The service involves many technologies. For specific explanations of related technical documents, please refer to the following link:
Centos 7 detailed explanation of load balancing configura
Tag: available
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
Keepalived + Haproxy builds high available web clusters
Haproxy is currently a popular cluster scheduling tool. There are many similar cluster scheduling tools, such as LVS and Nginx. In comparison, LVS has the best performance, but it is relatively com
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 V1 installation configuration
Configuration premise:
1. Time must be synchronized, It is recommended to use ntp protocol
2.Required between nodes To communicate with each other through the host name;The name used in
HeartBeat + DRBD + NFS High Available
1. Environment
System: CentOS 6.4×64 Minimal Installation
node1: 192.168.1.13
node2: 192.168 .1.14
vip: 192.168.1.15
Second, basic configuration
The operation of
HeartBeat + DRBD + MySQL high available architecture deployment
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
HeartBeat + CRM + MYSQLD + NFS High Available Mysql Services
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
HeartBeat + DRBD + MFS High Available
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
Kubeadm deployed high available K8S clusters (V1.14.2)
1. Introduction Test environment Kubernetes version 1.14.2 high availability build document, build method is kubeadm
System version: CentOS Linux release 7.6.1810 (Core) Kernel: 4.4.1184-1.el