Skip to Main Content

Database Software

Announcement

For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle.com. Technical questions should be asked in the appropriate category. Thank you!

Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group information.

nslookup scan ip not pingable in rac node

808880Jul 12 2013 — edited Jul 13 2013

All,

I'm planning to install 11.2.0.1 rac on my laptop. As a first step I have configured dns in separate vmware and configured rac1 node as well. Both dns and rac1 public ip addresses are pingable from each others and from host machine.But the rac-scan ip is only pingable from dns server and not pingable from rac1 server.  Will this make any problem if dns server running on 32 bit and rac nodes running on 64 bit server ? Please let me know if I have anything missed here. Thanks again.

About posting on this forum. I have used [code]  [/code] to format the code previously. But this time it is not working. Also there is no option to preview the code before posting.

use spaces to separate multiple tags I'm not clear about this. I read https://forums.oracle.com/thread/865295 this article how to post the code. It says to use  \ . If you guide me how to format the code I can use that in future.

Host OS : Windows 8 64 bit

Guest OS -1 : dns 32 bit Linux

\

  [root@dns32 ~]# uname -a

   Linux dns32.testenv.com 2.6.18-164.el5 #1 SMP Thu Sep 3 02:16:47 EDT 2009 i686 i686 i386 GNU/Linux

\


Guest OS -2 : rac1 64 bit Linux

\

  [root@rac1 ~]# uname -a

   Linux rac1 2.6.18-194.el5 #1 SMP Mon Mar 29 22:10:29 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux

\

Guest OS-3 : rac2 - yet to configure 64 bit Linux

@ dns server

***************

\

[root@dns32 ~]# nslookup rac-scan

Server:         192.168.1.26

Address:        192.168.1.26#53

Name:   rac-scan.testenv.com

Address: 192.168.1.57

Name:   rac-scan.testenv.com

Address: 192.168.1.58

Name:   rac-scan.testenv.com

Address: 192.168.1.59

[root@dns32 ~]# cat /etc/resolv.conf

search testenv.com

nameserver 192.168.1.26

[root@dns32 ~]# ifconfig -a

eth0      Link encap:Ethernet  HWaddr 00:0C:29:EF:03:D3

          inet addr:192.168.1.26  Bcast:192.168.1.255  Mask:255.255.255.0

          inet6 addr: fe80::20c:29ff:feef:3d3/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:2802 errors:0 dropped:0 overruns:0 frame:0

          TX packets:2691 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:210115 (205.1 KiB)  TX bytes:208344 (203.4 KiB)

          Interrupt:67 Base address:0x2024

lo        Link encap:Local Loopback

          inet addr:127.0.0.1  Mask:255.0.0.0

          inet6 addr: ::1/128 Scope:Host

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

          RX packets:2308 errors:0 dropped:0 overruns:0 frame:0

          TX packets:2308 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:5494207 (5.2 MiB)  TX bytes:5494207 (5.2 MiB)

sit0      Link encap:IPv6-in-IPv4

          NOARP  MTU:1480  Metric:1

          RX packets:0 errors:0 dropped:0 overruns:0 frame:0

          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

[root@dns32 ~]# ping 192.168.1.26

PING 192.168.1.26 (192.168.1.26) 56(84) bytes of data.

64 bytes from 192.168.1.26: icmp_seq=1 ttl=64 time=0.200 ms

--- 192.168.1.26 ping statistics ---

1 packets transmitted, 1 received, 0% packet loss, time 0ms

rtt min/avg/max/mdev = 0.200/0.200/0.200/0.000 ms

[root@dns32 ~]# ping 192.168.1.27

PING 192.168.1.27 (192.168.1.27) 56(84) bytes of data.

64 bytes from 192.168.1.27: icmp_seq=1 ttl=64 time=0.330 ms

--- 192.168.1.27 ping statistics ---

1 packets transmitted, 1 received, 0% packet loss, time 0ms

rtt min/avg/max/mdev = 0.330/0.330/0.330/0.000 ms

\

@rac1 node :

***********************

\

[root@rac1 ~]# cat /etc/resolv.conf

search testenv.com

nameserver 192.168.1.26

[root@rac1 ~]#  nslookup rac-scan

;; connection timed out; no servers could be reached

[root@rac1 ~]# ifconfig -a

eth0      Link encap:Ethernet  HWaddr 00:0C:29:75:A9:39

          inet addr:192.168.1.27  Bcast:192.168.1.255  Mask:255.255.255.0

          inet6 addr: fe80::20c:29ff:fe75:a939/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:500 errors:0 dropped:0 overruns:0 frame:0

          TX packets:357 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:52333 (51.1 KiB)  TX bytes:39556 (38.6 KiB)

eth1      Link encap:Ethernet  HWaddr 00:0C:29:75:A9:43

          inet addr:192.168.2.37  Bcast:192.168.2.255  Mask:255.255.255.0

          inet6 addr: fe80::20c:29ff:fe75:a943/64 Scope:Link

          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

          RX packets:160 errors:0 dropped:0 overruns:0 frame:0

          TX packets:50 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:1000

          RX bytes:20359 (19.8 KiB)  TX bytes:6518 (6.3 KiB)

lo        Link encap:Local Loopback

          inet addr:127.0.0.1  Mask:255.0.0.0

          inet6 addr: ::1/128 Scope:Host

          UP LOOPBACK RUNNING  MTU:16436  Metric:1

          RX packets:1940 errors:0 dropped:0 overruns:0 frame:0

          TX packets:1940 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:4783881 (4.5 MiB)  TX bytes:4783881 (4.5 MiB)

sit0      Link encap:IPv6-in-IPv4

          NOARP  MTU:1480  Metric:1

          RX packets:0 errors:0 dropped:0 overruns:0 frame:0

          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0

          collisions:0 txqueuelen:0

          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

[root@rac1 ~]# ping 192.168.1.26

PING 192.168.1.26 (192.168.1.26) 56(84) bytes of data.

64 bytes from 192.168.1.26: icmp_seq=1 ttl=64 time=0.284 ms

64 bytes from 192.168.1.26: icmp_seq=2 ttl=64 time=0.456 ms

--- 192.168.1.26 ping statistics ---

2 packets transmitted, 2 received, 0% packet loss, time 1000ms

rtt min/avg/max/mdev = 0.284/0.370/0.456/0.086 ms

[root@rac1 ~]# ping 192.168.1.27

PING 192.168.1.27 (192.168.1.27) 56(84) bytes of data.

64 bytes from 192.168.1.27: icmp_seq=1 ttl=64 time=0.032 ms

--- 192.168.1.27 ping statistics ---

1 packets transmitted, 1 received, 0% packet loss, time 0ms

rtt min/avg/max/mdev = 0.032/0.032/0.032/0.000 ms

\

Thanks

Arul

This post has been answered by saurabh on Jul 12 2013
Jump to Answer
Comments
Locked Post
New comments cannot be posted to this locked post.
Post Details
Locked on Aug 10 2013
Added on Jul 12 2013
11 comments
3,583 views