CN104461698A - Dynamic virtual disk mounting method, virtual disk management device and distributed storage system - Google Patents
Dynamic virtual disk mounting method, virtual disk management device and distributed storage system Download PDFInfo
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- CN104461698A CN104461698A CN201410836656.7A CN201410836656A CN104461698A CN 104461698 A CN104461698 A CN 104461698A CN 201410836656 A CN201410836656 A CN 201410836656A CN 104461698 A CN104461698 A CN 104461698A
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Abstract
The invention relates to the technical field of computers and provides a dynamic virtual disk mounting method, a virtual disk management device and a distributed storage system. The method includes the steps that the virtual disk management device acquires an establishment instruction; a virtual disk is established and storage capacity is distributed; the virtual disk is formatted; the virtual disk is mounted to a virtual machine based on a hot-plug data transmission protocol. The management device comprises an establishment instruction acquisition unit, a virtual disk establishment unit, a storage capacity distribution unit, a virtual disk formatting unit and a virtual disk mounting unit. The distributed storage system comprises the virtual disk management device and a storage resource pool. The virtual disk is formatted according to an operating system of the virtual machine where the virtual disk is to be mounted after being established, and is mounted to the virtual machine through the hot-plug data transmission protocol. By means of the mounting mode, the virtual disk mounting steps are simplified, users do not need to conduct much operations manually, and user experience is improved.
Description
Technical field
The present invention relates to field of computer technology, in particular to the method for the dynamic carry of a kind of virtual disk, management devices and distributed memory system.
Background technology
Distributed memory system data scatter is stored in multiple stage independently on equipment, by internet for enterprises and individuals provides storage, the service such as reading or download of data.Distributed memory system uses the storage space on network, and these storage spaces disperseed is formed a virtual memory device, and data are just stored on this virtual memory device, and in fact data are each corners being stored in network dispersedly.Before using existing distributed memory system, must to the virtual disk of virtual machine carry desired volume used, but the process of carry is too loaded down with trivial details.
Summary of the invention
The object of the present invention is to provide the method for the dynamic carry of a kind of virtual disk, management devices and distributed memory system, to simplify the carry process of virtual disk.
The present invention is achieved in that
First aspect, embodiments provides the method for the dynamic carry of a kind of virtual disk, is applied to distributed memory system, and described distributed memory system comprises virtual disk management devices, and the method for the dynamic carry of described virtual disk comprises:
Described virtual disk management devices obtains and creates instruction, and described establishment instruction comprises virtual disk capacity information and treats the operation system information of virtual machine of carry;
Described virtual disk management devices creates virtual disk, is the virtual disk memory allocated capacity of described establishment according to described virtual disk capacity information;
Described virtual disk management devices according to described in treat that described virtual disk formats by the operation system information of the virtual machine of carry;
Described virtual disk management devices by the virtual disk after described format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry.
In conjunction with first aspect, embodiments provide the first possible embodiment of first aspect, wherein said distributed memory system also comprises memory resource pool, described memory resource pool is for storing the address information of some memory nodes, described is the virtual disk memory allocated capacity of described establishment according to described virtual disk capacity information, comprising:
Described virtual disk management devices sends memory node to described distributed memory system and distributes request;
Obtain the address information of the memory node that described distributed memory system extracts from described memory resource pool, the capacity of the memory node that the address information of described memory node is corresponding mates with the disk size that described virtual disk capacity information comprises.
According to the virtual disk capacity information that user selects, virtual disk management devices is that virtual disk distributes identical capacity.
In conjunction with the first possible embodiment of first aspect or first aspect, embodiments provide the embodiment that the second of first aspect is possible, wherein said virtual disk management devices according to described in treat that described virtual disk formats by the operation system information of the virtual machine of carry, comprising:
Described virtual disk management devices according to described in treat that the operation system information of the virtual machine of carry is by described virtual disk quick formatting.
Level establishment second that quick format turns to virtual disk provides possibility.
In conjunction with the embodiment that the second of first aspect is possible, embodiments provide the third possible embodiment of first aspect, wherein said virtual disk management devices by the virtual disk after described format based on the Data Transport Protocol carry of dynamically plug in the virtual machine treating carry, comprising:
Described virtual disk management devices by the virtual disk after described quick formatting based on small computer system interface SCSI agreement carry in the virtual machine treating carry.
SCSI agreement can realize the dynamic carry of virtual disk in virtual machine, and carry quantity is unrestricted.
Second aspect, embodiments provides a kind of virtual disk management devices, is applied to distributed memory system, and described virtual disk management devices comprises:
Create instruction and obtain unit, for obtaining establishment instruction, described establishment instruction comprises virtual disk capacity information and treats the operation system information of virtual machine of carry;
Virtual disk creating unit, for creating virtual disk;
Memory capacity allocation units, for according to described virtual disk capacity information being the virtual disk memory allocated capacity of described establishment;
Virtual disk formatting unit, for treating described in basis that described virtual disk formats by the operation system information of the virtual machine of carry;
Virtual disk carry unit, for by the virtual disk after described format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry.
In conjunction with second aspect, embodiments provide the first possible embodiment of second aspect, wherein said virtual disk formatting unit specifically for: treat that the operation system information of the virtual machine of carry is by described virtual disk quick formatting according to described.
In conjunction with the first possible embodiment of second aspect, embodiments provide the embodiment that the second of second aspect is possible, wherein said virtual disk carry unit specifically for: by the virtual disk after described quick formatting based on SCSI agreement carry in the virtual machine treating carry.
Second aspect, embodiments provides a kind of distributed memory system, comprising:
Virtual disk management devices, for creating and format virtual disk, by the virtual disk after described format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry;
Memory resource pool, provides memory node for the virtual disk created for described virtual disk management devices.
The invention provides method and the virtual disk management devices of the dynamic carry of a kind of virtual disk, by just the operating system of virtual disk according to the virtual machine treating carry being formatd after establishment virtual disk, and by the virtual disk after formaing by the Data Transport Protocol carry of hot plug in the virtual machine treating carry.Such carry mode simplifies the carry step of virtual disk, and user does not need too many manual operation, improves the Experience Degree of user.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the method for the dynamic carry of a kind of virtual disk that the embodiment of the present invention provides;
Fig. 2 shows the method for the dynamic carry of another kind of virtual disk that the embodiment of the present invention provides;
Fig. 3 shows the structured flowchart of a kind of virtual disk management devices that the embodiment of the present invention provides;
Fig. 4 shows the structured flowchart of a kind of distributed memory system that the embodiment of the present invention provides;
Fig. 5 shows the structure of a kind of virtual disk management devices that the embodiment of the present invention provides.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Traditional network store system adopts the storage server concentrated to deposit all data, and storage server becomes the bottleneck of system performance, is also the focus of reliability and security, can not meet the needs of Mass storage application.Distributed memory system adopts extendible system architecture, utilizes multiple stage storage server to share storage load, utilizes location server to locate storage information, and it not only increases the reliability of system, availability and access efficiency, is also easy to expansion.User, before use distributed storage system, first will create virtual machine, and be virtual machine mount virtual disk, also needs user manually to be formatd by virtual disk, identify virtual disk to enable virtual machine after carry is good.Existing carry complex steps, because prior art makes virtual disk by integrated driving electronic equipment (Integrated Drive Electronics, IDE) interface carry, cause the limited amount of carry, and can not carry online, have impact on the experience of user.
The method of the dynamic carry of the virtual disk that the embodiment of the present invention provides, management devices and distributed memory system, online carry can be realized, and the carry quantity of virtual disk is unrestricted, does not need user manually to format virtual disk yet, simplify the step of carry.
Consult Fig. 1, the embodiment of the present invention provides the method for the dynamic carry of a kind of virtual disk, is applied to distributed memory system, and distributed memory system comprises virtual disk management devices, and the method for the dynamic carry of virtual disk comprises:
S101: virtual disk management devices obtains and creates instruction, creates the operation system information of virtual machine that instruction comprises virtual disk capacity information and treats carry.
S102: virtual disk management devices creates virtual disk.
S103: virtual disk management devices is the virtual disk memory allocated capacity created according to virtual disk capacity information.
S104: virtual disk formats according to the operation system information of the virtual machine treating carry by virtual disk management devices.
S105: virtual disk management devices by the virtual disk after format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry.
By above-mentioned steps, virtual disk is by carry in virtual machine, and this carry mode is dynamic.The embodiment of the present invention provides the method for the dynamic carry of another virtual disk, more can simplify the carry step of virtual disk, improves the Experience Degree of user.
Consult Fig. 2, the method for the dynamic carry of another kind of virtual disk, is applied to distributed memory system, and distributed memory system comprises virtual disk management devices, and the method for the dynamic carry of virtual disk comprises:
S201: virtual disk management devices obtains and creates instruction, creates the operation system information of virtual machine that instruction comprises virtual disk capacity information and treats carry.
S202: virtual disk management devices creates virtual disk.
S203: virtual disk management devices is the virtual disk memory allocated capacity created according to virtual disk capacity information;
Wherein, distributed memory system also comprises memory resource pool, memory resource pool is for storing the address information of some memory nodes, when virtual disk management devices is the virtual disk memory allocated capacity of described establishment according to described virtual disk capacity information, after sending memory node distribution request to distributed memory system, obtain the address information of mating memory node with virtual disk capacity information that distributed memory system extracts from memory resource pool, realize according to virtual disk capacity information virtual disk partition capacity.
The memory capacity of distributing can be identical with the disk size information that user when creating selects, and also can distribute according to the capacity actual conditions of whole memory resource pool, but be no more than the disk size of user's selection, the embodiment of the present invention does not limit.
S204: virtual disk management devices is according to treating that the operation system information of virtual machine of carry is by virtual disk quick formatting.
Wherein, described quick formatting is for common format.Quick formatting is adopted, with rapid reaction user's request in the embodiment of the present invention.
S205: virtual disk management devices by the virtual disk after quick formatting based on SCSI agreement carry in the virtual machine treating carry.
In order to realize above-mentioned steps, consult Fig. 3, the virtual disk management devices 301 being applied to distributed memory system comprises establishment instruction and obtains unit 302, virtual disk creating unit 303, memory capacity allocation units 304, virtual disk formatting unit 305 and virtual disk carry unit 306.Wherein,
Create instruction and obtain unit 302 for obtaining establishment instruction, create the operation system information of virtual machine that instruction comprises virtual disk capacity information and treats carry.
Virtual disk creating unit 303 is for creating virtual disk.
Memory capacity allocation units 304 are for according to virtual disk capacity information being the virtual disk memory allocated capacity created.
Virtual disk formatting unit 305 is for formaing virtual disk according to the operation system information of the virtual machine treating carry.
Virtual disk carry unit 306 for by the virtual disk after format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry.
Virtual disk formatting unit 305 specifically for: according to treating that the operation system information of virtual machine of carry is by virtual disk quick formatting.
Virtual disk carry unit 306 specifically for: by the virtual disk after quick formatting based on SCSI agreement carry in the virtual machine treating carry.
Consult Fig. 4, the embodiment of the present invention provides a kind of distributed memory system 401, and this distributed memory system 401 comprises virtual disk management devices 301 and memory resource pool 402, and wherein memory resource pool 402 stores the address information of some memory nodes.
Virtual disk management devices 301 is for creating and format virtual disk, by the virtual disk after format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry, wherein the Data Transport Protocol of hot plug selects small computer system interface (SmallComputer System Interface, SCSI) agreement.
Memory resource pool 402 provides memory node for the virtual disk created for virtual disk management devices 301.
Process flow diagram in accompanying drawing and block diagram show system according to multiple embodiment of the present invention, the architectural framework in the cards of method and computer program product, function and operation.In this, each square frame in process flow diagram or block diagram can represent a part for module, program segment or a code, and a part for described module, program segment or code comprises one or more executable instruction for realizing the logic function specified.Also it should be noted that at some as in the realization of replacing, the function marked in square frame also can be different from occurring in sequence of marking in accompanying drawing.Such as, in fact two continuous print square frames can perform substantially concurrently, and they also can perform by contrary order sometimes, and this determines according to involved function.Also it should be noted that, the combination of the square frame in each square frame in block diagram and/or process flow diagram and block diagram and/or process flow diagram, can realize by the special hardware based system of the function put rules into practice or action, or can realize with the combination of specialized hardware and computer instruction.
When using this distributed memory system 401, user first sends virtual disk and creates instruction, and the establishment instruction of virtual disk management devices 301 obtains the establishment instruction that unit 302 obtains virtual disk.Wherein the establishment instruction of virtual disk comprises virtual disk capacity information and treats the operation system information of virtual machine of carry.Virtual disk creating unit 303 creates virtual disk according to establishment instruction.Memory capacity allocation units 304 are that virtual disk distributes disk size according to virtual disk capacity information.The virtual disk created is carried out quick formatting operation according to the operation system information of the virtual machine treating carry by virtual disk formatting unit 305, makes virtual machine can identify the virtual disk of carry.After quick formatting, virtual disk carry unit 306 by virtual disk based on SCSI agreement carry in the virtual machine treating carry.By above-mentioned steps, virtual disk just can by virtual machine call.
The method of above-mentioned mount virtual disk owing to being based on SCSI agreement carry, so the virtual disk quantity of carry is unrestricted, and can dynamic carry.Virtual disk management devices 301 can be given and automatically be formatd by virtual disk according to the operating system of the virtual machine treating carry, eliminate the step of the manual format manipulation of user, simplify program, and quick formatting is consuming time short, level second that can realize virtual disk creates, and improves the Experience Degree of user.
See Fig. 5, the embodiment of the present invention also provides a kind of virtual disk management devices 500, comprising: processor 503, storer 502, bus 501 and communication interface 504.Described processor 503, communication interface 504 are connected by bus 501 with storer 502; The executable module of processor 503 for storing in execute store 502, such as computer program.
Wherein, storer 502 may comprise high-speed random access memory (RAM:Random Access Memory), also non-labile storer (non-volatile memory) may also be comprised, such as at least one magnetic disk memory.Realize the communication connection between this system network element and at least one other network element by least one communication interface 504 (can be wired or wireless), can internet be used, wide area network, local network, Metropolitan Area Network (MAN) etc.
Bus 501 can be isa bus, pci bus or eisa bus etc.Described bus can be divided into address bus, data bus, control bus etc.For ease of representing, only representing with a four-headed arrow in Fig. 5, but not representing the bus only having a bus or a type.
Wherein, storer 502 is for storage program, and described processor 503, after receiving execution instruction, performs described program, the method performed by device of the stream procedure definition that aforementioned embodiment of the present invention any embodiment discloses can be applied in processor 503, or is realized by processor 503.
Processor 503 may be a kind of integrated circuit (IC) chip, has the processing power of signal.In implementation procedure, each step of said method can be completed by the instruction of the integrated logic circuit of the hardware in processor 503 or software form.Above-mentioned processor 503 can be general processor, comprises central processing unit (Central Processing Unit is called for short CPU), network processing unit (Network Processor is called for short NP) etc.; Can also be digital signal processor (DSP), special IC (ASIC), ready-made programmable gate array (FPGA) or other programmable logic device (PLD), discrete gate or transistor logic, discrete hardware components.Can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.The processor etc. of general processor can be microprocessor or this processor also can be any routine.Step in conjunction with the method disclosed in the embodiment of the present invention directly can be presented as that hardware decoding processor is complete, or combines complete by the hardware in decoding processor and software module.Software module can be positioned at random access memory, flash memory, ROM (read-only memory), in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable storer, register.This storage medium is positioned at storer 502, and processor 503 reads the information in storer 502, completes the step of said method in conjunction with its hardware.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (8)
1. a method for the dynamic carry of virtual disk, is characterized in that being applied to distributed memory system, and described distributed memory system comprises virtual disk management devices, and the method for the dynamic carry of described virtual disk comprises:
Described virtual disk management devices obtains and creates instruction, and described establishment instruction comprises virtual disk capacity information and treats the operation system information of virtual machine of carry;
Described virtual disk management devices creates virtual disk, is the virtual disk memory allocated capacity of described establishment according to described virtual disk capacity information;
Described virtual disk management devices according to described in treat that described virtual disk formats by the operation system information of the virtual machine of carry;
Described virtual disk management devices by the virtual disk after described format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry.
2. the method for the dynamic carry of virtual disk according to claim 1, it is characterized in that, described distributed memory system also comprises memory resource pool, described memory resource pool is for storing the address information of some memory nodes, described is the virtual disk memory allocated capacity of described establishment according to described virtual disk capacity information, comprising:
Described virtual disk management devices sends memory node to described distributed memory system and distributes request;
Obtain the address information of the memory node that described distributed memory system extracts from described memory resource pool, the capacity of the memory node that the address information of described memory node is corresponding mates with the disk size that described virtual disk capacity information comprises.
3. the method for the dynamic carry of virtual disk according to claim 1 and 2, is characterized in that, described virtual disk management devices according to described in treat that described virtual disk formats by the operation system information of the virtual machine of carry, comprising:
Described virtual disk management devices according to described in treat that the operation system information of the virtual machine of carry is by described virtual disk quick formatting.
4. the method for the dynamic carry of virtual disk according to claim 3, is characterized in that, described virtual disk management devices by the virtual disk after described format based on the Data Transport Protocol carry of dynamically plug in the virtual machine treating carry, comprising:
Described virtual disk management devices by the virtual disk after described quick formatting based on small computer system interface SCSI agreement carry in the virtual machine treating carry.
5. a virtual disk management devices, is characterized in that being applied to distributed memory system, and described virtual disk management devices comprises:
Create instruction and obtain unit, for obtaining establishment instruction, described establishment instruction comprises virtual disk capacity information and treats the operation system information of virtual machine of carry;
Virtual disk creating unit, for creating virtual disk;
Memory capacity allocation units, for according to described virtual disk capacity information being the virtual disk memory allocated capacity of described establishment;
Virtual disk formatting unit, for treating described in basis that described virtual disk formats by the operation system information of the virtual machine of carry;
Virtual disk carry unit, for by the virtual disk after described format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry.
6. virtual disk management devices according to claim 5, is characterized in that, described virtual disk formatting unit specifically for: treat that the operation system information of the virtual machine of carry is by described virtual disk quick formatting according to described.
7. virtual disk management devices according to claim 5, is characterized in that, described virtual disk carry unit specifically for: by the virtual disk after described quick formatting based on SCSI agreement carry in the virtual machine treating carry.
8. a distributed memory system, is characterized in that, comprising:
Virtual disk management devices, for creating and format virtual disk, by the virtual disk after described format based on the Data Transport Protocol carry of hot plug in the virtual machine treating carry;
Memory resource pool, provides memory node for the virtual disk created for described virtual disk management devices.
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| CN108932113A (en) * | 2018-06-28 | 2018-12-04 | 郑州云海信息技术有限公司 | A kind of disk management method, device, equipment and readable storage medium storing program for executing |
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| CN109375874A (en) * | 2018-09-28 | 2019-02-22 | 深信服科技股份有限公司 | A kind of call method of distributed storage, device and equipment |
| WO2020083067A1 (en) * | 2018-10-26 | 2020-04-30 | 华为技术有限公司 | Resource management method and apparatus |
| CN111381929A (en) * | 2018-12-29 | 2020-07-07 | 广州小沐信息科技有限公司 | Realization method for xen virtualization to automatically identify newly-added disk of windows virtual machine |
| CN113504872A (en) * | 2021-05-14 | 2021-10-15 | 济南浪潮数据技术有限公司 | Method, system, equipment and medium for mounting virtual disk on cloud physical machine |
| CN113504872B (en) * | 2021-05-14 | 2023-11-03 | 济南浪潮数据技术有限公司 | Method, system, equipment and medium for mounting virtual disk on cloud physical machine |
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