ODA Significant Difference In Latency Between Same Computer and Each ODA Node (Doc ID 1940062.1)

Last updated on NOVEMBER 04, 2014

Applies to:

Oracle Database Appliance - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

Latency and/or packet loss is noticed for connections to/from one or both ODA nodes. I/O to mounted NFS shares may also seem slow. 
A trace route also highlights differences:

Second [problem] Node 


C:\>tracert oda2-1

Tracing route to oda2-1
over a maximum of 30 hops:

 1    <1 ms    <1 ms    <1 ms  10.3.4.5
 2    <1 ms    <1 ms    <1 ms  10.2.3.4

Trace complete.

C:\>tracert oda2-2

Tracing route to oda2-2
over a maximum of 30 hops:

 1    <1 ms    <1 ms    <1 ms  170.111.66.11
 2      9 ms    99 ms     99 ms  10.2.64.59

Trace complete.

I have also included the ifconfig:

login as: root
root@oda2-2's password:
Last login: Tue Sep 30 16:28:49 2014 from 170.111.66.11
[root@fjd-oda2-2 ~]# clear
[root@fjd-oda2-2 ~]# ifconfig -a
bond0     Link encap:Ethernet  HWaddr 00:21:28:FF:7F:50
         inet addr:10.2.64.59  Bcast:10.2.67.255  Mask:255.255.252.0
         UP BROADCAST RUNNING MASTER MULTICAST  MTU:1500  Metric:1
         RX packets:3204391 errors:0 dropped:859430 overruns:0 frame:0
         TX packets:542478 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:334413088 (318.9 MiB)  TX bytes:82210490 (78.4 MiB)

Cause

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