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NetVault Plug-in for SQL Server 11.4.5 - User Guide

Introducing Quest® NetVault® Backup Plug-in  for SQL Server® Planning your SQL Server deployment Installing and removing the plug-in Configuring the plug-in Backing up data
Defining a backup strategy Reviewing the compression features Performing Online VDI backups Performing VSS backups in SQL Server® Example of creating a full VDI backup of an AlwaysOn Availability Group
Restoring data Troubleshooting

Configuring the NetVault Backup Virtual Client

After you install (or reinstall) a NetVault Backup Virtual Client and before you perform a backup or restore, ensure that the NetVault Backup Virtual Client is configured. The process for configuring the Virtual Client depends on whether you are using a SQL Server Failover Cluster or an AlwaysOn Availability Group.

Configuring the Virtual Client for a SQL Server Failover cluster deployment

In a SQL Server Failover deployment, the SQL Server Failover Virtual Instance is automatically detected if the SQL Server Browser Service is running in all the nodes of the Failover Cluster. Otherwise, to add SQL Server Failover Virtual Instance using the Add Instance Action, follow these steps:

1
In the Navigation pane, click Create Backup Job, and click Create New next to the Selections list.
2
In the selection tree, open the newly created Virtual Client.
3
Double-click Plug‑in for SQL Server and double-click the All Instances node.
4
From the Actions list, select Configure.
5
Complete the applicable fields. For more information, see Configuring authentication details.
* 
IMPORTANT: Add the cluster instance name in the Instances field of the Configure dialog box. To add an instance, if necessary, you might specify the SQL Server cluster name as VIRTUAL SERVER NAME\INSTANCE NAME
6
To save the settings, click OK.
7
Optionally, if you anticipate having to create more backup jobs or modify existing backup jobs on the secondary nodes, perform the following steps:
a
Fail over the primary node to the secondary node.
b
Repeat Step 1 through Step 6.
c
Fail back to the primary node.

If your environment uses multiple Virtual Servers in the same failover cluster, create a NetVault Backup Virtual Client for each Virtual SQL Server, and complete the previous steps for each Virtual Client you created.

Configuring the Virtual Client for an AlwaysOn Availability Group deployment
1
In the Navigation pane, click Create Backup Job, and click Create New next to the Selections list.
2
In the selection tree, open the newly created Virtual Client.
3
Double-click Plug‑in for SQL Server.
4
In the Configure dialog box, enter the credentials of the domain user that is used as the default user for accessing SQL Server Instances in the group.
5
Complete the applicable fields. For more information, see Configuring authentication details.
* 
IMPORTANT: In addition to the initial configuration, you can also enter SQL Server Instance configuration details in the NetVault Backup Virtual Client. You can enter this information at the All Instances level or at the individual instance level. This process works the same way as described in Configuring authentication details.
6
To save the settings, click OK.

Configuring plug-in options

The settings described in the following topic apply to all backup and restore jobs and to individual clients. Additional logon settings are also available; for more information, see Entering logon credentials for all instances on a client and Entering default logon credentials for a specific SQL Server Instance.

1
Access the Configure dialog box.
•
For standalone clients or clients included in an AlwaysOn Availability Group:
a
In the Navigation pane, click Change Settings.
b
Click Server Settings or Client Settings, as applicable.
c
If you selected Client Settings, select the applicable client, and click Next.
d
On the Settings page, click Plugin Options.
e
Locate the Plug‑in for SQL Server section of the dialog box.
•
For Virtual Clients used in a failover cluster:
a
In the Navigation pane, click Create Backup Job, and click Create New next to the Selections list.
b
In the selection tree, open the applicable Virtual Client.
c
Select the Plug‑in for SQL Server node.
d
From the Actions list, select Configure.
2
Complete the applicable fields:
•
Error Encountered During Checksum: SQL Server® lets you specify the action that should be taken if an error is encountered when performing checksums on backups and restores. You can specify the default action to take on encountering checksum errors by selecting one of the following two options from the list:
•
Continue after error: This option is the default set during the plug-in installation. With this value selected, the backup or restore job continues in spite of checksum errors.
•
Stop on error: Select this option to set it as the default action. With this value selected, the backup or restore job stops when a checksum error is encountered.
•
New Database Found in Differential/Incremental Backup: This field applies only to Online VDI backups. If a new database is found while performing Transaction Log or Differential Database backups and the Instance Node is selected on the NetVault Backup Selections page, you can ignore it or take a full backup. You can set this action globally for all Transaction Log and Differential Database backups by selecting the applicable action from the list:
•
Do full database backup: This option is the default set during the plug-in installation. Retain this option to perform a full backup of all databases added since the last Full Database backup.
•
Ignore: Select this option to ignore databases created since the last Full Database backup; that is, databases created after the last backup are left out of the Transaction Log or Differential Database backup.
•
Undo file for Standby Restores: For performing Standby Restores, the plug-in requires a temporary Undo File. It is required only when the Action After Restore field is set to With STANDBY.
Specify the directory path for the temporary UNDO.DAT file in this field.
•
Incomplete Backup of ALL Items Selected: The plug-in can do one of the following when this error condition occurs:
•
Complete with Warnings — Saveset Retained: The job returns a status of “Backup Completed with warnings” and a backup saveset is created that includes the items that were successfully backed up.
•
Complete without Warnings — Saveset Retained: The job completes and returns a status of “Backup Completed.” The errors are logged in the NetVault Backup binary logs and ignored on the Job Status page. A backup saveset is created that includes the items that were backed up.
•
Fail — Saveset Retained: The job returns a status of “Backup Failed.” However, a backup saveset is generated that includes the items that were successfully backed up.
•
Fail — No Saveset Retained: The job returns a status of “Backup Failed” and no saveset of backed-up objects is kept. That is, even if some of the objects were successfully backed up, the saveset is discarded.
If either of the following occurs, the plug-in overrides the Incomplete Backup of ALL Items Selected setting and responds as indicated:
•
If a fatal error occurs, the job returns a “Backup Failed” status.
•
If a Partial Database or Differential Partial Database backup is performed on a database whose backup target contains a read-only filegroup, the job returns a “Backup Completed with warnings” status.
•
Media Format during VSS Restores: Enter MTF, CPIO, or Default, or leave the field blank.
•
MTF, Default, or blank: If the backup target is tape-based, the plug-in always uses the MTF format. This behavior is used even if a tape target uses Linux® or UNIX®. MTF is always acceptable for restoring from a backup produced by this version and recent versions of the plug-in. You do not have to enter this setting. Entering Default or leaving the field blank is the equivalent of entering MTF.
•
CPIO: Do not use this setting unless instructed to do so by Quest Support. Quest might ask you to use this setting to restore a backup created and written to a Linux-based tape target with a previous version of the plug-in.
 
* 
IMPORTANT: Quest recommends that you leave this option blank and let NetVault Backup determine the format to use. Only change this option if you need to override the default format during a restore from tape that failed. For more information, see Troubleshooting.
3
To save the settings, click Apply.
4
If you are configuring the clients for an AlwaysOn Availability Group, repeat the preceding steps for each client in the group.

Entering logon credentials for all instances on a client

If all instances use the same logon credentials, use this procedure to specify the default credentials. The plug-in also lets you omit the name and password and use the Log on as account information defined for the NetVault Process Manager service.

1
In the Navigation pane, click Create Backup Job, and click Create New next to the Selections list.
2
In the selection tree, open the applicable client node.
The client node can be a standalone server or Virtual Client.
3
Double-click Plug‑in for SQL Server.
4
Select the All Instances node.
5
From the Actions list, select Configure.
6
Complete the applicable fields:
•
Logon security mode: Based on the Authentication Mode set for the SQL Server Instance, you can specify either a Windows® Administrator or a SQL Server Administrator account. To specify a Windows Administrator account, select Windows. For a SQL Server Administrator account, select SQL Server.
 
* 
IMPORTANT: You can only select SQL Server if the SQL Server Authentication Mode is set to Mixed Mode/SQL Authentication.
•
Login Details: Depending on the option selected in the Logon security mode section, provide the appropriate account information in this section:
•
For Windows authentication, provide the following information:
•
Administrator User Name: Specify either a Local or Domain Windows Administrator user name.
•
Password: Enter the password associated with the user specified in the preceding field.
•
Windows Domain: If a Domain Administrator is specified in the Administrator User Name field, enter the name of the domain. You can leave this field blank if a Local Administrator user name is specified.
•
For SQL Server authentication, provide the following information:
•
Administrator User Name: Specify a SQL Server user with the sysadmin role.
•
Password: Enter the password associated with the user specified in the preceding field.
7
To save the settings, click OK.

Configuring an instance at all instances level on a client

The Add Instance option in the Actions list helps to add instance under All Instances node. This option is available if the All Instances node is selected. This option is similar to the Configure option; however, this option lets you specify the exact name of an SQL Server instance.

1
In the Navigation pane, click Create Backup Job, and click Create New next to the Selections list.
2
In the selection tree, open the applicable client node.
The client node can be a standalone server or Virtual Client.
3
Double-click Plug‑in for SQL Server.
4
Select the All Instances node.
5
From the Actions list, select Add Instance.
6
Complete the applicable fields:
•
Logon security mode: Based on the Authentication Mode set for the SQL Server Instance, you can specify either a Windows® Administrator or a SQL Server Administrator account. To specify a Windows Administrator account, select Windows. For a SQL Server Administrator account, select SQL Server.
 
* 
IMPORTANT: You can only select SQL Server if the SQL Server Authentication Mode is set to Mixed Mode/SQL Authentication.
•
Login Details: Depending on the option selected in the Logon security mode section, provide the appropriate account information in this section:
•
For Windows authentication, provide the following information:
•
Administrator User Name: Specify either a Local or Domain Windows Administrator user name.
•
Password: Enter the password associated with the user specified in the preceding field.
•
Windows Domain: If a Domain Administrator is specified in the Administrator User Name field, enter the name of the domain. You can leave this field blank if a Local Administrator user name is specified.
•
For SQL Server authentication, provide the following information:
•
Administrator User Name: Specify a SQL Server user with the sysadmin role.
•
Password: Enter the password associated with the user specified in the preceding field.
•
Instance Name: Type the name of the instance to configure. If it is a named instance, type the full instance name.
7
To save the settings, click OK.
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