原创作品，出自 “深蓝的blog” 博客，欢迎转载，转载时请务必注明以下出处，否则追究版权法律责任。 深蓝的blog：http://blog.csdn.net/huangyanlong/article/details/40735481 环境：Cent0S 6.4 64bit、grid 64bit 自检出现“TCP connectivity of subnet”
原创作品，出自 “深蓝的blog” 博客，欢迎转载，转载时请务必注明以下出处，否则追究版权法律责任。
深蓝的blog：http://blog.csdn.net/huangyanlong/article/details/40735481
环境：Cent0S 6.4 64bit、grid 64bit
自检出现“TCP connectivity of subnet”问题。
【问题】
手工进行grid自检，报出如下错误：
[grid@xzxt1 grid]$ ./runcluvfy.sh stage -pre crsinst -n xzxt1,xzxt2 -fixup -verbose
...... ...... Check: Node connectivity of subnet "192.168.56.0" Source Destination Connected? ------------------------------ ------------------------------ ---------------- xzxt2[192.168.56.31] xzxt1[192.168.56.30] yes Result: Node connectivity passed for subnet "192.168.56.0" with node(s) xzxt2,xzxt1 Check: TCP connectivity of subnet "192.168.56.0" Source Destination Connected? ------------------------------ ------------------------------ ---------------- xzxt1:192.168.56.30 xzxt2:192.168.56.31 failed ERROR: PRVF-7617 : Node connectivity between "xzxt1 : 192.168.56.30" and "xzxt2 : 192.168.56.31" failed Result: TCP connectivity check failed for subnet "192.168.56.0" Check: Node connectivity of subnet "10.10.10.0" Source Destination Connected? ------------------------------ ------------------------------ ---------------- xzxt2[10.10.10.91] xzxt1[10.10.10.90] yes Result: Node connectivity passed for subnet "10.10.10.0" with node(s) xzxt2,xzxt1 Check: TCP connectivity of subnet "10.10.10.0" Source Destination Connected? ------------------------------ ------------------------------ ---------------- xzxt1:10.10.10.90 xzxt2:10.10.10.91 failed ERROR: PRVF-7617 : Node connectivity between "xzxt1 : 10.10.10.90" and "xzxt2 : 10.10.10.91" failed Result: TCP connectivity check failed for subnet "10.10.10.0" Interfaces found on subnet "192.168.56.0" that are likely candidates for VIP are: xzxt2 eth0:192.168.56.31 xzxt1 eth0:192.168.56.30 WARNING: Could not find a suitable set of interfaces for the private interconnect Checking subnet mask consistency... Subnet mask consistency check passed for subnet "192.168.56.0". Subnet mask consistency check passed for subnet "10.10.10.0". Subnet mask consistency check passed. Result: Node connectivity check failed Checking multicast communication... Checking subnet "192.168.56.0" for multicast communication with multicast group "230.0.1.0"... PRVG-11134 : Interface "192.168.56.31" on node "xzxt2" is not able to communicate with interface "192.168.56.31" on node "xzxt2" PRVG-11134 : Interface "192.168.56.31" on node "xzxt2" is not able to communicate with interface "192.168.56.30" on node "xzxt1" PRVG-11134 : Interface "192.168.56.30" on node "xzxt1" is not able to communicate with interface "192.168.56.31" on node "xzxt2" PRVG-11134 : Interface "192.168.56.30" on node "xzxt1" is not able to communicate with interface "192.168.56.30" on node "xzxt1" Checking subnet "192.168.56.0" for multicast communication with multicast group "224.0.0.251"... PRVG-11134 : Interface "192.168.56.31" on node "xzxt2" is not able to communicate with interface "192.168.56.31" on node "xzxt2" PRVG-11134 : Interface "192.168.56.31" on node "xzxt2" is not able to communicate with interface "192.168.56.30" on node "xzxt1" PRVG-11134 : Interface "192.168.56.30" on node "xzxt1" is not able to communicate with interface "192.168.56.31" on node "xzxt2" PRVG-11134 : Interface "192.168.56.30" on node "xzxt1" is not able to communicate with interface "192.168.56.30" on node "xzxt1" Checking subnet "10.10.10.0" for multicast communication with multicast group "230.0.1.0"... PRVG-11134 : Interface "10.10.10.91" on node "xzxt2" is not able to communicate with interface "10.10.10.91" on node "xzxt2" PRVG-11134 : Interface "10.10.10.91" on node "xzxt2" is not able to communicate with interface "10.10.10.90" on node "xzxt1" PRVG-11134 : Interface "10.10.10.90" on node "xzxt1" is not able to communicate with interface "10.10.10.91" on node "xzxt2" PRVG-11134 : Interface "10.10.10.90" on node "xzxt1" is not able to communicate with interface "10.10.10.90" on node "xzxt1" Checking subnet "10.10.10.0" for multicast communication with multicast group "224.0.0.251"... PRVG-11134 : Interface "10.10.10.91" on node "xzxt2" is not able to communicate with interface "10.10.10.91" on node "xzxt2" PRVG-11134 : Interface "10.10.10.91" on node "xzxt2" is not able to communicate with interface "10.10.10.90" on node "xzxt1" PRVG-11134 : Interface "10.10.10.90" on node "xzxt1" is not able to communicate with interface "10.10.10.91" on node "xzxt2" PRVG-11134 : Interface "10.10.10.90" on node "xzxt1" is not able to communicate with interface "10.10.10.90" on node "xzxt1" ...... ......
【解决】
[root@xzxt1 network-scripts]# vi ifcfg-eth0
--去掉GATEWAY=192.168.56.1
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.56.30
NETMASK=255.255.255.0
[root@xzxt1 network-scripts]# vi ifcfg-eth1
--去掉GATEWAY=10.10.10.1
DEVICE=eth1
ONBOOT=yes
BOOTPROTO=static
IPADDR=10.10.10.90
NETMASK=255.255.255.0
重启服务器后，再次自检此问题不再出现。
原创作品，出自 “深蓝的blog” 博客，欢迎转载，转载时请务必注明以下出处，否则追究版权法律责任。
深蓝的blog：http://blog.csdn.net/huangyanlong/article/details/40735481
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