You can restore an Azure table for Cassandra API to the same or a different Cosmos DB account in your Azure subscription. You can also restore the tables with the same name or a different name.
Procedure
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From the navigation pane, go to Protect > Databases.
The Instances page appears.
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In the row for the instance that you want to back up, click the action button
, and then click Restore.The Backup content page appears.
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Select the restore copy.
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To perform restore from the default copy, from the Restore from default copy list, select Restore from default copy.
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To perform restore from the primary copy, from the Restore from default copy list, select Restore from primary.
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Select the backups to restore.
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To use the latest backup, from the Showing latest backup list, select Show latest backup.
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To use a backup from a specific date, from the Showing latest backup list, select Show backup as of a specific date.
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To use a backup from a specific date range, from the Showing latest backup list, select Show backup for a date range.
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Select the data that you want to restore.
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To restore all of the data, select the check box next to Cosmos DB account name.
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To restore individual tables, click on the Cosmos DB account name and then select the check box next to each table that you want to restore.
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Click Restore.
The Restore options dialog box appears.
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To select a destination cloud account (which could be a different subscription) where you want to restore the data, select a cloud account from Destination cloud account list.
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To select a Cosmos DB account where you want to restore all the tables, move the Redirect all Tables toggle key to right.
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To adjust the write throughput on the destination Cosmos DB container to increase the throughput for the duration of the restore, move Adjust write throughput toggle key to the right.
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In the Number of parallel writers box, enter the number of streams to use.
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To restore tables that already exist on the destination, move the Overwrite destination tables toggle key to the right.
If you do not enable this setting and a table already exists on the destination, the restore might fail.
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To restore a table with a different name, under Content, in the Actions column, click the Edit button for the table.
The Edit dialog box appears.
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In the Destination Keyspace box, enter a destination keyspace for data replication of nodes.
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Click OK.
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Click Submit.