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[root@desktop20 ~]# cat /proc/version 

Linux version 2.6.32-220.el6.x86_64 (mockbuild@x86-004.build.bos.redhat.com) (gcc version 4.4.5 20110214 (Red Hat 4.4.5-6) (GCC) ) #1 SMP Wed Nov 9 08:03:13 EST 2011

现象：

这两天在做一个redhat 6.2下基于GFS2的apache集群实验时，Service Group死活起不来，clvmd、cman挨个查一遍也没搞明白。

[root@node1 ~]# cd /var/log/cluster/[root@node1 cluster]# cat rgmanager.log Jun 10 20:24:21 rgmanager [clusterfs] /dev/dm-5 already mountedJun 10 20:24:21 rgmanager [apache] Verifying Configuration Of apache:httpdJun 10 20:24:21 rgmanager [apache] Checking Syntax Of The File /etc/httpd/conf/httpd.confJun 10 20:24:21 rgmanager [apache] Checking Syntax Of The File /etc/httpd/conf/httpd.conf > SucceedJun 10 20:24:21 rgmanager [apache] Stopping Service apache:httpdJun 10 20:24:21 rgmanager [apache] Checking Existence Of File /var/run/cluster/apache/apache:httpd.pid [apache:httpd] > Failed - File Doesn't ExistJun 10 20:24:21 rgmanager [apache] Stopping Service apache:httpd > SucceedJun 10 20:24:21 rgmanager [ip] 172.16.20.50/255.255.255.0 is not configuredJun 10 20:24:21 rgmanager [clusterfs] Not umounting /dev/dm-5 (clustered file system)[root@node1 cluster]#

原因：

Google了半天才找到门路。。原来在资源“IP Address”里有个“Netmask Bits (optional)”选项，我把它当成了“Netmask”填了个“255.255.255.0”，但是“Netmask Bits (optional)”指的是子网掩码的位数，改成24后问题解决。

[root@node1 cluster]# clusvcadm -d hawebLocal machine disabling service:haweb...Success[root@node1 cluster]# clusvcadm -e haweb -FLocal machine trying to enable service:haweb...Successservice:haweb is now running on node1.private.cluster20.example.com[root@node1 cluster]# lsrgmanager.log[root@node1 cluster]# cat rgmanager.log Jun 10 21:07:20 rgmanager [apache] Verifying Configuration Of apache:httpdJun 10 21:07:20 rgmanager [apache] Checking Syntax Of The File /etc/httpd/conf/httpd.confJun 10 21:07:20 rgmanager [apache] Checking Syntax Of The File /etc/httpd/conf/httpd.conf > SucceedJun 10 21:07:20 rgmanager [apache] Stopping Service apache:httpdJun 10 21:07:21 rgmanager [apache] Stopping Service apache:httpd > SucceedJun 10 21:07:21 rgmanager [ip] Removing IPv4 address 172.16.20.50/24 from eth1Jun 10 21:07:31 rgmanager [clusterfs] Not umounting /dev/dm-5 (clustered file system)Jun 10 21:07:38 rgmanager [clusterfs] /dev/dm-5 already mountedJun 10 21:07:38 rgmanager [ip] Link for eth1: DetectedJun 10 21:07:38 rgmanager [ip] Adding IPv4 address 172.16.20.50/24 to eth1Jun 10 21:07:38 rgmanager [ip] Pinging addr 172.16.20.50 from dev eth1Jun 10 21:07:40 rgmanager [ip] Sending gratuitous ARP: 172.16.20.50 52:54:00:01:20:01 brd ff:ff:ff:ff:ff:ffJun 10 21:07:41 rgmanager [apache] Verifying Configuration Of apache:httpdJun 10 21:07:41 rgmanager [apache] Checking Syntax Of The File /etc/httpd/conf/httpd.confJun 10 21:07:41 rgmanager [apache] Checking Syntax Of The File /etc/httpd/conf/httpd.conf > SucceedJun 10 21:07:41 rgmanager [apache] Monitoring Service apache:httpdJun 10 21:07:41 rgmanager [apache] Checking Existence Of File /var/run/cluster/apache/apache:httpd.pid [apache:httpd] > FailedJun 10 21:07:41 rgmanager [apache] Monitoring Service apache:httpd > Service Is Not RunningJun 10 21:07:42 rgmanager [apache] Starting Service apache:httpdJun 10 21:07:42 rgmanager [apache] Looking For IP AddressesJun 10 21:07:42 rgmanager [apache] 1 IP addresses found for haweb/httpdJun 10 21:07:42 rgmanager [apache] Looking For IP Addresses > Succeed -  IP Addresses FoundJun 10 21:07:42 rgmanager [apache] Checking: SHA1 checksum of config file /apache/apache:httpd/httpd.confJun 10 21:07:42 rgmanager [apache] Checking: SHA1 checksum > succeedJun 10 21:07:42 rgmanager [apache] Generating New Config File /apache/apache:httpd/httpd.conf From /etc/httpd/conf/httpd.confJun 10 21:07:42 rgmanager [apache] Generating New Config File /apache/apache:httpd/httpd.conf From /etc/httpd/conf/httpd.conf > SucceedJun 10 21:07:42 rgmanager [apache] Starting Service apache:httpd > Succeed[root@node1 cluster]#

REF:

1. redhat 6.2 cluster

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