\u76ee\u7684\u8981\u6c42:<\/p>\n
\u8bbf\u95eevip\u65f6\uff0c\u8c03\u5ea6\u5668ipvs\u53ef\u4ee5\u8f6e\u8c03realserver\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002
\nkeepalived\u4f7f\u8c03\u5ea6\u5668(ipvs)\u5b9e\u73b0master\u548cbackup\uff0c\u5982\u679cmaster\u6302\u6389\uff0cbackup\u53ef\u4ee5\u8865\u4e0a\uff0c\u4fdd\u6301\u9ad8\u53ef\u7528,keepalived\u5728lvs\u7684\u4f5c\u7528\u53c2\u8003http:\/\/www.linuxvirtualserver.org\/docs\/ha\/keepalived.html\u3002<\/p>\n
\u5b89\u88c5\u8981\u6c42:<\/p>\n
\u8c03\u5ea6\u5668\uff0c\u5b89\u88c5ipvsadm+keepalived
\n192.168.9.205 lvs+keepalived master
\n192.168.9.204 lvs+keepalived slave<\/p>\n
Realserver\u5b89\u88c5web\u670d\u52a1
\n192.168.9.203
\n192.168.9.201<\/p>\n
vip
\n192.168.9.206<\/p>\n
\u6240\u6709\u673a\u5668\u90fd\u5728\u4e00\u4e2a\u4ea4\u6362\u673a\uff0c\u5e76\u4e14\u5728\u4e00\u4e2a\u7f51\u6bb5\u3002\u4f7f\u7528LVS VS\/DR\u6a21\u5f0f\uff0c\u5373\u76f4\u63a5\u8def\u7531\u5b9e\u73b0\u865a\u62df\u670d\u52a1\u5668\u3002<\/p>\n
\u5728master\u548cbackup\u4e0a\u8981\u5b89\u88c5ipvsadm\u548ckeepalived<\/p>\n
\u4e0b\u8f7d\u8f6f\u4ef6\u5305<\/p>\n
\u5728http:\/\/www.linuxvirtualserver.org\/ \u4e0b\u8f7dlvs\u7684\u8f6f\u4ef6\u5305<\/p>\n
\u5728http:\/\/www.keepalived.org\/ \u4e0b\u8f7dkeepalived\u8f6f\u4ef6\u5305<\/p>\n
\u5148\u7f16\u8bd1\u5b89\u88c5lvs\uff0c\u518d\u5b89\u88c5keepalived\uff0c\u5b89\u88c5lvs\u9700\u8981\u5185\u6838\u6e90\u7801<\/p>\n
\u4e0b\u8f7dlvs\u6e90\u7801\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u8981\u9009\u62e9\u4f60\u5185\u6838\u7248\u672c\u5bf9\u5e94\u7684\u6e90\u7801\u5305\u3002<\/p>\n
yum install kernel-devel -y\r\nln -s \/usr\/src\/kernels\/2.6.32-358.23.2.el6.x86_64\/ \/usr\/src\/linux\r\nwget http:\/\/www.linuxvirtualserver.org\/software\/kernel-2.6\/ipvsadm-1.26.tar.gz\r\ntar zxvf ipvsadm-1.26.tar.gz\r\ncd ipvsadm-1.26\r\nmake && make install<\/pre>\n\u5230\u8fd9\u91ccipvs\u8c03\u5ea6\u5668\u5df2\u7ecf\u5b89\u88c5\u5b8c\u6bd5\uff0c\u4f7f\u7528ipvsadm\u547d\u4ee4\u67e5\u770bipvs\u7684\u72b6\u6001<\/p>\n
\u4f7f\u7528lsmod | grep ip_vs\u53ef\u4ee5\u67e5\u770b\u5df2\u7ecf\u52a0\u8f7d\u7684\u6a21\u5757\u4ee5\u53ca\u8c03\u5ea6\u7b97\u6cd5\uff0c\u5982\u4e0b\u663e\u793a\u4f7fe\u7528\u7684\u7b97\u6cd5\u662frr<\/p>\n
ip_vs_rr 1420 1 \r\nip_vs 115643 3 ip_vs_rr\r\nlibcrc32c 1246 1 ip_vs\r\nipv6 321422 16 ip_vs,ip6t_REJECT,nf_conntrack_ipv6,nf_defrag_ipv6<\/pre>\n\u63a5\u4e0b\u6765\u5b89\u88c5keepalived<\/p>\n
wget http:\/\/www.keepalived.org\/software\/keepalived-1.2.9.tar.gz\r\ntar vxzf keepalived-1.2.9.tar.gz\r\ncd keepalived-1.2.9\r\n.\/configure\u7684\u65f6\u5019\uff0c\u68c0\u67e5\u4ee5\u4e0b\u51e0\u884c\r\nUse IPVS Framework : Yes\r\nIPVS sync daemon support : Yes\r\n\u4ee3\u8868\u68c0\u6d4b\u5230\u4e86lvs\uff0c\u63a5\u4e0b\u6765\u8fd0\u884cmake && make install\u5b89\u88c5\u5373\u53ef\u3002<\/pre>\n\u5bf9keepalived\u76ee\u5f55\u7ed3\u6784\u8fdb\u884c\u8c03\u6574<\/p>\n
mkdir -p \/etc\/keepalived\r\ncp \/usr\/local\/keepalived\/sbin\/keepalived \/usr\/sbin\/\r\ncp \/usr\/local\/keepalived\/etc\/sysconfig\/keepalived \/etc\/sysconfig\/\r\ncp \/usr\/local\/keepalived\/etc\/rc.d\/init.d\/keepalived \/etc\/init.d\/\r\ncp \/usr\/local\/keepalived\/etc\/keepalived\/keepalived.conf \/etc\/keepalived\/<\/pre>\n\u5728\u5b89\u88c5\u597dlvs\u548ckeepalived\u4e4b\u540e\uff0c\u5373\u4fee\u6539\/etc\/keepalived\/keepalived.conf\u914d\u7f6e\u6587\u4ef6\uff0c\u4ee5\u4e0b\u662fMASTER\u7684\u914d\u7f6e<\/p>\n
! Configuration File for keepalived\r\n\r\nglobal_defs {\r\n router_id LVS_DEVEL\r\n}\r\n\r\nvrrp_instance VI_1 {\r\n state MASTER\r\n interface eth0\r\n virtual_router_id 51\r\n priority 100\r\n advert_int 1\r\n authentication {\r\n auth_type PASS\r\n auth_pass 1111\r\n }\r\n virtual_ipaddress {\r\n 192.168.9.206\r\n }\r\n}\r\n\r\nvirtual_server 192.168.9.206 80 {\r\n delay_loop 6\r\n lb_algo rr\r\n lb_kind DR\r\n# persistence_timeout 5\r\n protocol TCP\r\n\r\n real_server 192.168.9.203 80 {\r\n weight 3\r\n TCP_CHECK {\r\n connect_timeout 3\r\n nb_get_retry 3\r\n delay_before_retry 3\r\n connect_port 80\r\n }\r\n }\r\n\r\n real_server 192.168.9.201 80 {\r\n weight 3\r\n TCP_CHECK {\r\n connect_timeout 3\r\n nb_get_retry 3\r\n delay_before_retry 3\r\n connect_port 80\r\n }\r\n }\r\n}<\/pre>\n\u5728BACKUP\u5c06\u4e0a\u9762\u7684state MASTER\u66ff\u6362\u4e3astate BACKUP\u5373\u53ef<\/p>\n
\u5728realserver\u4e0a\u7684\u914d\u7f6e:
\n\u6839\u636elvs\u7684\u5b98\u65b9\u6587\u6863\uff0cDR\u6a21\u5f0f\u9700\u8981\u5728realserver\u4e0a\u6dfb\u52a0\u672c\u5730\u56de\u73af\u7684vip\uff0c\u5e76\u4e14\u662fNon-ARP\uff0c\u5bf9\u5916\u4e0d\u53ef\u89c1\uff0c\u8fd9\u6837\u4f7f\u54cd\u5e94\u62a5\u6587\u7684\u6e90\u5730\u5740\u4e5f\u662fvip\u3002\u53c2\u89c1\uff1ahttp:\/\/zh.linuxvirtualserver.org\/node\/28<\/p>\n\u4e3a\u65b9\u4fbf\u4f7f\u7528\uff0c\u521b\u5efarealserver-vip.sh\uff0c\u6dfb\u52a0<\/p>\n
#!\/bin\/bash\r\n#description:start realserver\r\nvip=192.168.9.206\r\nsource \/etc\/rc.d\/init.d\/functions\r\ncase $1 in\r\nstart)\r\n echo \"Start Realserver\"\r\n \/sbin\/ifconfig lo:0 $vip broadcast $vip netmask 255.255.255.255 up\r\n echo \"1\" > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_ignore\r\n echo \"2\" > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_announce\r\n echo \"1\" > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_ignore\r\n echo \"2\" > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_announce\r\n;;\r\nstop)\r\n echo \"Stop Realserver\"\r\n \/sbin\/ifconfig lo:0 down\r\n echo \"0\" > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_ignore\r\n echo \"0\" > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_announce\r\n echo \"0\" > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_ignore\r\n echo \"0\" > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_announce\r\n;;\r\n*)\r\n echo \"Usage: $0 (start | stop)\"\r\nexit 1\r\nesac<\/pre>\n\u6267\u884cbash realserver-vip.sh start\uff0c\u6dfb\u52a0lo:0<\/p>\n
\u4f7f\u7528ip addr list\u547d\u4ee4\u53ef\u67e5\u770b\u5f53\u524d\u673a\u5668\u7684vip\u662f\u5426\u751f\u6548\u3002<\/p>\n
\u63a5\u4e0b\u6765\u6d4b\u8bd5\uff0c\u6a21\u62dfMASTER\u6302\u6389\u548c\u6062\u590d\uff0crealserver\u6302\u6389\u53ca\u6062\u590d\uff0c\u670d\u52a1\u662f\u5426\u9ad8\u53ef\u7528\u8fd0\u8f6c\u5373\u53ef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u76ee\u7684\u8981\u6c42: \u8bbf\u95eevip\u65f6\uff0c\u8c03\u5ea6\u5668ipvs\u53ef\u4ee5\u8f6e\u8c03realserver\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002 keepalived\u4f7f\u8c03\u5ea6\u5668(ipvs)\u5b9e\u73b0master\u548cbackup\uff0c\u5982\u679cmaster\u6302\u6389\uff0cbackup\u53ef\u4ee5\u8865\u4e0a\uff0c\u4fdd\u6301\u9ad8\u53ef\u7528,keepalived\u5728lvs\u7684\u4f5c\u7528\u53c2\u8003http:\/\/www.linuxvirtualserver.org\/docs\/ha\/keepalived.html\u3002 \u5b89\u88c5\u8981\u6c42: \u8c03\u5ea6\u5668\uff0c\u5b89\u88c5ipvsadm+keepalived 192.168.9.205 lvs+keepalived master 192.168.9.204 lvs+keepalived slave Realserver\u5b89\u88c5web\u670d\u52a1 192.168.9.203 192.168.9.201 vip 192.168.9.206 \u6240\u6709\u673a\u5668\u90fd\u5728\u4e00\u4e2a\u4ea4\u6362\u673a\uff0c\u5e76\u4e14\u5728\u4e00\u4e2a\u7f51\u6bb5\u3002\u4f7f\u7528LVS VS\/DR\u6a21\u5f0f\uff0c\u5373\u76f4\u63a5\u8def\u7531\u5b9e\u73b0\u865a\u62df\u670d\u52a1\u5668\u3002 \u5728master\u548cbackup\u4e0a\u8981\u5b89\u88c5ipvsadm\u548ckeepalived \u4e0b\u8f7d\u8f6f\u4ef6\u5305 \u5728http:\/\/www.linuxvirtualserver.org\/ \u4e0b\u8f7dlvs\u7684\u8f6f\u4ef6\u5305 \u5728http:\/\/www.keepalived.org\/ \u4e0b\u8f7dkeepalived\u8f6f\u4ef6\u5305 \u5148\u7f16\u8bd1\u5b89\u88c5lvs\uff0c\u518d\u5b89\u88c5keepalived\uff0c\u5b89\u88c5lvs\u9700\u8981\u5185\u6838\u6e90\u7801 \u4e0b\u8f7dlvs\u6e90\u7801\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u8981\u9009\u62e9\u4f60\u5185\u6838\u7248\u672c\u5bf9\u5e94\u7684\u6e90\u7801\u5305\u3002 yum install kernel-devel -y ln -s \/usr\/src\/kernels\/2.6.32-358.23.2.el6.x86_64\/ \/usr\/src\/linux wget http:\/\/www.linuxvirtualserver.org\/software\/kernel-2.6\/ipvsadm-1.26.tar.gz tar zxvf ipvsadm-1.26.tar.gz cd ipvsadm-1.26 make && make install \u5230\u8fd9\u91ccipvs\u8c03\u5ea6\u5668\u5df2\u7ecf\u5b89\u88c5\u5b8c\u6bd5\uff0c\u4f7f\u7528ipvsadm\u547d\u4ee4\u67e5\u770bipvs\u7684\u72b6\u6001 \u4f7f\u7528lsmod | grep ip_vs\u53ef\u4ee5\u67e5\u770b\u5df2\u7ecf\u52a0\u8f7d\u7684\u6a21\u5757\u4ee5\u53ca\u8c03\u5ea6\u7b97\u6cd5\uff0c\u5982\u4e0b\u663e\u793a\u4f7fe\u7528\u7684\u7b97\u6cd5\u662frr ip_vs_rr 1420 1 ip_vs 115643 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,8],"tags":[],"class_list":["post-5946","post","type-post","status-publish","format-standard","hentry","category-life","category-linux"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5946","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5946"}],"version-history":[{"count":2,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5946\/revisions"}],"predecessor-version":[{"id":5949,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5946\/revisions\/5949"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}