Using NetBackup for SQL Server with database mirroring Impact on recovery
Note: In this example, if backup images had been created exclusively on HostA or on both HostA and HostB, then all of the images from both partners would be viewable from by selecting HostA in the SQL Host dropdown.
To can browse and restore the mirrored database, expand the Accounting database as usual. Restore operations created within a recovery script are created with the redirected script as necessary to the extent that any such operation identifies an image backed up from the mirroring partner.
When you are ready to restore a mirrored database, you must remove the mirroring attribute and then restore the database as usual.