教改复制mysql> show variables like %dir%;   +----------------------------+----------------------------+   | Variable_name | Value |   +----------------------------+----------------------------+   | basedir | / |    | character_sets_dir | /usr/share/mysql/charsets/ |    | datadir | /data/mysql/ |    | innodb_data_home_dir | |    | innodb_log_arch_dir | |    | innodb_log_group_home_dir | ./ |    | innodb_max_dirty_pages_pct | 90 |    | slave_load_tmpdir | /tmp/ |    | tmpdir | /tmp/ |    +----------------------------+----------------------------+  1.2.3.4.5.6.7.8.9.10.11.12.13.14.