mysql（5.077）+hearbeat+drbd+centOS6.4_x86_64

=========安装drbd、heartbeat================================================================

[root@TestDB1 ~]# rpm -Uvh http://elrepo.org/elrepo-release-6-5.el6.elrepo.noarch.rpm
[root@TestDB1 ~]#yum -y install drbd84 kmod-drbd84

[root@TestDB1 ~]#rpm -Uvh ftp://mirror.switch.ch/pool/1/mirror/scientificlinux/6rolling/i386/os/Packages/epel-release-6-5.noarch.rpm
[root@TestDB1 ~]# yum --enablerepo=epel install heartbeat

Loaded plugins: fastestmirror, security

Loading mirror speeds from cached hostfile

Error: Cannot retrieve metalink for repository: epel. Please verify its path and try again

解决办法：

vi /etc/yum.repos.d/epel.repo

1）把第6行改成enabled=0 我不不想用这个源来更新系统

2）

#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch

mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch

改为

baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch

#mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch

[root@TestDB1 ~]# rpm -qa |grep drbd

kmod-drbd84-8.4.2-1.el6_3.elrepo.x86_64

drbd84-utils-8.4.2-1.el6.elrepo.x86_64

[root@TestDB1 ~]# rpm -qa |grep heartbeat

heartbeat-libs-3.0.4-1.el6.x86_64

heartbeat-3.0.4-1.el6.x86_64

Config drbd for both machines

# vi /etc/drbd.conf

Config heartbeat for both machines

[root@TestDB1 ha.d]# cp /usr/share/doc/heartbeat-3.0.4/ha.cf /etc/ha.d/

[root@TestDB1 ha.d]# cp /usr/share/doc/heartbeat-3.0.4/authkeys /etc/ha.d/

[root@TestDB1 ha.d]# cp /usr/share/doc/heartbeat-3.0.4/haresources /etc/ha.d/

[root@TestDB1 ha.d]# vi ha.cf

[root@TestDB1 ha.d]# vi authkeys

#lvremove /dev/VG001/LV_DB

#lvcreate -l 1308 -n LV_DB VG001

#drbdadm create-md all

#/etc/init.d/drbd start

#drbdadm -- --overwrite-data-of-peer primary r0 （只在主节点操作）

Or # drbdsetup /dev/drbd0 primary -o

#mkfs.ext3 /dev/drbd0

#mount /dev/drbd0 /DB

=====================安装mysql========================================

yum -y install gcc

yum -y install gcc-c++

tar xzvf mysql-5.0.77.tar.gz

[root@TestDB1 mysql-5.0.77]# yum -y install ncurses-devel

./configure --prefix=/usr/local/mysql

make

==============

错误1：

/depcomp: line 571: exec: g++: not found

解决办法： yum -y install gcc-c++

错误2：

../include/my_global.h:991: error: redeclaration of C++ built-in type ‘bool’

make[2]: *** [my_new.o] Error 1

make[2]: Leaving directory `/root/mysql-5.0.77/mysys'

make[1]: *** [all-recursive] Error 1

make[1]: Leaving directory `/root/mysql-5.0.77'

make: *** [all] Error 2

解决办法：重新configure

==================

make install

将mysql命令加入path变量

vi /etc/profile.d/mysql.sh

export PATH=$PATH:/usr/local/mysql/bin/:/usr/local/mysql/libexec

#source mysql.sh

====================安装mysql 结束========================================

将JDC上/etc/init.d/mysqld 复制过来

cp -rf /usr/local/mysql/bin/* /usr/bin/

mkdir /DB/binlog

将“D:\chengang\09 TMSP\JDC\DB schema change\SJDC_DB系统环境备份”下mysql 都放到/etc/init.d/,权限如下

[root@TestDB1 data]# ll /etc/init.d/mysqld

-rwxr--r-- 1 root root 4528 Jul 12 10:47 /etc/init.d/mysqld

[root@TestDB1 ~]# vi /etc/my.cnf (mysql 配置文件)

=====================恢复DB数据物理文件======================

#从backup server上远程copy文件到server上

nohup rsync -avuz TMSP_BACKUP@10.80.28.34::backup/backup-20130602130002_mysql/data /DB

or

10 20 26 6 * rsync -avuz TMSP_BACKUP@10.80.28.34::backup/backup-20130602130002_mysql/data /DB > /DB/rsync.log

#改文件权限

chown -R mysql.mysql /DB/data

=================本地备份测试恢复DB物理文件======================

备份DB

tar cvpzf mysql.tgz ./ --exclude=ibdata1 --exclude=ib_logfile0 --exclude=ib_logfile1 --exclude=mysql

恢复DB

tar xvpfz mysql.tgz -C ./

==================通过heartbeat启动mysql====================

#ln -s /etc/init.d/mysqld /etc/ha.d/resource.d/mysqld

[root@TestDB1 data]# /etc/init.d/heartbeat start

错误1：

Starting High-Availability services: INFO: Resource is stopped

Heartbeat failure [rc=6]. Failed.

heartbeat[2400]: 2013/07/12_10:53:53 ERROR: Bad permissions on keyfile [/etc/ha.d//authkeys], 600 recommended.

heartbeat[2400]: 2013/07/12_10:53:53 ERROR: Authentication configuration error.

heartbeat[2400]: 2013/07/12_10:53:53 ERROR: Configuration error, heartbeat not started.

解决办法：

#chmod 600 /etc/ha.d/authkeys

错误2：

/usr/libexec/mysqld: Can't change dir to '/DB/data/' (Errcode: 13)

130711 5:54:23 [ERROR] Aborting

解决办法：

关闭SElinux不重启系统的方法

Redhat系统，修改/etc/sysconfig/selinux文件：

#SELINUX=enforcing

SELINUX=disabled

重启生效，如果不想重启，用命令

setenforce 0

错误3： [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist

解决办法：

#cd /DB/

#rm -rf data

#/usr/bin/mysql_install_db

instead of running service mysqld start or service mysqld restart try running:

=========确认开机启动===========

chkconfig drbd on

chkconfig heartbeat on