Using CA ARCserve Central Host-Based VM Backup › Define a Transport Mode for Backups
Define a Transport Mode for Backups
You can define a specific transport mode (transfer data) to use for D2D backup jobs that execute using Host-Based VM Backup. By default, Host-based VM backup uses a mode that lets Host-Based VM Backup to optimize the performance (increase the speed) of the backup operation. However, when you want to specify a particular transport mode for backup operations, you configure the registry key described in this topic.
Host-Based VM Backup can execute backups using the following transport modes:
Be aware of the following considerations:
- This is an optional configuration task. By default, Host-Based VM Backup executes backups using a transport mode that optimizes the performance of the backup operation.
- When you configure this registry key to use a specific transport mode and the mode is not available, Host-Based VM Backup uses an available default transport mode for the backup operation.
Follow these steps:
- Log in to the CA ARCserve D2D backup proxy system for the virtual machines.
Open Windows Registry Editor and browse to the following key:
[HKEY_LOCAL_MACHINE\SOFTWARE\CA\CA ARCSERVE D2D\AFBackupDll\{VM-InstanceUUID}].
- Right-click VM-InstanceUUID and select New and click String Value on the pop-up menu.
Name the new string value as follows:
EnforceTransport
- Right-click EnforceTransport and click Modify on the pop-up menu to open the Edit String dialog.
- In the Value Data field, specify the transport mode that you want to use during the backup job. Specify one of the following values:
- hotadd
-
HOTADD transport mode
- nbd
-
NBD transport mode
- nbdssl
-
NBDSSL transport mode
- san
-
SAN transport mode
- Click OK to apply the value and close the Edit String dialog.
The transport mode is defined and is used the next time that a job runs.
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