You can run a full backup operation to back up SQL databases on an Azure cloud.
Limitations
By default, the Commvault software skips backing up Azure SQL databases with sizes larger than 2 TB. This limitation arises because very large databases have a high rate of failure due to Azure's limitations, especially when the data export operation to the Azure cloud exceeds 20 hours. For more information, see Export to a BACPAC file - Azure SQL Database and Azure SQL Managed Instance.
To override this default behavior, enter the maximum size of the Azure SQL database (in GB) that can be protected, in the nAzureSQLDBMaxSizeForExportInGB setting, for the applicable access node. For more information on configuring settings, see Adding a Setting for Servers. The backup jobs do not include any database with a size larger than this threshold.
Procedure
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From the navigation pane, go to Protect > Databases.
The Overview page appears.
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On the Instances tab, in the row for the Azure SQL database instance that you want to back up, click the action button
, and then click Backup.The Backup options dialog box appears.
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Under Backup level, select Full.
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Click Submit.