MySQL 5.5 到MySQL 5.6半同步复制（SSL）
数据放在一个raid 1上：
[root@slave1 ~]# yum -y install mdadm
[root@slave1 ~]# mdadm -C /dev/md0 -l1 -n2 /dev/sd{b,c}
[root@slave1 ~]# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sdc[1] sdb[0]
5241844 blocks super 1.2 [2/2] [UU]
[====>................] resync = 23.0% (1207808/5241844) finish=3.6min speed=18452K/sec
unused devices: <none>
[root@slave1 ~]# mdadm -D /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Mon Aug 19 18:51:05 2013
Raid Level : raid1
Array Size : 5241844 (5.00 GiB 5.37 GB)
Used Dev Size : 5241844 (5.00 GiB 5.37 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Mon Aug 19 18:56:02 2013
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : slave1:0 (local to host slave1)
UUID : 88d2d04d:a886df3f:2c2a8a10:247becc5
Events : 17
Number Major Minor RaidDevice State
0 8 16 0 active sync /dev/sdb
1 8 32 1 active sync /dev/sdc
[root@slave1 ~]# mdadm -Ds >> /etc/mdadm.conf
[root@slave1 ~]# cat /etc/mdadm.conf
ARRAY /dev/md0 metadata=1.2 name=slave1:0 UUID=88d2d04d:a886df3f:2c2a8a10:247becc5
[root@slave1 ~]# mkdir /mydata
[root@slave1 ~]# echo "` blkid /dev/md0 | awk '{print $2}'` /mydata/ ext4 defaults 0 0 " >>/etc/fstab
[root@slave1 ~]# mount -a
[root@slave1 ~]# df -PTh | grep md0
/dev/md0 ext4 5.0G 138M 4.6G 3% /mydata
[root@slave1 ~]# yum -y install libaio-devel
[root@slave1 ~]# tar xvf mysql-5.6.10-linux-glibc2.5-i686.tar.gz -C /usr/local/
[root@slave1 ~]# mkdir /mydata/data
[root@slave1 ~]# groupadd -r mysql
[root@slave1 ~]# useradd -g mysql -r -s /sbin/nologin -M -d /mydata/data mysql
[root@slave1 ~]# chown -R mysql:mysql /mydata/data
[root@slave1 ~]# cd /usr/local/
[root@slave1 local]# ln -sv mysql-5.6.10-linux-glibc2.5-i686/ mysql
`mysql' -> `mysql-5.6.10-linux-glibc2.5-i686/'
[root@slave1 local]# chown -R mysql:mysql mysql/*
root@slave1 local]# cd mysql
[root@slave1 mysql]# scripts/mysql_install_db --user=mysql --datadir=/mydata/data
[root@slave1 mysql]# chown -R root .
[root@slave1 mysql]# cp support-files/mysql.server /etc/rc.d/init.d/mysqld
[root@slave1 mysql]# chmod +x /etc/rc.d/init.d/mysqld
[root@slave1 mysql]# chkconfig --add mysqld
[root@slave1 mysql]# ln -sv /usr/local/mysql/bin/mysql /bin/
`/bin/mysql' -> `/usr/local/mysql/bin/mysql'
[root@slave1 mysql]# ln -sv /usr/local/mysql/include /usr/include/mysql
`/usr/include/mysql' -> `/usr/local/mysql/include'
[root@slave1 mysql]# echo '/usr/local/mysql/lib' > /etc/ld.so.conf.d/mysql.conf && ldconfig
[root@master ~]# cp /etc/my.cnf master.cnf
[root@master ~]# cp master.cnf slave.conf
[root@master ~]# vim slave.conf
[root@master ~]# !diff
diff master.cnf slave.conf
54c54
< log-bin=mysql-bin
---
> #log-bin=mysql-bin
57c57
< binlog_format=mixed
---
> #binlog_format=mixed
62c62,63
< server-id = 1
---
> server-id = 11
> replicate_do_db = shop
[root@master ~]# scp slave.conf 10.10.10.62:/etc/my.cnf
[root@slave1 mysql]# service mysqld start
Starting MySQL.... SUCCESS!
[root@slave1 ~]# mysql -e "select version();show databases;"
+------------+
| version() |
+------------+
| 5.6.10-log |
+------------+
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| test |
+--------------------+
master上授权复制用户
mysql> GRANT REPLICATION SLAVE ON *.* TO repluser@'10.10.10.%' IDENTIFIED BY 'redhat'; Query OK, 0 rows affected (0.00 sec) mysql> flush privileges; Query OK, 0 rows affected (0.07 sec)
准备数据：
[root@master ~]# mysqldump -p`cat abc` --master-data=2 shop >shop.sql [root@master ~]# scp shop.sql 10.10.10.62:/root/
这里以注释的方式记下了二进制日志位置，作为后面参考
[root@slave1 ~]# grep -i master shop.sql
-- CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000006', MASTER_LOG_POS=490;
[root@slave1 ~]# mysql -e "create database shop;"
[root@slave1 ~]# mysql shop<shop.sql
mysql> CHANGE MASTER TO
-> MASTER_HOST='10.10.10.61',
-> MASTER_USER='repluser',
-> MASTER_PASSWORD='redhat',
-> MASTER_PORT=3306,
-> MASTER_LOG_FILE='mysql-bin.000006',
-> MASTER_LOG_POS=490,
-> MASTER_CONNECT_RETRY=10;
Query OK, 0 rows affected, 2 warnings (0.30 sec)
mysql> show warnings\G
*************************** 1. row ***************************
Level: Note
Code: 1759
Message: Sending passwords in plain text without SSL/TLS is extremely insecure.
*************************** 2. row ***************************
Level: Note
Code: 1760
Message: Storing MySQL user name or password information in the master.info repository is not secure and is therefore not recommended. Please see the MySQL Manual for more about this issue and possible alternatives.
2 rows in set (0.03 sec)
mysql> start slave;
Query OK, 0 rows affected (0.06 sec)
mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.10.10.61
Master_User: repluser
Master_Port: 3306
Connect_Retry: 10
Master_Log_File: mysql-bin.000006
Read_Master_Log_Pos: 490
Relay_Log_File: slave1-relay-bin.000002
Relay_Log_Pos: 270
Relay_Master_Log_File: mysql-bin.000006
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB: shop
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 490
Relay_Log_Space: 444
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID:
Master_Info_File: /mydata/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.00 sec)
[root@slave1 ~]# mysql -e 'show databases;select user_id,user_name,last_time from shop.ecs_users;'
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| shop |
| test |
+--------------------+
+---------+-----------+---------------------+
| user_id | user_name | last_time |
+---------+-----------+---------------------+
| 1 | ecshop | 0000-00-00 00:00:00 |
| 2 | vip | 0000-00-00 00:00:00 |
| 3 | text | 0000-00-00 00:00:00 |
| 5 | zuanshi | 0000-00-00 00:00:00 |
| 8 | week1 | 2013-08-19 00:00:14 |
| 9 | week2 | 2013-08-20 00:00:06 |
| 10 | week3 | 2013-08-21 00:00:08 |
| 11 | week4 | 2013-08-22 00:00:06 |
| 12 | week5 | 2013-08-23 00:00:03 |
| 13 | week6 | 2013-08-24 00:00:03 |
+---------+-----------+---------------------+
master上插入一条记录：
Master> insert into shop.ecs_users(user_name,last_time) values('week0',now());
Master> select user_id,user_name,last_time from shop.ecs_users;
+---------+-----------+---------------------+
| user_id | user_name | last_time |
+---------+-----------+---------------------+
| 1 | ecshop | 0000-00-00 00:00:00 |
| 2 | vip | 0000-00-00 00:00:00 |
| 3 | text | 0000-00-00 00:00:00 |
| 5 | zuanshi | 0000-00-00 00:00:00 |
| 8 | week1 | 2013-08-19 00:00:14 |
| 9 | week2 | 2013-08-20 00:00:06 |
| 10 | week3 | 2013-08-21 00:00:08 |
| 11 | week4 | 2013-08-22 00:00:06 |
| 12 | week5 | 2013-08-23 00:00:03 |
| 13 | week6 | 2013-08-24 00:00:03 |
| 16 | week0 | 2013-08-25 15:33:53 |
+---------+-----------+---------------------+
11 rows in set (0.00 sec)
从库上查询
[root@slave1 ~]# mysql -e 'select user_id,user_name,last_time from shop.ecs_users;' +---------+-----------+---------------------+ | user_id | user_name | last_time | +---------+-----------+---------------------+ | 1 | ecshop | 0000-00-00 00:00:00 | | 2 | vip | 0000-00-00 00:00:00 | | 3 | text | 0000-00-00 00:00:00 | | 5 | zuanshi | 0000-00-00 00:00:00 | | 8 | week1 | 2013-08-19 00:00:14 | | 9 | week2 | 2013-08-20 00:00:06 | | 10 | week3 | 2013-08-21 00:00:08 | | 11 | week4 | 2013-08-22 00:00:06 | | 12 | week5 | 2013-08-23 00:00:03 | | 13 | week6 | 2013-08-24 00:00:03 | | 16 | week0 | 2013-08-25 15:33:53 | +---------+-----------+---------------------+ Slave1> use test Database changed Slave1> show tables; Empty set (0.00 sec)
可见从库并没有复制Replicate_Do_DB之外的库
binlog_format=mixd不能正确复制的问题;
[root@master ~]# mysql -predhat -e "insert into shop.ecs_users(user_name,last_time) values('week`date +%w`',now());"
[root@master ~]# mysql -predhat -e 'select user_id,user_name,last_time from shop.ecs_users;'
+---------+-----------+---------------------+
| user_id | user_name | last_time |
+---------+-----------+---------------------+
| 1 | ecshop | 0000-00-00 00:00:00 |
| 2 | vip | 0000-00-00 00:00:00 |
| 3 | text | 0000-00-00 00:00:00 |
| 5 | zuanshi | 0000-00-00 00:00:00 |
| 8 | week1 | 2013-08-19 00:00:14 |
| 9 | week2 | 2013-08-20 00:00:06 |
| 10 | week3 | 2013-08-21 00:00:08 |
| 11 | week4 | 2013-08-22 00:00:06 |
| 12 | week5 | 2013-08-23 00:00:03 |
| 13 | week6 | 2013-08-24 00:00:03 |
| 19 | week0 | 2013-08-25 16:01:21 |
+---------+-----------+---------------------+
[root@master ~]# mysql -predhat -e 'show master status;'
+------------------+----------+--------------+------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000007 | 370 | | |
+------------------+----------+--------------+------------------+
[root@slave1 ~]# mysql -e 'select user_id,user_name,last_time from shop.ecs_users;'
+---------+-----------+---------------------+
| user_id | user_name | last_time |
+---------+-----------+---------------------+
| 1 | ecshop | 0000-00-00 00:00:00 |
| 2 | vip | 0000-00-00 00:00:00 |
| 3 | text | 0000-00-00 00:00:00 |
| 5 | zuanshi | 0000-00-00 00:00:00 |
| 8 | week1 | 2013-08-19 00:00:14 |
| 9 | week2 | 2013-08-20 00:00:06 |
| 10 | week3 | 2013-08-21 00:00:08 |
| 11 | week4 | 2013-08-22 00:00:06 |
| 12 | week5 | 2013-08-23 00:00:03 |
| 13 | week6 | 2013-08-24 00:00:03 |
+---------+-----------+---------------------+
[root@slave1 ~]# mysql -e 'show slave status\G'
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.10.10.61
Master_User: repluser
Master_Port: 3306
Connect_Retry: 10
Master_Log_File: mysql-bin.000007
Read_Master_Log_Pos: 370
Relay_Log_File: slave1-relay-bin.000004
Relay_Log_Pos: 529
Relay_Master_Log_File: mysql-bin.000007
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB: shop
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 370
Relay_Log_Space: 742
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID:
Master_Info_File: /mydata/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
解决办法：
[root@master ~]# vim /etc/my.cnf
binlog_format=row
[root@master ~]# service mysqld restart
Shutting down MySQL.... SUCCESS!
Starting MySQL.... SUCCESS!
[root@master ~]# mysql -predhat -e "insert into shop.ecs_users(user_name,last_time) values('week10',now());"
[root@master ~]# mysql -predhat -e 'select user_id,user_name,last_time from shop.ecs_users;'
+---------+-----------+---------------------+
| user_id | user_name | last_time |
+---------+-----------+---------------------+
| 1 | ecshop | 0000-00-00 00:00:00 |
| 2 | vip | 0000-00-00 00:00:00 |
| 3 | text | 0000-00-00 00:00:00 |
| 5 | zuanshi | 0000-00-00 00:00:00 |
| 8 | week1 | 2013-08-19 00:00:14 |
| 9 | week2 | 2013-08-20 00:00:06 |
| 10 | week3 | 2013-08-21 00:00:08 |
| 11 | week4 | 2013-08-22 00:00:06 |
| 12 | week5 | 2013-08-23 00:00:03 |
| 13 | week6 | 2013-08-24 00:00:03 |
| 19 | week0 | 2013-08-25 16:01:21 |
| 20 | week10 | 2013-08-25 16:06:59 |
+---------+-----------+---------------------+
MySQL 5.5 -> MySQL 5.6半同步复制：
安装插件
Master> INSTALL PLUGIN rpl_semi_sync_master SONAME 'semisync_master.so'; Slave1> INSTALL PLUGIN rpl_semi_sync_slave SONAME 'semisync_slave.so';
修改配置文件：
master上 [root@master ~]# vim /etc/my.cnf rpl_semi_sync_master_enabled=ON slave 上 [root@slave1 ~]# vim /etc/my.cnf rpl_semi_sync_slave_enabled=ON
重新读取配置文件
[root@master ~]# service mysqld reload [root@slave1 ~]# service mysqld reload [root@master ~]# mysql -p`cat abc` -e "show global variables like 'rpl_%';" +------------------------------------+-------+ | Variable_name | Value | +------------------------------------+-------+ | rpl_recovery_rank | 0 | | rpl_semi_sync_master_enabled | ON | | rpl_semi_sync_master_timeout | 10000 | | rpl_semi_sync_master_trace_level | 32 | | rpl_semi_sync_master_wait_no_slave | ON | +------------------------------------+-------+ [root@master ~]# mysql -p`cat abc` -e "show global status like 'rpl_%status';" +-----------------------------+-------------+ | Variable_name | Value | +-----------------------------+-------------+ | Rpl_semi_sync_master_status | ON | | Rpl_status | AUTH_MASTER | +-----------------------------+-------------+ [root@slave1 ~]# mysql -e "show global variables like '%rpl%';" +---------------------------------+-------+ | Variable_name | Value | +---------------------------------+-------+ | rpl_semi_sync_slave_enabled | ON | | rpl_semi_sync_slave_trace_level | 32 | +---------------------------------+-------+ [root@slave1 ~]# mysql -e "show global status like 'rpl%';" +----------------------------+-------+ | Variable_name | Value | +----------------------------+-------+ | Rpl_semi_sync_slave_status | ON | +----------------------------+-------+
基于ssl的复制
主服务器上配置CA
修改openssl.cnf配置文件
[root@master ~]# cp /etc/pki/tls/openssl.cnf /etc/pki/tls/openssl.cnf.bak [root@master ~]# sed -i "s/countryName_default.*XX/countryName_default\t\t= CN/g" /etc/pki/tls/openssl.cnf [root@master ~]# sed -i "s/#stateOrProvinceName_default.*Province/stateOrProvinceName_default\t= shanghai/g" /etc/pki/tls/openssl.cnf [root@master ~]# sed -i "s/localityName_default.*City/localityName_default\t= shanghai/g" /etc/pki/tls/openssl.cnf [root@master ~]# sed -i "s/0.organizationName_default.*/0.organizationName_default\t= SanYu/g" /etc/pki/tls/openssl.cnf [root@master ~]# sed -i "s/#organizationalUnitName_default.*=/organizationalUnitName_default\t= Tech/g" /etc/pki/tls/openssl.cnf [root@master ~]# (umask 077 ;openssl genrsa -out /etc/pki/CA/private/cakey.pem 2048) Generating RSA private key, 2048 bit long modulus ......................................................................................................................+++ ........+++ e is 65537 (0x10001) [root@master ~]# openssl req -new -x509 -key /etc/pki/CA/private/cakey.pem -out /etc/pki/CA/cacert.pem You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [CN]: State or Province Name (full name) [shanghai]: Locality Name (eg, city) [shanghai]: Organization Name (eg, company) [SanYu]: Organizational Unit Name (eg, section) [Tech]: Common Name (eg, your name or your server's hostname) []:master.sanyu.com Email Address []:[email protected] [root@master ~]# touch /etc/pki/CA/index.txt [root@master ~]# touch /etc/pki/CA/serial [root@master ~]# echo 01 >> /etc/pki/CA/serial [root@master ~]# mkdir /usr/local/mysql/ssl [root@master ~]# cd /usr/local/mysql/ssl/ [root@master ssl]# openssl req -new -key mysql.key -out mysql.csr [root@master ~]# (umask 077;openssl genrsa -out /usr/local/mysql/ssl/mysql.key 1024) [root@master ssl]# openssl ca -in mysql.csr -out mysql.crt -days 365 [root@master ssl]# chown -R mysql.mysql ../ssl/ [root@master ssl]# ll total 16 -rw-r--r-- 1 mysql mysql 1424 Aug 25 18:24 cacert.pem -rw-r--r-- 1 mysql mysql 3853 Aug 25 18:24 mysql.crt -rw-r--r-- 1 mysql mysql 700 Aug 25 18:23 mysql.csr -rw------- 1 mysql mysql 887 Aug 25 18:19 mysql.key
从服务器上：
[root@slave1 ~]# mkdir /usr/local/mysql/ssl [root@slave1 ~]# cd !$ cd /usr/local/mysql/ssl [root@slave1 ssl]# (umask 077;openssl genrsa -out mysql.key 1024) [root@slave1 ssl]# openssl req -new -key mysql.key -out mysql.csr [root@slave1 ssl]# scp mysql.csr 10.10.10.61:/root/
主服务器上CA为从服务器颁发证书
[root@master ~]# openssl ca -in mysql.csr -out mysql.crt
Using configuration from /etc/pki/tls/openssl.cnf
Check that the request matches the signature
Signature ok
Certificate Details:
Serial Number: 2 (0x2)
Validity
Not Before: Aug 25 10:31:59 2013 GMT
Not After : Aug 25 10:31:59 2014 GMT
Subject:
countryName = CN
stateOrProvinceName = shanghai
organizationName = SanYu
organizationalUnitName = Tech
commonName = slave1.sanyu.com
emailAddress = [email protected]
X509v3 extensions:
X509v3 Basic Constraints:
CA:FALSE
Netscape Comment:
OpenSSL Generated Certificate
X509v3 Subject Key Identifier:
06:E8:D4:87:31:21:DF:38:CE:01:42:D7:7E:16:D3:2A:4D:94:0C:1C
X509v3 Authority Key Identifier:
keyid:41:8B:3D:9A:D6:7E:63:A3:10:53:64:B4:B2:D9:E1:ED:3C:5E:5B:96
Certificate is to be certified until Aug 25 10:31:59 2014 GMT (365 days)
Sign the certificate? [y/n]:y
1 out of 1 certificate requests certified, commit? [y/n]y
Write out database with 1 new entries
Data Base Updated
[root@master ~]# scp mysql.crt /etc/pki/CA/cacert.pem 10.10.10.62:/usr/local/mysql/ssl/
[root@slave1 ssl]# chown -R mysql.mysql ../ssl/
修改my.conf启用ssl
[root@master ~]# grep ssl /etc/my.cnf ssl-ca=/usr/local/mysql/ssl/cacert.pem ssl-key=/usr/local/mysql/ssl/mysql.key ssl-cert=/usr/local/mysql/ssl/mysql.crt [root@slave1 ssl]# grep ssl /etc/my.cnf ssl-ca=/usr/local/mysql/ssl/cacert.pem ssl-key=/usr/local/mysql/ssl/mysql.key ssl-cert=/usr/local/mysql/ssl/mysql.crt [root@master ssl]# service mysqld restart [root@slave1 ssl]# service mysqld restart mysql> show variables like '%ssl%'; +---------------+---------------------------------+ | Variable_name | Value | +---------------+---------------------------------+ | have_openssl | YES | | have_ssl | YES | | ssl_ca | /usr/local/mysql/ssl/cacert.pem | | ssl_capath | | | ssl_cert | /usr/local/mysql/ssl/mysql.crt | | ssl_cipher | | | ssl_key | /usr/local/mysql/ssl/mysql.key | +---------------+---------------------------------+
重新授权复制用户
Master>revoke REPLICATION SLAVE ON *.* from 'repluser'@'10.10.10.%';
Master> GRANT REPLICATION SLAVE ON *.* TO 'repluser'@'10.10.10.%' IDENTIFIED BY 'redhat' require ssl;
Master> flush privileges;
Slave1> CHANGE MASTER TO
-> MASTER_HOST='10.10.10.61',
-> MASTER_USER='repluser',
-> MASTER_PASSWORD='redhat',
-> MASTER_LOG_FILE='mysql-bin.000017',
-> MASTER_LOG_POS=484,
-> MASTER_SSL=1,
-> MASTER_SSL_CA='/usr/local/mysql/ssl/cacert.pem',
-> MASTER_SSL_CAPATH='/usr/local/mysql/ssl',
-> MASTER_SSL_CERT='/usr/local/mysql/ssl/mysql.crt',
-> MASTER_SSL_KEY='/usr/local/mysql/ssl/mysql.key';
Query OK, 0 rows affected, 2 warnings (0.34 sec)
Slave1> start slave;
Query OK, 0 rows affected (0.07 sec)
Slave1> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.10.10.61
Master_User: repluser
Master_Port: 3306
Connect_Retry: 10
Master_Log_File: mysql-bin.000017
Read_Master_Log_Pos: 484
Relay_Log_File: slave1-relay-bin.000002
Relay_Log_Pos: 266
Relay_Master_Log_File: mysql-bin.000017
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB: shop
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 484
Relay_Log_Space: 436
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: Yes
Master_SSL_CA_File: /usr/local/mysql/ssl/cacert.pem
Master_SSL_CA_Path: /usr/local/mysql/ssl
Master_SSL_Cert: /usr/local/mysql/ssl/mysql.crt
Master_SSL_Cipher:
Master_SSL_Key: /usr/local/mysql/ssl/mysql.key
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID:
Master_Info_File: /mydata/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl: /usr/local/mysql/ssl/cacert.pem
Master_SSL_Crlpath: /usr/local/mysql/ssl
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.01 sec)
主从数据不一致导致复制中止如何跳过错误
由于某些原因主库上某些记录从服务器上没有，主库上对这些数据做操作时从库不能正确执行，如果影响不大可以直接跳过错误继续执行
mysql> show slave status \G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.10.10.61
Master_User: repluser
Master_Port: 3306
Connect_Retry: 10
Master_Log_File: mysql-bin.000015
Read_Master_Log_Pos: 1485
Relay_Log_File: slave1-relay-bin.000025
Relay_Log_Pos: 270
Relay_Master_Log_File: mysql-bin.000015
Slave_IO_Running: Yes
Slave_SQL_Running: No
Replicate_Do_DB: shop
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 1032
Last_Error: Could not execute Delete_rows_v1 event on table shop.ecs_users; Can't find record in 'ecs_users', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000015, end_log_pos 1255
Skip_Counter: 0
Exec_Master_Log_Pos: 107
Relay_Log_Space: 1822
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 1032
Last_SQL_Error: Could not execute Delete_rows_v1 event on table shop.ecs_users; Can't find record in 'ecs_users', Error_code: 1032; handler error HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.000015, end_log_pos 1255
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID:
Master_Info_File: /mydata/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State:
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp: 130826 09:58:50
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.01 sec)
先暂停复制
mysql> STOP SLAVE; Query OK, 0 rows affected (0.08 sec)
跳过发生错误的event
mysql> SET GLOBAL SQL_SLAVE_SKIP_COUNTER = 1; Query OK, 0 rows affected (0.00 sec)
再次开始复制
mysql> START SLAVE;
Query OK, 0 rows affected (0.04 sec)
mysql> show slave status \G
*************************** 1. row ***************************
Slave_IO_State: Connecting to master
Master_Host: 10.10.10.61
Master_User: repluser
Master_Port: 3306
Connect_Retry: 10
Master_Log_File: mysql-bin.000015
Read_Master_Log_Pos: 1485
Relay_Log_File: slave1-relay-bin.000025
Relay_Log_Pos: 1648
Relay_Master_Log_File: mysql-bin.000015
Slave_IO_Running: Connecting
Slave_SQL_Running: Yes
Replicate_Do_DB: shop
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 1485
Relay_Log_Space: 1822
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: NULL
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID:
Master_Info_File: /mydata/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.01 sec)