Linux+Oracle 10g RAC双网卡绑定和解除绑定的实现(1)(2)
解除双网卡绑定
十一、停数据库和crs
在rac1和rac2上停数据库和crs
- #cd /u01/app/oracle/product/10.2.0/crs_1/bin
- 停数据库实例
- #./srvctl stop instance –d devdb –i ora.devdb.devd1.inst
- #./srvctl stop instance –d devdb –i ora.devdb.devd2.inst
- 停数据库
- #./srvctl stop database –d devdb
- 停ASM实例
- #./srvctl stop asm –n rac1
- #./srvctl stop asm –n rac2
- 停vip,gsd,listener,ons
- #./srvctl stop nodeapps –n rac1
- #./srvctl stop nodeapps –n rac2
十二、更改网卡配置
1、首先在/etc/sysconfig/network-scripts/还原eth0的配置文件ifcfg-eth0
- #vi /etc/sysconfig/network-scripts/ ifcfg-eth0
- DEVICE=eth0
- BOOTPROTO=none
- BROADCAST=192.168.2。255
- IPADDR=192.168.2.111
- NETMASK=255.255.255.0
- NETWORK=192.168.2.0
- ONBOOT=yes
- TYPE=Ethernet
- USERCTL=no
- PEERDNS=yes
- GATEWAY=192.168.168.250
- IPV6INIt=no
2、删除bond0的配置文件
#rm ifcfg-bond0
3、删除或者注销eth2的配置文件ifcfg-eth2
- # vi ifcfg-eth2
- #DEVICE=eth2
- #BOOTPROTO=none
- #ONBOOT=yes
- #TYPE=Ethernet
- #USERCTL=no
- #MASTER=bond0
- #SLAVE=yes
4、在/etc/modules.conf文件中注销如下内容:
- #vi /etc/modules.conf
- #alias bond0 bonding
- #options bond0 miimon=100 mode=0 primary=eth0
5、在/etc/rc.local文件中注销如下内容
- #vi /etc/rc.local
- # modprobe bonding miimon=100 mode=0
6、在rac2上做同样的修改,然后reboot两个节点。
十三、在rac1和rac2上停数据库和crs,只启动crs的gsd和ons
- #cd /u01/app/oracle/product/10.2.0/crs_1/bin
- 停数据库实例
- #./srvctl stop instance –d devdb –i ora.devdb.devd1.inst
- #./srvctl stop instance –d devdb –i ora.devdb.devd2.inst
- 停数据库
- #./srvctl stop database –d devdb
- 停ASM实例
- #./srvctl stop asm –n rac1
- #./srvctl stop asm –n rac2
- 停vip,gsd,listener,ons
- #./srvctl stop nodeapps –n rac1
- #./srvctl stop nodeapps –n rac2
- #./crs_start ora.rac1.gsd
- #./crs_start ora.rac1.ons
- #./crs_start ora.rac2.gsd
- #./crs_start ora.rac2.ons
十四、以root用户更改rac1和rac2的vip到eth0
- #cd /u01/app/oracle/product/10.2.0/crs_1/bin
- #./srvctl modify nodeapps –n rac1 –A 192.168.2.13/255.255.255.0/eth0
- #./srvctl modify nodeapps –n rac1 –A rac1-vip/255.255.255.0/eth0
- #./srvctl modify nodeapps –n rac2 –A 192.168.2.14/255.255.255.0/eth0
- #./srvctl modify nodeapps –n rac2 –A rac1-vip/255.255.255.0/eth0
十五、确认更改后的vip配置
- #./srvctl config nodeapps –n rac1 –a
- VIP exists.:/rac1-vip.mycorpdomain.com/192.168.2.13/255.255.255.0/eth0
- #./srvctl config nodeapps –n rac2 –a
- VIP exists.:/rac2-vip.mycorpdomain.com/192.168.2.14/255.255.255.0/eth0
十六、更改完成,启动数据库相关进程
- #./srvctl start nodeapps –n rac1
- #./srvctl start nodeapps –n rac2
- #./crs_start ora.rac1.ASM1.asm
- #./crs_start ora.rac2.ASM2.asm
- #./crs_start ora.devdb.db
十七、 查看crs状态
#crs_stat –t
从上面可以看出所有的进程状态都正常,解除绑定成功。
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