Heartbeat is a highly available cluster system based on Linux open source. It mainly includes two highly available cluster components, heartbeat service and resource takeover. The heartbeat monitor
Category: Monitoring
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.
HeartBeat + DRBD + MYSQ + NFS Deployment Document
System environment
System: CentOS6.6
Number of system bits x86_64
Software environment
heartbeat-3.0.4-2
drbd-8.4.3
nfs-utils-1.2.3-26
Deployment environme
HeartBeat + DRBD + MYSQL + LVS Cluster
Four hosts
Host name IPAddress Purpose
dbm129 172.16.0.129 heart+ mysql beat+ mysql secondary node
dbs130 172.16.0.130 6.0 slave(mater_host=172.16.0.233)
dbs131 2.1 131 131
Heartbeat introduction and simple HTTPD high by HeartBeat
Heartbeat is an integral part of the Linux-HA project, which implements a highly available cluster system. Simply put, through heartbeat, resources and services can be quickly transferred from a fa
Heartbeat installation and pit
===The first step: installation summary heartbeat====================
Preparations:
groupadd haclient< br>useradd -g haclient hacluster
yum install libtool-ltdl-devel
yum install asciidoc
cd
HeartBeat3.x Application Raiders: Test HeartBeat HA Function
Heartbeat3.xThe whole application strategy:TestHeartbeat的HAFunction
HeartbeatAfter the installation is complete, it will automatically enter /etc/init.d< The startup script file heartbeat is
Heartbeat makes Nginx high availability cluster
One. Theory
・HA is highly available and has been It is called hot standby.
・High availability principle: Two machines A and B. Normally, A provides services and B is idle. When A is down or the service is down, switch to B Continue to provide services and use heartbeat for communication and elections
HeartBeat 3.x Application Raiders: Conceptual Composition and Working Principles
Table of Contents
Heartbeat 3.x application strategy: concept composition and Working principle… 1
First, the concept of Heartbeat Composition and working principle… 1
1. The
HeartBeat Haresources configuration
1. Introduction of Heartbeat:
The Heartbeat project is a component of the Linux-HA project and the most successful example of the current open source HA project. The full name of Linux-HA is
heartbeat v1
heartbeat v1
I. Introduction to the experimental environment
Hardware: lenovo T410S
Software: VMWARE workstation
SO: Centos 6.6
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Second, network topology