编译安装MySQL实现corosync+pacemaker+drbd+mysql高可用-原创手记-慕课网

编译安装MySQL实现corosync+pacemaker+drbd+mysql高可用

实验拓扑图：

实验节点：节点一：IP：172.16.249.248 host: node1.stu11.com node1

节点二：IP：172.16.249.122 host: node3.stu11.com node3

wKiom1S58bCwx945AADEhiTB-SY859.jpg

节点二的配置前准备：

##########下载安装drbd，以及依赖的包########

[root@node3 ~ ]# rpm -ivh drbd84-utils-8.9.1-1.el6.elrepo.x86_64.rpm kmod-drbd84-8.4.5-504.1.el6.x86_64.rpm

[root@node3 ~ ]# yum install corosync pacemaker -y ####安装corosync和pacemaker

[root@node3 .ssh ]#fdisk /dev/sda ####创建用作drbd的磁盘，我这里使用分区模拟了

Command (m for help): n

Command action e extended p

primary partition (1-4) p

Partition number (1-4): 3

First cylinder (7859-15665, default 7859):

Using default value 7859

Last cylinder,

+cylinders or +size{K,M,G} (7859-15665, default 15665): +2G ##2G同步快一点，实际大小看生产需要

Command (m for help): w

[root@node3 .ssh ]#partx -a /dev/sda

节点一配置：

[root@node1 ~ ]# rpm -ivh drbd84-utils-8.9.1-1.el6.elrepo.x86_64.rpm kmod-drbd84-8.4.5-504.1.e

[root@node1 ~ ]# yum install corosync pacemaker -y

[root@node1 ~ ]#fdisk /dev/sda

Command (m forhelp): n

Command action e extended p

primary partition (1-4) p

Partition number(1-4): 3

First cylinder(7859-15665, default 7859):

Using default value7859

Last cylinder,

+cylinders or +size{K,M,G} (7859-15665, default 15665): +2G

Command (m forhelp): w

[root@node1 ~ ]#partx -a /dev/sda

##############################编辑corosync配置文件##############################

[root@node1 corosync]# cp corosync.conf.example corosync.conf

[root@node1 corosync]# vim corosync.conf ##仅显示的是在使用的部分

2 compatibility: whitetank

4 totem {

5 version: 2

10 secauth: on

12 threads: 0

17 interface {

19 ringnumber: 0

25 bindnetaddr: 172.16.0.0

39 mcastaddr: 239.22.11.123 ##指定组播地址

44 mcastport: 5405

49 ttl: 1

50 }

51 }

53 logging {

57 fileline: off

60 to_stderr: no

63 to_logfile: yes

64 logfile: /var/log/cluster/corosync.log

66 to_syslog: yes

68 debug: off

72 timestamp: on

73 logger_subsys {

74 subsys: AMF

75 debug: off

76 }

77 }

78 service { ####将pacemaker以模块方式和corosync结合工作

79 ver: 0

80 name: pacemaker

81 }

##########################################生成密钥########################################

[root@node1 yum.repos.d ]# corosync-keygen

Writing corosync key

to /etc/corosync/authkey.

[root@node1 drbd.d]# ls

global_common.conf global_common.conf.bak mydisk.res

[root@node1 corosync]# ll

total 24

-r-------- 1 root

root 128 Jan 17 09:38 authkey ###保证权限是600或400

-rw-r--r-- 1 root

root 2701 Jan 17 09:38 corosync.conf

[root@node1 corosync]# scp corosync.conf authkey node3:/etc/corosync/

corosync.conf 100% 2701 2.6KB/s 00:00

authkey 100% 128 0.1KB/s 00:00

[root@node3 corosync ]# ll //查看各节点密钥文件权限都是600,默认是不需要修改的。

total 24

-r-------- 1 root

root 128 Jan 17 09:38 authkey

############################配置各节点DRBD配置文件配置##############################################

[root@node1 drbd.d]# vim global_common.conf

5 global {

6 usage-count no;

7 #minor-count dialog-refresh disable-ip-verification

8 }

10 common {

11 handlers {

17 pri-on-incon-degr "/usr/lib/drbd/notify-pri-on-incon-degr.sh;/usr/lib/drbd/notify-emergency-reboot.sh; echo b > /proc/sysrq-trigger ; reboot-f";

18 pri-lost-after-sb "/usr/lib/drbd/notify-pri-lost-after-sb.sh;/usr/lib/drbd/notify-emergency-reboot.sh; echo b > /proc/sysrq-trigger ; reboot-f";

19 local-io-error "/usr/lib/drbd/notify-io-error.sh;/usr/lib/drbd/notify-emergency-shutdown.sh; echo o > /proc /sysrq-trigger ; halt -f";

25 }

27 startup {

28 # wfc-timeout degr-wfc-timeout outdated-wfc-timeout wait-after-sb

29 }

31 options {

32 # cpu-mask on-no-data-accessible

33 }

35 disk {

36 on-io-error detach; ###磁盘故障直接拆除

41 }

43 net {

44 protocol C; ###最稳妥的协议

45 cram-hmac-alg "sha1";

46 shared-secret "test";

54 }

56 syncer {

57 rate 100M;

59 }

60 } //一定要注意最后一个引号，是全局段的。

##################################配值DRBD资源文件##################################################

[root@node1 drbd.d ]#vim mydisk.res

1 resource mydisk {

2 on node1.stu11.com {

3 device /dev/drbd0;

4 disk /dev/sda3;

5 address 172.16.249.248:7789;

6 meta-disk internal;

7 }

8 on node3.stu11.com {

9 device /dev/drbd0;

10 disk /dev/sda3;

11 address 172.16.249.122:7789;

12 meta-disk internal;

13 }

14 }

#################################同步两个节点的配置文件###########################################

[root@node1 drbd.d]# scp global_common.conf mydisk.res node3:/etc/drbd.d/

global_common.conf 100% 2101 2.1KB/s 00:00

mydisk.res 100% 257 0.3KB/s 00:00

##################################各节点资源初始化#################################################

[root@node1 corosync]# drbdadm create-md mydisk

initializing

activity log

NOT initializing

bitmap

Writing meta data...

New drbd meta data

block successfully created.

[root@node3 drbd.d]# drbdadm create-md mydisk

initializing

activity log

NOT initializing

bitmap

Writing meta data...

New drbd meta data

block successfully created.

[root@node3 corosync]# service drbd start

Starting DRBD

resources:

##########################################启动各节点DRBD###########################################

[root@node1 corosync]# service drbd start

Starting DRBD

resources:

wKiom1S5-P-yT5ifAADHFsB3Q2U098.jpg

[root@node1 corosync ]# drbd-overview //查看节点状态

0:mydisk/0 Connected Secondary/Secondary Inconsistent/Inconsistent

##########################提升一个节点为主节点:并且查看数据在同步######################################

[root@node1 corosync]# drbdadm primary --force mydisk

[root@node1 corosync]# drbd-overview

0:mydisk/0

SyncSource Primary/Secondary UpToDate/Inconsistent

[>...................]

sync'ed: 7.1% (1959028/2103412)K

wKioL1S5-zLRwAzuAAGTM_9o4Nw385.jpg

##################################对DRBD格式化####################################################

[root@node1 corosync ]# mke2fs -t ext4 /dev/drbd0 //对主节点格式化

wKiom1S5-sOy7yq9AADDFnFRipc185.jpg

#####################################挂载创建测试文件############################################

[root@node1 corosync ]# mount /dev/drbd0 /mnt/

[root@node1 corosync]# cd /mnt/

[root@node1 mnt ]#ls

lost+found

[root@node1 mnt ]#touch test.txt

[root@node1 mnt ]#ls

lost+found test.txt

##################### ##降为从节点把另一个节点升为主节点挂载查看测试文件########################

[root@node1 ~ ]# umount /mnt/

[root@node1 ~ ]#drbd

drbdadm drbdmeta drbd-overview drbdsetup

[root@node1 ~ ]#drbdadm secondary mydisk

[root@node1 ~ ]#drbd-overview

0:mydisk/0

Connected Secondary/Secondary UpToDate/UpToDate

#####################节点二升级主节点，查看测试文件#################################

wKiom1S5-_ihLcNtAAEVRvGonog788.jpg

至此：两个节点的DRBD已经建成同步完成。开始布置两个节点的mysql。

######################准备各节点的mysql############################################# 准备编译环境及安装：

[root@node3 /]# yum groupinstall "Development Tools" -y

[root@node3 /]# yum install "Server Platform Developmnet"

[root@node3 ~ ]# yum install cmake -y //mariadb是使用cmake的编译安装的

[root@node3 ~ ]# tar xf mariadb-10.0.13.tar.gz -C /usr/local/

[root@node3 local ]#groupadd -g 306 mysql

[root@node3 local ]#useradd -u 306 -g 306 mysql

[root@node3 local ]#id mysql

uid=306(mysql) gid=306(mysql) groups=306(mysql)

[root@node3 local ]#mkdir /mydata

[root@node3 ~ ]#umount /mnt/

[root@node3 local ]#chown -R mysql:mysql /mydata

[root@node3 ~ ]#mount /dev/drbd0 /mydata

[root@node3 mariadb-10.0.13 ]#cmake .

-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \##指定安装路径

-DMYSQL_DATADIR=/mydata \ ##指定库位置

-DWITH_INNOBASE_STORAGE_ENGINE=1 \ ##指定存储引擎

-DWITH_ARCHIVE_STORAGE_ENGINE=1\

-DWITH_BLACKHOLE_STORAGE_ENGINE=1\

-DWITH_READLINE=1\

-DWITH_SSL=system\ ##定制SSL功能

-DWITH_ZLIB=system\ ##定制ZLIB功能

-DWITH_LIBWRAP=0\

-DMYSQL_UNIX_ADDR=/tmp/mysql.sock\ ##sock位置

-DDEFAULT_CHARSET=utf8 \ ##默认字符集

-DDEFAULT_COLLATION=utf8_general_ci

#make

#make之后

Linking CXX

executable my_safe_process

[100%] Built target

my_safe_process

[root@node3 mysql ]#ls /mydata/

aria_log.00000001 aria_log_control ibdata1

ib_logfile0 ib_logfile1 mysql performance_schema test

[root@node3support-files ]# cp my-large.cnf /etc/mysql/my.cnf

[root@node3support-files ]# cd /etc/mysql

[root@node3 mysql ]#ls

my.cnf

[root@node3 mysql ]#vim my.cnf #####在mysqld添加如下

innodb_file_per_table = on

datadir = /mydata

[root@node3 mysql ]#

service mysqld start

Starting

MySQL...

[ OK ]

[root@node3 mysql ]# mysql //登陆已经正常了

Welcome to the MySQL

monitor. Commands end with ; or \g.

Your MySQL

connection id is 4

Server version: 5.5.5-10.0.13-MariaDB-log Source

distribution

wKioL1S6AKiBdZmaAACOJ8rbeRU363.jpg

注意：同样的步骤部署第二个节点mysql但是，不要初始化。因为共享磁盘已经初始化过了。

########################下面，就可以使用crmsh配置资源了。###########################

下面，就可以使用crmsh配置资源了。

首先：保证我们两个节点的服务不会开机自动启动。

wKioL1S6AhCjIfplAADGdV1gZTs642.jpg

wKiom1S6AV3BIyK6AAEBu0s2HYQ789.jpg

##################启动两个节点的corosync##########################################################

[root@node3 ~ ]#service corosync start

Starting Corosync

Cluster Engine (corosync): [ OK ]

[root@node3 ~ ]# service mysqld stop ##停掉我们使用的所有资源

Stopping

mysqld: [ OK ]

[root@node3 ~ ]#umount /mydata/

[root@node3 ~ ]#drbd-overview

0:mydisk/0 Connected Primary/Secondary UpToDate/UpToDate

[root@node3 ~ ]#drbdadm secondary mydisk

[root@node3 ~ ]#drbd-overview

0:mydisk/0 Connected Secondary/Secondary UpToDate/UpToDate

[root@node3 ~ ]#service drbd stop

Stopping all DRBD

resources: .

wKioL1S6Av7xuRf-AAE6aE3fG9I709.jpg

安装crmsh ##安装并且定义

[root@node3 ~ ]# yum install crmsh-2.1-1.6.x86_64.rpm

[root@node3 ~ ]# crm

crm(live)# configure

#####################第一步：定义前提属性#############################

crm(live)configure# property stonith-enabled=false //禁用stonish

crm(live)configure# property no-quorum-policy=ignore //定义无票策略

#####################第二步：定义DRBD主资源###########################

crm(live)configure#

primitive mydrbd ocf:linbit:drbd params drbd_resource="mydisk" op

monitor role=Master timeout=20 interval=10 op monitor role=Slave timeout=20

interval=10 op start timeout=240 op stop timeout=100

####################第三步：定义DRBD主从资源##########################

crm(live)configure#ms ms_mydrbd mydrbd meta master-max="1" master-node-max="1"

clone-max="2" clone-node-max="1" notify="true"

####################第四步：定义文件系统资源##########################

crm(live)configure#primitive myfs ocf:heartbeat:Filesystem params device=/dev/drbd0

directory=/mydata fstype="ext4" op monitor timeout=40 interval=20 op start timeout=60 op stop timeout=60

####################第五步：定义协同约束##############################

crm(live)configure#colocation mydrbd-master_with_myfs inf: ms_mydrbd:Master myfs

crm(live)configure#

####################第六步：定义顺序约束##############################

crm(live)configure#order ms_mydrbd-master_before_myfs inf: ms_mydrbd:promote myfs:start

#################第七步：定义流动IP###################################

crm(live)configure#primitive myvip ocf:heartbeat:IPaddr params ip=172.16.11.11 op monitor

timeout=20 interval=10 op start timeout=20 op stop timeout=20

###################第八步：定义mysql服务资源############################

crm(live)configure#primitive myservice lsb:mysqld op monitor timeout=20 interval=20

crm(live)configure#

###################第九步：定义他们为一个组资源########################

crm(live)configure#group mygroup myvip myfs ms_mydrbd:Master myservice

####################第十步：定义他们的协同约束#########################

crm(live)configure#order myfs_before_myservice inf: myfs:start myservice:start

crm(live)configure# commit ##提交

interval in monitor_Master must be unique

crm(live)configure#show ##查看我们定义的所有资源

wKiom1S6A5azjLKOAAVVzvgpk14762.jpg

切换测试结果：

wKiom1S6A_Cj3MhEAACrW42JB6g335.jpg

wKiom1S6BBvRHUnUAACjCpLd-ME589.jpg

至此高可用全部完成！

mysqldrbdcorosync服务的高可用