Oracle Study之--Oracle 11gR2 RAC crs启动故障(CRS-4000)

Oracle Study之--Oracle 11gR2 RAC crs启动故障(CRS-4000)系统环境：
操作系统：RedHat EL5
Cluster： Oracle 11gR2 Grid
Oracle： Oracle 11gR2
在启动一个node的CRS时出现以下错误，错误现象：

[root@node1 ~]# crsctl start crs
Failure at scls_scr_getval with code 1
Internal Error Information:
Category: -2
Operation: opendir
Location: scrsearch1
Other: cant open scr home dir scls_scr_getval
System Dependent Information: 2
CRS-4000: Command Start failed, or completed with errors.

查看错误原因：
1、主机名
[root@node1 node1]# hostname
node1

2、查看hosts文件
[root@node1 node1]# cat /etc/hosts# Do not remove the following line, or various programs# that require network functionality will fail.

127.0.0.1        localhost
::1             localhost6.localdomain6 localhost6
192.168.8.21    wqy1
10.10.10.101    wqy1-priv
192.168.8.23  wqy1-vip

192.168.8.22    wqy2
10.10.10.102    wqy2-priv
192.168.8.24  wqy2-vip

192.168.8.25  rac-scan

192.168.8.26    wqy3
10.10.10.103    wqy3-priv
192.168.8.27  wqy3-vip

从以上可以了解，主机名应该为wqy1，应该是主机名错误，导致CRS启动失败！
3、重新修改主机名
[root@node1 node1]# vi /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=wqy1

[root@node1 node1]# hostname wqy1

4、重新启动CRS service
[root@wqy1 ~]# crsctl start crs
CRS-4123: Oracle High Availability Services has been started.

[root@wqy1 ~]# crsctl check crs
CRS-4638: Oracle High Availability Services is online
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online

---至此，问题得以解决！

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