修改rac 上IP地址

来源：这里教程网时间：2026-03-03 15:11:07 作者：

修改前IP： #####PUBLIC IP #####192.168.11.100 db1192.168.11.200 db2 ##### VIP #####192.168.11.111 db1_vip192.168.11.222 db2_vip #####SCAN IP #####192.168.11.101 scanip 修改后IP： #####PUBLIC IP #####192.168.57.100 db1192.168.57.200 db2 ##### VIP #####192.168.57.111 db1_vip192.168.57.222 db2_vip #####SCAN IP #####192.168.57.101 scanip修改网段11..改成57..

一准备

1 关闭数据库[grid@db1 ~]$ srvctl status database -d orcl Instance orcl1 is running on node db1 Instance orcl2 is running on node db2 [grid@db1 ~]$ srvctl stop database -d orcl [grid@db1 ~]$ srvctl status database -d orcl Instance orcl1 is not running on node db1 Instance orcl2 is not running on node db2 2 查看原scan的信息[grid@db1 ~]$ srvctl config scan SCAN name: scanip, Network: 1/192.168.11.0/255.255.255.0/eth0 SCAN VIP name: scan1, IP: /scanip/192.168.11.101 [grid@db1 ~]$ srvctl config listener Name: LISTENER Network: 1, Owner: grid Home: <CRS home> End points: TCP:1521 3 关闭listener、crs[grid@db1 ~]$ srvctl stop listener [grid@db1 ~]$ crsctl stop crs -f CRS-4563: Insufficient user privileges. CRS-4000: Command Stop failed, or completed with errors. [grid@db1 ~]$ su root Password: [root@db1 grid]# crsctl stop crs -f[root@db2 grid]# crsctl stop crs -f 4 修改/etc/hosts（两个节点）[root@db1 ~]# vi /etc/hosts #####PUBLIC IP ##### 192.168.57.100 db1 192.168.57.200 db2 5 修改os网卡信息（两个节点）vi /etc/sysconfig/network-scripts/ifcfg-eth0service network restart 然后在虚拟机上重新配置网卡连接方式，（在宿主机上新建立一个虚拟网卡虚拟机桥接在该网卡上） 6 启动crs（两个节点）[root@db1 grid]# crsctl start crs CRS-4123: Oracle High Availability Services has been started.[root@db2 grid]# crsctl start crs CRS-4123: Oracle High Availability Services has been started.

1 修改public ip

--节点1

1 查看信息（原） [root@db1 grid]# oifcfg getif eth1 10.0.0.0 global cluster_interconnect eth0 192.168.11.0 global public2 删除原ip [root@db1 grid]# oifcfg delif -global eth0/192.168.11.03 注册新ip [root@db1 grid]# oifcfg setif -global eth0/192.168.57.0:public4 验证 [root@db1 grid]# oifcfg getif eth1 10.0.0.0 global cluster_interconnect eth0 192.168.57.0 global public --节点2[root@db2 grid]# oifcfg getif eth1 10.0.0.0 global cluster_interconnect eth0 192.168.57.0 global public --网段已经改过来了。我感觉已经不用删除，再添加了 [root@db2 grid]# oifcfg delif -global eth0/192.168.11.0 [root@db2 grid]# oifcfg setif -global eth0/192.168.57.0:public [root@db2 grid]# oifcfg getif eth1 10.0.0.0 global cluster_interconnect eth0 192.168.57.0 global public

2 修改vip

1 查看vip配置[root@db2 admin]# srvctl config nodeapps -a Network exists: 1/192.168.11.0/255.255.255.0/eth0, type static VIP exists: /db1_vip/192.168.11.111/192.168.11.0/255.255.255.0/eth0, hosting node db1 VIP exists: /db2_vip/192.168.11.222/192.168.11.0/255.255.255.0/eth0, hosting node db2 2 停实例和vip[root@db1 grid]# srvctl stop instance -d rac -n db1 [root@db1 grid]# srvctl stop vip -n db1 -f

[root@db2 grid]# srvctl stop instance -d rac -n db2 [root@db2 grid]# srvctl stop vip -n db2 -f 3 修改hosts文件（root两个节点）vi /etc/hosts ##### VIP #####192.168.57.111 db1_vip192.168.57.222 db2_vip4 修改vip的配置--节点1 [root@db1 grid]# /grid/11.2.0/grid/bin/srvctl modify nodeapps -n db2 -A 192.168.57.111/255.255.255.0/eth0--节点2 [root@db2 grid]# /grid/11.2.0/grid/bin/srvctl modify nodeapps -n db2 -A 192.168.57.222/255.255.255.0/eth0 5 启动--节点1[root@db1 grid]# srvctl start vip -n db1 PRKO-2420 : VIP is already started on node(s): db1 [root@db1 grid]# srvctl start listener -n db1 [root@db1 grid]# srvctl start instance -d rac -n db1 --节点2[root@db2 grid]# srvctl start vip -n db2 [root@db2 grid]# srvctl start listener -n db2 [root@db2 grid]# srvctl start instance -d rac -n db2 6 验证[root@db2 grid]# srvctl config nodeapps -a Network exists: 1/192.168.57.0/255.255.255.0/eth0, type static VIP exists: /db1_vip/192.168.57.111/192.168.57.0/255.255.255.0/eth0, hosting node db1 VIP exists: /192.168.57.222/192.168.57.222/192.168.57.0/255.255.255.0/eth0, hosting node db2 不知道什么原因，这里vip的名字不出现，也不太影响

3 修改scan ip（单节点执行）

1停止scan服务和scan[root@db1 grid]# srvctl stop scan_listener [root@db1 grid]# srvctl stop scan 2 修改host文件vi /etc/hosts #####SCAN IP #####192.168.57.101 scanip 3 修改scan配置（root） [root@db1 grid]# srvctl modify scan -n scanip --这里是自己hosts解析的scanip的名字 4 修改scan listener配置 [root@db1 grid]# srvctl modify scan_listener -u5 启动 [root@db1 grid]# srvctl start scan_listener6 启动数据库 [root@db1 grid]# srvctl start database -d orcl7 验证 [root@db1 grid]# srvctl config scan SCAN name: scanip, Network: 1/192.168.57.0/255.255.255.0/eth0 SCAN VIP name: scan1, IP: /scanip/192.168.57.101--查看集群资源[root@db1 grid]# crsctl stat res -t -------------------------------------------------------------------------------- NAME TARGET STATE SERVER STATE_DETAILS -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.LISTENER.lsnr ONLINE ONLINE db1 ONLINE ONLINE db2 ora.gsd OFFLINE OFFLINE db1 OFFLINE OFFLINE db2 ora.net1.network ONLINE ONLINE db1 ONLINE ONLINE db2 ora.ons ONLINE ONLINE db1 ONLINE ONLINE db2 -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.LISTENER_SCAN1.lsnr 1 ONLINE ONLINE db2 ora.db1.vip 1 ONLINE ONLINE db1 ora.db2.vip 1 ONLINE ONLINE db2 ora.orcl.db 1 ONLINE ONLINE db1 Open 2 ONLINE ONLINE db2 Open ora.scan1.vip 1 ONLINE ONLINE db2 知识补充：--添加scan[root@db1 grid]# srvctl add scan scanip --添加实例$ srvctl add instance -d orcl -i orcl1 -n db1$ srvctl add instance -d orcl -i orcl2 -n db2 srvctl start instance -d orcl -n db1srvctl start instance -d orcl -n db2 --添加database srvctl add database -d orcl -o /oracle/home -p +DATA/orcl/spfileorcl.ora

srvctl start database -d orcl

--添加本地监听srvctl add listener -l listenercrsctl start resource ora.LISTENER.lsnr --添加scan资源srvctl add scan -n scanip

srvctl start scan