Oracle 11.2.0.4 RAC修改SCAN IP

      本实验是在Redhat 6.5 && Oracle 11.2.0.4 RAC 环境下做的，生产中有时会需要修改RAC的scan-ip，

往往一些Oracle 学习爱好者或者相关管理人员在进行修改时遇到各类问题，这里我将自己的实验过程展示

出来，希望能给更多Oracle 学习爱好者一些帮助。

    本次实验是要将scan-ip：192.168.80.24 修改为：192.168.80.25

修改步骤如下： 

查看scan_listener状态 

[oracle@vastdata1 ~]$ srvctl status scan_listener 

SCAN Listener LISTENER_SCAN1 is enabled 

SCAN listener LISTENER_SCAN1 is running on node vastdata2 

SCAN Listener LISTENER_SCAN2 is enabled 

SCAN listener LISTENER_SCAN2 is running on node vastdata2 

SCAN Listener LISTENER_SCAN3 is enabled 

SCAN listener LISTENER_SCAN3 is running on node vastdata2

查看scan_listener配置 

[oracle@vastdata1 ~]$ srvctl config scan_listener 

SCAN Listener LISTENER_SCAN1 exists. Port: TCP:1521 

SCAN Listener LISTENER_SCAN2 exists. Port: TCP:1521 

SCAN Listener LISTENER_SCAN3 exists. Port: TCP:1521

查看scan状态 

[oracle@vastdata1 ~]$ srvctl status scan 

SCAN VIP scan1 is enabled 

SCAN VIP scan1 is running on node vastdata2 

SCAN VIP scan2 is enabled 

SCAN VIP scan2 is running on node vastdata2 

SCAN VIP scan3 is enabled 

SCAN VIP scan3 is running on node vastdata2

查看scan配置 

[oracle@vastdata1 ~]$ srvctl config scan 

SCAN name: vastdata-scan.us.oracle.com, Network: 1/192.168.80.0/255.255.255.0/eth0 

SCAN VIP name: scan1, IP: /vastdata-scan.us.oracle.com/192.168.80.24 

SCAN VIP name: scan2, IP: /vastdata-scan.us.oracle.com/192.168.80.22 

SCAN VIP name: scan3, IP: /vastdata-scan.us.oracle.com/192.168.80.23

停止scan_listener 

[oracle@vastdata1 ~]$ srvctl stop scan_listener

停止scan 

[oracle@vastdata1 ~]$ srvctl stop scan

确认停止后的状态 

[oracle@vastdata1 ~]$ srvctl status scan_listener 

SCAN Listener LISTENER_SCAN1 is enabled 

SCAN listener LISTENER_SCAN1 is not running 

SCAN Listener LISTENER_SCAN2 is enabled 

SCAN listener LISTENER_SCAN2 is not running 

SCAN Listener LISTENER_SCAN3 is enabled 

SCAN listener LISTENER_SCAN3 is not running

确认停止后的状态 

[oracle@vastdata1 ~]$ srvctl status scan 

SCAN VIP scan1 is enabled 

SCAN VIP scan1 is not running 

SCAN VIP scan2 is enabled 

SCAN VIP scan2 is not running 

SCAN VIP scan3 is enabled 

SCAN VIP scan3 is not running

修改和scan IP相关的文件 

[root@vastdata1 ~]# vi /var/named/192.168.80.local 

[root@vastdata1 ~]# vi /var/named/us.oracle.com.zone

重启服务 

[root@vastdata1 ~]# service named restart 

Stopping named: . [ OK ] 

Starting named: [ OK ]

修改scan IP 

[root@vastdata1 ~]# /u01/app/11.2.0/grid/bin/srvctl modify scan -n vastdata-scan.us.oracle.com

查看是否修改成功 

[root@vastdata1 ~]# /u01/app/11.2.0/grid/bin/srvctl config scan 

SCAN name: vastdata-scan.us.oracle.com, Network: 1/192.168.80.0/255.255.255.0/eth0 

SCAN VIP name: scan1, IP: /vastdata-scan.us.oracle.com/192.168.80.22 

SCAN VIP name: scan2, IP: /vastdata-scan.us.oracle.com/192.168.80.23 

SCAN VIP name: scan3, IP: /vastdata-scan.us.oracle.com/192.168.80.25

确认修改成功后启动scan_listener 

[oracle@vastdata1 ~]$ srvctl start scan_listener

查看启动后scan_listener的状态 

[oracle@vastdata1 ~]$ srvctl status scan_listener 

SCAN Listener LISTENER_SCAN1 is enabled 

SCAN listener LISTENER_SCAN1 is running on node vastdata1 

SCAN Listener LISTENER_SCAN2 is enabled 

SCAN listener LISTENER_SCAN2 is running on node vastdata2 

SCAN Listener LISTENER_SCAN3 is enabled 

SCAN listener LISTENER_SCAN3 is running on node vastdata1

查看启动后scan的状态 

[oracle@vastdata1 ~]$ srvctl status scan 

SCAN VIP scan1 is enabled 

SCAN VIP scan1 is running on node vastdata1 

SCAN VIP scan2 is enabled 

SCAN VIP scan2 is running on node vastdata2 

SCAN VIP scan3 is enabled 

SCAN VIP scan3 is running on node vastdata1

查看scan修改后的配置 

[oracle@vastdata1 ~]$ srvctl config scan 

SCAN name: vastdata-scan.us.oracle.com, Network: 1/192.168.80.0/255.255.255.0/eth0 

SCAN VIP name: scan1, IP: /vastdata-scan.us.oracle.com/192.168.80.22 

SCAN VIP name: scan2, IP: /vastdata-scan.us.oracle.com/192.168.80.23 

SCAN VIP name: scan3, IP: /vastdata-scan.us.oracle.com/192.168.80.25