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NetVault Plug-in for MySQL 12.2.1 - User Guide

Introducing NetVault Backup Plug-in for MySQL Installing and removing the plug-in Configuring the plug-in Backing up data Restoring data Working with native MySQL replication Using the plug-in in a Failover Cluster environment Troubleshooting

Recovering to an alternate MySQL Server

Similar to the plug-in’s ability to restore databases or individual tables to a different MySQL Instance on the same MySQL Server, you can target a different MySQL Server during the restore process. This option is used during disaster recovery operations.

To accomplish this process, perform the steps outlined in the following topics.

Before conducting a relocation restore to a different MySQL Server, review this list of known limitations and intended uses for this operation.

The following prerequisites must be met before a restore of this type can be set up and run.

Existing and target machines must have the same Installation configurations: Both machines must have the following established, regarding MySQL:
NetVault Backup software and Plug‑in for MySQL installed on all clients: NetVault Backup, Client or Server version, and the plug-in must be installed and configured on both machines in use for this process, that is, the existing MySQL machine and the new restore target.
All Client machines added to the NetVault Backup Server: With all software installation requirements met, the target NetVault Backup Client machines must be added to the NetVault Backup Server through the NetVault Backup WebUI, that is, the existing MySQL machine and the new restore target.
Instance of MySQL must exist on the new restore target: The relocation process requires that an instance of MySQL exists on the new restore target. This instance serves as the target of the relocation restore. This instance must be properly set up and configured in MySQL, and you must add it to the plug-in on the new restore target — follow the steps outlined in Configuring the plug-in.
IMPORTANT: Note the following values in the instance’s Configure dialog box on the new restore target: Username, Password, and Instance Name.

During setup of a relocation restore, the plug-in requires that you enter these values on the Options tab to gain proper access to the targeted MySQL Instance.

Running the restore

With the prerequisites met, perform the following steps to restore a MySQL backup to a different machine.

On the Create Restore Job — Choose Saveset page, select Plug‑in for MySQL from the Plugin Type list.
When you select a saveset, the following details are displayed in the Saveset Information area: Job ID, Job Title, server name, client name, plug-in name, saveset date and time, retirement setting, Incremental Backup or not, Archive or not, saveset size, and snapshot-based backup or not.
Click Next.
On the Create Selection Set page, select the data that you want to restore.
With the applicable databases selected, click Edit Plugin Options, and then click the Restore Destination tab.
In the Restore Destination Details section, enter the following:
Username: Enter the user name established for the target instance on the new restore target, that is, what was set up in the Username field of the Configure dialog box.
Password: Enter the password established for the target instance on the new restore target.
Instance Name: Enter the NetVault Backup name established for the target instance of MySQL on the new restore target.
To save the settings, click Ok, and then click Next.
In Job Name, specify a name for the job if you do not want to use the default setting.
In the Target Client list, select the machine on which you want to restore the data.
TIP: You can also click Choose, and then locate and select the applicable client in the Choose the Target Client dialog box.
Use the Schedule, Source Options, and Advanced Options lists to configure any additional required options.
Click Save or Save & Submit, whichever is applicable.
You can monitor progress on the Job Status page and view the logs on the View Logs page. For more information, see the Quest NetVault Backup Administrator’s Guide.

Working with native MySQL replication

Using the plug-in in a native environment: an overview

When you are using replication, all updates to the tables that are replicated should be performed on the master server. Otherwise, you must avoid conflicts between updates that users make to tables on the master and updates that they make to tables on the slave.

Replication offers benefits for robustness, speed, and system administration:

Plug‑in for MySQL supports backup and recovery of single-master replication environments.

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