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system config network error while parsing /etc/hosts

999762Apr 7 2013 — edited Apr 8 2013

I am configuring RAC on Oracle Linux,i have configured /etc/hosts on both nodes,when ever i opened network, its displaying error message.

system config network error while parsing /etc/hosts
wrong ip on line 25
wrong ip on line 26
wrong ip on line 27

here is my host entries.

node1
====
[root@racnode1 ~]# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
#::1 localhost6.localdomain6 localhost

#####Public#####
192.168.1.101 racnode1.reg.com racnode1
192.168.1.102 racnode2.reg.com racnode2
192.168.1.103 racnode3.reg.com racnode3
192.168.1.104 racnode4.reg.com racnode4
####Private######
10.10.1.1 racnode1-priv.reg.com racnode1-priv
10.10.1.2 racnode2-priv.reg.com racnode2-priv
10.10.1.3 racnode3-priv.reg.com racnode3-priv
10.10.1.4 racnode4-priv.reg.com racnode4-priv
#####Virtual#####
192.168.1.201 racnode1-vip.reg.com racnode1-vip
192.168.1.202 racnode2-vip.reg.com racnode2-vip
192.168.1.203 racnode3-vip.reg.com racnode3-vip
192.168.1.204 racnode4-vip.reg.com racnode4-vip
#SCAN
#192.168.1.301 racdb-scan.reg.com racdb-scan
#SCAN
192.168.1.301 racnode1-scan.reg.com racnode1-scan
192.168.1.302 racnode2-scan.reg.com racnode2-scan
192.168.1.303 racnode3-scan.reg.com racnode3-scan
[root@racnode1 ~]# hostname
racnode1.reg.com
[root@racnode1 ~]#

node2 host entries
===========

[root@racnode2 ~]# cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
#::1 localhost6.localdomain6 localhost

#####Public#####
192.168.1.101 racnode1.reg.com racnode1
192.168.1.102 racnode2.reg.com racnode2
192.168.1.103 racnode3.reg.com racnode3
192.168.1.104 racnode4.reg.com racnode4
####Private######
10.10.1.1 racnode1-priv.reg.com racnode1-priv
10.10.1.2 racnode2-priv.reg.com racnode2-priv
10.10.1.3 racnode3-priv.reg.com racnode3-priv
10.10.1.4 racnode4-priv.reg.com racnode4-priv
#####Virtual#####
192.168.1.201 racnode1-vip.reg.com racnode1-vip
192.168.1.202 racnode2-vip.reg.com racnode2-vip
192.168.1.203 racnode3-vip.reg.com racnode3-vip
192.168.1.204 racnode4-vip.reg.com racnode4-vip
#SCAN
#192.168.1.301 racdb-scan.reg.com racdb-scan
#SCAN

192.168.1.301 racnode1-scan.reg.com racnode1-scan
192.168.1.302 racnode2-scan.reg.com racnode2-scan
192.168.1.303 racnode3-scan.reg.com racnode3-scan
[root@racnode2 ~]#

i am not able to ping racnode1-priv or racnode2-priv.

from node1:
========
[root@racnode1 ~]# ping racnode2-priv
PING racnode2-priv.reg.com (10.10.1.2) 56(84) bytes of data.
From racnode1-priv.reg.com (10.10.1.1) icmp_seq=2 Destination Host Unreachable
From racnode1-priv.reg.com (10.10.1.1) icmp_seq=3 Destination Host Unreachable
From racnode1-priv.reg.com (10.10.1.1) icmp_seq=4 Destination Host Unreachable
5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4002ms
, pipe 3
[root@racnode1 ~]#

from node2:
=======
[root@racnode2 ~]# ping racnode1-priv
PING racnode1-priv.reg.com (10.10.1.1) 56(84) bytes of data.
From racnode2-priv.reg.com (10.10.1.2) icmp_seq=2 Destination Host Unreachable
From racnode2-priv.reg.com (10.10.1.2) icmp_seq=3 Destination Host Unreachable
From racnode2-priv.reg.com (10.10.1.2) icmp_seq=4 Destination Host Unreachable
--- racnode1-priv.reg.com ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2999ms
, pipe 3
[root@racnode2 ~]#

any idea where configuration went wrong.

Thanks

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Locked on May 6 2013

Added on Apr 7 2013

#linux, #oracle-linux

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