linux下的服務(wù)器雙機熱備份

linux下服務(wù)器雙熱份，如做？的雙熱服務(wù)設(shè)【一】前境定兩臺機硬環(huán)必完全一致：cpu:xeon3g*2(em64t):2g1g*2對外對內(nèi)專用兩主機的使雙對線接接。區(qū)方：容掛點//dev/sda6/datas/boot/dev/sda39.7g另每臺主機應(yīng)預(yù)留的空者更來作用空被使用。作系：enterprise4update2(2.6.9-22預(yù)安裝件：@xwindowsystem@gnomeenvironment@kdedesktop@editors@and@graphicalinternet@text-basedinternet@and@serverconfiguration@tools@kerneldevelopment@xsoftware@software@kdesoftwaredevelopment@tools@system【二】安裝前絡(luò)環(huán)境定node1:機名：(01對地址eth1:01心跳使用地node2:機名：(02對地址eth1:02//ha心跳使用地特注意要檢查下幾個文件/etc/hosts/etc/host.confsconfig/network/etc/sy/etc/sy#vi的內(nèi)容：localhost.localdomainlocalhostservers201ha0102server202的容如下localhost.localdomainlocalhostservers202ha02ha0201server201hosts,bind9地址#catsconfig/networkes//主機名//網(wǎng)關(guān)//網(wǎng)使用卡es//動時載forward_ipv4="y只許ipv4#cat/etc/sysconfig/network-scripts/ifcfg-eth0ipaddr=01gatewayty#cat/etc/sysconfig/network-scripts/ifcfg-eth1bootproto=none[node1]與在上的配中除了/etc/hosts/etc/sysconfig/network要各自改外，其他一。配置完成后，試試在各自主機上方的主機名，應(yīng)該可以ping通:ha02pingha0256(84)bytesofdata.64fromha02(02):ttl=64time=0.19864fromha02(02):ttl=64time=0.26664fromha02(02):ttl=64time=0.148---statistics3received,0%packetloss,2002ms=2【】安裝ha與依包rpm-uvh可不rpm-uvhheartbeat-pils-2.0.4-1.el4.i386.rpmrpm-uvhheartbeat-stonith-2.0.4-1.el4.i386.rpmrpm-uvhheartbeat-2.0.4-1.el4.i386.rpmrpm-uvhipvsadm-1.24-5.i386.rpm【四】置各配置件配置跳加方/etc/ha.d/authkeys如果用機聯(lián)(雙絞可以配置：/etc/hc.d/authkeysauth11crc存盤出，然后#chmod600authkeys配置跳的控haresources#vi/etc/ha.d/haresources各主機部分應(yīng)完全相。ipaddr::00ipvsadmhttpd指定server201調(diào)用啟http服務(wù)統(tǒng)附加一個擬ip00給eth0:0這里果宕后server202可以自啟服務(wù)，新分配00給server202的配心跳的配置文件：##ha的日志文件記錄位置如沒有該目錄，則要手動添加bcasteth1使用做監(jiān)keepalive2##設(shè)心測時間時間為秒deadtime30initdead1udpport##使用端口進跳測auto_failback_disibledevent=rootuid=root設(shè)置的回監(jiān)測ipvsadm-a-t00:80ipvsadm-a-t00:80-r01:80-mipvsadm-a-t00:80-r02:80-m執(zhí)行進行測：--list如返結(jié)與下相同則置確。ipversion1.2.0(size=4096)protweight00:http->server202:http10->server201:httpmasq10【】服務(wù)啟、閉以測試啟動serviceheartbeat關(guān)閉serviceheartbeat系在啟動時已經(jīng)自動把加載了使服務(wù)試heartbeat首先動務(wù)#servicehttpdstart編各自主機的測試html文，放到var/www/html/目錄下。啟動的，并執(zhí)行個指令進行監(jiān)控status【六火置heartbeat默使udp