{"id":249,"date":"2013-01-07T15:37:24","date_gmt":"2013-01-07T07:37:24","guid":{"rendered":"http:\/\/www.shuran.cn\/?p=249"},"modified":"2013-01-07T15:37:24","modified_gmt":"2013-01-07T07:37:24","slug":"%e5%88%a9%e7%94%a8ucarp%e5%ae%9e%e7%8e%b0%e8%99%9a%e6%8b%9fip%e6%95%85%e9%9a%9c%e8%bd%ac%e7%a7%bb","status":"publish","type":"post","link":"https:\/\/www.shuran.cn\/?p=249","title":{"rendered":"\u5229\u7528ucarp\u5b9e\u73b0\u865a\u62dfIP\u6545\u969c\u8f6c\u79fb"},"content":{"rendered":"<p>\u5229\u7528ucarp\u5b9e\u73b0\u865a\u62dfIP\u6545\u969c\u8f6c\u79fb<\/p>\n<p>\u4e00\u3001\u6982\u8ff0<\/p>\n<p>1. UCARP\u7b80\u4ecb<br \/>\nUCARP\u5141\u8bb8\u591a\u4e2a\u4e3b\u673a\u5171\u4eab\u4e00\u4e2a\u865a\u62df\u7684ip\u5730\u5740\uff0c\u4ee5\u63d0\u4f9b\u81ea\u52a8\u7684\u6545\u969c\u6062\u590d\u529f\u80fd\uff0c\u5f53\u5176\u4e2d\u67d0\u4e2a\u4e3b\u673a\u5b95\u673a\u65f6\uff0c\u5176\u5b83\u7684\u4e3b\u673a\u4f1a\u81ea\u52a8\u63a5\u7ba1\u670d\u52a1\u3002UCARP\u662fCARP\u534f\u8bae\uff08\u901a\u7528\u5730\u5740\u5197\u4f59\u534f\u8bae\uff0c\u6700\u65e9\u5728OpenBSD\u4e0a\u5b9e\u73b0\uff09\u7684linux\u5b9e\u73b0\u7248\u672c\uff0c\u540c\u65f6\u4e5f\u80fd\u79fb\u690d\u5230\u5176\u5b83\u591a\u4e2aunix\u5e73\u53f0\uff0cUCARP\u7684\u5b98\u65b9\u7f51\u7ad9\uff1ahttp:\/\/www.ucarp.org\/project\/ucarp \u3002<br \/>\nCARP\u534f\u8bae\u7684\u7279\u70b9\u5728\u4e8e\u5176\u975e\u5e38\u4f4e\u7684\u5f00\u9500\uff0c\u4e3b\u673a\u95f4\u4f7f\u7528\u52a0\u5bc6\u6570\u636e\u4f20\u9012\u4fe1\u606f\uff0c\u5e76\u4e14\u5728\u5197\u4f59\u4e3b\u673a\u4e4b\u95f4\u4e0d\u9700\u8981\u4efb\u4f55\u989d\u5916\u7684\u7f51\u7edc\u94fe\u63a5\uff08\u5728README\u4e2d\u6709ucarp\u7684\u7b80\u5355\u90e8\u7f72\u5b9e\u4f8b\uff09\u3002<\/p>\n<p>2.\u914d\u7f6e\u9700\u6c42<br \/>\n\u4e24\u4e2a\u6216\u591a\u4e2a\u4e3b\u673a\u4ee5\u6784\u6210\u5197\u4f59\u4e3b\u673a\u7ec4\uff1b<br \/>\n\u4e00\u4e2a\u5171\u4eab\u7684\u865a\u62dfip\u5730\u5740\uff0c\u7528\u4ee5\u5bf9\u5916\u63d0\u4f9b\u53ef\u9760\u7684\u670d\u52a1\uff0c\u5197\u4f59\u4e3b\u673a\u7ec4\u4e2d\u7684\u67d0\u4e2a\u4e3b\u673a\u4f1a\u5bf9\u4f1a\u5bf9\u8fd9\u4e2aip\u4e0a\u7684\u670d\u52a1\u8fdb\u884c\u5e94\u7b54\uff1b<br \/>\n\u5bf9\u4e8e\u6bcf\u4e2a\u4e3b\u673a\uff0c\u9700\u8981\u914d\u7f6e\u4e00\u4e2a\u771f\u5b9e\u7684ip\u5730\u5740\uff1b<br \/>\n\u4e00\u4e2a1-255\u4e4b\u95f4\u7684\u5171\u4eab\u6807\u8bc6\u7b26\uff1b<br \/>\n\u4e00\u4e2a\u5171\u4eab\u7684\u5bc6\u7801\uff08\u4f7f\u5f97\u7f51\u7edc\u95f4\u4f20\u8f93\u7684\u6d88\u606f\u90fd\u4e3a\u5bc6\u6587\uff09\uff1b<br \/>\n\u5f53\u5197\u4f59\u7ec4\u4e2d\u67d0\u4e2a\u4e3b\u673a\u6210\u4e3aMASTER\u65f6\u6267\u884c\u7684\u811a\u672c\u7a0b\u5e8f\uff1b<br \/>\n\u5f53\u5197\u4f59\u7ec4\u4e2d\u67d0\u4e2a\u4e3b\u673a\u4e0d\u518d\u662fMASTER\u662f\u6267\u884c\u7684\u811a\u672c\u7a0b\u5e8f\uff1b<\/p>\n<p>3 Ucap\u5177\u4f53\u53c2\u6570\u8be6\u89e3<br \/>\n--inter (-i &lt;if&gt;: bind interface &lt;if&gt; (\u7f51\u7edc\u63a5\u53e3\u7ed1\u5b9a\u7f51\u7edc\u63a5\u53e3)<br \/>\n--srcip=&lt;ip&gt; (-s &lt;ip&gt;: source (real) IP address of that host (\u6e90\u5730\u5740\u771f\u5b9eip)<br \/>\n--vhid=&lt;id&gt; (-v &lt;id&gt;: virtual IP identifier (1-255) (\u865a\u62dfip\u6807\u8bc6(1-255))<br \/>\n--pass=&lt;pass&gt; (-p &lt;pass&gt;: password (\u5bc6\u7801)<br \/>\n--preempt (-P): becomes a master as soon as possible (\u4ee5\u6700\u5feb\u7684\u901f\u5ea6\u6210\u4e3a\u4e3b\u670d\u52a1\u5668\u7684\u89d2\u8272)<br \/>\n--neutral (-n): don't run downscript at start if backup (\u5982\u679c\u662f\u5907\u4efd\u4e3b\u673a,\u542f\u52a8\u7684\u65f6\u5019\u4e0d\u8fd0\u884cdownscript.)<br \/>\n--addr=&lt;ip&gt; (-a &lt;ip&gt;: virtual shared IP address( \u5171\u4eab\u865a\u62dfip\u5730\u5740)<br \/>\n--help (-h): summary of command-line options (\u5e2e\u52a9)<br \/>\n--advbase=&lt;seconds&gt; (-b &lt;seconds&gt;: advertisement frequency (\u5e7f\u64ad\u7684\u9891\u7387(\u79d2))<br \/>\n--advskew=&lt;skew&gt; (-k &lt;skew&gt;: advertisement skew (0-255) (\u4e0d\u5e7f\u64ad)\u7528\u6765\u8bbe\u7f6e\u516c\u544a\u95f4\u9694\u65f6\u95f4, \u516c\u5f0f(\u4ee5\u79d2\u8ba1)\u4e3aadvskew\/256+advbase\u3002advbase\u53ef\u4ee5\u51cf\u5c11\u7f51\u7edc\u6d41\u91cf\u6216\u8bbe\u7f6e\u66f4\u957f\u7684\u4e3b\u529b\u673a\"\u8f6e\u5faa\"\u65f6\u95f4(\u76f4\u81f3\u5907\u4efd\u673a\u6765\u9876\u66ff\u5b83);advskew\u8bbe\u7f6e\u54ea\u53f0\u70ed\u5907\u4efd\u8ba1\u7b97\u673a\u5728\u6545\u969c\u8f6c\u79fb\u65f6\u4f18\u5148\u6210\u4e3a\u4e3b\u529b\u673a(\u8fd9\u662f\u5fc5\u9700\u7684)<br \/>\n--upscript=&lt;file&gt; (-u &lt;file&gt;: run &lt;file&gt; to become a master (\u8fd0\u884c\u4e00\u4e2a\u811a\u672c\u6587\u4ef6\uff0c\u4f7f\u672c\u670d\u52a1\u5668\u6210\u4e3a\u4e3b\u670d\u52a1\u5668)<br \/>\n--downscript=&lt;file&gt; (-d &lt;file&gt;: run &lt;file&gt; to become a backup (\u8fd0\u884c\u4e00\u4e2a\u811a\u672c\u6587\u4ef6\uff0c\u4f7f\u672c\u670d\u52a1\u5668\u6210\u4e3a\u4ece\u670d\u52a1\u5668)<br \/>\n--deadratio=&lt;ratio&gt; (-r &lt;ratio&gt;: ratio to consider a host as dead (\u8ba4\u5b9a\u4e3b\u673a\u5df2\u7ecf\u6b7b\u6389\u7684\u6bd4\u7387\uff08\u9600\u503c\uff09)<br \/>\n--shutdown (-z): call shutdown script at exit (\u5728\u9000\u51fa\u7684\u65f6\u5019\uff0c\u6267\u884c\u5173\u95ed\u7684\u811a\u672c)<br \/>\n--daemonize (-B): run in background (\u8fd0\u884c\u5728\u540e\u53f0)<br \/>\n--facility=&lt;facility&gt; (-f): set syslog facility (default=daemon) (\u8bbe\u7f6esyslog\u5de5\u5177,\u9ed8\u8ba4\u5728\u540e\u53f0)<\/p>\n<p>Ucarp\u53c2\u6570\u7b80\u8ff0\uff1a<br \/>\n-v vip\u6807\u8bc6 \u2013p \u5bc6\u7801 \u2013a vip\u5730\u5740 \u2013u \u5f53\u673a\u5668\u4e3a\u5347\u4e3amaster\u65f6\u8fd0\u884c\u7684\u811a\u672c \u2013d \u5f53\u673a\u5668\u964d\u4e3aslave\u65f6\u8fd0\u884c\u7684\u811a\u672c \u2013s\u5fc3\u8df3ip\u5730\u5740 \u2013P\u4e0e-k\u7ed3\u5408\u6700\u5c0f\u7684\u4e3amaster\u673a\u5668 \u2013B\u4ee5daemon\u65b9\u5f0f\u8fd0\u884c<\/p>\n<p>4.\u5b9e\u9a8c\u73af\u5883<br \/>\nRole\u00a0\u00a0\u00a0 hostname\u00a0\u00a0 real_ip\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 vip\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 gateway\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 OS<br \/>\nmaster\u00a0 node2\u00a0\u00a0\u00a0\u00a0\u00a0 192.168.32.32\/24\u00a0\u00a0\u00a0 192.168.32.22\/24\u00a0\u00a0 192.168.32.254\u00a0\u00a0\u00a0 rhel5.5<br \/>\nslave\u00a0\u00a0 node3\u00a0\u00a0\u00a0\u00a0\u00a0 192.168.32.33\/24\u00a0\u00a0\u00a0 192.168.32.22\/24\u00a0\u00a0 192.168.32.254\u00a0\u00a0\u00a0 rhel5.5<\/p>\n<p>\u4e8c\u3001\u5b89\u88c5\u914d\u7f6e<br \/>\n1\u3001\u5b89\u88c5<br \/>\n[root@node2 ~]# tar -zxf ucarp-1.5.tar.gz\u00a0\u00a0 #ucarp\u6700\u597d\u9009\u62e91.2\u4ee5\u4e0a\u7248\u672c\uff0c1.1\u4ee5\u4e0b\u542b\u6709bug<br \/>\n[root@node2 ~]# cd ucarp-1.5<br \/>\n[root@node2 ucarp-1.5]# which gcc\u00a0\u00a0 #\u786e\u5b9agcc<br \/>\n\/usr\/bin\/gcc<br \/>\n[root@node2 ucarp-1.5]#\u00a0 .\/configure CC=\/usr\/bin\/gcc --prefix=\/usr\/local\/ucarp<br \/>\n[root@node2 ucarp-1.5]# make &amp;&amp; make install<\/p>\n<p>2\u3001\u914d\u7f6e\u4e3b\u670d\u52a1\u5668\uff08node2\uff09<br \/>\n2.1 \u7f16\u5199\u673a\u5668\u5347\u4e3amaster\u65f6\u8fd0\u884c\u7684\u811a\u672c<br \/>\n[root@node2 ~]# vim \/etc\/master-up.sh<br \/>\n#!\/bin\/bash<br \/>\nGATEWAY=192.168.32.254<br \/>\n\/sbin\/ip addr add 192.168.32.22\/24 dev eth0<br \/>\n\/bin\/hostname nodevir2<br \/>\n\/sbin\/route add default gw $GATEWAY<br \/>\nservice httpd start<\/p>\n<p>2.2 \u7f16\u5199\u673a\u5668\u964d\u4e3aslave\u65f6\u8fd0\u884c\u7684\u811a\u672c<br \/>\n[root@node2 ~]# vim \/etc\/master-down.sh<br \/>\n#!\/bin\/bash<br \/>\nGATEWAY=192.168.32.254<br \/>\n\/sbin\/ip addr del 192.168.32.22\/24 dev eth0<br \/>\n\/bin\/hostname node2<br \/>\n\/sbin\/route add default gw $GATEWAY<br \/>\nservice httpd stop<\/p>\n<p>2.3 \u7f16\u5199ucarp\u8fd0\u884c\u811a\u672c<br \/>\n[root@node2 ~]# vim \/etc\/master.sh<br \/>\n#!\/bin\/bash<br \/>\n\/usr\/local\/ucarp\/sbin\/ucarp -i eth0 -v 40 -p gw22 -a 192.168.32.22 -u \/etc\/master-up.sh -d \/etc\/master-down.sh -s 192.168.32.32 -P -B<\/p>\n<p>2.4 \u542f\u52a8\u670d\u52a1<br \/>\n[root@node2 ~]# . \/etc\/master.sh<br \/>\n[root@node2 ~]# ps -ef | grep ucarp<br \/>\nroot\u00a0\u00a0\u00a0\u00a0 11695\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/local\/ucarp\/sbin\/ucarp -i eth0 -v 40 -p gw22 -a 192.168.32.22 -u \/root\/master-up.sh -d \/root\/master-down.sh -s 192.168.32.32 -P -B<br \/>\n[root@node2 ~]# hostname\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #hostname\u5207\u6362\u6210\u529f<br \/>\nnodevir2<br \/>\n[root@node2 ~]# ip addr show | grep 22\u00a0\u00a0\u00a0 #master-up.sh\u811a\u672c\u751f\u6548<br \/>\ninet 192.168.32.22\/24 scope global secondary eth0<br \/>\n[root@nodevir2 ~]# ps -ef | grep httpd\u00a0\u00a0\u00a0\u00a0\u00a0 #httpd\u670d\u52a1\u542f\u52a8<br \/>\nroot\u00a0\u00a0\u00a0\u00a0 11726\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11727 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11729 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache \u00a0\u00a011730 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11731 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11732 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11733 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache \u00a0\u00a011734 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11735 11726\u00a0 0 11:33 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\nroot\u00a0\u00a0\u00a0\u00a0 11897\u00a0 6167\u00a0 0 11:44 pts\/1\u00a0\u00a0\u00a0 00:00:00 grep httpd<\/p>\n<p>3.\u914d\u7f6e\u5907\u670d\u52a1\u5668\uff08node3\uff09<br \/>\n3.1 \u7f16\u5199\u673a\u5668\u5347\u4e3amaster\u65f6\u8fd0\u884c\u7684\u811a\u672c<br \/>\n[root@node3 ~]# vim \/etc\/master-up.sh<br \/>\n#!\/bin\/bash<br \/>\nGATEWAY=192.168.32.254<br \/>\n\/sbin\/ip addr add 192.168.32.22\/24 dev eth0<br \/>\n\/bin\/hostname nodevir2<br \/>\n\/sbin\/route add default gw $GATEWAY<br \/>\nservice httpd start<\/p>\n<p>3.2 \u7f16\u5199\u673a\u5668\u964d\u4e3aslave\u65f6\u8fd0\u884c\u7684\u811a\u672c<br \/>\n[root@node2 ~]# vim \/etc\/master-down.sh<br \/>\n#!\/bin\/bash<br \/>\nGATEWAY=192.168.32.254<br \/>\n\/sbin\/ip addr del 192.168.32.22\/24 dev eth0<br \/>\n\/bin\/hostname node3<br \/>\n\/sbin\/route add default gw $GATEWAY<br \/>\nservice httpd stop<\/p>\n<p>3.3 \u7f16\u5199ucarp\u8fd0\u884c\u811a\u672c<br \/>\n[root@node2 ~]# vim \/etc\/master.sh<br \/>\n#!\/bin\/bash<br \/>\n\/usr\/local\/ucarp\/sbin\/ucarp -i eth0 -v 40 -p gw22 -a 192.168.32.22 -u \/etc\/master-up.sh -d \/etc\/master-down.sh -s 192.168.32.33 -P -k 15 -B<\/p>\n<p>3.4 \u542f\u52a8\u670d\u52a1<br \/>\n[root@node2 ~]# . \/etc\/master.sh<br \/>\nroot\u00a0\u00a0\u00a0\u00a0\u00a0 5678\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:40 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/local\/ucarp\/sbin\/ucarp -v 40 -i eth0 -p gw22 -a 192.168.32.22 -u \/root\/master-up.sh -d \/root\/master-down.sh -s 192.168.32.33 -k 15 -B<br \/>\n[root@node3 ~]# ps -ef | grep httpd\u00a0\u00a0 #httpd\u670d\u52a1\u4e3a\u542f\u52a8<br \/>\nroot\u00a0\u00a0\u00a0\u00a0\u00a0 5788 32767\u00a0 0 11:46 pts\/1\u00a0\u00a0\u00a0 00:00:00 grep httpd<\/p>\n<p>\u4e09. \u6545\u969c\u5207\u6362<br \/>\n1. \u4e3b\u6545\u969c<br \/>\n[root@nodevir2 ~]# kill 5678\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #down\u6389ucarp\u670d\u52a1\uff0c\u6216\u91cd\u542f\u670d\u52a1\u5668<\/p>\n<p>[root@node3 ~]# hostname\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #hostname\u5207\u6362\u6210\u529f<br \/>\nnodevir2<br \/>\n[root@node3 ~]# ip addr show | grep 22\u00a0\u00a0\u00a0 #\u865a\u62dfIP\u5207\u6362\u6210\u529f<br \/>\ninet 192.168.32.22\/24 scope global secondary eth0<br \/>\n[root@node3 ~]# ps -ef | grep httpd\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 #\u670d\u52a1\u5207\u6362\u6210\u529f<br \/>\nroot\u00a0\u00a0\u00a0\u00a0\u00a0 5824\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5826\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5827\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5828\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5829\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5830\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5831\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5832\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0\u00a0 5833\u00a0 5824\u00a0 0 11:47 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/<\/p>\n<p>2.\u4e3b\u6062\u590d<br \/>\n[root@node2 ~]# . \/etc\/master.sh<br \/>\n[root@nodevir2 ~]# hostname<br \/>\nnodevir2<br \/>\n[root@node2 ~]# ps -ef | grep httpd<br \/>\nroot\u00a0 \u00a0\u00a0\u00a011969\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11970 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11972 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11973 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11974 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11975 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11976 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11977 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\napache\u00a0\u00a0 11978 11969\u00a0 0 11:46 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 \/usr\/sbin\/httpd<br \/>\n[root@node2 ~]# ip addr show | grep 22<br \/>\ninet 192.168.32.22\/24 scope global secondary eth0<\/p>\n<p>[root@node3 ~]# hostname<br \/>\nnode3<br \/>\n[root@node3 ~]# ps -ef | grep httpd<br \/>\nroot\u00a0\u00a0\u00a0\u00a0\u00a0 6148 32767\u00a0 0 12:02 pts\/1\u00a0\u00a0\u00a0 00:00:00 grep httpd<br \/>\n[root@node3 ~]# ip addr show | grep 22\u00a0\u00a0 #\u6210\u529f\u5207\u6362<\/p>\n<p>\u4f5c\u8005 netsword.blogchina.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528ucarp\u5b9e\u73b0\u865a\u62dfIP\u6545\u969c\u8f6c\u79fb \u4e00\u3001\u6982\u8ff0 1. UCARP\u7b80\u4ecb UCARP\u5141\u8bb8\u591a\u4e2a\u4e3b\u673a\u5171\u4eab\u4e00\u4e2a\u865a\u62df\u7684ip\u5730\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.shuran.cn\/?p=249\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-249","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=249"}],"version-history":[{"count":1,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/249\/revisions"}],"predecessor-version":[{"id":250,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/249\/revisions\/250"}],"wp:attachment":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}