WO2015078154A1 - 虚拟机迁移方法及装置 - Google Patents

虚拟机迁移方法及装置 Download PDF

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Publication number
WO2015078154A1
WO2015078154A1 PCT/CN2014/078498 CN2014078498W WO2015078154A1 WO 2015078154 A1 WO2015078154 A1 WO 2015078154A1 CN 2014078498 W CN2014078498 W CN 2014078498W WO 2015078154 A1 WO2015078154 A1 WO 2015078154A1
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host
virtual machine
migration
hosts
define
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PCT/CN2014/078498
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English (en)
French (fr)
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王显雷
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华为技术有限公司
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533Hypervisors; Virtual machine monitors
    • G06F9/45558Hypervisor-specific management and integration aspects
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/455Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533Hypervisors; Virtual machine monitors
    • G06F9/45558Hypervisor-specific management and integration aspects
    • G06F2009/4557Distribution of virtual machine instances; Migration and load balancing

Definitions

  • the present invention relates to the field of computer technologies, and in particular, to a virtual machine migration method and apparatus. Background technique
  • Virtual migration is one of the key features of server hardware and software decoupling.
  • Distributed Resource Scheduler (DRS) is based on this feature, such as load balancing and hardware maintenance. Ultimate (Killer level) capabilities such as Energy-efficient Distributed Power Management (DPM) and High Availability (High Avai labi 1 ty, HA).
  • DPM Energy-efficient Distributed Power Management
  • High Availability High Avai labi 1 ty, HA
  • DRS uses the hosts in the cluster as the migration scope of vMo t i on.
  • the migration scope of all virtual machines is the same, that is, the entire cluster, users or administrators cannot personalize the migration scope setting for a virtual machine. Summary of the invention
  • the invention provides a virtual machine migration method and device, and provides a unified migration scope of a virtual machine.
  • the model can flexibly set different migration ranges for different virtual machines, simplifying and unifying the management of virtual machine migration.
  • a first aspect of the present invention provides a virtual machine migration method, where the method includes: defining a host that meets the same selection criteria as a host of the same host, forming a host collection pool, where the host collection pool includes at least one of the Host collection
  • the target host of the virtual machine migration is determined.
  • the host that meets the same selection criteria as the host information is defined as the same host set, and specifically includes one or any combination of the following:
  • the shared storage host as a shared storage host collection
  • a host that satisfies a certain legal requirement is defined as a legally qualified host set; a host set;
  • the administrator binds the host of the virtual machine according to the business requirement to the virtual machine binding host set;
  • the virtual machine migration range attribute in the configuration option or attribute of the virtual machine is determined from the host pool
  • the scope of migration of the virtual machine includes:
  • the related host set is operated, and the result of the operation is determined as the migration range of the virtual machine.
  • the determining, by the virtual machine, the target host that is to be migrated by the virtual machine includes:
  • the method further includes:
  • the present invention further provides a virtual machine migration apparatus, where the apparatus includes: a host management module, configured to define a host whose host information meets the same selection criteria as the same host set, to form a host collection pool, and the host At least one of the set of hosts is included in the collection pool;
  • a scope determining module configured to determine, according to a virtual machine migration scope attribute in a configuration option or an attribute of the virtual machine, a migration range of the virtual machine from the host collection pool formed by the host management module, where the virtual machine migration
  • the scope attribute is used to determine a migration scope of the virtual machine
  • a host determining module configured to determine a target host of the virtual machine migration within a migration scope of the virtual machine determined by the range determining module.
  • the host management module is specifically used in one or any combination of the following:
  • a host for supporting a trusted platform module is defined as a set of trusted hosts;
  • a host for satisfying a certain legal provision is defined as a legally defined host set;
  • a virtual machine migratable host that is customized by the administrator according to business requirements is defined as an administrator custom host collection
  • a host for binding an administrator to a virtual machine according to a business requirement is defined as a virtual machine binding host.
  • the host is configured to define a host CPU and a host capable of providing equivalent capabilities as a set of homogeneous hosts;
  • a host that belongs to the same data center is defined as a data center host set. It is used to define hosts in the same large Layer 2 domain as a large Layer 2 domain host set.
  • the range determining module is specifically configured to determine, according to the virtual machine migration range attribute, a related host set in the host collection pool; The related set of hosts performs an operation, and the result of the operation is determined as a migration range of the virtual machine.
  • the host determining module is specifically configured to determine whether a candidate target host selected by the distributed resource scheduler DRS is within a migration range of the virtual machine And if yes, determining the candidate target host as the target host of the virtual machine migration; otherwise, the DRS reselects the candidate target host to perform determination.
  • the host management module is further configured to perform a process of adding, modifying, and/or deleting the host set in the host collection pool.
  • the virtual machine migration method and device provided by the present invention provide a unified collection model of virtual machine migration scope, define different host sets from different dimensions, and obtain a virtual machine migration range by using a set operation, and use it as a virtual machine attribute. It can flexibly set different migration ranges for different virtual machines, simplify and unify the management of virtual machine migration, and can migrate VMs.
  • the customization of the template is simple and flexible, and has a wide application space in ensuring the security of the virtual machine, avoiding legal risks, realizing virtual machine host binding, and satisfying the individual needs of the customer.
  • FIG. 1 is a flowchart of a virtual machine migration method according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram of a window for specifying a migration scope attribute when creating a virtual machine according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of a virtual machine migration apparatus according to Embodiment 2 of the present invention.
  • FIG. 4 is a schematic structural diagram of a virtual machine migration apparatus according to Embodiment 3 of the present invention. detailed description
  • the virtual machine migration method and device provided by the embodiment of the present invention are applicable to a scenario in which a virtual machine is dynamically migrated by using a dispatcher such as a distributed resource scheduler DRS, and the virtual machine is migrated within a set virtual machine migration range.
  • a dispatcher such as a distributed resource scheduler DRS
  • FIG. 1 is a flowchart of a virtual machine migration method according to the embodiment. As shown in FIG. 1, the virtual machine migration method of the present invention includes:
  • the S10 DRS defines a host whose host information meets the same selection criteria as the same host set to form a host pool.
  • the host collection pool includes at least one of the host collections.
  • Different sets of hosts are defined by different selection criteria. Each selection criterion defines a set of hosts from a single dimension.
  • (a) Define the shared storage host as a shared storage host collection, which can have multiple shared storage host collections.
  • (b) Define a host that supports the Trusted Platform Module (TPM) as a set of trusted hosts.
  • TPM Trusted Platform Module
  • a host that satisfies a certain legal provision is defined as a legally restricted host set, and multiple legally qualified host sets can be defined.
  • (d) Define a virtual machine migratable host that the administrator customizes according to business requirements as an administrator custom host collection.
  • the administrator defines the host that can be migrated by the virtual machine of some departments (such as the finance department or the confidential department) as the administrator customized host collection, and can define multiple administrator custom host collections.
  • ( e ) Define the host that the administrator binds to the virtual machine according to the business requirement as the virtual machine binding host set.
  • the administrator may need to bind a virtual machine to a host according to the business requirements.
  • hosts in the same large Layer 2 domain as a large Layer 2 domain host set.
  • Each of the above host collections can be automatically generated according to the host information collected by the DRS, and the host collection members can be automatically adjusted. For example, trusted host collections, homogeneous host collections, and cluster host collections. It can also be customized manually by the user. For example, the law restricts host collections, administrators customize host collections, and virtual machine bundled host collections.
  • This step is mainly to maintain and manage the host collection pool according to certain selection criteria, including: adding a new host collection to the host collection pool, deleting a host collection from the host collection pool, and modifying the name of a host collection. Add or remove member hosts, and more. That is, after the forming the host collection pool, the method further includes: adding, modifying, and/or deleting the host collection in the host collection pool.
  • the DRS is based on a virtual machine migration range attribute in a virtual machine configuration option or attribute.
  • the migration scope of the virtual machine is determined in the host collection pool.
  • the method includes: determining, according to the virtual machine migration scope attribute, a related host set in the host collection pool; performing an operation on the related host set, and determining the result of the operation as a migration range of the virtual machine.
  • the virtual machine migration range attribute is used to determine a migration scope of the virtual machine, and includes an option parameter for determining a migration range of the virtual machine. Usually this option parameter is qualified when the virtual machine is created.
  • you create a virtual machine you select a host collection from the host collection pool and use the set operations to determine the scope of the virtual machine migration and generate the virtual machine migration scope properties (that is, one of the configuration options or properties of the virtual machine).
  • the virtual machine when the virtual machine is created, the virtual machine is a trusted virtual machine, and the option parameter for determining the migration scope of the virtual machine includes an option parameter of the trusted virtual machine, and correspondingly, the virtual machine generally only It can be migrated to a trusted host, so the scope of migration of the virtual machine is determined to be within the scope of the set of trusted hosts.
  • FIG. 2 is a schematic diagram of specifying a migration scope attribute window when creating a virtual machine according to the embodiment.
  • a window for specifying a migration scope attribute may be provided, where the window includes a "host collection list drop-down menu", an operation button, and The host set operation display box “and the virtual machine migration range display window”, click the "host collection list drop-down menu” to pull down all the host collections in the host collection pool, and the user can flexibly select the host collection and operation buttons.
  • the operation expression is displayed in the "Host Set Operation Display Box", and the operation result is displayed in the "Virtual Machine Migration Range Display Window”.
  • the option parameter for determining the migration scope of the virtual machine includes the option parameters of the trusted virtual machine and the shared storage at the time of creation or migration, from the host The shared storage host set and the trusted host set are selected in the collection pool, and an "intersection" operation is performed, and finally the migration scope host set Hv of the virtual machine V is obtained, that is, the virtual machine V The scope of the migration.
  • the DRS determines the target host of the virtual machine migration.
  • DRS selects the destination host to be migrated in the host collection of the virtual machine migration scope after determining the virtual machine to be migrated.
  • the method includes: determining whether the candidate target host selected by the DRS is within the migration range of the virtual machine, and if yes, determining the candidate target host as the target host of the virtual machine migration; otherwise, the DRS is reselected.
  • the candidate target host is determined to perform the determination.
  • the process of selecting the candidate target host by the DRS can be processed according to the existing virtual machine migration method.
  • the virtual machine when the virtual machine is dynamically migrated to the target host, it can be selected only in the host set within the scope of the virtual machine migration, simplifying and unifying the management of the virtual machine migration.
  • the virtual machine host binding class (aff ini ty) function and the virtual machine anti-affinity function can be implemented by defining a special virtual machine migration scope. Specifically, the virtual machine host binding aff ini ty function is implemented by including only the migration scope of the bound host.
  • the ant i-aff inty function of the virtual machine vl and v2 determines the migration range of the virtual machine v2 by vl virtual machine migration range complementation and force P other host set intersection.
  • the virtual machine migration method provided by the embodiment of the present invention provides a unified collection model of the virtual machine migration range, defines different host sets from different dimensions, and obtains a virtual machine migration range by using a set operation, and uses the virtual machine as a virtual machine attribute. You can flexibly set different migration ranges for different virtual machines, simplify and unify the management of virtual machine migration, and template the customization of virtual machine migration scope.
  • the configuration is simple and flexible, ensuring virtual machine security and avoiding legal risks. It has a wide application space for realizing virtual machine host binding and satisfying customers' individual needs.
  • the virtual machine migration apparatus provided by the invention is described in detail.
  • FIG. 3 is a schematic diagram of a virtual machine migration apparatus according to the embodiment.
  • the virtual machine migration apparatus of the present invention includes: a host management module 301, a range determining module 302, and a host determining module 303.
  • the host management module 301 is configured to define a host that meets the same selection criteria as the same host set to form a host pool.
  • the host collection pool includes at least one of the host collections.
  • Different sets of hosts are defined by different selection criteria. Each selection criterion defines a set of hosts from a single dimension.
  • the host management module 301 is specifically used in one or any combination of the following:
  • the host management module 301 is configured to define a shared storage host as a shared storage host set, and may have multiple shared storage host sets.
  • the host management module 301 is configured to define a host supporting the trusted platform module as a trusted host set.
  • the host management module 301 is configured to define a host that satisfies a certain legal requirement as a legally qualified host set, and may define multiple legally qualified host sets.
  • the host management module 301 is configured to define a virtual machine migratable host customized by the administrator according to the business requirement as an administrator customized host set.
  • the administrator defines a virtual machine-migtable host of some departments (such as the finance department or the confidential department) as an administrator-defined host collection according to business requirements, and can define multiple administrator-customized host collections.
  • the host management module 301 is configured to bind the host bound by the administrator to the virtual machine according to the business requirement, and bind the host set to the virtual machine.
  • the administrator may need to bind a virtual machine to a host according to the business requirements.
  • the virtual machine migration scope can be defined as a host collection containing only the host.
  • the host management module 301 is configured to define a host CPU architecture and a host capable of providing equivalent capabilities as a set of homogeneous hosts.
  • the host management module 301 is configured to define hosts belonging to the same cluster as a cluster host set. Hehe.
  • the host management module 301 is used to define hosts belonging to the same data center as a data center host set.
  • the host management module 301 is configured to define hosts in the same large Layer 2 domain as a large Layer 2 domain host set.
  • Each of the above host collections can be automatically generated according to the host information collected by the DRS, and the host collection members can be automatically adjusted. For example, trusted host collections, homogeneous host collections, and cluster host collections. It can also be customized manually by the user. For example, the law restricts host collections, administrators customize host collections, and virtual machine bundled host collections.
  • the host management module 301 mainly maintains and manages the host pool according to certain selection criteria, including: adding a new host set to the host pool, deleting a host set from the host pool, and modifying a host set. Name, add or remove member hosts, and more. That is, the host management module 301 is further configured to add, modify, and/or delete the host set in the host collection pool after the forming the host collection pool.
  • the scope determining module 302 is configured to determine a migration range of the virtual machine from the host collection pool formed by the host management module 301 according to a virtual machine migration range attribute in a configuration option or attribute of the virtual machine.
  • the range determining module 302 is specifically configured to determine, according to the virtual machine migration range attribute, a related host set in the host collection pool; perform an operation on the related host set, and determine the result of the operation as the virtual machine The scope of the migration.
  • the virtual machine migration range attribute is used to determine a migration range of the virtual machine. , including option parameters for determining the migration range of the virtual machine. Usually this option parameter is qualified when the virtual machine is created.
  • select the host collection from the host collection pool and use the set operation to determine the virtual machine migration scope and generate the virtual machine migration scope attribute (that is, as one of the configuration options or attributes of the virtual machine).
  • the virtual machine is a trusted virtual machine
  • the option parameter for determining the migration scope of the virtual machine includes a trusted virtual
  • the option parameters of the virtual machine are correspondingly, and the virtual machine can only be migrated to the trusted host. Therefore, the determined migration range of the virtual machine is within the scope of the trusted host set.
  • FIG. 2 is a schematic diagram of specifying a migration scope attribute window when creating a virtual machine according to the embodiment.
  • a window for specifying a migration scope attribute may be provided, where the window includes a "host collection list drop-down menu", an operation button, and The host set operation display box “and the virtual machine migration range display window”, click the "host collection list drop-down menu” to pull down all the host collections in the host collection pool, and the user can flexibly select the host collection and operation buttons.
  • the operation expression is displayed in the "Host Set Operation Display Box", and the operation result is displayed in the "Virtual Machine Migration Range Display Window”.
  • the option parameter for determining the migration scope of the virtual machine includes the option parameters of the trusted virtual machine and the shared storage at the time of creation or migration, from the host Select a shared storage host collection and a trusted host collection in the collection pool, and
  • the “intersection” operation finally results in the migration scope host set Hv of the virtual machine V, that is, the migration range of the virtual machine V.
  • the host determining module 303 is configured to determine a target host of the virtual machine migration within a migration range of the virtual machine determined by the range determining module 302.
  • the DRS After the scope determining module 302 determines the virtual machine migration range, the DRS performs the virtual machine migration decision. After determining the virtual machine to be migrated, the host determining module 303 selects the host to be migrated in the host set of the virtual machine migration range. Go to the destination host.
  • the host determining module 303 is specifically configured to determine whether the candidate target host selected by the DRS is within the migration range of the virtual machine, and if yes, determine the candidate target host as the target host of the virtual machine migration; otherwise, The DRS reselects the candidate target host for judgment.
  • the process of selecting the candidate target host of the DRS can be performed according to the existing virtual machine migration method. Line processing.
  • the virtual machine when the virtual machine is dynamically migrated to the target host, it can be selected only in the host set within the scope of the virtual machine migration, simplifying and unifying the management of the virtual machine migration.
  • FIG. 4 is a schematic structural diagram of a virtual machine migration apparatus according to the embodiment.
  • the virtual machine migration apparatus 400 includes: a processor 401, a communication interface 402, and a memory 403.
  • Communication interface 402 is used to interact with other devices.
  • Memory 403 can be a persistent storage, such as a hard drive and flash memory, with software modules and device drivers in memory 403.
  • the software module is capable of executing various functional modules of the above-described methods of the embodiments of the present invention; the device drivers may be network and interface drivers.
  • a host that meets the same selection criteria as the host is configured as a host collection pool, and the host collection pool includes at least one of the host collections.
  • the target host of the virtual machine migration is determined.
  • the virtual machine migration apparatus 400 further performs the virtual machine migration method according to the foregoing embodiment 1 according to the instructions, and details are not described herein.
  • the virtual machine migration method and device provided by the present invention provide a unified collection model of virtual machine migration scope, define different host sets from different dimensions, and obtain a virtual machine migration range by using a set operation, and use it as a virtual machine attribute. You can flexibly set different migration ranges for different virtual machines, simplify and unify the management of virtual machine migration, and template the customization of virtual machine migration scope.
  • the configuration is simple and flexible, ensuring virtual machine security and avoiding legal risks. It has a wide application space for realizing virtual machine host binding and satisfying customers' individual needs.
  • a person skilled in the art should further appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both, in order to clearly illustrate hardware and software.
  • RAM random access memory
  • ROM read only memory
  • EEPROM electrically programmable ROM
  • EEPROM electrically erasable programmable ROM
  • registers hard disk, removable disk, CD-ROM, or technology Any other form of storage medium known.

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Abstract

本发明涉及一种虚拟机迁移方法及装置,所述方法包括:将主机信息符合同一选择标准的主机定义为同一主机集合,形成主机集合池,所述主机集合池中包括至少一个所述主机集合;根据虚拟机的配置选项或属性中的虚拟机迁移范围属性,从所述主机集合池中确定所述虚拟机的迁移范围,所述虚拟机迁移范围属性用于确定所述虚拟机的迁移范围;在所述虚拟机的迁移范围内,确定所述虚拟机迁移的目标主机。本发明提供了虚拟机迁移范围统一模型,可以灵活地针对不同虚拟机设定不同的迁移范围,简化并统一了虚拟机迁移的管控。

Description

虚拟机迁移方法及装置 本申请要求于 2013 年 11 月 27 日提交中国专利局、 申请号为 201310616597.8, 发明名称为 "虚拟机迁移方法及装置" 的中国专利申请 的优先权, 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及计算机技术领域, 尤其涉及一种虚拟机迁移方法及装置。 背景技术
虚拟机动态迁移 (Live Migration)是服务器软硬件解耦带来的关键 特' )·生之一, 分布式资源调度器 (Distributed Resources Scheduler, DRS ) 基于该特性, 实现了诸如负载均衡、 硬件维护、 节能分布式电源管理 ( Distributed Power Management, DPM )和高可用性 ( High Avai labi 1 i ty, HA)等终极(Killer级) 能力。 但是, 对于虚拟机可迁移范围, 一直没有 一个明确的定义, 实现诸如虚拟机主机绑定, 虚拟机可信迁移等, 并没有 一个统一的模型, 而是通过各自的技术手段实现, 这不利于对虚拟机迁移 的管控, 可能带来各种安全隐患和法律风险。
现有的 VMware在进行虚拟机迁移时, DRS以集群( Cluster )内的主机 作为 vMo t i on的迁移范围。 在 VMwa r e中, 所有的虚拟机的迁移范围都是相 同的, 就是整个 Cluster, 用户或管理员无法针对某个虚拟机进行个性化迁 移范围设置。 发明内容
本发明提供一种虚拟机迁移方法及装置, 提供了虚拟机迁移范围统一 模型, 可以灵活地针对不同虚拟机设定不同的迁移范围, 简化并统一了虚 拟机迁移的管控。
本发明第一方面提供了一种虚拟机迁移方法, 所述方法包括: 将主机信息符合同一选择标准的主机定义为同一主机集合, 形成主机 集合池, 所述主机集合池中包括至少一个所述主机集合;
根据虚拟机的配置选项或属性中的虚拟机迁移范围属性, 从所述主机 集合池中确定所述虚拟机的迁移范围, 所述虚拟机迁移范围属性用于确定 所述虚拟机的迁移范围;
在所述虚拟机的迁移范围内, 确定所述虚拟机迁移的目标主机。
结合第一方面, 在第一方面的第一种可能的实施方式中, 所述将主机 信息符合同一选择标准的主机定义为同一主机集合, 具体包括以下所列中 的一种或任意结合:
将共享存储的主机定义为共享存储主机集合;
将支持可信平台模块的主机定义为可信主机集合;
将满足某一法律规定的主机定义为法律限定主机集合; 主机集合;
将管理员依据业务需求绑定虚拟机的主机定义为虚拟机绑定主机集 合;
将主机 CPU的体系架构和所能提供的能力相当的主机定义为同构主机 将属于同一个集群中的主机定义为集群主机集合;
将属于同一个数据中心的主机定义为数据中心主机集合;
将处于同一个大二层域中的主机定义为大二层域主机集合。
结合第一方面, 在第一方面的第二种可能的实施方式中, 所述根据虚 拟机的配置选项或属性中的虚拟机迁移范围属性, 从所述主机集合池中确 定所述虚拟机的迁移范围, 具体包括:
根据所述虚拟机迁移范围属性, 确定所述主机集合池中相关的主机集 合;
对所述相关的主机集合进行运算, 并将运算得到的结果确定为所述虚 拟机的迁移范围。
结合第一方面, 在第一方面的第三种可能的实施方式中, 所述在所述 虚拟机的迁移范围内, 确定所述虚拟机迁移的目标主机, 具体包括:
判断分布式资源调度器 DRS选定的候选目标主机是否在所述虚拟机的 迁移范围内, 如果是, 则将所述候选目标主机确定为所述虚拟机迁移的目 标主机; 否则, 所述 DRS重新选定所述候选目标主机进行判断。
结合第一方面, 在第一方面的第四种可能的实施方式中, 在所述形成 主机集合池之后, 所述方法还包括:
对所述主机集合池中的所述主机集合进行添加、 修改和 /或删除的处 理。
第二方面, 本发明还提供了一种虚拟机迁移装置, 所述装置包括: 主机管理模块, 用于将主机信息符合同一选择标准的主机定义为同一 主机集合, 形成主机集合池, 所述主机集合池中包括至少一个所述主机集 合;
范围确定模块, 用于根据虚拟机的配置选项或属性中的虚拟机迁移范 围属性, 从所述主机管理模块形成的所述主机集合池中确定所述虚拟机的 迁移范围, 所述虚拟机迁移范围属性用于确定所述虚拟机的迁移范围; 主机确定模块, 用于在所述范围确定模块确定的所述虚拟机的迁移范 围内, 确定所述虚拟机迁移的目标主机。
结合第二方面, 在第二方面的第一种可能的实施方式中, 所述主机管 理模块具体用于以下所列中的一种或任意结合:
用于将共享存储的主机定义为共享存储主机集合; 用于将支持可信平台模块的主机定义为可信主机集合; 用于将满足某一法律规定的主机定义为法律限定主机集合;
用于将管理员依据业务需求定制的虚拟机可迁移的主机定义为管理员 定制主机集合;
用于将管理员依据业务需求绑定虚拟机的主机定义为虚拟机绑定主机 用于将主机 CPU的体系架构和所能提供的能力相当的主机定义为同构 主机集合;
用于将属于同一个集群中的主机定义为集群主机集合;
用于将属于同一个数据中心的主机定义为数据中心主机集合; 用于将处于同一个大二层域中的主机定义为大二层域主机集合。
结合第二方面, 在第二方面的第二种可能的实施方式中, 所述范围确 定模块具体用于根据所述虚拟机迁移范围属性, 确定所述主机集合池中相 关的主机集合; 并对所述相关的主机集合进行运算, 将运算得到的结果确 定为所述虚拟机的迁移范围。
结合第二方面, 在第二方面的第三种可能的实施方式中, 所述主机确 定模块具体用于判断分布式资源调度器 DRS选定的候选目标主机是否在所 述虚拟机的迁移范围内, 如果是, 则将所述候选目标主机确定为所述虚拟 机迁移的目标主机; 否则, 所述 DRS重新选定所述候选目标主机进行判断。
结合第二方面, 在第二方面的第四种可能的实施方式中, 所述主机管 理模块还用于对所述主机集合池中的所述主机集合进行添加、 修改和 /或删 除的处理。
本发明提供的虚拟机迁移方法及装置, 提供了虚拟机迁移范围的统一 集合模型, 从不同的维度定义不同的主机集合, 并通过集合运算得到虚拟 机的迁移范围, 将其作为虚拟机的属性, 可以灵活地针对不同虚拟机设定 不同的迁移范围, 简化并统一了虚拟机迁移的管控, 可以对虚拟机迁移范 围进行模板化的定制, 配置简单灵活, 在保证虚拟机安全、 避免法律风险、 实现虚拟机主机绑定、 满足客户个性化需求等方面有着广泛的应用空间。 附图说明
图 1为本发明实施例一提供的虚拟机迁移方法流程图;
图 2为本发明实施例一提供的创建虚拟机时指定迁移范围属性窗口的 示意图;
图 3为本发明实施例二提供的虚拟机迁移装置示意图;
图 4为本发明实施例三提供的虚拟机迁移装置组成结构示意图。 具体实施方式
下面通过附图和实施例, 对本发明的技术方案做进一步的详细描述。 本发明实施例提供的虚拟机迁移方法及装置, 适用于利用分布式资源 调度器 DRS等调度器管理虚拟机动态迁移的场景, 在设定的虚拟机迁移范 围内实现虚拟机的迁移。
实施例一
图 1是本实施例提供的虚拟机迁移方法流程图, 如图 1所示, 本发明 的虚拟机迁移方法包括:
S10 DRS将主机信息符合同一选择标准的主机定义为同一主机集合, 形成主机集合池。
所述主机集合池中包括至少一个所述主机集合。 通过不同的选择标准 定义出不同的主机集合。 每一个选择标准都从一个维度定义出一个主机集 合。
具体地, 可以包括以下所列中的一种或任意结合:
( a )将共享存储的主机定义为共享存储主机集合, 可以有多个共享存 储主机集合。 ( b )将支持可信平台模块(Trus ted Pla tform Module , TPM)的主机定 义为可信主机集合。
( c )依据法律规定, 将满足某一法律规定的主机定义为法律限定主机 集合, 可以定义多个法律限定主机集合。
( d )将管理员依据业务需求定制的虚拟机可迁移的主机定义为管理员 定制主机集合。 管理员依据业务需求, 将某些部门 (比如财务部, 或机要 部门等) 的虚拟机可迁移的主机定义为管理员定制主机集合, 可以定义多 个管理员定制主机集合。
( e )将管理员依据业务需求绑定虚拟机的主机定义为虚拟机绑定主机 集合。 管理员依据业务需求, 可能需要将某台虚拟机绑定到某台主机上, 可以将该虚拟机迁移范围定义为只包含该主机的主机集合。
( f )将主机 CPU的体系架构和所能提供的能力相当的主机定义为同构 主机集合。
( g )将属于同一个集群中的主机定义为集群主机集合。
( h )将属于同一个数据中心的主机定义为数据中心主机集合。
( i )将处于同一个大二层域中的主机定义为大二层域主机集合。 上述各个主机集合可以依据 DRS收集的主机信息自动生成, 并可以自 动调整主机集合成员。 例如, 可信主机集合、 同构主机集合和集群主机集 合等。 也可以由用户手动进行定制。 例如, 法律限定主机集合, 管理员定 制主机集合和虚拟机绑定主机集合等。
本步骤主要是依据一定的选择标准对主机集合池进行维护和管理, 包 括: 向主机集合池中添加新的主机集合, 从主机集合池中删除某个主机集 合, 修改某个主机集合的名字、 添加或删除成员主机等。 即, 在所述形成 主机集合池之后, 所述方法还包括: 对所述主机集合池中的所述主机集合 进行添加、 修改和 /或删除的处理。
S102、 DRS根据虚拟机的配置选项或属性中的虚拟机迁移范围属性,从 所述主机集合池中确定所述虚拟机的迁移范围。
具体包括: 根据所述虚拟机迁移范围属性, 确定所述主机集合池中相 关的主机集合; 对所述相关的主机集合进行运算, 并将运算得到的结果确 定为所述虚拟机的迁移范围。
所述虚拟机迁移范围属性用于确定所述虚拟机的迁移范围, 其中包括 用于确定所述虚拟机的迁移范围的选项参数。 通常该选项参数在创建该虚 拟机时进行限定。 在创建虚拟机时, 从主机集合池中选择主机集合, 并运 用集合运算, 确定虚拟机迁移范围, 生成虚拟机迁移范围属性(即作为虚 拟机的配置选项或属性中的一种)。 例如, 在创建虚拟机时, 该虚拟机是可 信虚拟机, 则用于确定所述虚拟机的迁移范围的选项参数中包含有可信虚 拟机的选项参数, 相应地, 该虚拟机一般只能迁移到可信主机上, 因而, 确定的该虚拟机的迁移范围则是在可信主机集合的范围内。
对于一个虚拟机, 可以指定多个主机集合, 这些主机集合间, 甚至是 不同虚拟机迁移范围主机集合间,可以进行主机集合的运算, 包括"合集"、 "并集"、 "差集"、 "补集 "等运算, 最终确定虚拟机的迁移范围。 图 2是 本实施例提供的创建虚拟机时指定迁移范围属性窗口的示意图, 在创建虚 拟机时可以提供指定迁移范围属性的窗口, 该窗口中包括 "主机集合列表 下拉菜单"、 运算按钮、 "主机集合运算显示框" 和 "虚拟机迁移范围显示 窗", 点击 "主机集合列表下拉菜单" 后可以下拉显示主机集合池中所有的 主机集合, 用户通过选择其中的主机集合和运算按钮, 可以灵活地指定虚 拟机的迁移范围, 运算表达式在 "主机集合运算显示框" 中显示, 运算结 果在 "虚拟机迁移范围显示窗" 中显示。
例如, 对于虚拟机 V来说, 如果在创建时或迁移时, 其用于确定所述 虚拟机的迁移范围的选项参数中包含有可信虚拟机和共享存储的选项参 数, 则从所述主机集合池中选择共享存储主机集合和可信主机集合, 并作 "交集" 运算, 最终得到了虚拟机 V的迁移范围主机集合 Hv, 即虚拟机 V 的迁移范围。
SI 03、在所述虚拟机的迁移范围内, DRS确定所述虚拟机迁移的目标主 机。
在确定了虚拟机迁移范围后, DRS在进行虚拟机迁移决策时,在确定了 要进行迁移的虚拟机后, 要在虚拟机迁移范围的主机集合中选择将要迁往 的目的主机。
具体包括: 判断 DRS选定的候选目标主机是否在所述虚拟机的迁移范 围内, 如果是, 则将所述候选目标主机确定为所述虚拟机迁移的目标主机; 否则, 所述 DRS重新选定所述候选目标主机进行判断。 其中 DRS选定的候 选目标主机的过程可以按照现有的虚拟机迁移的方法进行处理。
这样, 可以在确定虚拟机动态迁移目标主机时, 只在虚拟机迁移范围 内的主机集合内选择, 简化并统一了虚拟机迁移的管控。
另外, 还可以通过定义特殊虚拟机迁移范围来实现虚拟机主机绑定类 同 (aff ini ty )功能和虚拟机反类同 (ant i-aff ini ty )功能。 具体地, 虚 拟机主机绑定 aff ini ty功能通过只包含绑定主机的迁移范围实现。 虚拟机 vl与 v2的 ant i-aff ini ty功能, 通过 vl虚拟机迁移范围补集, 力 P其他主 机集合交集的方式确定虚拟机 v2的迁移范围。
本发明实施例提供的虚拟机迁移方法, 提供了虚拟机迁移范围的统一 集合模型, 从不同的维度定义不同的主机集合, 并通过集合运算得到虚拟 机的迁移范围, 将其作为虚拟机的属性, 可以灵活地针对不同虚拟机设定 不同的迁移范围, 简化并统一了虚拟机迁移的管控, 可以对虚拟机迁移范 围进行模板化的定制, 配置简单灵活, 在保证虚拟机安全、 避免法律风险、 实现虚拟机主机绑定、 满足客户个性化需求等方面有着广泛的应用空间。 发明提供的虚拟机迁移装置进行详细描述。
实施例二 图 3是本实施例提供的虚拟机迁移装置示意图, 如图 3所示, 本发明 的虚拟机迁移装置包括: 主机管理模块 301、 范围确定模块 302和主机确定 模块 303。
主机管理模块 301用于将主机信息符合同一选择标准的主机定义为同 一主机集合, 形成主机集合池。
所述主机集合池中包括至少一个所述主机集合。 通过不同的选择标准 定义出不同的主机集合。 每一个选择标准都从一个维度定义出一个主机集 合。
具体的, 主机管理模块 301具体用于以下所列中的一种或任意结合: 主机管理模块 301用于将共享存储的主机定义为共享存储主机集合, 可以有多个共享存储主机集合。
主机管理模块 301用于将支持可信平台模块的主机定义为可信主机集 合。
主机管理模块 301用于将满足某一法律规定的主机定义为法律限定主 机集合, 可以定义多个法律限定主机集合
主机管理模块 301用于将管理员依据业务需求定制的虚拟机可迁移的 主机定义为管理员定制主机集合。 管理员依据业务需求, 将某些部门 (比 如财务部, 或机要部门等) 的虚拟机可迁移的主机定义为管理员定制主机 集合, 可以定义多个管理员定制主机集合。
主机管理模块 301用于将管理员依据业务需求绑定虚拟机的主机定义 为虚拟机绑定主机集合。 管理员依据业务需求, 可能需要将某台虚拟机绑 定到某台主机上, 可以将该虚拟机迁移范围定义为只包含该主机的主机集 合。
主机管理模块 301用于将主机 CPU的体系架构和所能提供的能力相当 的主机定义为同构主机集合。
主机管理模块 301用于将属于同一个集群中的主机定义为集群主机集 合。
主机管理模块 301用于将属于同一个数据中心的主机定义为数据中心 主机集合。
主机管理模块 301用于将处于同一个大二层域中的主机定义为大二层 域主机集合。
上述各个主机集合可以依据 DRS收集的主机信息自动生成, 并可以自 动调整主机集合成员。 例如, 可信主机集合、 同构主机集合和集群主机集 合等。 也可以由用户手动进行定制。 例如, 法律限定主机集合, 管理员定 制主机集合和虚拟机绑定主机集合等。
主机管理模块 301主要是依据一定的选择标准对主机集合池进行维护 和管理, 包括: 向主机集合池中添加新的主机集合, 从主机集合池中删除 某个主机集合, 修改某个主机集合的名字、 添加或删除成员主机等。 即, 主机管理模块 301 在所述形成主机集合池之后, 还用于对所述主机集合池 中的所述主机集合进行添加、 修改和 /或删除的处理。
范围确定模块 302用于根据虚拟机的配置选项或属性中的虚拟机迁移 范围属性, 从主机管理模块 301 形成的所述主机集合池中确定所述虚拟机 的迁移范围。
范围确定模块 302具体用于根据所述虚拟机迁移范围属性, 确定所述 主机集合池中相关的主机集合; 并对所述相关的主机集合进行运算, 将运 算得到的结果确定为所述虚拟机的迁移范围。
所述虚拟机迁移范围属性用于确定所述虚拟机的迁移范围。,其中包括 用于确定所述虚拟机的迁移范围的选项参数。 通常该选项参数在创建该虚 拟机时进行限定。 在创建虚拟机时, 从主机集合池中选择主机集合, 并运 用集合运算, 确定虚拟机迁移范围, 生成虚拟机迁移范围属性(即作为虚 拟机的配置选项或属性中的一种)。 例如, 在创建虚拟机时, 该虚拟机是可 信虚拟机, 则用于确定所述虚拟机的迁移范围的选项参数中包含有可信虚 拟机的选项参数, 相应地, 该虚拟机一般只能迁移到可信主机上, 因而, 确定的该虚拟机的迁移范围则是在可信主机集合的范围内。
对于一个虚拟机, 可以指定多个主机集合, 这些主机集合间, 甚至是 不同虚拟机迁移范围主机集合间,可以进行主机集合的运算, 包括"合集"、
"并集"、 "差集"、 "补集 "等运算, 最终确定虚拟机的迁移范围。 图 2是 本实施例提供的创建虚拟机时指定迁移范围属性窗口的示意图, 在创建虚 拟机时可以提供指定迁移范围属性的窗口, 该窗口中包括 "主机集合列表 下拉菜单"、 运算按钮、 "主机集合运算显示框" 和 "虚拟机迁移范围显示 窗", 点击 "主机集合列表下拉菜单" 后可以下拉显示主机集合池中所有的 主机集合, 用户通过选择其中的主机集合和运算按钮, 可以灵活地指定虚 拟机的迁移范围, 运算表达式在 "主机集合运算显示框" 中显示, 运算结 果在 "虚拟机迁移范围显示窗" 中显示。
例如, 对于虚拟机 V来说, 如果在创建时或迁移时, 其用于确定所述 虚拟机的迁移范围的选项参数中包含有可信虚拟机和共享存储的选项参 数, 则从所述主机集合池中选择共享存储主机集合和可信主机集合, 并作
"交集" 运算, 最终得到了虚拟机 V的迁移范围主机集合 Hv, 即虚拟机 V 的迁移范围。
主机确定模块 303用于在范围确定模块 302确定的所述虚拟机的迁移 范围内, 确定所述虚拟机迁移的目标主机。
在范围确定模块 302确定了虚拟机迁移范围后, DRS在进行虚拟机迁移 决策时, 在确定了要进行迁移的虚拟机后, 主机确定模块 303要在虚拟机 迁移范围的主机集合中选择将要迁往的目的主机。
主机确定模块 303具体用于判断 DRS选定的候选目标主机是否在所述 虚拟机的迁移范围内, 如果是, 则将所述候选目标主机确定为所述虚拟机 迁移的目标主机; 否则, 所述 DRS 重新选定所述候选目标主机进行判断。 其中 DRS选定的候选目标主机的过程可以按照现有的虚拟机迁移的方法进 行处理。
这样, 可以在确定虚拟机动态迁移目标主机时, 只在虚拟机迁移范围 内的主机集合内选择, 简化并统一了虚拟机迁移的管控。
实施例三
图 4是本实施例提供的虚拟机迁移装置的组成结构示意图, 如图 4所 示, 虚拟机迁移装置 400包括: 处理器 401、 通信接口 402和存储器 403。
通信接口 402用于与其他装置进行交互。
存储器 403可以是永久存储器, 例如硬盘驱动器和闪存, 存储器 403 中具有软件模块和设备驱动程序。 软件模块能够执行本发明实施例上述方 法的各种功能模块; 设备驱动程序可以是网络和接口驱动程序。
在启动时, 这些软件组件被加载到存储器 403 中, 然后被处理器 401 访问并执行如下指令:
将主机信息符合同一选择标准的主机定义为同一主机集合, 形成主机 集合池, 所述主机集合池中包括至少一个所述主机集合;
根据虚拟机的配置选项或属性中的虚拟机迁移范围属性, 从所述主机 集合池中确定所述虚拟机的迁移范围, 所述虚拟机迁移范围属性用于确定 所述虚拟机的迁移范围;
在所述虚拟机的迁移范围内, 确定所述虚拟机迁移的目标主机。
具体地, 虚拟机迁移装置 400还根据所述指令执行上述实施例一所述 的虚拟机迁移方法, 具体在此不再赘述。
本发明提供的虚拟机迁移方法及装置, 提供了虚拟机迁移范围的统一 集合模型, 从不同的维度定义不同的主机集合, 并通过集合运算得到虚拟 机的迁移范围, 将其作为虚拟机的属性, 可以灵活地针对不同虚拟机设定 不同的迁移范围, 简化并统一了虚拟机迁移的管控, 可以对虚拟机迁移范 围进行模板化的定制, 配置简单灵活, 在保证虚拟机安全、 避免法律风险、 实现虚拟机主机绑定、 满足客户个性化需求等方面有着广泛的应用空间。 专业人员应该还可以进一步意识到, 结合本文中所公开的实施例描述 的各示例的单元及算法步骤, 能够以电子硬件、 计算机软件或者二者的结 合来实现, 为了清楚地说明硬件和软件的可互换性, 在上述说明中已经按 照功能一般性地描述了各示例的组成及步骤。 这些功能究竟以硬件还是软 件方式来执行, 取决于技术方案的特定应用和设计约束条件。 专业技术人 员可以对每个特定的应用来使用不同方法来实现所描述的功能, 但是这种 实现不应认为超出本发明的范围。
结合本文中所公开的实施例描述的方法或算法的步骤可以用硬件、 处 理器执行的软件模块, 或者二者的结合来实施。 软件模块可以置于随机存 储器 (RAM )、 内存、 只读存储器 (R0M )、 电可编程 R0M、 电可擦除可编程 ROM, 寄存器、 硬盘、 可移动磁盘、 CD-R0M、 或技术领域内所公知的任意其 它形式的存储介质中。
以上所述的具体实施方式, 对本发明的目的、 技术方案和有益效果进 行了进一步详细说明, 所应理解的是, 以上所述仅为本发明的具体实施方 式而已, 并不用于限定本发明的保护范围, 凡在本发明的精神和原则之内, 所做的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之内。

Claims

权利要求
1、 一种虚拟机迁移方法, 其特征在于, 所述方法包括:
将主机信息符合同一选择标准的主机定义为同一主机集合, 形成主机 集合池, 所述主机集合池中包括至少一个所述主机集合;
根据虚拟机的配置选项或属性中的虚拟机迁移范围属性, 从所述主机 集合池中确定所述虚拟机的迁移范围, 所述虚拟机迁移范围属性用于确定 所述虚拟机的迁移范围;
在所述虚拟机的迁移范围内, 确定所述虚拟机迁移的目标主机。
2、 根据权利要求 1所述的方法, 其特征在于, 所述将主机信息符合同 一选择标准的主机定义为同一主机集合, 具体包括以下所列中的一种或任 意结合:
将共享存储的主机定义为共享存储主机集合;
将支持可信平台模块的主机定义为可信主机集合;
将满足某一法律规定的主机定义为法律限定主机集合; 主机集合;
将管理员依据业务需求绑定虚拟机的主机定义为虚拟机绑定主机集 合;
将主机 CPU 的体系架构和所能提供的能力相当的主机定义为同构主机 将属于同一个集群中的主机定义为集群主机集合;
将属于同一个数据中心的主机定义为数据中心主机集合;
将处于同一个大二层域中的主机定义为大二层域主机集合。
3、 根据权利要求 1所述的方法, 其特征在于, 所述根据虚拟机的配置 选项或属性中的虚拟机迁移范围属性, 从所述主机集合池中确定所述虚拟 机的迁移范围, 具体包括: 根据所述虚拟机迁移范围属性, 确定所述主机集合池中相关的主机集 合;
对所述相关的主机集合进行运算, 并将运算得到的结果确定为所述虚 拟机的迁移范围。
4、 根据权利要求 1所述的方法, 其特征在于, 所述在所述虚拟机的迁 移范围内, 确定所述虚拟机迁移的目标主机, 具体包括:
判断分布式资源调度器 DRS选定的候选目标主机是否在所述虚拟机的 迁移范围内, 如果是, 则将所述候选目标主机确定为所述虚拟机迁移的目 标主机; 否则, 所述 DRS重新选定所述候选目标主机进行判断。
5、 根据权利要求 1所述的方法, 其特征在于, 在所述形成主机集合池 之后, 所述方法还包括:
对所述主机集合池中的所述主机集合进行添加、 修改和 /或删除的处 理。
6、 一种虚拟机迁移装置, 其特征在于, 所述装置包括:
主机管理模块, 用于将主机信息符合同一选择标准的主机定义为同一 主机集合, 形成主机集合池, 所述主机集合池中包括至少一个所述主机集 合;
范围确定模块, 用于根据虚拟机的配置选项或属性中的虚拟机迁移范 围属性, 从所述主机管理模块形成的所述主机集合池中确定所述虚拟机的 迁移范围, 所述虚拟机迁移范围属性用于确定所述虚拟机的迁移范围; 主机确定模块, 用于在所述范围确定模块确定的所述虚拟机的迁移范 围内, 确定所述虚拟机迁移的目标主机。
7、 根据权利要求 6所述的装置, 其特征在于, 所述主机管理模块具体 用于以下所列中的一种或任意结合:
用于将共享存储的主机定义为共享存储主机集合;
用于将支持可信平台模块的主机定义为可信主机集合; 用于将满足某一法律规定的主机定义为法律限定主机集合;
用于将管理员依据业务需求定制的虚拟机可迁移的主机定义为管理员 定制主机集合;
用于将管理员依据业务需求绑定虚拟机的主机定义为虚拟机绑定主机 用于将主机 CPU 的体系架构和所能提供的能力相当的主机定义为同构 主机集合;
用于将属于同一个集群中的主机定义为集群主机集合;
用于将属于同一个数据中心的主机定义为数据中心主机集合; 用于将处于同一个大二层域中的主机定义为大二层域主机集合。
8、 根据权利要求 6所述的装置, 其特征在于, 所述范围确定模块具体 用于根据所述虚拟机迁移范围属性, 确定所述主机集合池中相关的主机集 合; 并对所述相关的主机集合进行运算, 将运算得到的结果确定为所述虚 拟机的迁移范围。
9、 根据权利要求 6所述的装置, 其特征在于, 所述主机确定模块具体 用于判断分布式资源调度器 DRS选定的候选目标主机是否在所述虚拟机的 迁移范围内, 如果是, 则将所述候选目标主机确定为所述虚拟机迁移的目 标主机; 否则, 所述 DRS重新选定所述候选目标主机进行判断。
10、 根据权利要求 6所述的装置, 其特征在于, 所述主机管理模块还用 于对所述主机集合池中的所述主机集合进行添加、 修改和 /或删除的处理。
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