Azure VM 备份的支持矩阵Support matrix for Azure VM backup

可以使用 Azure 备份服务备份本地计算机和工作负荷以及 Azure 虚拟机 (VM)。You can use the Azure Backup service to back up on-premises machines and workloads, and Azure virtual machines (VMs). 本文汇总了使用 Azure 备份服务备份 Azure VM 时的支持设置和限制。This article summarizes support settings and limitations when you back up Azure VMs with Azure Backup.

其他支持矩阵:Other support matrices:

支持的方案Supported scenarios

下面描述了使用 Azure 备份服务备份和还原 Azure VM 的方式。Here's how you can back up and restore Azure VMs with the Azure Backup service.

方案Scenario 备份Backup 代理Agent RestoreRestore
直接备份 Azure VMDirect backup of Azure VMs 备份整个 VM。Back up the entire VM. 无需在 Azure VM 上安装代理。No agent is needed on the Azure VM. Azure 备份将为 VM 上运行的 Azure VM 代理安装一个扩展并使用该扩展。Azure Backup installs and uses an extension to the Azure VM agent that is running on the VM. 按如下所述进行还原:Restore as follows:

- 创建基本的 VM- Create a basic VM. 如果 VM 不使用特殊配置(例如多个 IP 地址),则此操作非常有用。This is useful if the VM has no special configuration such as multiple IP addresses.

- 还原 VM 磁盘- Restore the VM disk. 还原磁盘。Restore the disk. 然后将磁盘附加到现有 VM,或使用 PowerShell 从磁盘创建新的 VM。Then attach it to an existing VM, or create a new VM from the disk by using PowerShell.

- 替换 VM 磁盘- Replace VM disk. 如果 VM 存在并使用托管磁盘(未加密),则你可以还原磁盘并使用它来替换 VM 上的现有磁盘。If a VM exists and it uses managed disks (unencrypted), you can restore a disk and use it to replace an existing disk on the VM.

- 还原特定的文件/文件夹- Restore specific files/folders. 可以从 VM 还原文件/文件夹,而不是从整个 VM 还原。You can restore files/folders from a VM instead of from the entire VM.
直接备份 Azure VM(仅适用于 Windows)Direct backup of Azure VMs (Windows only) 备份特定的文件/文件夹/卷。Back up specific files/folders/volume. 安装 Azure 恢复服务代理Install the Azure Recovery Services agent

可将 MARS 代理与适用于 Azure VM 代理的备份扩展一同运行,以便在文件/文件夹级别备份 VM。You can run the MARS agent alongside the backup extension for the Azure VM agent to back up the VM at file/folder level.
还原特定的文件夹/文件。Restore specific folders/files.
将 Azure VM 备份到备份服务器Back up Azure VM to backup server 将文件/文件夹/卷、系统状态/裸机文件和应用数据备份到 System Center DPM 或 Microsoft Azure 备份服务器 (MABS)。Back up files/folders/volumes; system state/bare metal files; app data to System Center DPM or to Microsoft Azure Backup Server (MABS).

然后,DPM/MABS 将备份到备份保管库。DPM/MABS then backs up to the backup vault.
在 VM 上安装 DPM/MABS 保护代理。Install the DPM/MABS protection agent on the VM. 在 DPM/MABS 上安装 MARS 代理。The MARS agent is installed on DPM/MABS. 还原文件/文件夹/卷;系统状态/裸机文件;应用数据。Restore files/folders/volumes; system state/bare metal files; app data.

详细了解如何使用备份服务器进行备份以及支持要求Learn more about backup using a backup server and about support requirements.

支持的备份操作Supported backup actions

操作Action 支持Support
创建 Windows Azure VM 时启用备份Enable backup when you create a Windows Azure VM 支持:Supported for:

- Windows Server 2019 (Datacenter/Datacenter Core/Standard)- Windows Server 2019 (Datacenter/Datacenter Core/Standard)

- Windows Server 2016 (Datacenter/Datacenter Core/Standard)- Windows Server 2016 (Datacenter/Datacenter Core/Standard)

- Windows Server 2012 R2 (Datacenter/Standard)- Windows Server 2012 R2 (Datacenter/Standard)

- Windows Server 2008 R2(RTM 和 SP1 Standard)- Windows Server 2008 R2 (RTM and SP1 Standard)
创建 Linux VM 时启用备份Enable backup when you create a Linux VM 支持:Supported for:

- Ubuntu Server:18.04、17.10、17.04、16.04 (LTS)、14.04 (LTS)- Ubuntu Server: 18.04, 17.10, 17.04, 16.04 (LTS), 14.04 (LTS)

- Red Hat:RHEL 6.7、6.8、6.9、7.2、7.3、7.4- Red Hat: RHEL 6.7, 6.8, 6.9, 7.2, 7.3, 7.4

- SUSE Linux Enterprise Server:11 SP4、12 SP2、12 SP3、15- SUSE Linux Enterprise Server: 11 SP4, 12 SP2, 12 SP3, 15

- Debian:8、9- Debian: 8, 9

- CentOS:6.9、7.3- CentOS: 6.9, 7.3

- Oracle Linux:6.7、6.8、6.9、7.2、7.3- Oracle Linux: 6.7, 6.8, 6.9, 7.2, 7.3
备份已关闭的 VM/脱机 VMBack up a VM that's shutdown/offline VM Supported.

仅创建崩溃一致性快照,不会创建应用一致性快照。Snapshot is crash-consistent only, not app-consistent.
迁移到托管磁盘后备份磁盘Back up disks after migrating to managed disks Supported.

备份将继续工作。Backup will continue to work. 因此不需要执行任何操作。No action is required.
启用资源组锁定后备份托管磁盘Back up managed disks after enabling resource group lock 不支持。Not supported.

Azure 备份无法删除旧的资源点;如果达到了还原点数目的上限,备份将开始失败。Azure Backup can't delete the older resource points, and backups will start to fail when the maximum limit of restore points is reached.
修改 VM 的备份策略Modify backup policy for a VM Supported.

将使用新策略中的计划和保留期设置备份 VM。The VM will be backed up by using the schedule and retention settings in new policy. 如果保留期设置已延长,则会标记并保留现有的恢复点。If retention settings are extended, existing recovery points are marked and kept. 如果保留期设置已缩短,则会在下一个清理作业中清理现有的恢复点,并最终将其删除。If they're reduced, existing recovery points will be pruned in the next cleanup job and eventually deleted.
取消备份作业Cancel a backup job 在快照过程中受支持。Supported during snapshot process.

快照正在传输到保管库时不受支持。Not supported when the snapshot is being transferred to the vault.
将 VM 备份到其他区域或订阅Back up the VM to a different region or subscription 不支持。Not supported.
每日备份(通过 Azure VM 扩展)Backups per day (via the Azure VM extension) 每日进行一次计划的备份。One scheduled backup per day.

每日最多可以创建四个按需备份。You can make up to four on-demand backups per day.
每日备份(通过 MARS 代理)Backups per day (via the MARS agent) 每日进行三次计划的备份。Three scheduled backups per day.
每日备份(通过 DPM/MABS)Backups per day (via DPM/MABS) 每日进行两次计划的备份。Two scheduled backups per day.
每月/每年备份Monthly/yearly backup 使用 Azure VM 扩展备份时不受支持。Not supported when backing up with Azure VM extension. 仅支持每日和每周备份。Only daily and weekly is supported.

可将策略设置为按每月/每年保留期保留每日/每周备份。You can set up the policy to retain daily/weekly backups for monthly/yearly retention period.
自动时钟调整Automatic clock adjustment 不支持。Not supported.

备份 VM 时,Azure 备份不会根据夏令时自动调整。Azure Backup doesn't automatically adjust for daylight saving time changes when backing up a VM.

请根据需要手动修改策略。Modify the policy manually as needed.
混合备份的安全功能Security features for hybrid backup 不支持禁用安全功能。Disabling security features isn't supported.
备份计算机时间已发生更改的 VMBackup the VM whose machine time is changed 不支持。Not supported.

如果在为 VM 启用备份后,其计算机时间已更改为将来的日期时间,那么,即使时间更改已还原,也不能保证备份成功。If the machine time is changed to a future date-time after enabling backup for that VM; However even if the time change is reverted, successful backup is not guaranteed.

操作系统支持 (Windows)Operating system support (Windows)

下表汇总了备份 Windows Azure VM 时支持的操作系统。The following table summarizes the supported operating systems when backing up Windows Azure VMs.

方案Scenario OS 支持OS support
使用 Azure VM 代理扩展进行备份Back up with Azure VM agent extension Windows 客户端:不支持Windows Client: Not supported

- Windows Server 2019 (Datacenter/Datacenter Core/Standard)- Windows Server 2019 (Datacenter/Datacenter Core/Standard)

- Windows Server 2016 (Datacenter/Datacenter Core/Standard)- Windows Server 2016 (Datacenter/Datacenter Core/Standard)

- Windows Server 2012 R2 (Datacenter/Standard)- Windows Server 2012 R2 (Datacenter/Standard)

- Windows Server 2008 R2(RTM 和 SP1 Standard)- Windows Server 2008 R2 (RTM and SP1 Standard)
使用 MARS 代理进行备份Back up with MARS agent 支持的操作系统。Supported operating systems.
使用 DPM/MABS 备份Back up with DPM/MABS 使用 MABSDPM 备份时支持的操作系统。Supported operating systems for backup with MABS and DPM.

Linux 备份支持Support for Linux backup

下面是在需要备份 Linux 计算机的情况下的支持项目。Here's what's supported if you want to back up Linux machines.

操作Action 支持Support
使用 Linux Azure VM 代理备份 Linux Azure VMBack up Linux Azure VMs with the Linux Azure VM agent 文件一致性备份。File consistent backup.

使用自定义脚本的应用一致性备份。App-consistent backup using custom scripts.

在还原过程中,可以创建新的 VM、还原某个磁盘并使用它来创建 VM,或者还原某个磁盘并使用它来替换现有 VM 上的磁盘。During restore, you can create a new VM, restore a disk and use it to create a VM, or restore a disk and use it to replace a disk on an existing VM. 还可以还原单个文件和文件夹。You can also restore individual files and folders.
使用 MARS 代理备份 Linux Azure VMBack up Linux Azure VMs with MARS agent 不支持。Not supported.

MARS 代理只能安装在 Windows 计算机上。The MARS agent can only be installed on Windows machines.
使用 DPM/MABS 备份 Linux Azure VMBack up Linux Azure VMs with DPM/MABS 不支持。Not supported.

操作系统支持 (Linux)Operating system support (Linux)

对于 Azure VM Linux 备份,Azure 备份支持 Azure 认可的 Linux 分发版列表。For Azure VM Linux backups, Azure Backup supports the list of Linux distributions endorsed by Azure. 注意以下事项:Note the following:

  • Azure 备份不支持 Core OS Linux。Azure Backup doesn't support Core OS Linux.
  • Azure 备份不支持 32 位操作系统。Azure Backup doesn't support 32-bit operating systems.
  • 只要 VM 上装有适用于 Linux 的 Azure VM 代理且支持 Python,其他自带 Linux 分发版也能正常运行。Other bring-your-own Linux distributions might work as long as the Azure VM agent for Linux is available on the VM, and as long as Python is supported.
  • 如果代理配置的 Linux VM 上未安装 Python 版本 2.7,Azure 备份将不支持此 VM。Azure Backup doesn't support a proxy-configured Linux VM if it does not have Python version 2.7 installed.

备份频率和保留期Backup frequency and retention

设置Setting 限制Limits
每个受保护实例(计算机/工作负荷)的恢复点数上限Maximum recovery points per protected instance (machine/workload) 9999。9999.
恢复点的最长过期时间Maximum expiry time for a recovery point 无限制。No limit.
备份到保管库时的最高备份频率(Azure VM 扩展)Maximum backup frequency to vault (Azure VM extension) 每天一次。Once a day.
备份到保管库时的最高备份频率(MARS 代理)Maximum backup frequency to vault (MARS agent) 每日三次备份。Three backups per day.
备份到 DPM/MABS 时的最高备份频率Maximum backup frequency to DPM/MABS SQL Server 每隔 15 分钟。Every 15 minutes for SQL Server.

其他工作负荷每小时一次。Once an hour for other workloads.
恢复点保留期Recovery point retention 每日、每周、每月和每年。Daily, weekly, monthly, and yearly.
最大保留期Maximum retention period 取决于备份频率。Depends on backup frequency.
DPM/MABS 磁盘上的恢复点数Recovery points on DPM/MABS disk 文件服务器为 64 个,应用服务器为 448 个。64 for file servers, and 448 for app servers.

对于本地 DPM 来说,磁带恢复点没有限制。Tape recovery points are unlimited for on-premises DPM.

支持的还原方法Supported restore methods

还原方法Restore method 详细信息Details
创建新 VMCreate a new VM 可以在还原过程中创建 VM。You can create a VM during the restore process.

此选项可以启动并运行一个基本的 VM。This option gets a basic VM up and running. 可以指定 VM 名称、资源组、虚拟网络、子网和存储。You can specify the VM name, resource group, virtual network, subnet, and storage.
还原磁盘Restore a disk 可以还原某个磁盘并使用它来创建 VM。You can restore a disk and use it to create a VM.

如果选择此选项,Azure 备份会将保管库中的数据复制到所选的存储帐户。When you select this option, Azure Backup copies data from the vault to a storage account that you select. 还原作业生成一个模板。The restore job generates a template. 可以下载此模板,并使用它来指定自定义的 VM 设置和创建 VM。You can download this template, use it to specify custom VM settings, and create a VM.

与前面用于创建 VM 的选项相比,使用此选项可以指定更多的设置。This option allows you to specify more settings that the previous option to create a VM.

替换现有磁盘Replace an existing disk 可以还原某个磁盘,然后使用还原的磁盘来替换当前 VM 上的磁盘。You can restore a disk and then use the restored disk to replace a disk that's currently on a VM.
还原文件Restore files 可以从所选的恢复点恢复文件。You can recover files from a selected recovery point. 下载一个脚本,用于从恢复点装载 VM 磁盘。You download a script to mount the VM disk from the recovery point. 然后,浏览磁盘卷以找到想要恢复的文件/文件夹,并在完成后卸载磁盘。You then browse through the disk volumes to find the files/folders you want to recover and unmount the disk when you're done.

文件级还原支持Support for file-level restore

RestoreRestore 支持Supported
跨操作系统还原文件Restoring files across operating systems 可以在与备份的 VM 使用相同(或兼容)OS 的任何计算机上还原文件。You can restore files on any machine that has the same (or compatible) OS as the backed-up VM. 请参阅兼容的 OS 表格See the Compatible OS table.
还原经典 VM 上的文件Restoring files on classic VMs 不支持。Not supported.
还原已加密 VM 中的文件Restoring files from encrypted VMs 不支持。Not supported.
还原网络受限的存储帐户中的文件Restoring files from network-restricted storage accounts 不支持。Not supported.
使用 Windows 存储空间还原 VM 上的文件Restoring files on VMs using Windows Storage Spaces 不支持在同一 VM 上还原。Restore not supported on same VM.

应在兼容的 VM 上还原文件。Instead, restore the files on a compatible VM.
使用 LVM/RAID 阵列还原 Linux VM 上的文件Restore files on Linux VM using LVM/raid arrays 不支持在同一 VM 上还原。Restore not supported on same VM.

在兼容的 VM 上还原。Restore on a compatible VM.
使用特殊网络设置还原文件Restore files with special network settings 不支持在同一 VM 上还原。Restore not supported on same VM.

在兼容的 VM 上还原。Restore on a compatible VM.

VM 管理支持Support for VM management

下表汇总了在执行 VM 管理任务(例如添加或替换 VM 磁盘)期间的备份支持。The following table summarizes support for backup during VM management tasks, such as adding or replacing VM disks.

RestoreRestore 支持Supported
跨订阅/区域/局部区域还原。Restore across subscription/region/zone. 不支持。Not supported.
还原到现有 VMRestore to an existing VM 使用“替换磁盘”选项。Use replace disk option.
在为存储帐户启用了 Azure 存储服务加密 (SSE) 的情况下还原磁盘Restore disk with storage account enabled for Azure Storage Service Encryption (SSE) 不支持。Not supported.

还原到未启用 SSE 的帐户。Restore to an account that doesn't have SSE enabled.
还原到混合存储帐户Restore to mixed storage accounts 不支持。Not supported.

根据存储帐户类型,所有已还原的磁盘将是高级或标准类型,而不是混合类型。Based on the storage account type, all restored disks will be either premium or standard, and not mixed.
将 VM 直接还原到可用性集Restore VM directly to an availability set 对于托管磁盘,可以还原磁盘,并在模板中使用可用性集选项。For managed disks, you can restore the disk and use the availability set option in the template.

不支持非托管磁盘。Not supported for unmanaged disks. 对于非托管磁盘,可以还原磁盘,然后在可用性集中创建 VM。For unmanaged disks, restore the disk, and then create a VM in the availability set.
升级到托管 VM 后还原非托管 VM 的备份Restore backup of unmanaged VMs after upgrading to managed VM Supported.

可以还原磁盘,然后创建托管 VM。You can restore disks, and then create a managed VM.
在将 VM 迁移到托管磁盘之前将 VM 还原到还原点Restore VM to restore point before the VM was migrated to managed disks Supported.

还原到非托管磁盘(默认设置),将已还原的磁盘转换为托管磁盘,然后使用托管磁盘创建 VM。You restore to unmanaged disks (default), convert the restored disks to managed disk, and create a VM with the managed disks.
还原已删除的 VM。Restore a VM that's been deleted. Supported.

可以从恢复点还原 VM。You can restore the VM from a recovery point.
通过门户还原属于多 DC 配置的域控制器 (DC) VMRestore a domain controller (DC) VM that is part of a multi-DC configuration through portal 如果使用 PowerShell 还原磁盘并创建 VM,则支持此操作。Supported if you restore the disk and create a VM by using PowerShell.
还原不同虚拟网络中的 VMRestore VM in different virtual network Supported.

虚拟网络必须位于同一订阅和区域中。The virtual network must be in the same subscription and region.

VM 计算支持VM compute support

计算Compute 支持Support
VM 大小VM size 至少有 2 个 CPU 核心和 1-GB RAM 的任意 Azure VM 大小。Any Azure VM size with at least 2 CPU cores and 1-GB RAM.

了解详细信息。Learn more.
备份可用性集中的 VMBack up VMs in availability sets Supported.

无法使用快速创建 VM 的选项来还原可用性集中的 VM。You can't restore a VM in an available set by using the option to quickly create a VM. 还原 VM 时,需要还原磁盘并使用它来部署 VM,或者还原磁盘并使用它来替换现有磁盘。Instead, when you restore the VM, restore the disk and use it to deploy a VM, or restore a disk and use it to replace an existing disk.
备份使用混合使用权益 (HUB) 部署的 VMBack up VMs that are deployed with Hybrid Use Benefit (HUB) Supported.
备份规模集中部署的 VMBack up VMs that are deployed in a scale set 不支持。Not supported.
备份从 Azure 市场部署的 VMBack up VMs that are deployed from the Azure Marketplace

(由 Microsoft 或第三方发布)(Published by Microsoft, third party)
Supported.

VM 必须运行受支持的操作系统。The VM must be running a supported operating system.

恢复 VM 上的文件时,可以仅还原到兼容的 OS(不是早期版本或更高版本的 OS)。When recovering files on the VM, you can restore only to a compatible OS (not an earlier or later OS). 我们不会将 Azure 市场 VM 作为 VM 还原(因为这需要订单信息),而只会作为磁盘还原。We do not restore the Azure Marketplace VMs backed as VMs, as these needs purchase information but only as Disks.
备份从自定义映像部署的 VM(第三方)Back up VMs that are deployed from a custom image (third-party) Supported.

VM 必须运行受支持的操作系统。The VM must be running a supported operating system.

恢复 VM 上的文件时,可以仅还原到兼容的 OS(不是早期版本或更高版本的 OS)。When recovering files on the VM, you can restore only to a compatible OS (not an earlier or later OS).
备份已迁移到 Azure 的 VMBack up VMs that are migrated to Azure Supported.

若要备份 VM,必须在迁移的计算机上安装 VM 代理。To back up the VM, the VM agent must be installed on the migrated machine.
备份多 VM 一致性Back up Multi-VM consistency Azure 备份不提供跨多个 VM 的数据和应用程序一致性。Azure Backup does not provide data and application consistency across multiple VMs.
备份包含诊断设置的 VMBackup with Diagnostic Settings 不支持。Unsupported.

如果使用新建选项触发包含诊断设置的 Azure VM 的还原,还原将会失败。If the restore of the Azure VM with diagnostic settings is triggered using Create New option then the restore fails.

VM 存储支持VM storage support

组件Component 支持Support
Azure VM 数据磁盘Azure VM data disks 备份包含 16 个或更少数据磁盘的 VM。Back up a VM with 16 or less data disks.

支持备份虚拟机,每个磁盘大小最大为 30TB,VM 中所有磁盘的总大小最大为 256TB。Supports backup of virtual machines with each disk size up to 30TB and a maximum of 256TB combined for all disks in a VM.
数据磁盘大小Data disk size 单个磁盘最大可以为 30TB。Individual disk can be up to 30TB.
存储类型Storage type 标准 HDD、标准 SSD、高级 SSD。Standard HDD, Standard SSD, Premium SSD.
托管磁盘Managed disks Supported.
加密的磁盘Encrypted disks Supported.

可以备份已启用 Azure 磁盘加密的 Azure VM(包含或不包含 Azure AD 应用)。Azure VMs enabled with Azure Disk Encryption can be backed up (with or without the Azure AD app).

无法在文件/文件夹级别恢复已加密的 VM。Encrypted VMs can’t be recovered at the file/folder level. 必须恢复整个 VM。You must recover the entire VM.

可以在已受 Azure 备份保护的 VM 上启用加密。You can enable encryption on VMs that are already protected by Azure Backup.
已启用写入加速器的磁盘Disks with Write Accelerator enabled 不支持。Not supported.

Azure 备份会在备份期间自动排除已启用写入加速器的磁盘。Azure backup automatically excludes the Disks with Write Accelerator enabled during backup. 由于这些磁盘未备份,因此将无法从 VM 的恢复点还原这些磁盘。Since they are not backed up, you will not be able to Restore these disks from Recovery-Points of the VM.
备份和还原已删除重复数据的 VM/磁盘Back up & Restore deduplicated VMs/disks Azure 备份不支持删除重复数据。Azure Backup does not support deduplication. 有关详细信息,请参阅此文For more information refer to this article

- Azure 备份不会跨恢复服务保管库中的 VM 删除重复数据- Azure Backup does not deduplicate across VMs in the Recovery Services vault

- 如果在还原过程中有处于重复数据删除状态的 VM,则无法还原文件,因为保管库无法理解该格式- If there are VMs in deduplication state during restore, the files can't be restored as vault does not understand the format
将磁盘添加到受保护的 VMAdd disk to protected VM Supported.
调整受保护 VM 上的磁盘大小Resize disk on protected VM Supported.
共享存储Shared storage 不建议使用群集共享卷 (CSV) 或横向扩展文件服务器备份 VM。Backing up VMs using Cluster Shared Volume (CSV) or Scale-Out File Server is not recommended. 在备份期间,CSV 写入器可能会失败。CSV writers are likely to fail during backup. 还原时,包含 CSV 卷的磁盘可能不会启动。On restore, disks containing CSV volumes might not come-up.

VM 网络支持VM network support

组件Component 支持Support
网络接口 (NIC) 数Number of network interfaces (NICs) 特定 Azure VM 大小支持最大数量的 NIC。Up to maximum number of NICs supported for a specific Azure VM size.

NIC 是在还原过程中创建 VM 时创建的。NICs are created when the VM is created during the restore process.

已还原 VM 上的 NIC 数目与启用保护时 VM 上的 NIC 数目相同。The number of NICs on the restored VM mirrors the number of NICs on the VM when you enabled protection. 启用保护后移除 NIC 不影响计数。Removing NICs after you enable protection doesn't affect the count.
内部/外部负载均衡器External/internal load balancer Supported.

详细了解如何还原使用特殊网络设置的 VM。Learn more about restoring VMs with special network settings.
多个保留的 IP 地址Multiple reserved IP addresses Supported.

详细了解如何还原使用特殊网络设置的 VM。Learn more about restoring VMs with special network settings.
具有多个网络适配器的 VMVMs with multiple network adapters Supported.

详细了解如何还原使用特殊网络设置的 VM。Learn more about restoring VMs with special network settings.
具有公共 IP 地址的 VMVMs with public IP addresses Supported.

将现有的公共 IP 地址与 NIC 相关联,或者在完成还原后创建一个地址,并将其与 NIC 相关联。Associate an existing public IP address with the NIC, or create an address and associate it with the NIC after restore is done.
NIC/子网上的网络安全组 (NSG)。Network security group (NSG) on NIC/subnet. Supported.
保留的 IP 地址(静态)Reserved IP address (static) 不支持。Not supported.

无法备份使用保留 IP 地址且未定义终结点的 VM。You can't back up a VM with a reserved IP address and no defined endpoint.
动态 IP 地址Dynamic IP address Supported.

如果源 VM 上的 NIC 使用动态 IP 地址,则默认情况下,已还原 VM 上的 NIC 也使用动态 IP 地址。If the NIC on the source VM uses dynamic IP addressing, by default the NIC on the restored VM will use it too.
Azure 流量管理器Azure Traffic Manager Supported.

如果备份的 VM 位于流量管理器中,请手动将已还原的 VM 添加到同一个流量管理器实例。If the backed-up VM is in Traffic Manager, manually add the restored VM to the same Traffic Manager instance.
Azure DNSAzure DNS Supported.
自定义 DNSCustom DNS Supported.
通过 HTTP 代理建立出站连接Outbound connectivity via HTTP proxy Supported.

不支持经过身份验证的代理。An authenticated proxy isn't supported.
虚拟网络服务终结点Virtual network service endpoints Supported.

防火墙和虚拟网络存储帐户设置应允许从所有网络进行访问。Firewall and virtual network storage account settings should allow access from all networks.

VM 安全与加密支持VM security and encryption support

Azure 备份支持针对传输中数据和静态数据的加密:Azure Backup supports encryption for in-transit and at-rest data:

发往 Azure 的网络流量:Network traffic to Azure:

  • 从服务器到恢复服务保管库的备份流量通过高级加密标准 256 进行加密。Backup traffic from servers to the Recovery Services vault is encrypted by using Advanced Encryption Standard 256.

  • 备份数据通过安全 HTTPS 链接进行发送。Backup data is sent over a secure HTTPS link.

  • 备份数据以加密格式存储在恢复服务保管库中。The backup data is stored in the Recovery Services vault in encrypted form.

  • 只有你有解锁此数据的通行短语。Only you have the passphrase to unlock this data. Microsoft 无法解密任何恢复点的备份数据。Microsoft can't decrypt the backup data at any point.

    Warning

    设置保管库后,只有你才能访问加密密钥。After you set up the vault, only you have access to the encryption key. Microsoft 不保留副本,且没有访问该密钥的权限。Microsoft never maintains a copy and doesn't have access to the key. 如果客户丢失了密钥,Microsoft 无法恢复备份数据。If the key is misplaced, Microsoft can't recover the backup data.

数据安全:Data security:

  • 备份 Azure VM 时,需要在虚拟机内部设置加密。 When backing up Azure VMs, you need to set up encryption within the virtual machine.
  • Azure 备份支持 Azure 磁盘加密,后者在 Windows 虚拟机上使用 BitLocker,在 Linux 虚拟机上使用 dm-cryptAzure Backup supports Azure Disk Encryption, which uses BitLocker on Windows virtual machines and us dm-crypt on Linux virtual machines.
  • 在后端,Azure 备份使用 Azure 存储服务加密来保护静态数据。On the back end, Azure Backup uses Azure Storage Service encryption, which protects data at rest.
计算机Machine 传输中In transit 静态At rest
没有 DPM/MABS 的本地 Windows 计算机On-premises Windows machines without DPM/MABS 是 是
Azure VMAzure VMs 是 是
本地计算机/装有 DPM 的 Azure VMOn-premises/Azure VMs with DPM 是 是
本地计算机/装有 MABS 的 Azure VMOn-premises/Azure VMs with MABS 是 是

VM 压缩支持VM compression support

Azure 备份支持对备份流量进行压缩,详细情况汇总在下表中。Backup supports the compression of backup traffic, as summarized in the following table. 注意以下事项:Note the following:

  • 就 Azure VM 来说,VM 扩展会通过存储网络直接读取 Azure 存储帐户中的数据。For Azure VMs, the VM extension reads the data directly from the Azure storage account over the storage network. 无需压缩此流量。It is not necessary to compress this traffic.
  • 如果使用 DPM 或 MABS,则可先压缩数据,然后再将其备份到 DPM/MABS,以节省带宽。If you're using DPM or MABS, you can save bandwidth by compressing the data before it's backed up to DPM/MABS.
计算机Machine 压缩到 MABS/DPM (TCP)Compress to MABS/DPM (TCP) 压缩到保管库 (HTTPS)Compress to vault (HTTPS)
没有 DPM/MABS 的本地 Windows 计算机On-premises Windows machines without DPM/MABS 不可用NA 是
Azure VMAzure VMs 不可用NA 不可用NA
本地计算机/装有 DPM 的 Azure VMOn-premises/Azure VMs with DPM 是 是
本地计算机/装有 MABS 的 Azure VMOn-premises/Azure VMs with MABS 是 是

后续步骤Next steps