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rac_grid自检出现网络问题
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,xzxt1Check: 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" failedResult: 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,xzxt1Check: 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" failedResult: 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 eth0:192.168.56.31xzxt1 eth0:192.168.56.30WARNING: Could not find a suitable set of interfaces for the private interconnectChecking 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 failedChecking 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
rac_grid自检出现网络问题
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