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{stateMASTERinterfaceeth1virtual_router_id51mcast_src_ip192.168.233.84priority99advert_int1authentication{auth_typePASSauth_pass876543}virtual_ipaddress{192.168.233.90}}3. Start and create the keepalived service on node01 and node02. 1) start the service and enable it upon startup: servicekeepalivedstartchkconfig--addkeepalivedchkconfigkeepalivedon 2) test and observe the VIP drift (1) VIP address observation HOST: Observe the VIP address as follows: [[emailprotected]/]#servicekeepalivedstartSta

I. system environment: System Version: centos5.5 x86_64 Master_ip: 172.20.27.40 Backup_ip: 172.20.27.50 VIP: 172.20.27.200 Web_1: 172.20.27.90 Web_2: 172.20.27.100 Ii. haproxy installation: 1. First install 172.20.27.40: 1.1 installation Tar zxvf haproxy-1.3.20.tar.gz CD haproxy-1.3.20 Make target = linux26 prefix =/usr/local/

Build highly available reverse proxies with Haproxy and keepalivedBuilding high-availability reverse proxies with haproxy and keepalived in the case of a site with a large number of accesses, as the traffic increases, a single server is unable to process all the requests, which requires multiple servers to divert a large amount of requests, that is, load balancing. In the case of load balancing, these reque

1. Installation# wget http://haproxy.1wt.eu/download/1.3/src/haproxy-1.3.20.tar.gz# tar zcvf haproxy-1.3.20.tar.gz# CD haproxy-1.3.20# make target=linux26 prefix=/usr/local/haproxy #将haproxy安装到/usr/l

First, IntroductionHaproxy provides high availability, load balancing, and proxies based on TCP and HTTP applications, supporting virtual hosting, which is a free, fast, and reliable solution. Haproxy is especially useful for Web sites that are heavily loaded, and often require session-hold or seven-tier processing. The haproxy runs on the current hardware and can support tens of thousands of concurrent con

Ubuntu + haproxy + keepalived master load 1. test environment: System: ubuntu server 12.04 haproxy version: 1.4.24 keepalived version: keepalived-1.2.7 haporxy01: eth0: appseth1: 192.168.100.36 haporxy02: eth0: 172.16.1.37 eth1: 192.168.100.37 vip1: 172.16.1.30 2: 172.16.1.31 nginx x1website: nginx1 nginx2 website: ningx2 nginx3 website: nginx3 nginx4 website: nginx4 2. network Structure user | (vip1) | (vi

Http://hi.baidu.com/coolda/blog/item/b9d9e8f87b2be51bd8f9fd7d.html Installation and deployment of haproxy Considering the concurrency of the company's current server, we finally chose haproxy to achieve load balancing. Compared with other Server Load balancer systems, the configuration and use of haproxy is relatively simple.The following is a self-installed and

Haproxy although with Ha, but it does is load balanced. Haproxy is working on the four floor, which means that it can represent a wider range of services than Nginx, with a higher performance than nginx. Compared to LVS, configurable and relatively good, the need for the machine is not more than LVS. So haproxy is good to use under certain demand. For example, us

Tags: des blog http os io for AR art divWhen I started working in Open Stack, I had to investigate about the HA of the Nova component. Unfortunatly the Nova configuration needed a single entry point-to-connect to the MySQL database. The solution, came to me is to use HAProxy on top of my existing Galera cluster. I. IntroductionReminder:i'll use the configuration of my previous Article:mysql multi-master réplication with Galera, the Architectur E works

Tags: roc you virtual host Targe Port manual logging response modeThis time using Haproxy only test the web side of high availability and load balancing, the problem is that Haproxy is a single point, so you also need to keepalived haproxy high availability, the next explanation.Server:*.*.*.*:haproxyTwo HTTPWhat you need to know is:1. High availability and load

SchemeIn the previous article, we discussed the theoretical knowledge of load balancing, and this article I intend to talk about practical methods and problems encountered in practiceScenario: Haproxy HTTP Layer Load BalancingInstall a Haproxy service, two Web servicesHaproxy:192.168.1.227:80Web1 Http://192.168.1.226:8081/loginWEB2 Http://192.168.1.246:8888/loginThe Web service is prepared for itself, and t

Haproxy is a cluster scheduling tool that provides high availability, load balancing, and proxy software based on TCP (layer fourth) and HTTP (layer seventh) applications, supporting virtual hosting, which is a free, fast, and reliable solution. Haproxy is especially useful for Web sites that are heavily loaded, and often require session-hold or seven-tier processing. H