Oracle 19C RAC 增加scan ip

原scan ip只有一个，现在增加两个scan ip
1、编辑两个节点的/etc/hosts文件

[root@19c-rac1 ~]# vi /etc/hosts
127.0.0.1  localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
10.10.10.21    19c-rac1
10.10.10.22    19c-rac2
192.168.10.21  19c-rac1-pri
192.168.10.22  19c-rac2-pri
10.10.10.23    19c-rac1-vip
10.10.10.24    19c-rac2-vip
10.10.10.25    racscan racscan.seven-dba.com
##add two scan
10.10.10.26    racscan racscan.seven-dba.com
10.10.10.27    racscan racscan.seven-dba.com

2、查看确认当前scan配置

[grid@19c-rac1 ~]$ srvctl config scan
SCAN name: racscan, Network: 1
Subnet IPv4: 10.10.10.0/255.255.255.0/enp0s3, static
Subnet IPv6: 
SCAN 1 IPv4 VIP: 10.10.10.25
SCAN VIP is enabled.
[grid@19c-rac1 ~]$ 
[grid@19c-rac1 ~]$ srvctl status scan
SCAN VIP scan1 is enabled
SCAN VIP scan1 is running on node 19c-rac1
[grid@19c-rac1 ~]$ srvctl status scan_listener
SCAN Listener LISTENER_SCAN1 is enabled
SCAN listener LISTENER_SCAN1 is running on node 19c-rac1

3、停止Scan 监听和scan服务

[grid@19c-rac1 ~]$ srvctl stop scan_listener
[grid@19c-rac1 ~]$ srvctl stop scan         
[grid@19c-rac1 ~]$ 

4、修改scan配置

[grid@19c-rac1 ~]$ which srvctl
/u01/app/grid/19.3/ghome/bin/srvctl
[grid@19c-rac1 ~]$ 
[grid@19c-rac1 ~]$ exit
logout
[root@19c-rac1 ~]# /u01/app/grid/19.3/ghome/bin/srvctl modify scan -n racscan.seven-dba.com
[root@19c-rac1 ~]# 
[root@19c-rac1 ~]# 

5、更新scan listener

[root@19c-rac1 ~]# /u01/app/grid/19.3/ghome/bin/srvctl modify scan_listener -u

6、确认scan是否新增完成，确认状态

[root@19c-rac1 ~]# su - grid
Last login: Tue Mar 10 02:59:42 CST 2020 on pts/0
[grid@19c-rac1 ~]$ srvctl start scan
[grid@19c-rac1 ~]$ srvctl start scan_listener
[grid@19c-rac1 ~]$ srvctl config scan
SCAN name: racscan.seven-dba.com, Network: 1
Subnet IPv4: 10.10.10.0/255.255.255.0/enp0s3, static
Subnet IPv6: 
SCAN 1 IPv4 VIP: 10.10.10.25
SCAN VIP is enabled.
SCAN 2 IPv4 VIP: 10.10.10.26
SCAN VIP is enabled.
SCAN 3 IPv4 VIP: 10.10.10.27
SCAN VIP is enabled.
[grid@19c-rac1 ~]$