Linux-HA开源软件Heartbeat的配置
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或者通过 [root@node1 ~]#/etc/init.d/heartbeat start 这样就启动了主节点的heartbeat服务，为了让heartbeat能在开机自动运行以及关机自动关闭，可以手动创建以下软连接： [root@node1 ~]#ln -s /etc/init.d/heartbeat /etc/rc.d/rc0.d/K05heartbeat [root@node1 ~]#ln -s /etc/init.d/heartbeat /etc/rc.d/rc3.d/S75heartbeat [root@node1 ~]#ln -s /etc/init.d/heartbeat /etc/rc.d/rc5.d/S75heartbeat [root@node1 ~]#ln -s /etc/init.d/heartbeat /etc/rc.d/rc6.d/K05heartbeat Heartbeat启动时，通过“tail –f /var/log/ messages”查看主节点系统日志信息，输出如下： [root@node1 ~]# tail -f /var/log/messages Nov 26 07:52:21 node1 heartbeat: [3688]: info: Configuration validated. Starting heartbeat 2.0.8 Nov 26 07:52:21 node1 heartbeat: [3689]: info: heartbeat: version 2.0.8 Nov 26 07:52:21 node1 heartbeat: [3689]: info: Heartbeat generation: 3 Nov 26 07:52:21 node1 heartbeat: [3689]: info: G_main_add_TriggerHandler: Added signal manual handler Nov 26 07:52:21 node1 heartbeat: [3689]: info: G_main_add_TriggerHandler: Added signal manual handler Nov 26 07:52:21 node1 heartbeat: [3689]: info: glib: UDP Broadcast heartbeat started on port 694 (694) interface eth1 Nov 26 07:52:21 node1 heartbeat: [3689]: info: glib: UDP Broadcast heartbeat closed on port 694 interface eth1 - Status: 1 Nov 26 07:52:21 node1 heartbeat: [3689]: info: glib: ping heartbeat started. Nov 26 07:52:21 node1 heartbeat: [3689]: info: G_main_add_SignalHandler: Added signal handler for signal 17 Nov 26 07:52:21 node1 heartbeat: [3689]: info: Local status now set to: 'up' Nov 26 07:52:22 node1 heartbeat: [3689]: info: Link node1:eth1 up. Nov 26 07:52:23 node1 heartbeat: [3689]: info: Link 192.168.60.1:192.168.60.1 up. Nov 26 07:52:23 node1 heartbeat: [3689]: info: Status update for node 192.168.60.1: status ping 此段日志是Heartbeat在进行初始化配置，例如，heartbeat的心跳时间间隔、UDP广播端口、ping节点的运行状态等，日志信息到这里会暂停，等待120秒之后，heartbeat会继续输出日志，而这个120秒刚好是ha.cf中“initdead”选项的设定时间。此时heartbeat的输出信息如下： Nov 26 07:54:22 node1 heartbeat: [3689]: WARN: node node2: is dead Nov 26 07:54:22 node1 heartbeat: [3689]: info: Comm_now_up(): updating status to active Nov 26 07:54:22 node1 heartbeat: [3689]: info: Local status now set to: 'active' Nov 26 07:54:22 node1 heartbeat: [3689]: info: Starting child client "/usr/lib/heartbeat/ipfail" (694,694) Nov 26 07:54:22 node1 heartbeat: [3689]: WARN: No STONITH device configured. Nov 26 07:54:22 node1 heartbeat: [3689]: WARN: Shared disks are not protected. Nov 26 07:54:22 node1 heartbeat: [3689]: info: Resources being acquired from node2. Nov 26 07:54:22 node1 heartbeat: [3712]: info: Starting "/usr/lib/heartbeat/ipfail" as uid 694 gid 694 (pid 3712) 在上面这段日志中，由于node2还没有启动，所以会给出“node2: is dead”的警告信息，接下来启动了heartbeat插件ipfail，由于我们在ha.cf文件中没有配置STONITH，所以日志里也给出了“No STONITH device configured”的警告提示。 继续看下面的日志： Nov 26 07:54:23 node1 harc[3713]: info: Running /etc/ha.d/rc.d/status status Nov 26 07:54:23 node1 mach_down[3735]: info: /usr/lib/heartbeat/mach_down: nice_failback: foreign resources acquired Nov 26 07:54:23 node1 mach_down[3735]: info: mach_down takeover complete for node node2. Nov 26 07:54:23 node1 heartbeat: [3689]: info: mach_down takeover complete. Nov 26 07:54:23 node1 heartbeat: [3689]: info: Initial resource acquisition complete (mach_down) Nov 26 07:54:24 node1 IPaddr[3768]: INFO: Resource is stopped Nov 26 07:54:24 node1 heartbeat: [3714]: info: Local Resource acquisition completed. Nov 26 07:54:24 node1 harc[3815]: info: Running /etc/ha.d/rc.d/ip-request-resp ip-request-resp Nov 26 07:54:24 node1 ip-request-resp[3815]: received ip-request-resp 192.168.60.200/24/eth0 OK yes Nov 26 07:54:24 node1 ResourceManager[3830]: info: Acquiring resource group: node1 192.168.60.200/24/eth0 Filesystem::/dev/sdb5::/webdata::ext3 Nov 26 07:54:24 node1 IPaddr[3854]: INFO: Resource is stopped Nov 26 07:54:25 node1 ResourceManager[3830]: info: Running /etc/ha.d/resource.d/IPaddr 192.168.60.200/24/eth0 start Nov 26 07:54:25 node1 IPaddr[3932]: INFO: Using calculated netmask for 192.168.60.200: 255.255.255.0 Nov 26 07:54:25 node1 IPaddr[3932]: DEBUG: Using calculated broadcast for 192.168.60.200: 192.168.60.255 Nov 26 07:54:25 node1 IPaddr[3932]: INFO: eval /sbin/ifconfig eth0:0 192.168.60.200 netmask 255.255.255.0 broadcast 192.168.60.255 Nov 26 07:54:25 node1 avahi-daemon[1854]: Registering new address record for 192.168.60.200 on eth0. Nov 26 07:54:25 node1 IPaddr[3932]: DEBUG: Sending Gratuitous Arp for 192.168.60.200 on eth0:0 [eth0] Nov 26 07:54:26 node1 IPaddr[3911]: INFO: Success Nov 26 07:54:26 node1 Filesystem[4021]: INFO: Resource is stopped Nov 26 07:54:26 node1 ResourceManager[3830]: info: Running /etc/ha.d/resource.d/Filesystem /dev/sdb5 /webdata ext3 start Nov 26 07:54:26 node1 Filesystem[4062]: INFO: Running start for /dev/sdb5 on /webdata Nov 26 07:54:26 node1 kernel: kjournald starting. Commit interval 5 seconds Nov 26 07:54:26 node1 kernel: EXT3 FS on sdb5, internal journal Nov 26 07:54:26 node1 kernel: EXT3-fs: mounted filesystem with ordered data mode. Nov 26 07:54:26 node1 Filesystem[4059]: INFO: Success Nov 26 07:54:33 node1 heartbeat: [3689]: info: Local Resource acquisition completed. (none) Nov 26 07:54:33 node1 heartbeat: [3689]: info: local resource transition completed 上面这段日志是进行资源的监控和接管，主要完成haresources文件中的设置，在这里是启用集群虚拟IP和挂载磁盘分区。 此时，通过ifconfig命令查看主节点的网络配置，可以看到，主节点已经自动绑定了集群的IP地址，在HA集群之外的主机上通过ping命令检测集群IP地址192.168.60.200，已经处于可通状态，也就是该地址变的可用。 同时查看磁盘分区的挂载情况，共享磁盘分区/dev/sdb5已经被自动挂载。 （编辑：温州站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
