出处http://navyaijm.blog.51cto.com/4647068/1230674
一、说明
服务器 | 主机名 | IP | serverID | mysql版本 | 系统 |
master1
|
db1
|
172.28.26.101
|
101
|
mysql5.5.15 | Centos 6.4 |
master2 |
db2
|
172.28.26.102
|
102
|
mysql5.5.15
|
Centos 6.4
|
slave1 |
db3
|
172.28.26.188
|
188
|
mysql5.5.15
|
Centos 6.4
|
slave2 |
db4
|
172.28.26.189
|
189
|
mysql5.5.15
|
Centos 6.4
|
monitor
|
monitor
|
172.28.26.103
|
无 |
Centos 6.4
|
VIP | Role | description |
172.28.26.104 | write | 应用配置的写入VIP |
172.28.26.105 | read |
应用配置的读入VIP
|
172.28.26.106 | read |
应用配置的读入VIP
|
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tar
-zxvf mysql-5.5.15.
tar
.gz
cd
mysql-5.5.15
cmake -DCMAKE_INSTALL_PREFIX:PATH=
/data/mysql/navy1
-DMYSQL_DATADIR=
/data/mysql/navy1/db
-DMYSQL_TCP_PORT=3306 -DMYSQL_UNIX_ADDR=
/tmp/mysql
.sock -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_READLINE=1 -DENABLED_LOCAL_INFILE=1
make
make
install
useradd
mysql -s
/sbin/nologin
;
cd
/data/mysql/navy1
;
chown
mysql:mysql db/ logs/ -R
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[mysqld_safe]
log-error=
/data/mysql/navy1/logs/mysqld
.log
pid-
file
=
/data/mysql/navy1/logs/mysqld
.pid
[client]
port = 3306
socket =
/data/mysql/navy1/logs/mysql
.sock
[mysqld]
port = 3306
socket =
/data/mysql/navy1/logs/mysql
.sock
key_buffer = 384M
max_allowed_packet = 1M
table_cache = 512
sort_buffer_size = 2M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
myisam_sort_buffer_size = 64M
thread_cache_size = 8
query_cache_size = 64M
basedir=
/data/mysql/navy1
datadir=
/data/mysql/navy1/db
thread_concurrency = 8
log-bin=mysql-bin
binlog_format = mixed
server-
id
= 101
max_connections=2048
character_set_server=utf8
wait_timeout=1800
interactive_timeout=1800
skip-show-database
skip-name-resolve
tmp_table_size = 512M
max_heap_table_size = 512M
binlog-ignore-db = mysql
replicate-ignore-db = mysql
binlog-ignore-db = information_schema
replicate-ignore-db = information_schema
binlog-ignore-db = performance_schema
replicate-ignore-db = performance_schema
binlog-ignore-db =
test
replicate-ignore-db =
test
innodb_data_home_dir =
/data/mysql/navy1/db
#innodb_data_file_path = ibdata1:4000M;ibdata2:10M:autoextend
innodb_file_per_table=1
innodb_log_group_home_dir =
/data/mysql/navy1/db
innodb_buffer_pool_size = 2000M
innodb_additional_mem_pool_size = 20M
innodb_log_file_size = 100M
innodb_log_buffer_size = 8M
innodb_flush_log_at_trx_commit = 2
innodb_lock_wait_timeout = 50
#default-storage-engine = MyISAM
default-storage-engine = InnoDB
[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
[isamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[myisamchk]
key_buffer = 256M
sort_buffer_size = 256M
read_buffer = 2M
write_buffer = 2M
[mysqlhotcopy]
interactive-timeout
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/data/mysql/navy1/scripts/mysql_install_db
--user=mysql --basedir=
/data/mysql/navy1
--datadir=
/data/mysql/navy1/db/
|
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cd
/data/mysql/navy1
;
/data/mysql/navy1/bin/mysqld_safe
--defaults-extra-
file
=
/data/mysql/navy1/my
.cnf --user=mysql &
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useradd
mysql -s
/sbin/nologin
;
cd
/data/mysql/navy1
;
chown
mysql:mysql db/ logs/ -R
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cd
/data/mysql/navy1
;
/data/mysql/navy1/bin/mysqld_safe
--defaults-extra-
file
=
/data/mysql/navy1/my
.cnf --user=mysql &
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grant replication slave on *.* to slave@
'172.28.26.102'
identified by
"123456"
;
grant replication slave on *.* to slave@
'172.28.26.188'
identified by
"123456"
;
grant replication slave on *.* to slave@
'172.28.26.189'
identified by
"123456"
;
|
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grant replication slave on *.* to slave@
'172.28.26.101'
identified by
"123456"
;
grant replication slave on *.* to slave@
'172.28.26.188'
identified by
"123456"
;
grant replication slave on *.* to slave@
'172.28.26.189'
identified by
"123456"
;
|
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mysql> show master status \G
ERROR 2006 (HY000): MySQL server has gone away
No connection. Trying to reconnect...
Connection
id
: 3974
Current database: *** NONE ***
*************************** 1. row ***************************
File: mysql-bin.000024
Position: 107
Binlog_Do_DB:
Binlog_Ignore_DB: mysql,information_schema,performance_schema,
test
,mysql,information_schema,performance_schema,
test
1 row
in
set
(0.00 sec)
|
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change master to master_host=
'172.28.26.101'
, master_Port=3306, master_user=
'slave'
, master_password=
'123456'
, master_log_file=
'mysql-bin.000024'
, master_log_pos=107;
slave start;
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mysql> show master status \G
*************************** 1. row ***************************
File: mysql-bin.000025
Position: 107
Binlog_Do_DB: navy
Binlog_Ignore_DB: mysql,mysql,information_schema,performance_schema,
test
,mysql,information_schema,performance_schema,
test
1 row
in
set
(0.00 sec)
|
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change master to master_host=
'172.28.26.101'
, master_Port=3306, master_user=
'slave'
, master_password=
'123456'
, master_log_file=
'mysql-bin.000025'
, master_log_pos=107;
slave start;
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mysql> show slave status \G
*************************** 1. row ***************************
Slave_IO_State: Waiting
for
master to send event
Master_Host: 172.28.26.102
Master_User: slave
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000025
Read_Master_Log_Pos: 107
Relay_Log_File: mysqld-relay-bin.000015
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000025
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
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yum -y
install
mysql-mmm-agent
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yum -y
install
mysql-mmm*
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GRANT SUPER, REPLICATION CLIENT, PROCESS ON *.* TO
'mmm_agent'
@
'172.28.26.%'
IDENTIFIED BY
'123456'
;
GRANT REPLICATION CLIENT ON *.* TO
'mmm_monitor'
@
'172.28.26.%'
IDENTIFIED BY
'123456'
;
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active_master_role writer
<host default>
cluster_interface eth1
pid_path
/var/run/mysql-mmm/mmm_agentd
.pid
bin_path
/usr/libexec/mysql-mmm/
replication_user slave
replication_password 123456
agent_user mmm_agent
agent_password 123456
<
/host
>
<host db1>
ip 172.28.26.101
mysql_port 3306
mode master
peer db2
<
/host
>
<host db2>
ip 172.28.26.102
mysql_port 3306
mode master
peer db1
<
/host
>
<host db3>
ip 172.28.26.188
mysql_port 3306
mode slave
peer db3
<
/host
>
<host db4>
ip 172.28.26.189
mysql_port 3306
mode slave
peer db4
<
/host
>
<role writer>
hosts db1, db2
ips 172.28.26.104
mode exclusive
<
/role
>
<role reader>
hosts db3, db4
ips 172.28.26.105,172.28.26.106
mode balanced
<
/role
>
|
peer的意思是等同,表示db1与db2是同等的。
ips指定VIP
mode exclusive 只有两种模式:exclusive是排他,在这种模式下任何时候只能一个host拥有该角色
balanced模式下可以多个host同时拥有此角色。一般writer是exclusive,reader是balanced
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include mmm_common.conf
<monitor>
ip 127.0.0.1
pid_path
/var/run/mysql-mmm/mmm_mond
.pid
bin_path
/usr/libexec/mysql-mmm
status_path
/var/lib/mysql-mmm/mmm_mond
.status
ping_ips 172.28.26.101,172.28.26.102
auto_set_online 10
# The kill_host_bin does not exist by default, though the monitor will
# throw a warning about it missing. See the section 5.10 "Kill Host
# Functionality" in the PDF documentation.
#
# kill_host_bin /usr/libexec/mysql-mmm/monitor/kill_host
#
<
/monitor
>
<host default>
monitor_user mmm_monitor
monitor_password 123456
<
/host
>
debug 0
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/etc/init
.d
/mysql-mmm-agent
start
echo
"/etc/init.d/mysql-mmm-agent start"
>>
/etc/rc
.
local
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[root@monitor ~]
# mmm_control show
db1(172.28.26.101) master
/ONLINE
. Roles: writer(172.28.26.104)
db2(172.28.26.102) master
/ONLINE
. Roles:
db3(172.28.26.188) slave
/ONLINE
. Roles: reader(172.28.26.106)
db4(172.28.26.189) slave
/ONLINE
. Roles: reader(172.28.26.105)
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[root@monitor ~]
# mmm_control show
db1(172.28.26.101) master
/HARD_OFFLINE
. Roles:
db2(172.28.26.102) master
/ONLINE
. Roles: writer(172.28.26.104)
db3(172.28.26.188) slave
/ONLINE
. Roles: reader(172.28.26.106)
db4(172.28.26.189) slave
/ONLINE
. Roles: reader(172.28.26.105)
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mysql> show slave status \G
Connection
id
: 5844
Current database: *** NONE ***
*************************** 1. row ***************************
Slave_IO_State: Waiting
for
master to send event
Master_Host: 172.28.26.102
Master_User: slave
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000025
Read_Master_Log_Pos: 107
Relay_Log_File: mysqld-relay-bin.000002
Relay_Log_Pos: 253
Relay_Master_Log_File: mysql-bin.000025
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
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