ORA-15118
        Oracle ASM disk group string was forcibly dismounted.
        
        
        Cause
        The Oracle Automatic Storage Management (Oracle ASM) disk group to which the I/O request was issued was forcibly dismounted (with the ALTER DISKGROUP DISMOUNT FORCE statement) so that it could not be accessed.
        Action
        Mount the disk group using the ALTER DISKGROUP MOUNT statement to allow access to the disk group again.
        
     
    
    
        ORA-15118
        ASM diskgroup 'string' was forcibly dismounted.
        
        
        Cause
        The diskgroup to which the I/O request was issued was forcibly dismounted (with the ALTER DISKGROUP DISMOUNT FORCE command) so that it could not be accessed.
        Action
        Mount the diskgroup to allow access again.
        
     
    
    
        ORA-15118
        ASM diskgroup 'string' was forcibly dismounted.
        
        
        Cause
        The diskgroup to which the I/O request was issued was forcibly dismounted (with the ALTER DISKGROUP DISMOUNT FORCE command) so that it could not be accessed.
        Action
        Mount the diskgroup to allow access again.