Oracle Technologies Blog

By ASKM

RAC Nodes interconnect Checks

Posted by Srikrishna Murthy Annam on September 20, 2010

[grid@rac02 cssd]$ olsnodes -s
rac01     Active
rac02     Active
[grid@rac02 cssd]$ oifcfg getif
eth2  139.22.38.0  global  public
eth3 192.168.50.0  global  cluster_interconnect
[grid@rac02 cssd]$

[root@rac01 ~]# ifconfig eth3
eth3      Link encap:Ethernet  HWaddr 00:13:72:60:69:84
inet addr:192.168.50.1  Bcast:192.168.50.255  Mask:255.255.255.0
inet6 addr: fe80::213:72ff:fe60:6984/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:38565202 errors:0 dropped:0 overruns:0 frame:0
TX packets:30148892 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:25947483525 (24.1 GiB)  TX bytes:13988725497 (13.0 GiB)
Base address:0xbcc0 Memory:fe0e0000-fe100000

[root@rac01 ~]#

[root@rac02 ~]# ifconfig eth3
eth3      Link encap:Ethernet  HWaddr 00:13:72:5E:7C:C2
inet addr:192.168.50.2  Bcast:192.168.50.255  Mask:255.255.255.0
inet6 addr: fe80::213:72ff:fe5e:7cc2/64 Scope:Link
UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
RX packets:30513289 errors:0 dropped:0 overruns:0 frame:0
TX packets:39265110 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:14191064255 (13.2 GiB)  TX bytes:26225686434 (24.4 GiB)
Base address:0xbcc0 Memory:fe0e0000-fe100000

[root@rac02 ~]#

[grid@rac02 grid]$ ping 192.168.50.1
PING 192.168.50.1 (192.168.50.1) 56(84) bytes of data.
64 bytes from 192.168.50.1: icmp_seq=1 ttl=64 time=0.192 ms
64 bytes from 192.168.50.1: icmp_seq=2 ttl=64 time=0.195 ms
64 bytes from 192.168.50.1: icmp_seq=3 ttl=64 time=0.199 ms

— 192.168.50.1 ping statistics —
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 0.192/0.195/0.199/0.011 ms
[grid@rac02 grid]$ ping rac01-priv.testing.com
PING rac01-priv.testing.com (192.168.50.1) 56(84) bytes of data.
64 bytes from rac01-priv.testing.com (192.168.50.1): icmp_seq=1 ttl=64 time=0.240 ms
64 bytes from rac01-priv.testing.com (192.168.50.1): icmp_seq=2 ttl=64 time=0.206 ms
64 bytes from rac01-priv.testing.com (192.168.50.1): icmp_seq=3 ttl=64 time=0.162 ms
64 bytes from rac01-priv.testing.com (192.168.50.1): icmp_seq=4 ttl=64 time=0.180 ms

— rac01-priv.testing.com ping statistics —
4 packets transmitted, 4 received, 0% packet loss, time 3000ms
rtt min/avg/max/mdev = 0.162/0.197/0.240/0.029 ms
[grid@rac02 grid]$

[grid@rac01 grid]$ ping 192.168.50.2
PING 192.168.50.2 (192.168.50.2) 56(84) bytes of data.
64 bytes from 192.168.50.2: icmp_seq=1 ttl=64 time=0.171 ms
64 bytes from 192.168.50.2: icmp_seq=2 ttl=64 time=0.175 ms
64 bytes from 192.168.50.2: icmp_seq=3 ttl=64 time=0.165 ms
64 bytes from 192.168.50.2: icmp_seq=4 ttl=64 time=0.188 ms

— 192.168.50.2 ping statistics —
4 packets transmitted, 4 received, 0% packet loss, time 3001ms
rtt min/avg/max/mdev = 0.165/0.174/0.188/0.018 ms
[grid@rac01 grid]$ ping rac02-priv.testing.com
PING rac02-priv.testing.com (192.168.50.2) 56(84) bytes of data.
64 bytes from rac02-priv.testing.com (192.168.50.2): icmp_seq=1 ttl=64 time=0.160 ms
64 bytes from rac02-priv.testing.com (192.168.50.2): icmp_seq=2 ttl=64 time=0.223 ms
64 bytes from rac02-priv.testing.com (192.168.50.2): icmp_seq=3 ttl=64 time=0.198 ms
64 bytes from rac02-priv.testing.com (192.168.50.2): icmp_seq=4 ttl=64 time=0.172 ms

— rac02-priv.testing.com ping statistics —
4 packets transmitted, 4 received, 0% packet loss, time 2998ms
rtt min/avg/max/mdev = 0.160/0.188/0.223/0.026 ms
[grid@rac01 grid]$

Hope it helps

SRI

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