PXC5.7的安裝步驟

這篇文章主要介紹“PXC5.7的安裝步驟”,在日常操作中,相信很多人在PXC5.7的安裝步驟問(wèn)題上存在疑惑,小編查閱了各式資料,整理出簡(jiǎn)單好用的操作方法,希望對(duì)大家解答”P(pán)XC5.7的安裝步驟”的疑惑有所幫助!接下來(lái),請(qǐng)跟著小編一起來(lái)學(xué)習(xí)吧!

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節(jié)點(diǎn)分配


IP

hostname

用途

192.168.137.201

c1

node1

192.168.137.202

c2

node2

192.168.137.203

c3

node3

需要的包

percona-xtrabackup-24-2.4.7-2.el6.x86_64.rpm

Percona-XtraDB-Cluster-5.7.18-rel15-29.20.1.Linux.x86_64.ssl101.tar.gz

安裝epel源(所有節(jié)點(diǎn))

centos6

 rpm -ivh http://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm

centos7

 rpm -ivh http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

安裝依賴(lài)包

yum install perl-IO-Socket-SSL perl-DBD-MySQL perl-Time-HiRes socat nc -y

安裝xtrabackup

wget https://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-2.4.7/binary/redhat/6/x86_64/percona-xtrabackup-24-2.4.7-2.el6.x86_64.rpm

rpm -ivh percona-xtrabackup-24-2.4.7-2.el6.x86_64.rpm

數(shù)據(jù)庫(kù)初始化

/usr/local/mysql/bin/mysqld --defaults-file=/etc/my.cnf --basedir=/usr/local/mysql --datadir=/data/mysql/mysql3306/data  --user=mysql --initialize

修改mysqld_safe啟動(dòng)文件

#####具體需要替換的路徑根據(jù)安裝的包名稱(chēng)去mysqld_safe文件中查詢(xún)#############

sed -i 's#/mnt/workspace/percona-xtradb-cluster-5.7-binary-tarball/label_exp/centos6-64/Percona-XtraDB-Cluster-5.7.18-29.20/346/usr/local/Percona-XtraDB-Cluster-5.7.18-rel15-29.20.1.Linux.x86_64.ssl101#/usr/local/mysql#g' /usr/local/mysql/bin/mysqld_safe

vi /usr/local/mysql/support-files/mysql.server

basedir=/usr/local/mysql

datadir=/data/mysql/mysql3306/data

cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql

chmod 755 /etc/init.d/mysql

添加PXC相關(guān)的參數(shù)

vi /etc/my.cnf

[mysqld]

...

#PXC

wsrep_provider=/usr/local/mysql/lib/libgalera_smm.so

wsrep_cluster_address=gcomm://192.168.137.201,192.168.137.202,192.168.137.203

wsrep_node_address=192.168.137.201

wsrep_slave_threads=2

innodb_autoinc_lock_mode=2

binlog_format = ROW

default_storage_engine=InnoDB

wsrep_cluster_name=pxc-jiangzq

wsrep_sst_auth=sst:jiangzq

wsrep_sst_method=xtrabackup-v2

檢查環(huán)境

[root@c1 xtrabackup]# /etc/init.d/mysql --help

Usage: mysql {start|stop|restart|restart-bootstrap|reload|force-reload|status|bootstrap-pxc}  [ MySQL (Percona XtraDB Cluster) options ]

啟動(dòng)第一個(gè)節(jié)點(diǎn)

shell>/etc/init.d/mysql bootstrap-pxc

/usr/local/mysql/bin/mysqld_safe --defaults-file=/etc/my.cnf  bootstrap-pxc &

/usr/local/mysql/bin/mysqld --defaults-file=/etc/my.cnf bootstrap-pxc

修改root密碼和添加sst賬戶(hù)

alter user user() identified by 'root';

create user 'sst'@'localhost' identified by 'jiangz';

grant all  on *.* to 'sst'@'localhost';

將整個(gè)虛擬機(jī)再克隆兩個(gè)

#####修改主機(jī)名

shell>hostname c2

shell>vi /etc/sysconfig/network

hostname=c2

#####修改ip地址

shell>vi /etc/sysconfig/network-script/ifcfg-eth0

shell>service network restart

#####修改mysql配置文件

shell>vi /etc/my.cnf

server-id=203306

pid-file = c2.pid

wsrep_node_address=192.168.137.202

第2、3個(gè)節(jié)點(diǎn)啟動(dòng)

shell>/etc/init.d/mysql

遇到的錯(cuò)誤

 ##############啟動(dòng)第二個(gè)節(jié)點(diǎn)報(bào)的錯(cuò)誤###############

2017-07-18T06:40:24.829678Z 0 [ERROR] WSREP: Failed to read 'ready ' from: wsrep_sst_xtrabackup-v2 --role 'joiner' --address '192.168.137.202' --datadir '/data/mysql/mysql3306/data/' --defaults-file '/etc/my.cnf' --defaults-group-suffix '' --parent '10520' --binlog '/data/mysql/mysql3306/logs/mysql-bin'

    Read: '(null)'

2017-07-18T06:40:24.829714Z 0 [ERROR] WSREP: Process completed with error: wsrep_sst_xtrabackup-v2 --role 'joiner' --address '192.168.137.202'

--datadir '/data/mysql/mysql3306/data/' --defaults-file '/etc/my.cnf' --defaults-group-suffix '' --parent '10520' --binlog '/data/mysql/mysql3306/logs/mysql-bin' :

2 (No such file or directory)

selinux 沒(méi)關(guān)和xtrabackup版本太低

日常啟動(dòng)關(guān)閉

#/etc/init.d/mysql    stop

全部節(jié)點(diǎn)關(guān)閉后重啟

第一個(gè)節(jié)點(diǎn)啟動(dòng)的節(jié)點(diǎn)( 如果集群全部關(guān)閉,第一個(gè)起動(dòng)也需要用這樣的形式)

#/etc/init.d/mysql    bootstrap-pxc

其它節(jié)點(diǎn)

#/etc/init.d/mysql    start

備注:

如集群是不是所有的節(jié)點(diǎn)都關(guān)閉不用使#/etc/init.d/mysql    bootstrap-pxc 啟動(dòng)。都可以用

#/etc/init.d/mysql    start

啟動(dòng)。

到此,關(guān)于“PXC5.7的安裝步驟”的學(xué)習(xí)就結(jié)束了,希望能夠解決大家的疑惑。理論與實(shí)踐的搭配能更好的幫助大家學(xué)習(xí),快去試試吧!若想繼續(xù)學(xué)習(xí)更多相關(guān)知識(shí),請(qǐng)繼續(xù)關(guān)注創(chuàng)新互聯(lián)網(wǎng)站,小編會(huì)繼續(xù)努力為大家?guī)?lái)更多實(shí)用的文章!

新聞名稱(chēng):PXC5.7的安裝步驟
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