WO2016023390A1 - Procédé et dispositif de déploiement de ressource de stockage de machine virtuelle - Google Patents

Procédé et dispositif de déploiement de ressource de stockage de machine virtuelle Download PDF

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Publication number
WO2016023390A1
WO2016023390A1 PCT/CN2015/078524 CN2015078524W WO2016023390A1 WO 2016023390 A1 WO2016023390 A1 WO 2016023390A1 CN 2015078524 W CN2015078524 W CN 2015078524W WO 2016023390 A1 WO2016023390 A1 WO 2016023390A1
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virtual machine
storage
description file
logical unit
storage resource
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PCT/CN2015/078524
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English (en)
Chinese (zh)
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阳代平
赖宝华
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华为技术有限公司
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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

Definitions

  • the present invention relates to the field of cloud computing technologies, and in particular, to a virtual machine storage resource deployment method and apparatus.
  • Cloud computing is a pay-as-you-go model that provides available, convenient, on-demand network access to a configurable pool of computing resources, including networks, servers, storage, and application software.
  • virtual machines share physical storage space of the IaaS layer, such as Solid State Drive (SSD) and Hard Disk Drive (HDD).
  • SSD Solid State Drive
  • HDD Hard Disk Drive
  • the cloud management system determines a corresponding data storage cluster according to the storage capacity requirement of the virtual machine.
  • the data storage cluster includes multiple logical units, and each logical unit has a logical unit number (Logic Unit Number, The LUN is identified, and then the logical unit number corresponding to the virtual machine is randomly assigned by the data storage cluster.
  • the virtual machine deployment method in the prior art is randomly allocated according to the capacity, which may cause the system disk and the data disk of the virtual machine to correspond to the same logical unit number, or the virtual machine corresponding to the active and standby virtual machines corresponds to the same logic in the data storage cluster.
  • the unit number reduces the reliability of the storage, so the prior art letter is to be improved.
  • the embodiment of the invention provides a virtual machine deployment method and related device for improving storage reliability.
  • an embodiment of the present invention provides a virtual machine deployment method, including: acquiring a virtual machine storage resource description file;
  • the IaaS layer management interface is invoked according to the storage performance requirement to set a logical unit number corresponding to the virtual machine.
  • the obtaining a storage performance requirement of the virtual machine specifically includes:
  • the calling the IaaS layer management interface according to the storage performance requirement to set the logical unit number corresponding to the virtual machine includes:
  • the first virtual machine and the second virtual machine respectively correspond to different logical unit numbers by calling the IaaS layer management interface according to the storage anti-affinity policy.
  • the parsing the storage resource description file to obtain the storage performance requirement of the virtual machine specifically includes:
  • the calling the IaaS layer management interface according to the storage performance requirement to set the logical unit number corresponding to the virtual machine includes:
  • the method further includes: receiving a virtual machine storage hot migration request;
  • the storage resource description file is a virtual network function descriptor.
  • the method further includes: before acquiring the virtual machine storage resource description file:
  • the storage devices are classified into different RAID groups according to the level of I/O performance.
  • Each of the RAID groups is divided into a plurality of logical units, each of which is identified by a logical unit number.
  • an embodiment of the present invention provides a virtual machine storage resource deployment apparatus, including:
  • a file obtaining unit configured to acquire a virtual machine storage resource description file
  • a parsing unit configured to parse the storage resource description file to obtain a storage performance requirement of the virtual machine
  • the calling unit is configured to invoke the IaaS layer management interface to set a logical unit number corresponding to the virtual machine according to the storage performance requirement.
  • the apparatus further includes:
  • a receiving unit configured to receive a virtual machine storage hot migration request
  • a policy obtaining unit configured to acquire current deployment information of the virtual machine and store a reverse affinity policy
  • a policy execution unit configured to set a logical unit number corresponding to the virtual machine according to the reverse affinity policy and the current deployment information.
  • the parsing unit parsing the storage resource description file to obtain the storage performance requirement of the virtual machine specifically includes:
  • the parsing unit parses the storage resource description file to obtain a storage I/O performance requirement of the virtual machine
  • the calling unit calls the IaaS layer management interface to set the logical unit number corresponding to the virtual machine according to the storage performance requirement, including:
  • the calling unit sets an IaaS layer management interface to set a logical unit number corresponding to the virtual machine according to the storage I/O performance requirement, and an I/O performance of the logical unit corresponding to the logical unit number is higher than the storage I/ O performance requirements.
  • the virtual machine storage resource description file is first obtained, the storage resource description file is parsed to obtain the storage performance requirement of the virtual machine, and then the IaaS layer management interface is invoked according to the storage performance requirement.
  • the logical unit number corresponding to the virtual machine is directly set according to the storage performance requirement, and the person skilled in the art further determines the corresponding data storage cluster according to the storage capacity requirement of the virtual machine.
  • FIG. 1 is a structural diagram of a storage resource in a cloud computing environment in a virtual machine storage resource deployment method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a virtual machine storage resource deployment method according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a virtual machine storage resource deployment method according to Embodiment 2 of the present invention.
  • FIG. 4 is a flowchart of a virtual machine storage resource deployment method according to Embodiment 3 of the present invention.
  • FIG. 5 is a schematic structural diagram of a virtual machine storage resource deployment apparatus according to Embodiment 4 of the present invention.
  • FIG. 6 is a schematic structural diagram of a virtual machine storage resource deployment apparatus according to Embodiment 5 of the present invention.
  • the present invention provides a virtual machine storage resource deployment method and apparatus.
  • the virtual machine deployment needs to use the storage resources of the IaaS layer in the cloud computing.
  • the architecture of the storage resource in the cloud computing environment is shown in Figure 1.
  • the storage medium can be a physical solid state hard disk or a hard disk drive.
  • the cloud management system storage medium on the IaaS layer divides multiple logical units, and the logical unit passes through the logical unit. No. LUN to identify.
  • the logical unit is assigned to the data storage cluster.
  • the data storage cluster 1 includes LUN0 and LUN1
  • the data storage cluster 2 includes LUN2, LUN3, and LUN4.
  • a virtual machine storage resource deployment method provided by Embodiment 1 of the present invention includes:
  • Step 110 Obtain a virtual machine storage resource description file.
  • the storage resource description file carries the storage performance requirements of the virtual machine to be deployed. Save The storage resource description file may specifically be a Virtualized Network Function Descriptor (VNFD) or an Open Virtualized Format (OVF) description file.
  • VNFD Virtualized Network Function Descriptor
  • OVF Open Virtualized Format
  • the storage resource can be located in the Infrastructure as a Service (IaaS) layer in the cloud computing system.
  • Step 120 Parse the storage resource description file to obtain a storage performance requirement of the virtual machine.
  • the storage performance requirement may include a storage I/O performance requirement, a virtual machine system disk, a storage anti-affinity policy between the logical disks, and a storage reverse affinity policy of the first virtual machine and the second virtual machine (required
  • the storage resources of one virtual machine and the second virtual machine correspond to different logical unit numbers) and the like.
  • Step 130 Call the IaaS layer management interface to set a logical unit number corresponding to the virtual machine according to the storage performance requirement.
  • the embodiment of the present invention calls the IaaS layer management interface in the cloud computing system to set a logical unit number corresponding to the virtual machine according to the storage performance requirement, and the logical unit represented by the logical unit number is located in the data storage cluster.
  • the virtual machine storage resource description file is first obtained, the storage resource description file is parsed to obtain the storage performance requirement of the virtual machine, and then the IaaS layer management interface is invoked according to the storage performance requirement.
  • the IaaS layer management interface is invoked according to the storage performance requirement.
  • the logical unit number corresponding to the virtual machine is directly set according to the storage performance requirement, and the person skilled in the art further determines the corresponding data storage cluster according to the storage capacity requirement of the virtual machine.
  • the virtual machine storage resource description file can be flexibly configured to avoid the same logical unit number in the data storage cluster of the active and standby virtual machines, the data disk of the same virtual machine, and the system disk. This improves the reliability of the virtual machine storage resources and provides more efficient configuration. high.
  • the storage resource description file carries a storage anti-affinity policy of the primary virtual machine or the standby virtual machine or multiple logical disks of the virtual machine (for example, a system disk and a data disk)
  • the storage anti-affinity policy in the above step 130, the IaaS layer management interface is called according to the storage performance requirement, and the logical unit number corresponding to the virtual machine may be set as follows: the IaaS layer management interface is set according to the storage anti-affinity policy to set the primary virtual The machine and the standby virtual machine respectively correspond to different logical unit numbers in the data storage cluster or multiple logical disks in which the virtual machine is set respectively correspond to different logical unit numbers in the data storage cluster.
  • the embodiments of the present invention can improve the reliability and stability of data storage by deploying multiple logical disks of the active and standby virtual machines and virtual machines on different logical unit numbers.
  • FIG. 3 is a flowchart of a method for deploying a virtual machine storage resource according to Embodiment 2 of the present invention.
  • Step 210 Divide the storage device into different RAID groups according to the level of I/O performance.
  • the storage device has different I/O performance due to the storage medium and interface type it employs.
  • the IaaS layer cloud management system in the cloud computing environment divides the storage devices of the IaaS layer into different RAID groups according to the level of I/O performance.
  • Step 220 Divide each of the RAID groups into multiple logical units, and each logical unit is identified by a logical unit number.
  • the IaaS layer cloud management system in the cloud computing environment can divide the RAID group into multiple logical units, and then put the logical unit into the data storage cluster. Multiple logical units are included in the same data storage cluster. The logical units in the RAID group can be placed in different data storage clusters or in the same data storage cluster.
  • Step 230 Receive a virtual machine storage resource description file sent by the Saas layer application.
  • the step 110 of obtaining the virtual machine storage resource description file in the first embodiment includes: receiving the virtual machine storage resource description file sent by the Saas layer application. Because the application has requirements for I/O performance, the virtual machine storage resource description file carries the storage I/O performance requirements of the virtual machine.
  • the generating virtual machine storage resource description file may be automatically generated by the software-as-a-service SaaS layer application according to the storage resource requirement of the application, where the description file includes the storage space requirement of the application and the storage performance requirement (such as storage I/O performance requirement, storage). Anti-affinity strategy) and so on.
  • the virtual machine storage resource description file can also come from an open virtual format description file.
  • Step 240 Parse the storage resource description file to obtain a storage performance requirement of the virtual machine.
  • the storage resource description file is parsed to obtain a storage I/O performance requirement of the virtual machine.
  • the method for parsing the storage resource description file may also obtain the storage space requirement of the virtual machine, and allocate the storage space that meets the requirement for the virtual machine.
  • Step 250 Call an IaaS layer management interface to set a logical unit number corresponding to the virtual machine according to the storage I/O performance requirement, and an I/O performance of the logical unit corresponding to the logical unit number is higher than the storage I/O performance.
  • the IaaS layer management interface is invoked to set a logical unit number corresponding to the virtual machine according to the storage I/O performance requirement of the virtual machine, and the storage I/O performance of the logical unit corresponding to the logical unit number is higher than the foregoing.
  • Storage I/O performance requirements this logical unit is located in the data storage cluster.
  • the different logical units in the data storage cluster correspond to different storage I/O performances.
  • the virtual machine by configuring a virtual unit with a storage I/O performance higher than a requirement, the virtual machine can meet the requirement of high I/O performance, and the present invention is implemented.
  • the storage resources that meet the requirements can be configured according to the different storage I/O performance requirements of the virtual machine, and the utilization efficiency of the storage resources is improved.
  • the application of the Saas layer needs to establish two virtual machines VM1 and VM2.
  • the logical volumes of VM1 and VM2 need to be placed on different LUNs.
  • VM1 and VM2 belong to a storage I/O type virtual machine, and the number of input/output operations per second (Input/Output Operations Per Second, IOPS) is as high as 500 IOPS.
  • a virtual machine storage resource deployment method provided by Embodiment 3 of the present invention includes the following steps:
  • Step 310 The IaaS layer cloud management system divides the storage devices into different RAID groups according to the level of I/O performance.
  • the SSD, the SAS, and the SATA are divided into three disk arrays (Redundant Arrays of Independent Disks, RAID) according to the storage medium type, interface type, and I/O performance of the storage device.
  • the storage I/O performance of the three RAID groups is reduced in turn.
  • the SSD RAID group meets the high I/O performance requirements.
  • the SAS meets the common I/O performance requirements and the SATA performance is low. It is mainly used for system backup.
  • Step 320 The IaaS layer cloud management system divides each RAID into multiple logical units, and places the logical units into the data storage cluster.
  • LUNs with different I/O performance in the data storage cluster or data storage clusters with different I/O performance can meet the I/O performance requirements of different virtual machines.
  • the logical units in the RAID group can be placed in different data storage clusters or in the same data storage cluster.
  • LUN0, LUN1, and LUN2 correspond to SSD storage
  • LUN3 and LUN4 correspond to SAS storage
  • LUN5, and LUN6 correspond to SATA storage
  • LUN0, LUN1, and LUN2 are placed in the same data storage cluster
  • LUN3-LUN6 is placed in another data storage cluster.
  • Steps 310 and 320 are all implemented by an IaaS layer cloud management system.
  • the IaaS layer cloud management system is specifically VMware vCloud director.
  • Step 330 The VNF management system receives a virtual machine storage resource description file sent by the Saas layer application.
  • the virtual machine storage resource description file is specifically VNFD, and the application manufacturer describes the virtual machine storage requirement according to the application requirement, and uploads to the VNF management system through the WEB client network.
  • the VNF management system can be located in the PaaS layer of the cloud computing system.
  • Step 340 The VNF management system parses the VNFD to obtain a storage performance requirement of the virtual machine, and sends the storage performance requirement to the IaaS layer cloud management system.
  • the VNFD describes that the virtual machine VM1 and the virtual machine VM2 store have anti-affinity and are required to be placed on different LUNs.
  • I/O performance requirements are 500I/OPS.
  • Step 350 The IaaS layer cloud management system creates virtual machines VM1 and VM2.
  • the IaaS layer cloud management system allocates server resources and storage resources according to resource requirements (including computing resource requirements, network resource requirements, storage requirements, and the like) of the virtual machines VM1 and VM2.
  • the process of allocating storage resources by the IaaS layer cloud management system includes the steps of creating a storage mapping relationship, and the action of applying for the physical resources is implemented by step 360.
  • Step 360 The VNF management system invokes the IaaS layer management interface to select two logical units that meet the I/O performance requirements according to the storage requirements of the virtual machines VM1 and VM2, and sets the virtual machines VM1 and VM2 to correspond to different logical unit numbers.
  • the VMs VM1 and VM2 have I/O performance requirements and require storage anti-affinity.
  • the VNF management system calls the IaaS layer management interface to select two logical unit numbers LUN0 and LUN1 that meet the I/O performance requirements, and the settings are set.
  • the virtual machine VM1 corresponds to LUN0
  • VM2 corresponds to LUN1.
  • the IaaS layer cloud management system will store the I/O performance requirements and storage anti-affinity policies of the virtual machines VM1 and VM2.
  • the virtual machine creation process can be To meet the storage I/O performance and storage anti-affinity policies of the active and standby virtual machines, improve the reliability of the active and standby virtual machines, and select appropriate storage deployment based on the I/O defined by the virtual machine to improve storage resources. usage efficiency.
  • the IaaS layer cloud management system finds that the storage capacity and storage I/O performance of the LUN0 cannot meet the requirements of the virtual machine VM1, and the VM1 needs to be migrated from the LUN0 to the other LUN.
  • the cloud management system automatically triggers or manually triggers a VM1 hot migration request.
  • Step 370 The IaaS layer cloud management system receives the VM1 hot migration request, and obtains current deployment information of the virtual machine VM1.
  • the hot migration request is used to indicate that VM1 needs to be hot migrated, including the source LUN of VM1, that is, LUN0.
  • the IaaS cloud management system obtains the current deployment information of the virtual machine VM1.
  • the deployment information includes the location of the logical disk of the VM1, the I/O performance requirement, and the location of the logical disk of the virtual machine VM2.
  • the logical disk of the backup virtual machine VM2 is located on the LUN1, and the LUN2-LUN6 is idle, and the I/O performance of the LUN0 corresponding to the VM1 is high.
  • Step 380 The IaaS cloud management system sets the migration logical unit number corresponding to VM1 according to the current deployment information of VM1 and the storage anti-affinity policy.
  • the IaaS cloud management system determines that VM1 cannot be migrated to the logical unit LUN1 of VM2 according to the current deployment information of VM1 obtained in step 380, the previously stored storage reverse affinity policy, and the storage I/O performance, and finally sets LUN2.
  • the migration logical unit number corresponding to VM1 completes the hot migration process of VM1.
  • the storage resource is selected according to the I/O performance requirements of the virtual machine.
  • the virtual machine is hot-migrated and combined with hot migration.
  • the storage performance of a virtual machine requires the selection of target storage resources that meet the requirements.
  • the embodiment of the present invention can better meet the storage performance requirements of the virtual machine and improve the utilization efficiency of the storage resource.
  • FIG. 5 is a schematic diagram of a virtual machine storage resource deployment apparatus according to Embodiment 4 of the present invention.
  • the virtual machine storage resource deployment apparatus provided by the embodiment of the present invention mainly includes:
  • a file obtaining unit 410 configured to acquire a virtual machine storage resource description file, where the storage resource description file may be a virtual network function descriptor;
  • the parsing unit 420 is configured to parse the storage resource description file to obtain a storage performance requirement of the virtual machine
  • the calling unit 430 is configured to invoke the IaaS layer management interface to set a logical unit number corresponding to the virtual machine according to the storage performance requirement.
  • the virtual machine storage resource deployment apparatus provided in the fourth embodiment of the present invention can be used in the foregoing corresponding deployment method, the first embodiment, the second embodiment, and the third embodiment.
  • the usage process and the beneficial effects are the same as those in the foregoing embodiment. For example, it will not be described here.
  • the file storage unit 410 first obtains the virtual machine storage resource description file, and the parsing unit 420 parses the storage resource description file to obtain the storage performance requirement of the virtual machine, and then The calling unit 430 calls the IaaS layer management interface to set the logical unit number corresponding to the virtual machine according to the storage performance requirement, thereby satisfying the storage performance requirement of the virtual machine.
  • the logical unit number corresponding to the virtual machine is directly set according to the storage performance requirement, and the person skilled in the art further determines the corresponding data storage cluster according to the storage capacity requirement of the virtual machine.
  • the virtual machine storage resource description file can be flexibly configured to avoid the same logical unit number in the data storage cluster of the active and standby virtual machines, the data disk of the same virtual machine, and the system disk. This improves the reliability of the virtual machine storage resources and provides more efficient configuration. high.
  • the virtual machine storage resource deployment apparatus provided by the embodiment of the present invention further includes:
  • the receiving unit 440 is configured to receive a virtual machine storage hot migration request.
  • the policy obtaining unit 450 is configured to acquire current deployment information of the virtual machine and store a reverse affinity policy
  • the policy execution unit 460 is configured to set a logical unit number corresponding to the virtual machine according to the reverse affinity policy and the current deployment information.
  • the array dividing unit 470 is configured to store the virtual machine storage resource description file before acquiring the virtual machine storage resource description file.
  • the devices are classified into different RAID groups according to the level of I/O performance.
  • the unit number assigning unit 480 is configured to divide each of the RAID groups into a plurality of logical units, and each logical unit is identified by a logical unit number.
  • the virtual machine storage resource deployment device provided by the embodiment of the present invention may also be used in the application scenario of the virtual machine hot migration.
  • the parsing unit 420 parses the storage resource description file to obtain the storage performance requirement of the virtual machine, and specifically includes:
  • the parsing unit 420 parses the storage resource description file to obtain a storage I/O performance requirement of the virtual machine
  • the invoking unit 430 calls the IaaS layer management interface to set the logical unit number corresponding to the virtual machine according to the storage performance requirement, including:
  • the calling unit 430 calls the IaaS layer management interface to set a logical unit number corresponding to the virtual machine according to the storage I/O performance requirement, and the logical unit corresponding to the logical unit number has higher I/O performance than the storage I. /O performance requirements.
  • the parsing unit 420 parses the storage resource description file to obtain the storage performance requirement of the virtual machine, and specifically includes:
  • the parsing unit 420 parses the storage resource description file to obtain a storage anti-affinity policy of the primary virtual machine and the standby virtual machine;
  • the invoking unit 430 calls the IaaS layer management interface to set the logical unit number corresponding to the virtual machine according to the storage performance requirement, including:
  • the calling unit 430 calls the IaaS layer management interface according to the storage anti-affinity policy to set the primary virtual machine and the standby virtual machine respectively corresponding to different logical unit numbers.
  • the parsing unit 420 parsing the storage resource description file to obtain the storage performance requirement of the virtual machine specifically includes:
  • the parsing unit 420 parses the storage resource description file to obtain a storage anti-affinity policy between the plurality of logical disks of the virtual machine;
  • the invoking unit 430 calls the IaaS layer management interface to set the logical unit number corresponding to the virtual machine according to the storage performance requirement, including:
  • the calling unit 430 calls the IaaS layer management interface to set the virtual state according to the storage anti-affinity policy.
  • the multiple logical disks of the virtual machine correspond to different logical unit numbers.
  • FIG. 6 is a schematic diagram of a virtual machine storage resource deployment apparatus according to Embodiment 5 of the present invention.
  • the virtual machine storage resource deployment apparatus provided by the embodiment of the present invention mainly includes:
  • processor 510 a processor 510, a memory 520 for storing computer execution instructions, and a processor 510 coupled to the memory 520 via the bus 530, the processor 610 when the device is running Executing the computer to execute an instruction to cause the apparatus to perform the following method:
  • the IaaS layer management interface is invoked according to the storage performance requirement to set a logical unit number corresponding to the virtual machine.
  • the process of executing the foregoing method in the virtual machine storage resource deployment apparatus provided by the fifth embodiment of the present invention is the same as the implementation process of the first embodiment, the second embodiment, and the third embodiment, and has the same beneficial effects.
  • the foregoing implementation For example, it will not be described here.
  • aspects of the present invention, or possible implementations of various aspects may be embodied as a system, method, or computer program product.
  • aspects of the invention, or possible implementations of various aspects may be in the form of an entirely hardware embodiment, an entirely software embodiment (including firmware, resident software, etc.), or a combination of software and hardware aspects, They are collectively referred to herein as "circuits," “modules,” or “systems.”
  • aspects of the invention, or possible implementations of various aspects may take the form of a computer program product, which is a computer readable program code stored in a computer readable medium.
  • the computer readable medium can be a computer readable signal medium or a computer readable storage medium.
  • the computer readable storage medium includes, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing, such as random access memory (RAM), read only memory (ROM), Erase programmable read-only memory (EPROM or flash memory), optical fiber, portable read-only memory (CD-ROM).
  • a processor in a computer reads a computer readable program stored in a computer readable medium
  • the code enables the processor to perform the functional actions specified in each step or combination of steps in the flowchart; generating means for implementing the functional actions specified in each block of the block diagram or in a combination of blocks.
  • the computer readable program code can execute entirely on the user's computer, partly on the user's computer, as a separate software package, partly on the user's computer and partly on the remote computer, or entirely on the remote computer or server.
  • the functions noted in the various steps in the flowcharts or in the blocks in the block diagrams may not occur in the order noted. For example, two steps, or two blocks, shown in succession may be executed substantially concurrently or the blocks may be executed in the reverse order.

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Abstract

L'invention concerne un procédé et un dispositif de déploiement de machine virtuelle. Le procédé consiste : tout d'abord, à acquérir un fichier de description de ressource de stockage de machine virtuelle, à analyser le fichier de description de ressource de stockage pour acquérir les exigences d'efficacité de stockage de la machine virtuelle, à appeler ensuite une interface de gestion de couche IaaS selon les exigences d'efficacité de stockage pour définir un numéro d'unité logique correspondant à la machine virtuelle, satisfaisant ainsi les exigences d'efficacité de stockage de la machine virtuelle. Par rapport à la détermination d'un groupe de stockage de données correspondant selon la capacité de stockage d'une machine virtuelle dans l'état antérieur de la technique, dans les modes de réalisation de la présente invention, lors du déploiement d'une ressource de stockage, un numéro d'unité logique correspondant à la machine virtuelle est défini directement selon des exigences d'efficacité de stockage et, de ce fait, une personne qualifiée peut configurer de manière souple un fichier de description de ressource de stockage de machine virtuelle pour éviter le cas dans lequel une machine virtuelle principale et une machine virtuelle de secours, un disque de données et un disque de système de la même machine virtuelle, correspondent au même numéro d'unité logique dans un groupe de stockage de données, améliorant ainsi la fiabilité de ressources de stockage de machine virtuelle et ayant une efficacité de configuration relativement élevée.
PCT/CN2015/078524 2014-08-12 2015-05-08 Procédé et dispositif de déploiement de ressource de stockage de machine virtuelle WO2016023390A1 (fr)

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