LVS+Keepalived負(fù)載均衡實(shí)施計(jì)劃方案

LVS+Keepalive負(fù)載均衡實(shí)施方案目錄TOC\o"1-5"\h\z\o"CurrentDocument"第一章文檔簡(jiǎn)介 3\o"CurrentDocument"第二章軟件環(huán)境 3\o"CurrentDocument"第三章系統(tǒng)基本配置 4\o"CurrentDocument"LVS、Keepalived依賴庫(kù)安裝 4\o"CurrentDocument"IP規(guī)劃 4\o"CurrentDocument"第四章LVS安裝配置 5\o"CurrentDocument"安裝 5第五章Keepalived安裝配置 6\o"CurrentDocument"安裝 6\o"CurrentDocument"將keepalived配置成系統(tǒng)服務(wù) 6\o"CurrentDocument"修改主keepalived配置文件 6\o"CurrentDocument"修改備keepalived配置文件 6\o"CurrentDocument"配置主備機(jī)LVSrealserver腳本 6\o"CurrentDocument"第七章測(cè)試 7\o"CurrentDocument"安裝Apache 7\o"CurrentDocument"啟動(dòng)Keepalived 7\o"CurrentDocument"執(zhí)行l(wèi)vs_realserver.sh 7\o"CurrentDocument"分別訪問主備機(jī)realserver 7\o"CurrentDocument"通過虛擬IP訪問 8\o"CurrentDocument"切換測(cè)試 8\o"CurrentDocument"相關(guān)命令 8第一章文檔簡(jiǎn)介L(zhǎng)VS是運(yùn)行在Linux平臺(tái)上的一款開源軟件，主要功能是實(shí)現(xiàn)Linux平臺(tái)的負(fù)載均衡。這款軟件在業(yè)界有著很高的知名度，同時(shí)在國(guó)互聯(lián)網(wǎng)公司有著很高的使用率，適合用于構(gòu)建大型系統(tǒng)的負(fù)載均衡平臺(tái)。Keepalived是運(yùn)行在LVS上面的雙機(jī)管理軟件，LVS配合Keepalived使用可以構(gòu)建熱備雙機(jī)結(jié)構(gòu)，實(shí)現(xiàn)主備機(jī)的切換。通過本文檔指導(dǎo)，可以架設(shè)一套LVS+keepalived結(jié)構(gòu)的負(fù)載均衡雙機(jī)熱備系統(tǒng)。第二章軟件環(huán)境軟件版本centos6.6LVS1.26keepalived1.2.7第三章系統(tǒng)基本配置LVS>Keepalived依賴庫(kù)安裝LVS、Keepalived安裝需要一些軟件包的支持，在兩臺(tái)LVS服務(wù)器上安裝下列庫(kù)yum-yinstallgccgcc-c++makepcrepcre-develkernel-developenssl-devellibnl-develpopt-develpopt*IP規(guī)劃LVS_MASTER39LVS_BACKUP40LVS_VIP01WEB_realserver139（這里是測(cè)試方便，正常情況應(yīng)該和LVS_MASTER區(qū)分開）WEB_realserver240（同上）配置路由轉(zhuǎn)發(fā)（LVS主備機(jī)上）echo"1">/proc/sys/net/ipv4/ipforward創(chuàng)建Keepalived安裝目錄mkdir-p/usr/local/frontserver/keepalived第四章LVS安裝配置安裝分別在LVS_MASTER和LVS_BACKUP上安裝LVS,獲取軟件源wget./software/kernel-20ipvsadm-1.26.tar.gz建立核的軟連接，否則LVS安裝編譯會(huì)失敗ln-s/usr/src/kernels/2.6.32-504.23.4.el6.x86_64//usr/src/linux（注意：如果/usr/src/kernels/T沒有核，運(yùn)行yum-yinstallkernel-deve）安裝tarzxvfipvsadm-1.26.tar.gzcdipvsadm-1.26make&&makeinstall第五章Keepalived安裝配置安裝wget./software/keepalived-1.2.7.tar.gztarzxvfkeepalived-1.2.7.tar.gzcdkeepalived-1.2.7./configure--prefix=/usr/local/frontserver/keepalivedmake&&makeinstall將keepalived配置成系統(tǒng)服務(wù)cp/usr/local/frontserver/keepalived/etc/rc.d/init.d/keepalived/etc/init.d/cp/usr/local/frontserver/keepalived/etc/sysconfig/keepalived/etc/sysconfig/mkdir-p/etc/keepalived/cp/usr/local/frontserver/keepalived/etc/keepalived/keepalived.conf/etc/keepalived/cp/usr/local/frontserver/keepalived/sbin/keepalived/usr/sbin/修改主keepalived配置文件vi/etc/keepalived/keepalived.conf修改備keepalived配置文件vi/etc/keepalived/keepalived.conf配置主備機(jī)LVSrealserver腳本vi~/lvs_realserver.sh第七章測(cè)試安裝Apache分別在兩臺(tái)realserver上安裝Apacheyum-yinstallhttpdcd/var//html/viindex.html<h1>WEB1/39</h1>啟動(dòng)/etc/init.d/httpdstart啟動(dòng)Keepalivedservicekeepalivedstart執(zhí)行l(wèi)vs_realserver.shsh~/lvsrealserver.shstart分別訪問主備機(jī)realserverIODhttp://192,16B.1E4,132 +WEB1/39通過虛擬IP訪