What about parsing the xtrabackup and mysqld options separately, in the way it's currently done in innobackupex? This way we can ignore all the unknown options from the [mysqld] section in my.cnf, but don't allow typos in the command line or the [xtrabackup] section in my.cnf.
What about parsing the xtrabackup and mysqld options separately, in the way it's currently done in innobackupex? This way we can ignore all the unknown options from the [mysqld] section in my.cnf, but don't allow typos in the command line or the [xtrabackup] section in my.cnf.