mysql_enable="YES"
mysql_dbdir="/db/mysql"
# mysql_args="--skip-grant-tables \
--skip-networking" # for resetting the root password

$ ps aux
/usr/local/libexec/mysqld \
--defaults-extra-file=/db/mysql/my.cnf \
--basedir=/usr/local \
--datadir=/db/mysql

mysql> SHOW VARIABLES LIKE '%datadir%';
+---------------+------------+
| Variable_name | Value      |
+---------------+------------+
| datadir       | /db/mysql/ |
+---------------+------------+

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