machine specified in virtual machine template Information, creates described magnetic disk of virtual machine in advance in the storage device of Cloud Server.
Cloud Server the most according to claim 9, it is characterised in that described virtual machine mould The attribute information of the storage resource shared by the virtual machine specified in plate include following any one or A combination thereof: virtual machine storage capacity information, the letter of the memory capacity shared by operating system of virtual machine Breath, or the storage capacity information shared by application program that virtual machine loads.
11. Cloud Servers according to claim 8, it is characterised in that described Cloud Server Also include:
Acquisition module, for obtain that described data storage carrier provides in Preset Time with described The discharging quantity of the virtual machine that virtual machine template is corresponding；
Arranging module, the described discharging quantity for getting according to described acquisition module arranges described Predetermined threshold value.
12. Cloud Servers according to claim 11, it is characterised in that:
Described first judge module is additionally operable to judge the residual memory space of described data storage carrier Spatial Residual value whether less than the first residue threshold value preset；
Described execution module specifically for: determine described Spatial Residual at described first judge module When value is not less than described first residue threshold value, pre-set module described in notice pre-according to virtual machine template Magnetic disk of virtual machine is first set.
13. Cloud Servers according to claim 12, it is characterised in that described cloud service Device also includes:
Second judge module is little for determining described Spatial Residual value at described first judge module After described first remains threshold value, it is judged that whether described Spatial Residual value remains less than second preset Remaining threshold value, wherein, described first residue threshold value is more than described second residue threshold value；
At described second judge module, processing module, for judging that described Spatial Residual value is less than described During the second residue threshold value, delete the magnetic disk of virtual machine pre-set described at least one.
14. Cloud Servers described in-10 any one according to Claim 8, it is characterised in that described Granting module specifically includes:
Acquiring unit, for when virtual machine provided by needs, the appointment data storage obtaining input carries Body and appointment specifications parameter；
Search unit, look into for the described appointment data storage carrier obtained according to described acquiring unit Look for the data storage carrier of correspondence, and the described appointment specifications parameter obtained according to described acquiring unit The magnetic disk of virtual machine of correspondence is searched in the data storage carrier of described correspondence；
Carry unit, for obtaining the virtual machine of instant establishment, and finds described lookup unit The magnetic disk of virtual machine of described correspondence be mounted on described virtual machine.
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