RAC 安装 Actual Result Unknown Host Exception has Occurred 错误解决方法

安装RAC Clusterware，在验证的时候，有2个没有通过，内容如下：

Checking local Cluster Synchronization Services (CSS) status ...

Actual Result: Unknown Host Exception has Occurred :60.191.124.236.

Check complete. The overall result of this check is: Not executed <<<<

Recommendation: Cluster Synchronization Services (CSS) provide services for single-instance Automatic Storage Management (ASM) in addition to being part of the Oracle Clusterware stack. When configured stand-alone outside of the Oracle Clusterware, it is sometimes referred to as "local" CSS.

Because you are installing Oracle Clusterware on a set of nodes that already have local CSS configured, you must shut down any ASM instances and any databases using ASM and deconfigure local CSS on those nodes before proceeding with the Oracle Clusterware installation. You can deconfigure local CSS by running 'localconfig delete' as the root user from OH/bin. After the Oracle Clusterware installation and configuration is complete, CSS will be started and configured to run from the Oracle Clusterware Home. You may then restart any ASM instances and any databases that use ASM.

Checking whether Oracle 9.2 RAC is available on all selected nodes

Actual Result: Unknown Host Exception has Occurred :60.191.124.236.

Check complete. The overall result of this check is: Not executed <<<<

Recommendation: Make sure that all the nodes are a part of Oracle 9.2 RAC environment before you install Oracle Clusterware 10g Release 2.

没有通过与hostname和hosts 配置相关

[oracle@qs-dmm-rh2 bin]$ cat /etc/sysconfig/network

NETWORKING=yes

NETWORKING_IPV6=no

HOSTNAME=rac2

[oracle@qs-dmm-rh2 bin]$ cat /etc/hosts

# Do not remove the following line, or various programs

# that require network functionality will fail.

127.0.0.1 localhost

# Private Network - (eth1)

192.168.1.42 rac1-priv

192.168.1.43 rac2-priv

# Public Interconnect - (eth0)

192.168.2.42 rac1

192.168.2.43 rac2

# Public Virtual IP (VIP) addresses - (eth0:1)

192.168.2.82 rac1-vip

192.168.2.83 rac2-vip

原来主机的hostname是qs-dmm-rh2,没有添加到hosts 文件中，但是我尝试把qs-dmm-rh2和对应的IP写入hosts后，运行clusterware 还是会报错。 最后把qs-dmm-rh2 改成rac2. 才运行通过。

以前我装RAC的时候，服务器的OS也是亲自安装，这次的RAC 服务器是的操作系统是同事安装的。在一些设置上与我的习惯有出入。分工太细了，有时候也不见得省事。

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