Rerunning this job will back up this data source to a new tape. If you want all data sources in this protection group to ...

Rerunning this job will back up this data source to a new tape. If you want all data sources in this protection group to be backed up to the same tape, click the Alerts tab, select one of the backup to tape failure alerts for this protection group, and then in the Details for the alert, click "Re-run backup to tape job". 

Do you want to back up this data source to a new tape?