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NetVault Plug-in for VMware 10.5 - User Guide

Introduction Installing the plug-in Configuring the plug-in Defining a backup strategy Using the image-level backup method Using the file-level backup method Restoring image-level backups Restoring file-level backups Troubleshooting

Enabling quiescing of virtual machines

Quiescing is only supported on Windows-based virtual machines. You can set the backup preferences to enable quiescing for all or specific virtual machines.
 
 
*NOTE: Quiescing is enabled by default.
To enable quiescing of virtual machines
1
Start the Backup Job Wizard, and click Create New next to the Selections list.
2
Open the NetVault Backup Client on which plug-in is installed, and then open VMware Plugin.
3
To enable quiescing for all virtual machines managed by an ESX or a vCenter Server, select the server, and in the Actions list, click Set Backup Preferences.
To enable quiescing for specific virtual machines, open the ESX/ESXi or vCenter Server and the other applicable container nodes (for example, Datacenter, Cluster, Resource Pool, and other nodes) to display the target virtual machines. Select the virtual machine, and in the Actions list, click Set Backup Preferences.
4
In the Backup Preferences dialog box, configure the following option:
•
Quiesce VM for snapshot: This check box is selected by default. To quiesce a virtual machine before creating a snapshot, leave this check box selected. The setting for an individual virtual machine level takes precedence over the server-level setting.
5
Click OK to close the dialog box.

Disabling quiescing of virtual machines

On virtual machines with high CPU or IO load, the quiesce operation may time out and cause the backup job to fail. In such cases, you can disable quiescing for all or specific virtual machines. When you disable quiescing, the plug-in uses crash-consistent snapshots to perform backups.
To disable quiescing of virtual machines
1
Start the Backup Job Wizard, and click Create New next to the Selections list.
2
Open the NetVault Backup Client on which plug-in is installed, and then open VMware Plugin.
3
To disable quiescing for all virtual machines managed by an ESX or a vCenter Server, select the server, and in the Actions list, click Set Backup Preferences.
To disable quiescing for specific virtual machines, open the ESX/ESXi or vCenter Server and the other applicable container nodes (for example, Datacenter, Cluster, Resource Pool, and other nodes) to display the target virtual machines. Select the virtual machine, and in the Actions list, click Set Backup Preferences.
4
In the Backup Preferences dialog box, configure the following option:
•
Quiesce VM for snapshot: To create a snapshot without quiescing a virtual machine, clear this check box. The setting for an individual virtual machine level takes precedence over the server-level setting.
5
Click OK to close the dialog box.

Removing backup preferences for a virtual machine

By removing backup preferences for a virtual machine, you can ensure that the plug-in automatically applies the server preferences to the individual virtual machine. If you enable or disable quiescing at the server level, the same setting is applied to the virtual machine for which the configuration has been removed.
To remove backup preferences for a virtual machine
1
Start the Backup Job Wizard, and click Create New next to the Selections list.
2
Open the NetVault Backup Client on which plug-in is installed, and then open VMware Plugin.
3
Open the ESX/ESXi or vCenter Server and the other applicable container nodes (for example, Datacenter, Cluster, Resource Pool, and other nodes) to display the target virtual machines.
4
Select the virtual machine, and in the Actions list, click Remove Backup Preferences.

Enabling virtual machine locking

If a virtual machine is migrated (for example, through Storage vMotion) while a backup or restore job is in progress, it can cause a job to fail or it can create orphaned virtual disks on the datastores. To temporarily disable migration, the virtual machines can be locked before a job starts and unlocked when the job is completed.
By default, the locking mechanism is disabled and it is not used during backups and restores.
To enable virtual machine locking
1
Open the vmware.cfg file in any text editor. You can find this file in <NetVault Backup home>\config on Windows and <NetVault Backup home>/config on Linux.
2
In the [Custom:GetMigrationLock] section, set the Value option to True:
[Custom:GetMigrationLock]
Value = True
3
Save the file.
 
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