oracle 11.2.0.4 install GI root.sh failed

check.ora

操作系统：redhat 6.5 x86_64
数据库版本：11.2.0.4

安装进行到GI执行root脚本

第一节点执行root.sh没有问题，第二节点执行后报错：

PRCR-1079 : 无法启动资源 ora.scan1.vip
CRS-5017: The resource action "ora.scan1.vip start" encountered the following error:
CRS-5005: IP Address: 192.168.126.15 is already in use in the network
. For details refer to "(:CLSN00107:)" in "/app/odb/11.2.0/grid/log/rac2/agent/crsd/orarootagent_root/orarootagent_root.log".

CRS-2674: Start of 'ora.scan1.vip' on 'rac2' failed
CRS-2632: There are no more servers to try to place resource 'ora.scan1.vip' on that would satisfy its placement policy

start scan ... failed
FirstNode configuration failed at /app/odb/11.2.0/grid/crs/install/crsconfig_lib.pm line 9379.
/app/odb/11.2.0/grid/perl/bin/perl -I/app/odb/11.2.0/grid/perl/lib -I/app/odb/11.2.0/grid/crs/install /app/odb/11.2.0/grid/crs/install/rootcrs.pl execution failed

相关日志信息及hosts配置和udev配置均在附件中。

求刘大指点！谢谢！

第二节点执行root.sh失败后执行了

roothas.pl 和 rootcrs.pl  -deconfig -verbose -force