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Heartbeat introduction
Official site: http://linux-ha.org/wiki/Main_Page
DRBD introduction
Official
Application monitoring refers to real-time monitoring, analysis, and alarming of application performance, traffic, bandwidth occupancy, popularity, user behavior, user source channels, and user client environment from the application layer. Application monitoring has the advantages of small impact on the original system and simple implementation.
This article was earned from http://shanhu.blog.51cto.com/1293405/1212605
Heartbeat introduction
Official site: http://linux-ha.org/wiki/Main_Page
DRBD introduction
Official
Test environment:
1. Turn off the heartbeat service on web1
#service heartbeat stop
#ssh web2.luochen.com’service heartbeat stop’
2. Edit the ha.cf file on web1, Enable crm<
Official website: http://linux -ha.org/wiki/Main_Page
Introduction to Heartbeat< br>
The working principle of Heartbeat:
Keeplived and heartbeat high availability are operating sy
Test environment:
web1: 192.168.1.111 MariaDB Heartbeat hb_gui
web2: 192.168.1.112 MariaDB Heartbeat
web3: 192.168.1.114 NFS (shared storage)
VIP: 192.168.1.150
PS: In
1. Environment
System CentOS 6.4×64 minimal installation
mfs-master 192.168.3.33
mfs-slave 192.168.3.34
vip 192.168.3.35
mfs-client 192.168.3.37
Second, basic co
#heartbeat deployment
HB1: eth0: 10.0.0.3eth1:172.16.1.3VIP:10.0.0.103HB2: eth0: 10.0.0.4eth1:172.16.1.4VIP:10.0.0.104
where eth1 is Directly connected. It is the direct heartbeat line
One, what is Heartbeat< /strong>
Heartbeat is a highly available cluster system based on Linux open source. It mainly includes two highly available cluster components, heartbeat service and r
< span style="font-size:11pt;">Prepare two virtual machines with IP addresses 192.168.1.4 and 192.168.1.3
span> < /span> Synchronize node time , Set the time synchronization on the two virtua
Introduction to Heartbeat
The working principle of Heartbeat:
Keeplived and heartbeat high availability are operating system level, not (software level), you can use simple Script to achieve high availability at the software level.
Highly available serverSwitch
Common condition scenarios:
Reference 1: http://os.51cto.com/art/201412/461533.htm
Reference 2: http://www.voidcn.com/article /p-fhezbfkb-qq.html
Reference 3: http://network.51cto.com/art/201010/230237_all.htm