修改RAC 的IP地址（不包含private IP地址）

时间 2019-12-09 标签修改 rac ip地址包含 private

环境 RDBMS 11.2.0.4 node

修改RAC 的IP地址，包括public、VIP 、SCAN 等IP。不包含private IP 。sql

步骤
1 关闭库，监听，CRS等
2 修改/etc/hosts
3 OS层面修改IP
4 启动CRS
5 修改public 、VIP 、SCAN 等IP
6 修改private IP -- 暂无数据库

-- 原地址，192.168.2.x网段，修改为192.168.1.X网段 .先不更改private oracle

[root@host02 ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6


# public
#192.168.2.101  host01
192.168.2.102  host02
192.168.2.107   host03

#vip
#192.168.2.103  host01-vip
192.168.2.104  host02-vip
192.168.2.108  host03-vip

#priv
#192.168.0.101  host01-priv
192.168.0.102  host02-priv
192.168.0.107  host03-priv

#scan
192.168.2.111  cluster-scan

1 关闭库，监听， crs 等app

-- 先禁用crs随操做系统启动dom

[root@host02 grid]# crsctl disable crs;
CRS-4621: Oracle High Availability Services autostart is disabled.
[root@host02 grid]#
[root@host03 grid]# crsctl disable crs
CRS-4621: Oracle High Availability Services autostart is disabled.
[root@host03 grid]#

-- 关闭数据库操作系统

[grid@host02 ~]$ srvctl status database -d racdb
Instance racdb2 is running on node host02
Instance racdb3 is running on node host03
[grid@host02 ~]$ srvctl stop database -d racdb
[grid@host02 ~]$ srvctl status database -d racdb
Instance racdb2 is not running on node host02
Instance racdb3 is not running on node host03
[grid@host02 ~]$

-- 查看scan 信息，原来的scan信息是192.168.2这个网段上的rest

[grid@host02 ~]$ srvctl config scan
SCAN name: cluster-scan, Network: 1/192.168.2.0/255.255.255.0/eth1
SCAN VIP name: scan1, IP: /cluster-scan/192.168.2.111
[grid@host02 ~]$ srvctl config listener
Name: LISTENER
Network: 1, Owner: grid
Home: <CRS home>
End points: TCP:1521

-- 关闭监听，关闭crscode

[grid@host02 ~]$ srvctl stop listener
[root@host02 grid]# crsctl stop crs
[root@host03 grid]# crsctl stop crs

2 修改/etc/hosts ip

3 OS 上修改网卡信息

vi /etc/sysconfig/network-scripts/ifcfg-eth1 
service network restart

而后在虚拟机上从新配置网卡链接方式，（在宿主机上新创建一个虚拟网卡虚拟机桥接在该网卡上）

4 启动crs

[root@host03 grid]# crsctl start crs
CRS-4123: Oracle High Availability Services has been started.
[root@host03 grid]#
[root@host02 grid]# crsctl start crs
CRS-4123: Oracle High Availability Services has been started.
[root@host02 grid]#

5 修改public 、vip 、scan ip
-- 目前看到的public IP仍是192.168.2.X这个网段

[root@host03 grid]# oifcfg getif
eth1  192.168.2.0  global  public
eth2  192.168.0.0  global  cluster_interconnect
[root@host03 grid]#
[root@host02 grid]# oifcfg getif
eth1  192.168.2.0  global  public
eth2  192.168.0.0  global  cluster_interconnect
[root@host02 grid]#

-- 开始修改public

[root@host03 grid]# oifcfg delif -global eth1
[root@host03 grid]# oifcfg setif -global eth1/192.168.1.0:public
[root@host03 grid]#
[root@host02 grid]# oifcfg delif -global eth1
[root@host02 grid]# oifcfg setif -global eth1/192.168.1.0:public
[root@host02 grid]#

-- 再次查看public ip， public ip已经修改过来了

[root@host03 grid]# oifcfg getif
eth2  192.168.0.0  global  cluster_interconnect
eth1  192.168.1.0  global  public
[root@host03 grid]#
[root@host02 grid]# oifcfg getif
eth2  192.168.0.0  global  cluster_interconnect
eth1  192.168.1.0  global  public
[root@host02 grid]#

-- 修改VIP
-- 首先要中止数据库和监听

[root@host03 grid]# srvctl status vip -n host02
VIP host02-vip is enabled
VIP host02-vip is not running
[root@host03 grid]# srvctl status vip -n host03
VIP host03-vip is enabled
VIP host03-vip is not running
[root@host03 grid]#

-- 查看当前vip设置。能够看到IP本身已经变过来了。可是显示的网段没有变过来。

[root@host03 grid]# olsnodes -s
host02  Active
host03  Active

[root@host03 grid]# srvctl config vip -n host03
VIP exists: /host03-vip/192.168.1.108/192.168.2.0/255.255.255.0/eth1, hosting node host03
[root@host03 grid]# srvctl config vip -n host02
VIP exists: /host02-vip/192.168.1.104/192.168.2.0/255.255.255.0/eth1, hosting node host02
[root@host03 grid]#

-- 修改，则按照如下的方法.上面看到的vip是有问题的，由于每一个节点上的网段不同，须要修改

[root@host02 grid]# srvctl modify nodeapps -n host02 -A 192.168.1.104/255.255.255.0/eth1
[root@host02 grid]# srvctl modify nodeapps -n host03 -A 192.168.1.108/255.255.255.0/eth1
[root@host02 grid]#

-- 再次查看vip ，能够看到网段已经变动过来了，是192.168.1.0

[root@host02 grid]# srvctl config vip -n host02
VIP exists: /host02-vip/192.168.1.104/192.168.1.0/255.255.255.0/eth1, hosting node host02
[root@host02 grid]# srvctl config vip -n host03
VIP exists: /host03-vip/192.168.1.108/192.168.1.0/255.255.255.0/eth1, hosting node host03
[root@host02 grid]#

-- 启动vip ，好像上面修改后，VIP就本身起来了

[root@host02 grid]# srvctl start vip -n host02
PRKO-2420 : VIP is already started on node(s): host02
[root@host02 grid]# srvctl start vip -n host03
PRKO-2420 : VIP is already started on node(s): host03
[root@host02 grid]#

-- 修改监听地址
-- 启动监听，由于以前host03上监听已经起来了，因此只启动host02上的监听

[root@host02 grid]# srvctl start listener -n host02
[root@host02 grid]# lsnrctl status

-- 检查监听的参数 local_listener ,remote_listener;

-- 修改scan参数

-- 查看scan当前的信息，能够看到scan的ip仍是192.168.2这个网段

[root@host02 grid]# srvctl config scan
SCAN name: cluster-scan, Network: 1/192.168.1.0/255.255.255.0/eth1
SCAN VIP name: scan1, IP: /cluster-scan/192.168.2.111
[root@host02 grid]#

--进行修改scan ip ,并查看scan，发现scan ip已经修改过来了

[root@host02 grid]# srvctl modify scan -n cluster-scan
[root@host02 grid]# srvctl config scan
SCAN name: cluster-scan, Network: 1/192.168.1.0/255.255.255.0/eth1
SCAN VIP name: scan1, IP: /cluster-scan/192.168.1.111
[root@host02 grid]#

--链接验证

@>conn sys/oracle@192.168.1.111/racdb as sysdba
Connected.
SYS@192.168.1.111/racdb>select open_mode from v$database;

OPEN_MODE
----------------------------------------
READ WRITE

SYS@192.168.1.111/racdb>

END

修改RAC 的IP地址 （不包含private IP地址）

修改RAC 的IP地址（不包含private IP地址）