Oracle Message ORA-27007 - failed to open file

ERRORfailed to open file
CAUSEsbtopen returned error, additional information indicates error returned from sbtopen, and the function that encountered the error
ACTIONverify that vendors storage subsystem product is operating correctly

585803Restoring the archive log files with RMAN fails
500834Calling SetTapeParameters() fails when backing up with MCNFS
636847 Composite SAP note ORA-19511
1780057Corrections in BR*Tools 7.20 patch 28