innodb存储引擎修改表共享空间为独立空间

mysql> show variables like '%per_table%';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| innodb_file_per_table | OFF |
+-----------------------+-------+
1 row in set (0.00 sec)

/etc/init.d/mysqld s

innodb-file-per-table=1

mysqldump -u tg -p tg >/home/6fan/tg.sql;

cd /var/lib/mysql //数据库文件位置
rm -f ib //删除日志和空间
rm -rf tg //删除使用innodb引擎的数据库文件夹

111231 20:54:44 InnoDB: Log file ./ib_logfile0 did not exist: new to be created
InnoDB: Setting log file ./ib_logfile0 size to 512 MB
InnoDB: Database physically writes the file full: wait...
InnoDB: Progress in MB: 100 200 300 400 500
111231 20:54:50 InnoDB: Log file ./ib_logfile1 did not exist: new to be created
InnoDB: Setting log file ./ib_logfile1 size to 512 MB
InnoDB: Database physically writes the file full: wait...
InnoDB: Progress in MB: 100 200 300 400 500
InnoDB: Cannot initialize created log files because
InnoDB: data files are corrupt, or new data files were
InnoDB: created when the database was started previous
InnoDB: time but the database was not shut down
InnoDB: normally after that.
111231 20:54:55 [ERROR] Plugin 'InnoDB' init function returned error.
111231 20:54:55 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
111231 20:54:55 [Note] Event Scheduler: Loaded 0 events

/etc/init.d/mysqld start

mysql -u root -p < /home/6fan/tg.sql

mysql> show variables like '%per_table%';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| innodb_file_per_table | ON |
+-----------------------+-------+
1 row in set (0.00 sec)
//查看数据库目录下的文件
[root@localhost tg]# ll
总用量 544
-rw-rw----. 1 mysql mysql 65 12月 31 22:48 db.opt
-rw-rw----. 1 mysql mysql 8658 12月 31 22:49 gb.frm
-rw-rw----. 1 mysql mysql 98304 12月 31 22:49 gb.ibd
-rw-rw----. 1 mysql mysql 8658 12月 31 22:49 qr.frm
-rw-rw----. 1 mysql mysql 98304 12月 31 22:49 qr.ibd
-rw-rw----. 1 mysql mysql 8658 12月 31 22:49 qy.frm
-rw-rw----. 1 mysql mysql 98304 12月 31 22:49 qy.ibd
-rw-rw----. 1 mysql mysql 8658 12月 31 22:49 tg.frm
-rw-rw----. 1 mysql mysql 98304 12月 31 22:49 tg.ibd
-rw-rw----. 1 mysql mysql 8658 12月 31 22:49 xcy.frm
-rw-rw----. 1 mysql mysql 98304 12月 31 22:49 xcy.ibd