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

本文转载：http://guanqianjian.blog.51cto.com/9652236/1605084

 

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   

    

 

节点二的配置前准备：

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##########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：

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[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##############################

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[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 3 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########################################

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[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##############################################

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[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 } 26 27 startup { 28 # wfc-timeout degr-wfc-timeout outdated-wfc-timeout wait-after-sb 29 } 30 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 } 42 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; 58 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##################################################

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[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###########################################

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[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#################################################

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[root@node1 corosync]# drbdadm create-md mydisk initializing activity log NOT initializing bitmap Writing meta data... New drbd meta data block successfully created.

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[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###########################################

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[root@node1 corosync]# service drbd start Starting DRBD resources:

[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######################################

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[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

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

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

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

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[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########################

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[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#################################

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：

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

 

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。

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

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[root@node3 ~ ]#service corosync start Starting Corosync Cluster Engine (corosync): [ OK ]

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[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: .

安装crmsh    ##安装并且定义

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[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

切换测试结果：

至此高可用全部完成！