比如,有24,修改為22,其他IP不變。
方法如下:
1.停資料庫
[[email protected] ~]$ srvctl stop database -d orcl
2.停節點應用
[[email protected] ~]$ srvctl stop nodeapps -node hisdb1 -force
[[email protected] ~]$ srvctl stop nodeapps -node hisdb2 -force
3.修改網卡(兩個節點都修改)
--修改網卡配置檔案
[[email protected] network-scripts]# vim ifcfg-pbond0
...
IPADDR=172.16.35.171
PREFIX=22 (由 24 ,修改為22)
...
--讓配置檔案修改生效
nmcli con reload
nmcli con up pbond0
4.修改ocr
oifcfg setif -global pbond0/172.16.32.0:public
oifcfg delif -global pbond0/172.16.35.0
5.修改NODEAPPS
--以ROOT使用者去修改
#
/u01/app/19.9.0/grid/bin/srvctl modify nodeapps -subnet 172.16.32.0/255.255.252.0/pbond0
6.啟動nodeapps
#
/u01/app/19.9.0/grid/bin/srvctl start nodeapps
7.啟動scan
#
/u01/app/19.9.0/grid/bin/srvctl start scan
8.啟動scan_listener
#
/u01/app/19.9.0/grid/bin/srvctl start scan_listener
9.啟動資料庫
#
/u01/app/19.9.0/grid/bin/srvctl start database -db orcl
到此,子網路遮罩修改完成。
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5SYwIzNyEzN0IGN1ETZklTY3gDM5I2N2IjZlF2YkF2Nx8CX0JXZ252bj91Ztl2Lc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)