学习笔记--heartbeat

Posted 2020-08-09

Heartbeat

 

server6 server7

安装包：heartbeat-3.0.4-2.el6.x86_64.rpm

heartbeat-libs-3.0.4-2.el6.x86_64.rpm

heartbeat-devel-3.0.4-2.el6.x86_64.rpm

ldirectord-3.9.5-3.1.x86_64.rpm

 

rpm -q heartbeat -d  查看配置文件所在位置

cd /etc/ha.d/

cp /usr/share/doc/heartbeat-3.0.4/{ha.cf,haresources,authkeys}  .

vim  ha.cf

logfacility local0

Keepalice 2

Deadtime 30

Warntime 10

Initdead 60

Udpport 694

Bcast eth0

Auto_failback on

Node server6.example.com

Node server7.example.com

Ping 172.25.60.250

Respawn hacluster  /usr/lib64/heartbeat/ipfail

Apiauth ipfail gid=haclient uid=haclient

 

 

Vim authkeys

Auth 1

1crc

Chmod 600 authkeys

 

 

Vim haresources

Server6.example.com  IPaddr::172.25.60.100/24/eth0  httpd

 

两端开启heartbeat服务

查看运行状态：tail  -f  /vat/log/messages

 

 

 

 

drbd

环境：server6 server7 两块大小相同的磁盘vda

安装：drbd-8.4.2.tar.gz

在server6中：

yum install kernel-devel

tar zxf drbd-8.4.2.tar.gz       cd drbd-8.4.2

./configure --enable-spec --with-km

mv drbd-8.4.2.tar.gz tpmbuild/sources

rpmbuild -bb drbd.specrpmbuild -bb drbd-km.spec

cd rpmbuild/RPMS/x86_64安装所有生成的包并拷贝至server7中安装

 

 配置：

cd /etc/drbd.d   vim example.res

resource example {

meta-disk internal;

device /dev/drbd1;

syncer  {

verify-alg sha1;

}

on server6.example.com {

disk /dev/vda;

address 172.25.254.6:7789;

}

on server7.example.com {

disk /dev/vda;

address 172.25.254.7:7789;

}

}                                                                             

 

将此配置文件拷贝到server7的同目录下

 

 

在两个结点上进行格式化：

/etc/init.d/drbd start

drbdadm create-md example 

drbdadm primary example --force

cat /proc/drbd 查看drbd状态

只有primary端才可以挂载

drbdadm secondary example  

 

操作：

drbd-overview 

drbdadm up/down example

drbd disconnect example

drbdadm connect --discard-my-data example                                      

 

 

整合heartbeat+drbd:

vim /etc/ha.d/haresources

server6.example.com IPaddr::172.25.254.6/24/eth0

drbddisk::example Filesystem::/dev/drbd1::/var/www/html::ext4 httpd