Constraints and Limitations
VMware Backup
- VM backups from the following VMware vSphere versions can be synchronized to the cloud: 5.1, 5.5, 6.0, 6.5, 6.7.
- Currently, only VMware ESXi VMs can be backed up to the cloud.
- To achieve better performance and operation experience, only the OSs listed in Table 1 allows for cloud recovery. These OSs have passed the the compatibility test. If you only need to restore data to on-premises VMware VMs, there is no restriction on the OS version.
- The VDDK version of VMware 6.7 or earlier VMs must be 6.0.3.
- Backups synchronized to the cloud cannot be used to create cloud servers.
- Backups synchronized to the cloud can only be restored to existing cloud servers running the same type of OS. Recovery of partial disks on a VM is not supported.
- Servers whose system disks are configured with LVM cannot be restored on cloud.
- Before the restoration, configure security groups according to the procedure. Otherwise, the restoration may fail.
- The backup bandwidth should be at least 100 Mbit/s. The sizes of disks on the VMware VMs to be backed up to the cloud should be integers in GB.
- When recovering data on the cloud from a Windows VMware backup, the boot partition number of the source VM system disk must be 2.
- When recovering data on the cloud from a Linux VMware backup, the system disk of the source VM can have no more than two partitions.
Table 1 OSs that support restoration to the cloud OS
Supported Version
Windows
Windows 7
Windows Server 2008 R2
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Windows Server 2019
CentOS
CentOS 6.4
CentOS 6.5
CentOS 7.2
CentOS 7.3
CentOS 7.4
CentOS 7.5
CentOS 7.6
CentOS 7.7
Red Hat
Red Hat 6.4
Red Hat 6.5
Red Hat 7.2
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