CN105808165B - Method and device for accessing storage device by virtual machine in cloud computing management platform - Google Patents
Method and device for accessing storage device by virtual machine in cloud computing management platform Download PDFInfo
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- CN105808165B CN105808165B CN201610120933.3A CN201610120933A CN105808165B CN 105808165 B CN105808165 B CN 105808165B CN 201610120933 A CN201610120933 A CN 201610120933A CN 105808165 B CN105808165 B CN 105808165B
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 244000166124 Eucalyptus globulus Species 0.000 claims description 3
- 239000003818 cinder Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
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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
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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Abstract
The embodiment of the invention provides a method and a device for accessing a storage device by a virtual machine in a cloud computing management platform, wherein the method comprises the following steps: judging whether the storage equipment to be accessed by the virtual machine and the virtual machine are in the same physical machine or not; and if so, the virtual machine directly mounts the storage device. The method and the device for accessing the storage equipment by the virtual machine in the cloud computing management platform solve the problem that the virtual machine cannot be directly connected with the local storage equipment and needs to be connected through an iSCSI protocol in the prior art.
Description
Technical field
The present invention relates to cloud storage technical fields, and in particular to a kind of virtual machine access storage in cloud computing management platform
The method and apparatus of equipment.
Background technique
In cloud computing system, virtual machine will read and write data by the storage equipment in access storage network.To use
For the cloud computing system of openstack frame, calculate node therein is all by iSCSI protocol and depositing in storage network
Store up equipment connection.Fig. 1 show a kind of conventional architecture of the calculate node connection storage equipment of prior art offer.Such as Fig. 1 institute
Show, each virtual machine being located in physical machine A (calculate node) must pass through an iSCSI client and another physical machine B
ISCSI service end in (memory node) is communicated, and further connects corresponding storage equipment by the iSCSI service end
(physical disk).
Another framework for the calculate node connection storage equipment that the prior art shown in Fig. 2 provides.As shown in Fig. 2, storage
Node and calculate node are all located on same physical machine A, at this time if still going to be written and read by iscsi agreement, are just seemed
Do not optimize very much.If virtual machine can be directly connected to corresponding local memory device, without iSCSI protocol, then in read-write property
Can on have and be obviously improved.It can be seen that being badly in need of a kind of method that can be realized the direct-connected local memory device of virtual machine.
Summary of the invention
In view of this, managing virtual machine access storage equipment in platform in cloud computing the embodiment of the invention provides a kind of
Method and apparatus, solve in the prior art that virtual machine can not be directly connected to local memory device, and must pass through iSCSI protocol
The problem of being attached.
A kind of method packet for virtual machine access storage equipment in cloud computing management platform that one embodiment of the invention provides
It includes:
Judge whether storage equipment that the virtual machine to be accessed with the virtual machine is in same physical machine；And
If it is, storing equipment described in the direct carry of virtual machine.
Wherein, further comprise:
Obtain the globally unique title for the storage equipment that the virtual machine to be accessed；Wherein
Judge whether storage equipment that the virtual machine to be accessed is in same physical machine with the virtual machine and includes:
Look for whether that the title of storage equipment contains institute in the file system of the physical machine locating for the virtual machine
State the globally unique title for the storage equipment to be accessed.
Wherein, the globally unique title for obtaining the storage equipment that the virtual machine to be accessed includes:
The overall situation of the storage equipment is obtained only according to the Object linking that the virtual machine is used to connect the storage equipment
One title.
Wherein, storage equipment described in the direct carry of the virtual machine includes:
The Object linking that the virtual machine is used to connect the storage equipment is associated with physics locating for the virtual machine
The file system of machine corresponds to the virtual memory facilities of the storage equipment creation.
Wherein, the Object linking that the virtual machine is used to connect the storage equipment is associated with locating for the virtual machine
The file system of physical machine corresponds to the virtual memory facilities that the storage equipment creates
According to the globally unique title of the virtual machine storage equipment to be accessed, find described in the file system correspondence
Store the virtual memory facilities of equipment creation；
The Object linking that the virtual machine is used to connect the storage equipment is changed to described in the file system correspondence
Store the address of the virtual memory facilities of equipment creation.
Wherein, the Object linking that the virtual machine is used to connect the storage equipment file system is changed to correspond to
The address of the virtual memory facilities of the storage equipment creation includes:
In the NameSpace of the virtual machine, the Object linking parameter for being used to connect the storage equipment is replaced with into institute
State the address that file system corresponds to the virtual memory facilities of the storage equipment creation.
Wherein, further comprise:
If it is not, then the virtual machine is connected to the storage equipment by iSCSI protocol.
Wherein, the virtual machine is connected to the storage equipment by iSCSI protocol and includes:
The Object linking that the virtual machine is used to connect the storage equipment is associated with iSCSI and corresponds to the storage equipment
The virtual memory facilities of creation.
Wherein, the cloud computing management platform is OpenStack, CloudStack, VMware vCloud, Microsoft
Azure Pack, OpenNebula or Eucalyptus.
A kind of device for virtual machine access storage equipment in cloud computing management platform that one embodiment of the invention provides, packet
It includes:
Judgment module, is configured to judge whether storage equipment that the virtual machine to be accessed with the virtual machine is in same
Platform physical machine；And
Carry module is configured to when the result that the judgment module returns, which is, is, so that the direct carry of the virtual machine
The storage equipment.
Wherein, further comprise:
Module is obtained, for obtaining the globally unique title for the storage equipment that the virtual machine to be accessed；Wherein
The judgment module is further configured to: being looked for whether in the file system of the physical machine locating for the virtual machine
There is the title of storage equipment to contain the globally unique title of the storage equipment to be accessed.
Wherein, the acquisition module is further configured to:
The overall situation of the storage equipment is obtained only according to the Object linking that the virtual machine is used to connect the storage equipment
One title.
Wherein, the carry module is further configured to:
When the result that the judgment module returns, which is, is, the virtual machine is used to connect the target of the storage equipment
The file system that link is associated with physical machine locating for the virtual machine corresponds to the virtual memory facilities of the storage equipment creation.
Wherein, the carry module is further configured to:
When the result that the judgment module returns is no, then the virtual machine is made to be connected to institute by iSCSI protocol
State storage equipment.
Wherein, so that the virtual machine is connected to the storage equipment by iSCSI protocol includes:
The Object linking that the virtual machine is used to connect the storage equipment is associated with iSCSI and corresponds to the storage equipment
The virtual memory facilities of creation.
The method and dress of a kind of virtual machine access storage equipment in cloud computing management platform provided in an embodiment of the present invention
It sets, virtual machine will first judge whether to be in same physical machine with the storage equipment when connecting with storage equipment, if be in
Same physical machine then directly hangs over the storage equipment.It is thus achieved that virtual machine and storage equipment in same physical machine
It is directly connected to, and requires no the network communication based on iSCSI protocol, to greatly improve the reading and writing data speed of virtual machine
Degree.
Detailed description of the invention
Fig. 1 show a kind of conventional architecture of the calculate node connection storage equipment of prior art offer.
Another framework for the calculate node connection storage equipment that the prior art shown in Fig. 2 provides.
Fig. 3 show a kind of virtual machine access storage equipment in cloud computing management platform of one embodiment of the invention offer
Method flow diagram.
Fig. 4 show a kind of virtual machine access storage equipment in cloud computing management platform of one embodiment of the invention offer
Method schematic illustration.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Fig. 3 show a kind of virtual machine access storage equipment in cloud computing management platform of one embodiment of the invention offer
Method flow diagram.As shown in figure 3, this method comprises:
Step 301: judging whether storage equipment that virtual machine to be accessed with virtual machine is in same physical machine.
In an embodiment of the present invention, can according to storage equipment the cloud computing management platform in globally unique title come
Judge to store whether equipment with virtual machine is in same physical machine together.Specifically, first to obtain that virtual machine to be accessed deposits
Then the globally unique title for storing up equipment looks for whether storage equipment in the file system of the physical machine locating for virtual machine
Title contains the globally unique title for the storage equipment to be accessed.If in the registered storing device information of this document system
In have found the globally unique title, then illustrate the storage equipment be virtual machine locating for physical machine file system in it is registered
Equipment, i.e. the storage equipment and virtual machine be in same physical machine together.
Step 302: if it is, the direct carry of virtual machine stores equipment.It exists together when being judged as virtual machine with equipment is stored
When same physical machine, then virtual machine direct carry storage equipment, it is thus achieved that being in the virtual machine of same physical machine
It is directly connected between storage equipment, and requires no the network communication based on iSCSI protocol, to greatly improve virtual
The reading and writing data speed of machine.If it is determined that virtual machine then leads to when virtual machine and storage equipment are not in same physical machine
It crosses iSCSI protocol and is connected to storage equipment.
In an embodiment of the present invention, in the physical machine locating for virtual machine, there are two virtual for corresponding each storage equipment
Equipment is stored, which is created by the file system of iSCSI and the physical machine respectively.At this point, by virtual machine
Being mounted to a storage equipment is that virtual machine is used to connect the Object linking of the storage equipment to be associated with and the storage equipment in fact
One in corresponding two virtual memory facilities.
When being judged as that virtual machine and the storage equipment to be accessed are in same physical machine, virtual machine needs are directly connected to
To the file system of physical machine locating for virtual machine, as shown in figure 4, it is registered simultaneously further by this document system to find this
Equipment is stored, and carries out reading and writing data for the storage equipment.The virtual machine, which is mounted to the process of storage equipment, at this time is in fact
The Object linking that the virtual machine is used to connect the storage equipment is associated with file system and corresponds to the virtual of storage equipment creation
Store equipment.Specifically, file system pair can be found first according to the globally unique title of the virtual machine storage equipment to be accessed
The virtual memory facilities of equipment creation should be stored；Then the Object linking that virtual machine is used to connect the storage equipment is changed to
The file system corresponds to the address of the virtual memory facilities of the storage equipment creation.In one embodiment, more specifically real
Existing mode can are as follows: in the NameSpace (namespace) of virtual machine, the Object linking for being used to connect the storage equipment is joined
Number replaces with the address that the file system corresponds to the virtual memory facilities of the storage equipment creation.Such as it is operated in linux
In system, so that it may which, by calling libvirt to complete the setting of the above-mentioned NameSpace to virtual machine, the process of setting will follow
Libvirt parameter rule.The direct carry between virtual machine and the storage equipment can be realized in this way, required no and be based on
The network communication of iSCSI protocol, to greatly improve the reading and writing data speed of virtual machine.
When being judged as that virtual machine and the storage equipment to be accessed are not at same physical machine, virtual machine needs pass through
ISCSI protocol is connected to storage equipment, then needs to be used to connect by the virtual machine Object linking association of the storage equipment at this time
The virtual memory facilities of storage equipment creation are corresponded to iSCSI.
In an embodiment of the present invention, virtual machine can be defaulted is connected with the virtual memory facilities of iSCSI creation, and works as and sentence
It is disconnected go out virtual machine when being in same physical machine together with this to be connect storage equipment, then it is virtual machine and the storage equipment is direct
Carry.However, default carry mode and without limitation of the present invention to virtual machine and storage equipment.
In an embodiment of the present invention, a virtual machine instance001 is located at a calculating section in cloud computing management platform
In the physical machine of point, virtual machine instance001 needs access volume to be named as the storage equipment of volume-123456, and
The volume name that the cloud computing manages each storage equipment in platform is unique.At this time to the volume is named as volume-
123456 storage equipment is mounted on virtual machine instance001, the calculate node where virtual machine instance001
In need to be implemented following steps:
1) from the iSCSI found in the database of the calculate node in virtual machine instance001 default carry information
Parameter is linked, the volume that the storage equipment to be accessed is obtained from iSCSI link parameter names volume-123456.
2) according to the acquisition volume name volume-123456 the calculate node local (SuSE) Linux OS /dev
Corresponding storage equipment is searched under catalogue, under/dev catalogue the name of the storage equipment may for volume-123456 or
123456。
If 3) have found the storage equipment for being named as volume-123456 or 123456 under/dev catalogue, illustrate
Volume is named as the storage equipment of volume-123456 and virtual machine instance001 must be in same physical machine, such as
This then modifies the disk_info parameter for passing to libvirt, by the original default connection iSCSI- of virtual machine instance001
The chained address of target is substituted for the virtual memory that local file system corresponds to storage equipment volume-123456 creation
The address of equipment (format is for example,/dev/xxx/ file label).Virtual machine instance001 is just realized in this way to be set with being locally stored
The direct interconnection of standby volume-123456.
If not finding the storage equipment for being named as volume-123456 or 123456 under/dev catalogue, illustrate
Volume is named as the storage equipment of volume-123456 and virtual machine instance001 is not in same physical machine,
Chained address that is such then retaining the original iSCSI-target of virtual machine instance001, makes no modifications.In this way should
Virtual machine instance001 will be connected to storage equipment volume-123456 by iSCSI protocol in the way of default.
In an embodiment of the present invention, the method for virtual machine access storage equipment should be applied in cloud computing management platform
A kind of cloud computing management platform using Openstack framework.The memory management module of the Openstack framework is Cinder.
Due to can all be ordered by the storage equipment that memory management module Cinder is articulated to calculate node in Openstack framework
The unique long character code of entitled one full platform；The iSCSI mesh for the storage equipment that calculate node is wanted access in name virtual machine
When mark connection, the full platform uniquely long character code can be also enclosed；And in each physical machine terminal, by iSCSI protocol to this
The full platform uniquely long character code can be also enclosed when the title of the file system registration storage equipment of physical machine local.Therefore,
Uniquely long character code can be used to judge whether virtual machine sets with the storage to be accessed as globally unique title the full platform
It is standby to be located at same physical machine.
Specifically, the complete of the storage equipment first can be obtained according to the Object linking that virtual machine is used to connect the storage equipment
Office's unique name (full platform uniquely long character code), then searching again into the file system of the virtual machine local physical machine should
Globally unique title.If having searched the globally unique title in the registered facility information of this document system, illustrate
The storage equipment is registered equipment in the file system of physical machine locating for virtual machine, i.e. the storage equipment and the virtual machine
It is in same physical machine together, then executes the carry process of virtual machine Yu the local memory device again.
It should be appreciated that virtual machine provided by the embodiment of the present invention access storage equipment method could be applicable in addition to
Other cloud computings outside Openstack manage platform, such as CloudStack, VMware vCloud, Microsoft Azure
Pack, OpenNebula or Eucalyptus etc., which is not limited by the present invention.
It should be appreciated that above-described storage equipment can be physical disk, yet to be the storage medium of other forms,
Specific implementation form and without limitation of the present invention to storage equipment.
One embodiment of the invention provides a kind of device of virtual machine access storage equipment in cloud computing management platform, packet
It includes:
Judgment module, is configured to judge whether storage equipment that virtual machine to be accessed with virtual machine is in same physics
Machine；And
Carry module is configured to when the result that judgment module returns, which is, is, so that the direct carry of virtual machine stores equipment.
In an embodiment of the present invention, can using storage equipment the cloud computing management platform in globally unique title come
Judge whether be located at same physical machine, the device further comprises at this time if storing equipment and virtual machine:
Module is obtained, for obtaining the globally unique title for the storage equipment that virtual machine to be accessed；Wherein
Judgment module is further configured to: having looked for whether that storage is set in the file system of the physical machine locating for virtual machine
Standby title contains the globally unique title of the storage equipment to be accessed.
In an embodiment of the present invention, module is obtained to be further configured to:
The globally unique title of storage equipment is obtained according to the Object linking that virtual machine is used to connect storage equipment.
In an embodiment of the present invention, carry module is further configured to:
When the result that judgment module returns, which is, is, the Object linking that virtual machine is used to connect storage equipment is associated with void
The virtual memory facilities of the corresponding storage equipment creation of the file system of physical machine locating for quasi- machine.
In an embodiment of the present invention, carry module is further configured to: when the result that judgment module returns is no, then
So that virtual machine is connected to storage equipment by iSCSI protocol.Specifically, virtual machine can be used to connect the mesh of storage equipment
Mark link is associated with the virtual memory facilities of the corresponding storage equipment creation of iSCSI.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, made any modification, equivalent replacement etc. be should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of method of the virtual machine access storage equipment in cloud computing management platform, wherein the cloud computing manages platform
Including calculate node and memory node, the calculate node includes virtual machine, and the memory node includes storage equipment, wherein
The virtual machine is connect with the storage equipment, which is characterized in that the described method includes:
Judge whether storage equipment that the virtual machine to be accessed with the virtual machine is in same physical machine；And
If it is, storing equipment described in the direct carry of virtual machine.
2. the method according to claim 1, wherein further comprising:
Obtain the globally unique title for the storage equipment that the virtual machine to be accessed；Wherein
Judge whether storage equipment that the virtual machine to be accessed is in same physical machine with the virtual machine and includes:
Look for whether that the title of storage equipment contains described want in the file system of the physical machine locating for the virtual machine
The globally unique title of the storage equipment of access.
3. according to the method described in claim 2, it is characterized in that, obtaining the overall situation for the storage equipment that the virtual machine to be accessed
Unique name includes:
The globally unique name of the storage equipment is obtained according to the Object linking that the virtual machine is used to connect the storage equipment
Claim.
4. according to the method described in claim 3, it is characterized in that, storage equipment described in the direct carry of the virtual machine includes:
The Object linking that the virtual machine is used to connect the storage equipment is associated with physical machine locating for the virtual machine
File system corresponds to the virtual memory facilities of the storage equipment creation.
5. according to the method described in claim 4, it is characterized in that, the virtual machine to be used to connect the mesh of the storage equipment
The virtual memory that the file system that mark link is associated with physical machine locating for the virtual machine corresponds to the storage equipment creation is set
It is standby to include:
According to the globally unique title of the virtual machine storage equipment to be accessed, finds the file system and correspond to the storage
The virtual memory facilities of equipment creation；
The Object linking that the virtual machine is used to connect the storage equipment is changed to the file system and corresponds to the storage
The address of the virtual memory facilities of equipment creation.
6. according to the method described in claim 5, it is characterized in that, the virtual machine to be used to connect the mesh of the storage equipment
The address that mark link is changed to the virtual memory facilities that the file system corresponds to the storage equipment creation includes:
In the NameSpace of the virtual machine, the Object linking parameter for being used to connect the storage equipment is replaced with into the text
Part system corresponds to the address of the virtual memory facilities of the storage equipment creation.
7. the method according to claim 1, wherein further comprising:
If it is not, then the virtual machine is connected to the storage equipment by iSCSI protocol.
8. the method according to the description of claim 7 is characterized in that the virtual machine is connected to described deposit by iSCSI protocol
Storing up equipment includes:
The Object linking that the virtual machine is used to connect the storage equipment is associated with iSCSI and corresponds to the storage equipment creation
Virtual memory facilities.
9. the method according to claim 1, wherein the cloud computing management platform be OpenStack,
CloudStack, VMware vCloud, Microsoft AzurePack, OpenNebula or Eucalyptus.
10. a kind of device of the virtual machine access storage equipment in cloud computing management platform characterized by comprising
Judgment module, is configured to judge whether storage equipment that the virtual machine to be accessed with the virtual machine is in same object
Reason machine；And
Carry module is configured to when the result that the judgment module returns, which is, is, so that described in the direct carry of the virtual machine
Store equipment.
11. device according to claim 10, which is characterized in that further comprise:
Module is obtained, for obtaining the globally unique title for the storage equipment that the virtual machine to be accessed；Wherein
The judgment module is further configured to: having looked for whether to deposit in the file system of the physical machine locating for the virtual machine
The title of storage equipment contains the globally unique title of the storage equipment to be accessed.
12. device according to claim 11, which is characterized in that the acquisition module is further configured to:
The globally unique name of the storage equipment is obtained according to the Object linking that the virtual machine is used to connect the storage equipment
Claim.
13. device according to claim 10, which is characterized in that the carry module is further configured to:
When the result that the judgment module returns, which is, is, the virtual machine is used to connect the Object linking of the storage equipment
The file system for being associated with physical machine locating for the virtual machine corresponds to the virtual memory facilities of the storage equipment creation.
14. device according to claim 13, which is characterized in that the carry module is further configured to:
When the result that the judgment module returns is no, then the virtual machine is made to be connected to described deposit by iSCSI protocol
Store up equipment.
15. device according to claim 14, which is characterized in that so that the virtual machine is connected to by iSCSI protocol
The storage equipment includes:
The Object linking that the virtual machine is used to connect the storage equipment is associated with iSCSI and corresponds to the storage equipment creation
Virtual memory facilities.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120933.3A CN105808165B (en) | 2016-03-03 | 2016-03-03 | Method and device for accessing storage device by virtual machine in cloud computing management platform |
| PCT/CN2017/075301 WO2017148382A1 (en) | 2016-03-03 | 2017-03-01 | Method and apparatus for accessing storage device by virtual machine in cloud computing management platform |
| US16/121,080 US10782989B2 (en) | 2016-02-03 | 2018-09-04 | Method and device for virtual machine to access storage device in cloud computing management platform |
| US16/378,076 US20190235777A1 (en) | 2011-10-11 | 2019-04-08 | Redundant storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120933.3A CN105808165B (en) | 2016-03-03 | 2016-03-03 | Method and device for accessing storage device by virtual machine in cloud computing management platform |
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| CN105808165A CN105808165A (en) | 2016-07-27 |
| CN105808165B true CN105808165B (en) | 2019-03-15 |
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| CN201610120933.3A Active CN105808165B (en) | 2011-10-11 | 2016-03-03 | Method and device for accessing storage device by virtual machine in cloud computing management platform |
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| WO (1) | WO2017148382A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808165B (en) * | 2016-03-03 | 2019-03-15 | 天津书生云科技有限公司 | Method and device for accessing storage device by virtual machine in cloud computing management platform |
| CN106506636A (en) * | 2016-11-04 | 2017-03-15 | 武汉噢易云计算股份有限公司 | A kind of cloud platform cluster method and system based on OpenStack |
| CN106648838B (en) * | 2016-12-31 | 2021-01-01 | 云宏信息科技股份有限公司 | Resource pool management configuration method and device |
| CN111399973B (en) * | 2019-01-03 | 2023-07-28 | 阿里巴巴集团控股有限公司 | FPGA remote mounting structure, network management and control method and device and electronic equipment |
| 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 |
| CN113806086B (en) * | 2021-09-10 | 2024-08-16 | 济南浪潮数据技术有限公司 | Openstack-based iSCSI multipath balanced docking storage method, device and medium |
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| CN102307206A (en) * | 2010-09-25 | 2012-01-04 | 广东电子工业研究院有限公司 | Caching system and caching method for rapidly accessing virtual machine images based on cloud storage |
| US20140297782A1 (en) * | 2009-02-04 | 2014-10-02 | Citrix Systems, Inc. | Methods and systems for dynamically switching between communications protocols |
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| CN105808165B (en) * | 2016-03-03 | 2019-03-15 | 天津书生云科技有限公司 | Method and device for accessing storage device by virtual machine in cloud computing management platform |
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| US20140297782A1 (en) * | 2009-02-04 | 2014-10-02 | Citrix Systems, Inc. | Methods and systems for dynamically switching between communications protocols |
| CN102307206A (en) * | 2010-09-25 | 2012-01-04 | 广东电子工业研究院有限公司 | Caching system and caching method for rapidly accessing virtual machine images based on cloud storage |
Non-Patent Citations (1)
| Title |
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| 主机与虚拟文件共享：[2]挂载物理硬盘分区;qfzpy570;《https://jingyan.baidu.com/article/7c6fb428676d3d80642c900f.html》;20140713;第1-5页 * |
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| CN105808165A (en) | 2016-07-27 |
| WO2017148382A1 (en) | 2017-09-08 |
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