The agent lets you specify one of the following approaches to protect VM backup data:
VMware vSphere Web Services SDK and VMware VDDK--Lets you protect the following implementations:
VMware vSphere Web Services SDK and VMware VDDK Approach
When using the VMware vSphere Web Services SDK and VMware VDDK approach, consider the following:
If the virtual disks are provisioned as Lazy zeroed thick or thin disks, the agent creates backup sessions that are approximately the same size as the used disk space on the VM.
Arcserve Backup does not support the active block analysis approach on virtual machines that contain virtual raw device mapping (RDM) disks. However, if Arcserve Backup detects virtual RDM disks, you can submit full backups of the virtual RDM disks and recover the disks as normal thick disks.
Note: Although active block backup jobs complete successfully, one of the following messages can appear in the Activity Log after the jobs run:
To correct the condition that generated messages AW0720 and AW0589, reset changed block tracking. For more information, see Failed to Create Disk Bitmap Errors Occur During Backups.
Be aware of the following limitations:
Note: VMware converter is not required to restore virtual machine data that was backed up using VDDK.
Note: You should not attempt to modify vmconfig.dat.
Note: You should not attempt to modify the disk files.
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