模拟RAC两个节点内联网不通

环境：RHEL5.8 RAC 11.2.0.3.0

1：2节点集群是正常的

[grid@rac1 ~]$ crs_stat -t

Name Type Target State Host

------------------------------------------------------------

ora.CRSDATA.dg ora....up.type ONLINE ONLINE rac1

ora.DATA.dg ora....up.type ONLINE ONLINE rac1

ora....ER.lsnr ora....er.type ONLINE ONLINE rac1

ora....N1.lsnr ora....er.type ONLINE ONLINE rac2

ora.asm ora.asm.type ONLINE ONLINE rac1

ora.chris.db ora....se.type ONLINE ONLINE rac1

ora.cvu ora.cvu.type ONLINE ONLINE rac2

ora.gsd ora.gsd.type OFFLINE OFFLINE

ora....network ora....rk.type ONLINE ONLINE rac1

ora.oc4j ora.oc4j.type ONLINE ONLINE rac2

ora.ons ora.ons.type ONLINE ONLINE rac1

ora....SM1.asm application ONLINE ONLINE rac1

ora....C1.lsnr application ONLINE ONLINE rac1

ora.rac1.gsd application OFFLINE OFFLINE

ora.rac1.ons application ONLINE ONLINE rac1

ora.rac1.vip ora....t1.type ONLINE ONLINE rac1

ora....SM2.asm application ONLINE ONLINE rac2

ora....C2.lsnr application ONLINE ONLINE rac2

ora.rac2.gsd application OFFLINE OFFLINE

ora.rac2.ons application ONLINE ONLINE rac2

ora.rac2.vip ora....t1.type ONLINE ONLINE rac2

ora....ry.acfs ora....fs.type ONLINE ONLINE rac1

ora.scan1.vip ora....ip.type ONLINE ONLINE rac2

2：关闭节点2的内网网卡

[root@rac2 ~]# date

Tue Jul 16 11:29:41 CST 2013

[root@rac2 ~]# ifdown eth1

3：查看集群信息：

[grid@rac1 ~]$ crs_stat -t

Name Type Target State Host

------------------------------------------------------------

ora.CRSDATA.dg ora....up.type ONLINE ONLINE rac1

ora.DATA.dg ora....up.type ONLINE ONLINE rac1

ora....ER.lsnr ora....er.type ONLINE ONLINE rac1

ora....N1.lsnr ora....er.type ONLINE ONLINE rac1

ora.asm ora.asm.type ONLINE ONLINE rac1

ora.chris.db ora....se.type ONLINE ONLINE rac1

ora.cvu ora.cvu.type ONLINE ONLINE rac1

ora.gsd ora.gsd.type OFFLINE OFFLINE

ora....network ora....rk.type ONLINE ONLINE rac1

ora.oc4j ora.oc4j.type ONLINE OFFLINE

ora.ons ora.ons.type ONLINE ONLINE rac1

ora....SM1.asm application ONLINE ONLINE rac1

ora....C1.lsnr application ONLINE ONLINE rac1

ora.rac1.gsd application OFFLINE OFFLINE

ora.rac1.ons application ONLINE ONLINE rac1

ora.rac1.vip ora....t1.type ONLINE ONLINE rac1

ora.rac2.vip ora....t1.type ONLINE ONLINE rac1

ora....ry.acfs ora....fs.type ONLINE ONLINE rac1

ora.scan1.vip ora....ip.type ONLINE ONLINE rac1

发现节点2集群信息已经不存在了

4：检查节点2在11:29:41点后的os日志信息：

[root@rac2 ~]# tail -f /var/log/messages

Jul 16 11:30:02 rac2 avahi-daemon[3029]: Withdrawing address record for 192.168.1.151 on eth1.

Jul 16 11:30:02 rac2 avahi-daemon[3029]: Leaving mDNS multicast group on interface eth1.IPv4 with address 192.168.1.151.