有关 VMware 到 Azure 的复制的常见问题Common questions about VMware to Azure replication

本文解答了将本地 VMware 虚拟机 (VM) 灾难恢复部署到 Azure 时可能出现的常见问题。This article answers common questions that might come up when you deploy disaster recovery of on-premises VMware virtual machines (VMs) to Azure.

常规General

VMware VM 灾难恢复需用到哪些组件?What do I need for VMware VM disaster recovery?

了解 VMware VM 灾难恢复涉及到的组件Learn about the components involved in disaster recovery of VMware VMs.

是否可以使用 Site Recovery 将 VMware VM 迁移到 Azure?Can I use Site Recovery to migrate VMware VMs to Azure?

是的。Yes. 除了使用 Site Recovery 设置 VMware VM 的完全灾难恢复以外,还可以使用 Site Recovery 将本地 VMware VM 迁移到 Azure。In addition to using Site Recovery to set up full disaster recovery for VMware VMs, you can also use Site Recovery to migrate on-premises VMware VMs to Azure. 在此场景中,可将本地 VMware VM 复制到 Azure 存储。In this scenario, you replicate on-premises VMware VMs to Azure Storage. 然后从本地故障转移到 Azure。Then, you fail over from on-premises to Azure. 故障转移后,应用和工作负荷可供使用并在 Azure VM 上运行。After failover, your apps and workloads are available and running on Azure VMs. 该过程类似于设置完全灾难恢复,不过,在迁移时,无法从 Azure 故障回复。The process is like setting up full disaster recovery, except that in a migration you can't fail back from Azure.

我的 Azure 帐户是否需要拥有创建 VM 的权限?Does my Azure account need permissions to create VMs?

如果你是订阅管理员,则已经获得了所需的复制权限。If you're a subscription administrator, you have the replication permissions you need. 如果你不是管理员,则需要拥有执行以下操作的权限:If you're not an administrator, you need permissions to take these actions:

  • 在配置 Site Recovery 时指定的资源组和虚拟网络中创建 Azure VM。Create an Azure VM in the resource group and virtual network you that you specify when you configure Site Recovery.
  • 根据配置写入选定的存储帐户或托管磁盘。Write to the selected storage account or managed disk based on your configuration.

详细了解所需权限。Learn more about required permissions.

可以复制哪些应用程序?What applications can I replicate?

可以复制 VMware VM 中运行的、符合复制要求的任何应用或工作负荷。You can replicate any app or workload running on a VMware VM that meets the replication requirements.

  • Site Recovery 支持应用程序感知型复制,因此,应用可以故障转移或故障回复到智能状态。Site Recovery supports application-aware replication, so that apps can be failed over and failed back to an intelligent state.
  • Site Recovery 与 Microsoft 应用程序集成,例如 SharePoint、Exchange、Dynamics、SQL Server 和 Active Directory。Site Recovery integrates with Microsoft applications such as SharePoint, Exchange, Dynamics, SQL Server, and Active Directory. Microsoft 还与 Oracle、SAP、IBM 和 Red Hat 等领先供应商密切合作。It also works closely with leading vendors, including Oracle, SAP, IBM, and Red Hat.

详细了解工作负荷保护。Learn more about workload protection.

是否可以在 Azure 上使用来宾 OS 服务器许可证?Can I use a guest OS server license on Azure?

是,Azure 软件保障客户可以使用 Azure 混合权益来节省迁移到 Azure 的 Windows Server 计算机的许可成本,或将 Azure 用于灾难恢复。Yes, Azure Software Assurance customers can use Azure Hybrid Benefit to save on licensing costs for Windows Server machines that are migrated to Azure, or to use Azure for disaster recovery.

安全性Security

Site Recovery 需要对 VMware 服务器拥有哪些访问权限?What access to VMware servers does Site Recovery need?

Site Recovery 需要访问 VMware 服务器,才能够:Site Recovery needs access to VMware servers to:

  • 设置运行 Site Recovery 配置服务器的 VMware VM。Set up a VMware VM running the Site Recovery configuration server.
  • 自动发现要复制的 VM。Automatically discover VMs for replication.

Site Recovery 需要对 VMware VM 拥有哪些访问权限?What access to VMware VMs does Site Recovery need?

  • 若要完成复制,必须在 VMware VM 上安装并运行 Site Recovery 移动服务。To replicate, a VMware VM must have the Site Recovery Mobility service installed and running. 可以手动部署所需的工具,或者在为 VM 启用复制时,指定 Site Recovery 要执行服务的推送安装。You can deploy the tool manually, or you can specify that Site Recovery do a push installation of the service when you enable replication for a VM.
  • 在复制期间,VM 将与 Site Recovery 通信,如下所述:During replication, VMs communicate with Site Recovery as follows:
    • VM 通过 HTTPS 端口 443 与配置服务器通信,以进行复制管理。VMs communicate with the configuration server on HTTPS port 443 for replication management.
    • VM 通过 HTTPS 端口 9443 向进程服务器发送复制数据。VMs send replication data to the process server on HTTPS port 9443. (此设置可修改。)(This setting can be modified.)
    • 如果启用了多 VM 一致性,则 VM 通过端口 20004 相互通信。If you enable multi-VM consistency, VMs communicate with each other over port 20004.

复制数据是否会发送到 Site Recovery?Is replication data sent to Site Recovery?

不会。Site Recovery 不会拦截复制的数据,也没有 VM 上运行的组件的任何相关信息。No, Site Recovery doesn't intercept replicated data and doesn't have any information about what's running on your VMs. 复制数据在 VMware 虚拟机监控程序与 Azure 存储之间交换。Replication data is exchanged between VMware hypervisors and Azure Storage. 站点恢复并不具有拦截该数据的能力。Site Recovery has no ability to intercept that data. 只有协调复制与故障转移所需的元数据会发送到站点恢复服务。Only the metadata needed to orchestrate replication and failover is sent to the Site Recovery service.

Site Recovery 已通过 ISO 27001:2013、27018、HIPAA 和 DPA 认证,Site Recovery is certified for ISO 27001:2013 and 27018, HIPAA, and DPA. 目前正在接受 SOC2 和 FedRAMP JAB 评估。It's in the process of SOC2 and FedRAMP JAB assessments.

定价Pricing

如何计算 VMware 灾难恢复的大约费用?How do I calculate approximate charges for VMware disaster recovery?

可以使用定价计算器来估算使用 Site Recovery 时的费用。Use the pricing calculator to estimate costs while using Site Recovery.

若要对费用进行详细的估算,请运行适用于 VMware 的部署规划器工具,并使用成本估算报告For a detailed estimate of costs, run the deployment planner tool for VMware and use the cost estimation report.

复制到存储的费用与直接复制到托管磁盘的费用是否有任何差别?Is there any difference in cost between replicating to storage or directly to managed disks?

托管磁盘的收费与存储帐户略有不同。Managed disks are charged slightly differently from storage accounts. 详细了解托管磁盘的定价。Learn more about managed-disk pricing.

复制到常规用途 v2 存储帐户时,开销是否有什么不同?Is there any difference in cost when replicating to General Purpose v2 storage account?

你通常会发现 GPv2 存储帐户产生的事务成本增加,因为 Azure Site Recovery 的事务量很大。You will typically see an increase in the transactions cost incurred on GPv2 storage accounts since Azure Site Recovery is transactions heavy. 详细了解如何估算费用。Read more to estimate the change.

移动服务Mobility service

在哪里可以找到移动服务安装程序?Where can I find the Mobility service installers?

安装程序位于配置服务器上的 %ProgramData%\ASR\home\svsystems\pushinstallsvc\repository 文件夹中。The installers are in the %ProgramData%\ASR\home\svsystems\pushinstallsvc\repository folder on the configuration server.

如何安装移动服务?How do I install the Mobility service?

在要复制的每个 VM 上,使用以下多种方法之一安装该服务:On each VM that you want to replicate, install the service by one of several methods:

托管磁盘Managed disks

Site Recovery 将数据复制到何处?Where does Site Recovery replicate data to?

Site Recovery 将本地 VMware VM 和物理服务器复制到 Azure 中的托管磁盘。Site Recovery replicates on-premises VMware VMs and physical servers to managed disks in Azure.

  • Site Recovery 进程服务器将复制日志写入到目标区域中的缓存存储帐户。The Site Recovery process server writes replication logs to a cache storage account in the target region.
  • 这些日志用于在带有 asrseeddisk 前缀的 Azure 托管磁盘上创建恢复点。These logs are used to create recovery points on Azure-managed disks that have prefix of asrseeddisk.
  • 故障转移时,将使用所选的恢复点来创建新的目标托管磁盘。When failover occurs, the recovery point you select is used to create a new target managed disk. 此托管磁盘附加到 Azure 中的 VM。This managed disk is attached to the VM in Azure.
  • 以前已复制到存储帐户的 VM(2019 年 3 月以前)不受影响。VMs that were previously replicated to a storage account (before March 2019) aren't affected.

是否可将新计算机复制到存储帐户?Can I replicate new machines to storage accounts?

否。No. 从 2019 年 3 月开始,在 Azure 门户中只能复制到 Azure 托管磁盘。Beginning in March 2019, in the Azure portal, you can replicate only to Azure managed disks.

只能使用 PowerShell(Az.RecoveryServices 模块版本 1.4.5)或 REST API(版本 2018-01-10 或 2016-08-10)将新 VM 复制到存储帐户。Replication of new VMs to a storage account is available only by using PowerShell (Az.RecoveryServices module version 1.4.5) or the REST API (version 2018-01-10 or 2016-08-10). 了解如何使用 PowerShell 命令来设置复制。Learn how to setup replication using the PowerShell commands.

复制到托管磁盘的优点是什么?What are the benefits of replicating to managed disks?

了解 Site Recovery 如何使用托管磁盘简化灾难恢复。Learn how Site Recovery simplifies disaster recovery with managed disks.

计算机受保护后,是否可以更改托管磁盘类型?Can I change the managed-disk type after a machine is protected?

是的,可以轻松针对正在进行的复制更改托管磁盘的类型Yes, you can easily change the type of managed disk for ongoing replications. 在更改类型之前,请确保未在托管磁盘上生成任何共享访问签名 URL:Before changing the type, ensure that no shared access signature URL is generated on the managed disk:

  1. 在 Azure 门户中转到“托管磁盘”资源,并检查“概述”边栏选项卡上是否出现了共享访问签名 URL 横幅。 Go to the Managed Disk resource on the Azure portal and check whether you have a shared access signature URL banner on the Overview blade.
  2. 如果出现了横幅,请选择它以取消正在进行的导出。If the banner is present, select it to cancel the ongoing export.
  3. 在接下来的几分钟内更改磁盘类型。Change the type of the disk within the next few minutes. 如果更改了托管磁盘类型,需要等待 Azure Site Recovery 生成全新的恢复点。If you change the managed-disk type, wait for fresh recovery points to be generated by Azure Site Recovery.
  4. 对将来的任何测试故障转移或故障转移使用新恢复点。Use the new recovery points for any test failover or failover in the future.

是否可将复制目标从托管磁盘切换为非托管磁盘?Can I switch replication from managed disks to unmanaged disks?

否。No. 不支持从托管磁盘切换为非托管磁盘。Switching from managed to unmanaged isn't supported.

复制Replication

复制的 VM 要满足哪些要求?What are the replicated VM requirements?

详细了解 VMware VM 和物理服务器的支持要求。Learn more about support requirements for VMware VMs and physical servers.

可以多久复制到 Azure 一次?How often can I replicate to Azure?

将 VMware VM 复制到 Azure 时,复制是持续性的。Replication is continuous when replicating VMware VMs to Azure.

是否可以扩展复制?Can I extend replication?

不支持扩展或链式复制。Extended or chained replication isn't supported.

是否可以执行脱机初始复制?Can I do an offline initial replication?

不支持脱机复制。Offline replication isn't supported.

什么是 asrseeddisk?What is asrseeddisk?

对于每个源磁盘,数据将复制到 Azure 中的托管磁盘。For every source disk, data is replicated to a managed disk in Azure. 此磁盘带有 asrseeddisk 前缀。This disk has the prefix of asrseeddisk. 其中存储了源磁盘的副本和所有恢复点快照。It stores the copy of the source disk and all the recovery point snapshots.

是否可从复制中排除磁盘?Can I exclude disks from replication?

是的,可以排除磁盘。Yes, you can exclude disks.

是否可以复制包含动态磁盘的 VM?Can I replicate VMs that have dynamic disks?

可以复制动态磁盘。Dynamic disks can be replicated. 操作系统磁盘必须是基本磁盘。The operating system disk must be a basic disk.

如果我使用复制组实现多 VM 一致性,是否可以将新 VM 添加到现有复制组?If I use replication groups for multi-VM consistency, can I add a new VM to an existing replication group?

是的,可以在为新 VM 启用复制时将这些 VM 添加到现有复制组。Yes, you can add new VMs to an existing replication group when you enable replication for them. 但是:However:

  • 开始复制后,无法将 VM 添加到现有的复制组。You can't add a VM to an existing replication group after replication has begun.
  • 无法为现有的 VM 创建复制组。You can't create a replication group for existing VMs.

是否可以通过添加磁盘或调整磁盘大小来修改正在复制的 VM?Can I modify VMs that are replicating by adding or resizing disks?

对于从 VMware 复制到 Azure,可以修改源 VM 的磁盘大小。For VMware replication to Azure, you can modify disk size of source VMs. 如果要添加新磁盘,则必须为 VM 添加磁盘并重新启用保护。If you want to add new disks, you must add the disk and reenable protection for the VM.

是否可以在不影响进行中复制的情况下将本地计算机迁移到新的 vCenter Server?Can I migrate on-premises machines to a new vCenter Server without impacting ongoing replication?

否。No. 更改 VMware Vcenter 或迁移将影响正在进行的复制。A change of VMware Vcenter or migration will impact ongoing replication. 对新的 vCenter Server 设置 Site Recovery,并为计算机重新启用复制。Set up Site Recovery with the new vCenter Server and enable replication for machines again.

是否可以复制到在其上配置了虚拟网络(具有 Azure 防火墙)的缓存或目标存储帐户?Can I replicate to a cache or target storage account that has a virtual network (with Azure Firewalls) configured on it?

否,Site Recovery 不支持复制到虚拟网络上的 Azure 存储。No, Site Recovery doesn't support replication to Azure Storage on virtual networks.

生成崩溃一致性恢复点的频率是多少?What is the frequency of generation of crash-consistent recovery points?

Site Recovery 每隔 5 分钟生成一次崩溃一致性恢复点。Site Recovery generates crash-consistent recovery points every 5 minutes.

组件升级Component upgrade

我的移动服务代理或配置服务器版本较低,并且升级失败。My version of the Mobility services agent or configuration server is old, and my upgrade failed. 我该怎么办?What do I do?

Site Recovery 遵循 N-4 支持模型。Site Recovery follows the N-4 support model. 详细了解如何从很低的版本升级。Learn more about how to upgrade from very old versions.

在哪里可以找到 Azure Site Recovery 的发行说明和更新汇总?Where can I find the release notes and update rollups for Azure Site Recovery?

了解新的更新获取汇总信息Learn about new updates, and get rollup information.

在哪里可以找到有关灾难恢复到 Azure 的升级信息?Where can I find upgrade information for disaster recovery to Azure?

了解如何升级Learn about upgrading.

每次升级后是否都需要重新启动源计算机?Do I need to reboot source machines for each upgrade?

建议每次升级后重新启动,但不一定非要这样做。A reboot is recommended but not mandatory for each upgrade. 了解详细信息Learn more.

配置服务器Configuration server

配置服务器的作用是什么?What does the configuration server do?

配置服务器运行本地 Site Recovery 组件,包括:The configuration server runs the on-premises Site Recovery components, including:

  • 配置服务器本身。The configuration server itself. 该服务器协调本地组件与 Azure 之间的通信,并管理数据复制。The server coordinates communications between on-premises components and Azure, and manages data replication.
  • 充当复制网关的进程服务器。The process server, which acts as a replication gateway. 此服务器:This server:
    1. 接收复制数据。Receives replication data.
    2. 通过缓存、压缩和解密来优化数据。Optimizes the data with caching, compression, and encryption.
    3. 将数据发送到 Azure 存储。Sends the data to Azure Storage. 进程服务器还会在 VM 上推送安装移动服务,并执行本地 VMware VM 的自动发现。The process server also does a push install of the Mobility Service on VMs and performs automatic discovery of on-premises VMware VMs.
  • 处理从 Azure 进行故障回复期间生成的复制数据的主目标服务器。The master target server, which handles replication data during failback from Azure.

详细了解配置服务器组件和流程。Learn more about the configuration server components and processes.

要在哪个位置设置配置服务器?Where do I set up the configuration server?

需要为配置服务器提供一个高度可用的本地 VMware VM。You need a single, highly available, on-premises VMware VM for the configuration server. 对于物理服务器灾难恢复,请在物理计算机上安装配置服务器。For physical server disaster recovery, install the configuration server on a physical machine.

配置服务器需要满足哪些条件?What do I need for the configuration server?

请查看先决条件Review the prerequisites.

是否可以手动设置配置服务器,而不使用模板进行设置?Can I manually set up the configuration server instead of using a template?

我们建议使用最新版本的开放虚拟化格式 (OVF) 模板来创建配置服务器 VMWe recommend that you create the configuration server VM by using the latest version of the Open Virtualization Format (OVF) template. 如果你无法使用该模板(例如,无法访问 VMware 服务器),请从门户下载安装程序文件并设置配置服务器。If you can't use the template (for example, if you don't have access to the VMware server), download the setup file from the portal and set up the configuration server.

是否可将配置服务器复制到多个区域?Can a configuration server replicate to more than one region?

否。No. 若要复制到多个区域,需在每个区域中设置一个配置服务器。To replicate to more than one region, you need a configuration server in each region.

是否可以在 Azure 中托管配置服务器?Can I host a configuration server in Azure?

虽然可以这样做,但运行配置服务器的 Azure VM 需要与本地的 VMware 基础结构和 VM 通信。Although it's possible, the Azure VM running the configuration server would need to communicate with your on-premises VMware infrastructure and VMs. 这种通信可能会增大延迟并影响正在进行的复制。This communication adds latency and impacts ongoing replication.

如何更新配置服务器?How do I update the configuration server?

了解如何更新配置服务器。Learn how to update the configuration server.

  • 可以在 Azure 更新页中找到最新的更新信息。You can find the latest update information on the Azure updates page.
  • 可从门户下载最新版本。You can download the latest version from the portal. 或者,可以直接从下载中心下载最新版本的配置服务器。Or, you can download the latest version of the configuration server directly from the Download Center.
  • 如果你的版本比当前版本低 4 个版本,请参阅支持声明获取升级指导。If your version is more than four versions older than the current version, see the support statement for upgrade guidance.

是否应备份配置服务器?Should I back up the configuration server?

建议定期备份配置服务器。We recommend taking regular scheduled backups of the configuration server.

  • 若要成功进行故障回复,要故障回复的 VM 必须位于配置服务器数据库中。For successful failback, the VM being failed back must exist in the configuration server database.
  • 配置服务器必须正在运行且处于连接状态。The configuration server must be running and in a connected state.
  • 详细了解常见的配置服务器管理任务。Learn more about common configuration server management tasks.

设置配置服务器时,是否可以手动下载并安装 MySQL?When I'm setting up the configuration server, can I download and install MySQL manually?

是的。Yes. 请下载 MySQL 并将其置于 C:\Temp\ASRSetup 文件夹中。Download MySQL and place it in the C:\Temp\ASRSetup folder. 然后手动安装它。Then, install it manually. 设置配置服务器 VM 并接受条款后,MySQL 在“下载并安装”中将列出为“已安装”。 When you set up the configuration server VM and accept the terms, MySQL will be listed as Already installed in Download and install.

我是否可以避免下载 MySQL 但让 Site Recovery 安装它?Can I avoid downloading MySQL but let Site Recovery install it?

是的。Yes. 请下载 MySQL 安装程序并将其置于 C:\Temp\ASRSetup 文件夹中。Download the MySQL installer and place it in the C:\Temp\ASRSetup folder. 设置配置服务器 VM 时,请接受条款,然后选择“下载并安装”。When you set up the configuration server VM, accept the terms and select Download and install. 门户将使用你添加的安装程序来安装 MySQL。The portal will use the installer that you added to install MySQL.

是否可以将配置服务器 VM 用于任何其他项?Can I use the configuration server VM for anything else?

否。No. 请仅将 VM 用于配置服务器。Use the VM only for the configuration server.

是否可以克隆配置服务器并将其用于业务流程?Can I clone a configuration server and use it for orchestration?

否。No. 请设置新配置服务器以避免注册问题。Set up a fresh configuration server to avoid registration issues.

是否可以更改配置服务器注册到的保管库?Can I change the vault in which the configuration server is registered?

否。No. 将某个保管库关联到配置服务器后,无法更改该保管库。After a vault is associated with the configuration server, it can't be changed. 了解如何将配置服务器注册到不同的保管库。Learn about registering a configuration server with a different vault.

是否可以将同一配置服务器同时用于 VMware VM 和物理服务器的灾难恢复?Can I use the same configuration server for disaster recovery of both VMware VMs and physical servers?

可以,但请注意,物理计算机仅可故障回复到 VMware VM。Yes, but note that physical machine can be failed back only to a VMware VM.

在哪里可以下载配置服务器的密码?Where can I download the passphrase for the configuration server?

了解如何下载通行短语。Learn how to download the passphrase.

在哪里可以下载保管库注册密钥?Where can I download vault registration keys?

在“恢复服务保管库”中,选择“Site Recovery 基础结构” > “管理”中的“配置服务器”。 In the Recovery Services vault, select Configuration Servers in Site Recovery Infrastructure > Manage. 然后在“服务器”中,选择“下载注册密钥”以下载保管库凭据文件。 Then, in Servers, select Download registration key to download the vault credentials file.

是否可以使用单个配置服务器来保护多个 vCenter 实例?Can a single configuration server be used to protect multiple vCenter instances?

是,单个配置服务器可以保护多个 vCenter 中的 VM。Yes, a single configuration server can protect VMs across multiple vCenters. 对于可以添加到配置服务器的 vCenter 实例的数量没有限制,但是对于单个配置服务器可以保护的 VM 数量的限制确实适用。There is not limit on how many vCenter instances can be added to the configuration server, however the limits for how many VMs a single configuration server can protect do apply.

单个配置服务器是否可以保护 vCenter 中的多个群集?Can a single configuration server protect multiple clusters within vCenter?

是,Azure Site Recovery 可以保护不同群集上的 VM。Yes, Azure Site Recovery can protect VMs across different clusters.

进程服务器Process server

为何启用复制时无法选择进程服务器?Why am I unable to select the process server when I enable replication?

9.24 和更高版本中的更新现在会在启用复制时显示进程服务器的运行状况Updates in versions 9.24 and later now display the health of the process server when you enable replication. 此功能有助于避免发生进程服务器限制,并尽量避免使用不正常的进程服务器。This feature helps to avoid process-server throttling and to minimize the use of unhealthy process servers.

如何将进程服务器更新到 9.24 或更高版本,以获取准确的运行状况信息?How do I update the process server to version 9.24 or later for accurate health information?

版本 9.24 开始添加了更多警报来指示进程服务器的运行状况。Beginning with version 9.24, more alerts have been added to indicate the health of the process server. 将 Site Recovery 组件更新到 9.24 或更高版本,以生成所有警报。Update your Site Recovery components to version 9.24 or later so that all alerts are generated.

如何确保进程服务器的高可用性?How can I ensure high availability of the process server?

通过配置多个进程服务器,可以灵活地将受保护的计算机从运行不正常的进程服务器移动到正常工作的进程服务器。By configuring more than one process server, the design provides flexibility to move protected machines from an unhealthy process server to working process server. 若要将计算机从一个进程服务器移动到另一个进程服务器,则必须通过此处定义的步骤显式/手动启动:在进程服务器之间移动 VMMovement of a machine from one process server to another must be initiated explicitly/manually via the defined steps here: moving VMs between process servers.

故障转移和故障回复Failover and failback

是否可以使用本地进程服务器进行故障回复?Can I use the on-premises process server for failback?

我们强烈建议在 Azure 中创建一个进程服务器用于故障回复,以免出现数据传输延迟。We strongly recommend creating a process server in Azure for failback purposes, to avoid data transfer latencies. 此外,如果已在配置服务器将源 VM 网络与面向 Azure 的网络相隔离,则必须使用 Azure 中创建的进程服务器进行故障回复。Additionally, in case you separated the source VMs network with the Azure facing network in the configuration server, it's essential to use the process server created in Azure for failback.

是否可以在故障转移之后保留 IP 地址?Can I keep the IP address on failover?

是的,可以在故障转移之后保留 IP 地址。Yes, you can keep the IP address on failover. 在故障转移之前,请确保在 VM 的“计算和网络”设置中指定目标 IP 地址。Ensure that you specify the target IP address in the Compute and Network settings for the VM before failover. 此外,故障转移时请关闭计算机,以免故障回复期间发生 IP 地址冲突。Also, shut down machines at the time of failover to avoid IP address conflicts during failback.

在故障转移之前是否可以更改目标 VM 大小或 VM 类型?Can I change the target VM size or VM type before failover?

是的,在故障转移之前的任何时间,都可以更改 VM 的类型或大小。Yes, you can change the type or size of the VM at any time before failover. 在门户中使用已复制的 VM 的“计算和网络”设置即可。In the portal, use the Compute and Network settings for the replicated VM.

可以恢复到哪个最早的时间点?How far back can I recover?

对于 VMware 到 Azure 的复制,可以使用的最早恢复点是 72 小时。For VMware to Azure, the oldest recovery point you can use is 72 hours.

故障转移后如何访问 Azure VM?How do I access Azure VMs after failover?

故障转移后,可以通过安全的 Internet 连接、站点到站点 VPN 或 Azure ExpressRoute 来访问 Azure VM。After failover, you can access Azure VMs over a secure internet connection, over a site-to-site VPN, or over Azure ExpressRoute. 若要进行连接,必须做好一些准备工作。To connect, you must prepare several things. 了解详细信息Learn more.

故障转移的数据是否有复原能力?Is failed-over data resilient?

Azure 具有复原能力。Azure is designed for resilience. Site Recovery 能够根据 Azure 服务级别协议 (SLA) 故障转移到辅助 Azure 数据中心。Site Recovery is engineered for failover to a secondary Azure datacenter, as required by the Azure service-level agreement (SLA). 发生故障转移时,我们会确保元数据和保管库保留在为保管库选择的同一地理区域中。When failover occurs, we make sure your metadata and vaults remain in the same geographic region that you chose for your vault.

故障转移是自动发生的吗?Is failover automatic?

故障转移不是自动的。Failover isn't automatic. 可以在门户中单击一下鼠标来启动故障转移,或者使用 PowerShell 来触发故障转移。You start a failover by making a single selection in the portal, or you can use PowerShell to trigger a failover.

是否可以故障回复到不同位置?Can I fail back to a different location?

是的。Yes. 故障转移到 Azure 后,如果原始位置不可用,可以故障回复到不同的位置。If you failed over to Azure, you can fail back to a different location if the original one isn't available. 了解详细信息Learn more.

为何需要配合专用对等互连使用 VPN 或 ExpressRoute 进行故障回复?Why do I need a VPN or ExpressRoute with private peering to fail back?

从 Azure 故障回复时,Azure 中的数据将复制回到本地 VM,这需要提供专用访问权限。When you fail back from Azure, data from Azure is copied back to your on-premises VM, and private access is required.

自动化和脚本Automation and scripting

是否可以使用脚本设置复制?Can I set up replication with scripting?

是的。Yes. 可以使用 Rest API、PowerShell 或 Azure SDK 将 Site Recovery 工作流自动化。You can automate Site Recovery workflows by using the Rest API, PowerShell, or the Azure SDK. 了解详细信息Learn more.

性能和容量Performance and capacity

是否可以限制复制带宽?Can I throttle replication bandwidth?

是的。Yes. 了解详细信息Learn more.

后续步骤Next steps

  • 查看支持要求。Review support requirements.
  • 设置 VMware 到 Azure 的复制。Set up VMware to Azure replication.