docker 持久化存储

[root@localhost ~]# docker run --name mysql -p 3306:3306 -v /mysql（主机上的目录）:/var/lib/mysql（容器内部目录） -d hub.c.163.com/public/centos:6.7-tools
[root@localhost ~]# docker exec -it mysql /bin/bash
[root@0534fd344f72 /]# yum -y install mysql mysql-server
[root@0534fd344f72 /]# service mysqld start
[root@0534fd344f72 /]# exit
exit
[root@localhost ~]# cd /mysql/
[root@localhost mysql]# ls
ibdata1  ib_logfile0  ib_logfile1  mysql  mysql.sock  test

[root@localhost mysql]# docker exec -it mysql /bin/bash
[root@0534fd344f72 /]# mysqladmin -uroot password 123
[root@0534fd344f72 /]#  mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 4
Server version: 5.1.73 Source distribution

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement.

mysql> create database aa;
Query OK, 1 row affected (0.00 sec)

mysql> use aa;
Database changed
mysql> create table a1 (id int,name char(30));
Query OK, 0 rows affected (0.01 sec)

mysql> select * from a1;
Empty set (0.00 sec)

mysql> insert into a1 values (1,"lishi");
Query OK, 1 row affected (0.00 sec)

mysql> select * from a1;                 
+------+-------+
| id   | name  |
+------+-------+
|    1 | lishi |
+------+-------+
1 row in set (0.00 sec)
mysql> select * from aa.a1;
+------+-------+
| id   | name  |
+------+-------+
|    1 | lishi |
+------+-------+
1 row in set (0.00 sec)

[root@localhost mysql]# cd /mysql/
[root@localhost mysql]# ls
aa  ibdata1  ib_logfile0  ib_logfile1  mysql  mysql.sock  test

[root@localhost mysql]# cd aa
[root@localhost aa]# ls
a1.frm  a1.MYD  a1.MYI  db.opt
a1.frm    存放表结构，a1.MYD    存储数据，   a1.MYI    索引，  db.opt    数据库相关信息，在这个库下的一些特殊信息存在这里。