安装11.2.0.4 on linux RAC过程中检查报错,如图:



于是使用mcasttest测试了下(使用:http://blog.csdn.net/u010587433/article/details/41794971),结果:

第一个结果是成功的:

########### testing Multicast on all nodes ##########
Test for Multicast address230.0.1.0
Dec  5 14:16:17 | Multicast Succeeded for en0using address 230.0.1.0:42000
Dec  5 14:16:18 | Multicast Succeeded foren1 using address 230.0.1.0:42001
Test for Multicast address224.0.0.251
Dec  5 14:16:19 | Multicast Succeeded for en0using address 224.0.0.251:42002
Dec  5 14:16:20 | Multicast Succeeded foren1 using address 224.0.0.251:42003

但是在第二个结点是失败的:

########### testing Multicast on all nodes ##########
Test for Multicast address230.0.1.0
Dec  5 14:16:17 | Multicast Failed for en0 usingaddress 230.0.1.0:42000
Dec  5 14:16:18 | Multicast Failed foren1 using address 230.0.1.0:42001
Test for Multicast address224.0.0.251
Dec  5 14:16:19 | Multicast Failed for en0using address 224.0.0.251:42002
Dec  5 14:16:20 | Multicast Failed foren1 using address 224.0.0.251:42003

也没找到原因,就忽略掉了,但是安装GRID的到%65,从节点1远程复制到节点2时,没有复制,报复制失败的错误。再检查发现第二个节点的防火墙没有关闭,于是关闭防火墙,再将相关文件远程复制到节点2:

[root@rh65db1 ~]# service iptables stop
[grid@rh65db1 ~]$ scp -r /u01/app/11.2.0/grid/* rh65db2:/u01/app/11.2.0/grid
[grid@rh65db1 ~]$ scp -r /u01/app/grid/* rh65db2:/u01/app/grid
继续安装成功...

总结:

1.看来防火墙可能使其报Multicast Check Failed的原因

2.远程复制失败,可以手工将文件复制完成后,再继续安装

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