Plug-in Options. Dell Avamar Plug-in for Hyper-V VSS, Avamar Server


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Plug-in Options. Dell Avamar Plug-in for Hyper-V VSS, Avamar Server | Manualzz

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Plug-in Options

Topics:

How to set plug-in options

Hyper-V VSS plug-in backup options

Hyper-V VSS plug-in restore options

Hyper-V GLR plug-in options

How to set plug-in options

Plug-in options enable you to control specific actions for on-demand backups, restores, and scheduled backups. The available plug-in options depend on the operation type and plug-in type.

Specify plug-in options in the AUI for on-demand backup or restore wizards, or when a dataset for a scheduled backup is created. Set plug-in options with the graphical user interface (GUI) controls (text boxes, check boxes, radio buttons, and so forth). Type an option and its value in the Key and Value fields.

NOTE: The Avamar software does not check or validate the information that is typed in the Show Free Form section of the More Options pane. The values in the Key and Value fields override settings that are specified with the GUI controls for the options.

Hyper-V VSS plug-in backup options

The following options are available for the Avamar Plug-in for Hyper-V VSS when you perform an on-demand backup or when you configure a dataset for scheduled backups.

Table 8. Hyper-V VSS plug-in backup options

Option

Backup Level

Description

To perform incremental backups, select the Incremental . If Full is selected, only full backups are performed. If Incremental is selected and no full backup exists, a full backup is then performed.

Promote backup within virtual machine from copy to full

Select the checkbox to promote the backup type from copy to full for the in-guest shadow copy that occurs during an image-level backup.

During a full backup, the backup history of each file on the virtual machine updates. The update process causes log truncation in some applications, such as Microsoft Exchange.

A copy backup does not update the backup history of each file. The default setting is to leave the checkbox clear and set the in-guest backup type to copy. This setting prevents truncation of application logs on the virtual machine.

Store backup on Data Domain system

To store the backup on a Data Domain system instead of the Avamar server, select the checkbox, and then select the Data Domain system from the list.

NOTE: To enable this option, add a Data Domain system to the Avamar configuration. The Avamar and Data Domain System Integration Guide provides instructions.

Encryption method to Data Domain system Specifies the encryption method for data transfer between the client and the

Data Domain system during the backup.

64 Plug-in Options

Table 8. Hyper-V VSS plug-in backup options (continued)

Option

Enable multi-streaming

Description

To enable multi-streaming, which is parallel processing of backup jobs by using multiple processors, select the checkbox, and then select the maximum number of streams from the Maximum number of streams list.

Multi-streaming can improve system performance in environments with multiple processors.

Maximum number of streams If you enable multi-streaming, select the maximum number of streams from the list. Each stream requires a separate processor.

Group by If you enable multi-streaming, select the method that Avamar uses to group data for multi-streaming:

● Select Virtual machine to create one stream for each virtual machine.

● Select Volume to create one stream for each CSV or SMB file share.

Exclude offline virtual machines from backup Select the checkbox to exclude offline virtual machines from the backup.

Advanced Options

Enable debugging messages Select the checkbox to write maximum information to the log files for debugging.

Use caution when you select this option. The backup process creates large log files.

Minutes to wait for application-consistent snapshot to complete

Backup Targets

Specify the number of minutes to wait for an application-consistent snapshot to complete on nodes where the federated cluster client is not running.

The default value is 20 minutes. An application-consistent snapshot of approximately 15 virtual machines on a node can complete in 20 minutes.

If the snapshot does not complete in the specified amount of time, then the backup operation proceeds on the remaining cluster nodes and the backup completes with exceptions.

This option only applies to the following cluster environments:

● Windows Hyper-V Server with virtual machine storage on SMB file shares

● Windows Hyper-V Server with virtual machine storage on CSV

Select one of the following virtual machines for RCT backups:

● All Virtual Machines

● Only CSV Virtual Machines

● Only SMB Virtual Machines

The default backup target is All Virtual Machines .

Snapshot Consistency Level

Perform Synthetic Full Backups

The consistency level for snapshots in RCT backups can be Application

Consistent or Crash Consistent . The default is Application Consistent .

Enables synthetic full backups. This checkbox is unselected by default.

Hyper-V VSS plug-in restore options

The following options are available when you perform an image-level restore with the Avamar Plug-in for Hyper-V VSS.

Table 9. Hyper-V VSS plug-in restore options

Option

Allow virtual machine overwrite

Description

Select the checkbox to overwrite the virtual machine if an existing virtual machine on the Hyper-V Server has the same GUID as the virtual machine that you are restoring.

Plug-in Options 65

Table 9. Hyper-V VSS plug-in restore options (continued)

Option

Encryption method from Data Domain system

Description

Specifies the encryption method for data transfer between the Data DOmain system and the client during the restore.

Advanced Options

Enable debugging messages Select the checkbox to write maximum information to the log files for debugging.

Use caution when you select this option. The restore process creates large log files.

Restore virtual machine with new GUID Select this option to restore a virtual machine with a new GUID. This is applicable only for redirected restores from RCT backups. This option is not selected by default.

Hyper-V GLR plug-in options

The following plug-in options are available when you perform granular level recovery for Hyper-V.

Table 10. Hyper-V GLR plug-in options

Option

Amount of time to leave AvFS mounted

Description

Select when to automatically dismount the temporary file system from the virtual machine or Windows client for GLR:

● Dismount after restore completes

● Dismount after 1 hour of inactivity

● Dismount after 2 hours of inactivity

Restore folder where files are to be restored

Type the path to the target folder for the folders and files for GLR.

66 Plug-in Options

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