반응형
mysql 5.7 replication 설정
DB | IP | 비고 |
master | 192.168.0.100 | |
slave | 192.168.0.101 | |
slave | 192.168.0.102 |
mysql my.cnf 편집
[마스터]
- server_id = 1
- log-bin = mysql-bin.log
vim /etc/my.cnf
[client]
default-character-set = utf8
[mysqld]
server_id = 1
log-bin = mysql-bin.log
binlog_cache_size = 2M
max_binlog_size = 512M
expire_logs_days = 7
log-bin-trust-function-creators = 1
#binlog_do_db = wwwdb
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
symbolic-links=0
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
[mysqldump]
default-character-set = utf8
[mysql]
default-character-set = utf8
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
systemctl restart mysqld
[슬레이브]
- server_id = 2
- log-bin = mysql-bin.log
- relay-log = mysql-relay-bin.log
- expire_logs_days = 7
- max_binlog_size = 512M
vim /etc/my.cnf
[client]
default-character-set = utf8
[mysqld]
server_id = 2
log-bin = mysql-bin.log
relay-log = mysql-relay-bin.log
expire_logs_days = 7
max_binlog_size = 512M
#binlog_do_db = wwwdb
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
symbolic-links=0
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
[mysqldump]
default-character-set = utf8
[mysql]
default-character-set = utf8
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
systemctl restart mysqld
mysql replication SQL 설정
REPLICATION 유저 생성 및 권한 부여(master/slave)
- CREATE USER 'ID'@'IPADDR' IDENTIFIED BY 'PASSWORD';
- GRANT REPLICATION SLAVE ON *.* TO 'ID';
create user 'repl'@'%' identified by 'Repl11@@@';
grant replication slave on *.* to 'repl';
flush privileges;
mysql> create user 'repl'@'%' identified by 'Repl11@@@';
mysql> grant replication slave on *.* to 'repl';
mysql> flush privileges;
생성된 유저 조회
mysql -uroot -p'password1!' mysql -e "select user, host from user;"
$ mysql -uroot -p'password1!' mysql -e "select user, host from user;"
mysql: [Warning] Using a password on the command line interface can be insecure.
+-----------+-----------+
| user | host |
+-----------+-----------+
| repl | % |
| mysql.sys | localhost |
| root | localhost |
+-----------+-----------+
####GRANT REPLICATION SLAVE ON *.* TO 'ID'@'IPADDR' IDENTIFIED BY 'PASSWORD';
728x90
mysql sql 설정
[마스터 설정]
log_bin 로그 경로 확인
mysql -uroot -p'password1!' -e "show variables like '%log_bin%';"
#SHELL 모드
$ mysql -uroot -p'password1!' -e "show variables like '%log_bin%';"
mysql: [Warning] Using a password on the command line interface can be insecure.
+---------------------------------+--------------------------------+
| Variable_name | Value |
+---------------------------------+--------------------------------+
| log_bin | ON |
| log_bin_basename | /var/lib/mysql/mysql-bin |
| log_bin_index | /var/lib/mysql/mysql-bin.index |
| log_bin_trust_function_creators | ON |
| log_bin_use_v1_row_events | OFF |
| sql_log_bin | ON |
+---------------------------------+--------------------------------+
- SQL 모드
show variables like '%log_bin%';
마스터 서버 상태 확인
mysql -uroot -p'password1!' -e "SHOW MASTER STATUS;"
#SHELL 모드
$ mysql -uroot -p'password1!' -e "SHOW MASTER STATUS;"
mysql: [Warning] Using a password on the command line interface can be insecure.
+------------------+----------+--------------+------------------+-------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql-bin.000002 | 1285 | | | |
+------------------+----------+--------------+------------------+-------------------+
- SQL 모드
SHOW MASTER STATUS;
[슬레이브 설정]
log_bin 로그 경로 확인
mysql -uroot -p'password1!' -e "show variables like '%log_bin%';"
#SHELL 모드
$ mysql -uroot -p'password1!' -e "show variables like '%log_bin%';"
mysql: [Warning] Using a password on the command line interface can be insecure.
+---------------------------------+--------------------------------+
| Variable_name | Value |
+---------------------------------+--------------------------------+
| log_bin | ON |
| log_bin_basename | /var/lib/mysql/mysql-bin |
| log_bin_index | /var/lib/mysql/mysql-bin.index |
| log_bin_trust_function_creators | OFF |
| log_bin_use_v1_row_events | OFF |
| sql_log_bin | ON |
+---------------------------------+--------------------------------+
- SQL 모드
show variables like '%log_bin%';
Slave - Master 연결하기 위한 설정(리플리케이션 설정)
STOP SLAVE;
RESET SLAVE;
CHANGE MASTER TO MASTER_HOST='192.168.0.100',MASTER_USER='repl', MASTER_PASSWORD='Repl11@@@', MASTER_LOG_FILE='mysql-bin.000002', MASTER_LOG_POS=1285;
mysql> CHANGE MASTER TO MASTER_HOST='192.168.0.100',MASTER_USER='repl', MASTER_PASSWORD='Repl11@@@', MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=154;
Query OK, 0 rows affected, 2 warnings (0.00 sec)
Replication 시작
START SLAVE;
슬레이브 서버 상태 확인
- Master_Host: 192.168.00.100
- Master_User: repl
- Master_Port: 3306
- Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
- Slave_IO_Running: Yes
- Slave_SQL_Running: Yes
mysql> START SLAVE;
Query OK, 0 rows affected (0.00 sec)
mysql> SHOW SLAVE STATUS\G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 192.168.0.100
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000002
Read_Master_Log_Pos: 1285
Relay_Log_File: mysql-relay-bin.000002
Relay_Log_Pos: 1451
Relay_Master_Log_File: mysql-bin.000002
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
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: 1285
Relay_Log_Space: 1658
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: e7a4c0da-0661-11ec-a549-000c2986d295
Master_Info_File: /var/lib/mysql/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
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
Replicate_Rewrite_DB:
Channel_Name:
Master_TLS_Version:
1 row in set (0.00 sec)
ERROR:
No query specified
리플리케이션 상태 확인
master 서버
mysql -uroot -p'password1!' -e "show full processlist\G;"
$ mysql -uroot -p'password1!' -e "show full processlist\G;"
mysql: [Warning] Using a password on the command line interface can be insecure.
*************************** 1. row ***************************
Id: 5
User: repl
Host: sdb1:34422
db: NULL
Command: Binlog Dump
Time: 5187
State: Master has sent all binlog to slave; waiting for more updates
Info: NULL
*************************** 2. row ***************************
Id: 6
User: repl
Host: sdb2:33172
db: NULL
Command: Binlog Dump
Time: 5185
State: Master has sent all binlog to slave; waiting for more updates
Info: NULL
*************************** 3. row ***************************
Id: 11
User: root
Host: localhost
db: NULL
Command: Query
Time: 0
State: starting
Info: show full processlist
slave 서버
mysql -uroot -p'password1!' -e "show full processlist\G;"
$ mysql -uroot -p'password1!' -e "show full processlist\G;"
mysql: [Warning] Using a password on the command line interface can be insecure.
*************************** 1. row ***************************
Id: 5
User: system user
Host:
db: NULL
Command: Connect
Time: 5086
State: Waiting for master to send event
Info: NULL
*************************** 2. row ***************************
Id: 6
User: system user
Host:
db: NULL
Command: Connect
Time: 3159
State: Slave has read all relay log; waiting for more updates
Info: NULL
*************************** 3. row ***************************
Id: 7
User: root
Host: localhost
db: NULL
Command: Query
Time: 0
State: starting
Info: show full processlist
디비 생성 테스트
[마스터 설정]
#마스터 상태 확인
mysql> SHOW MASTER STATUS;
# 마스터 로그 리셋
mysql> RESET MASTER;
mysql> show processlist;
# 테스트(wwwdb) 디비 생성
mysql> CREATE DATABASE wwwdb default CHARACTER SET UTF8;
mysql> create table t_www (id int);
mysql> insert into t_www values (1);
mysql> insert into t_www values (2);
mysql> insert into t_www values (3);
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
| wwwdb |
+--------------------+
5 rows in set (0.00 sec)
[슬레이브 설정]
mysql> STOP SLAVE;
mysql> RESET SLAVE;
mysql> CHANGE MASTER TO MASTER_HOST='192.168.0.100', MASTER_USER='repl', MASTER_PASSWORD='Repl11@@@', MASTER_LOG_FILE='mysql-bin.000002', MASTER_LOG_POS=1285;
mysql> START SLAVE;
mysql> SHOW SLAVE STATUS\G;
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
| wwwdb |
+--------------------+
5 rows in set (0.00 sec)
728x90
반응형
'리눅스' 카테고리의 다른 글
리눅스에서 LVM으로 구성된 ROOT(centos-root) 파티션을 확장 (0) | 2021.08.30 |
---|---|
PHP ImageMagick(imagick) 확장 모듈을 설치하는 방법 (0) | 2021.08.26 |
[리눅스] MySQL 5.7 MHA(Master High Availability) 설정 (0) | 2021.08.26 |
[리눅스] 엘라스틱서치 스냅샷 및 복원(Elasticsearch Snapshot and Restore) (0) | 2021.08.24 |
Docker 이미지를 파일로 저장하고 불러오는 방법 (0) | 2021.08.23 |