RMAN-06479
        warning: control file copy 'string' cannot be found on disk
        
        
        Cause
        The CHANGE CONTROLFILECOPY AVAILABLE command was used, but the control file copy cannot be found on disk.
        Action
        If the storage containing the control file copy has been removed from the host, restore it and retry the command.  If the control file copy is permanently gone, then issue the CHANGE CONTROLFILECOPY DELETE command for this control file.
        
     
    
    
        RMAN-06479
        warning: control file copy 'string' cannot be found on disk
        
        
        Cause
        The CHANGE CONTROLFILECOPY AVAILABLE command was used, but the control file copy cannot be found on disk.
        Action
        If the storage containing the control file copy has been removed from the host, restore it and retry the command.  If the control file copy is permanently gone, then issue the CHANGE CONTROLFILECOPY DELETE command for this control file.
        
     
    
    
        RMAN-06479
        warning: control file copy 'string' cannot be found on disk
        
        
        Cause
        The CHANGE CONTROLFILECOPY AVAILABLE command was used, but the control file copy cannot be found on disk.
        Action
        If the storage containing the control file copy has been removed from the host, restore it and retry the command.  If the control file copy is permanently gone, then issue the CHANGE CONTROLFILECOPY DELETE command for this control file.