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nvcorrd - query on netstat

To: nv-l@lists.tivoli.com
Subject: nvcorrd - query on netstat
From: "Gavin Newman" <NEWMANGJ@banksa.com.au>
Date: Wed, 11 Apr 2001 08:48:41 +0930

There have been a number of mentions in this list about the send & recv queue 
figures for nvcorrd on a netstat -a display.

Since my AIX 4.3.3 production system was rebooted out from under Netview by an 
IBM tech for hardware maintenance I have noticed that the netstat -a display 
shows non-zero values for nvcorrd and a partner socket. These values vary from 
time to time but never reach zero. 

I also note that an ovstatus display shows that the trapgend & mgragentd 
daemons report OVs_NON_WELL_BEHAVED status - this may be a red herring as this 
is also the case on my development Netview system which was not rebooted and on 
which the nvcorrd netstat report showes zero length on the queues.

The rule processing seems to be a bit flaky but it is also the case that the 
production Netview box is handling a large number of traps in addition to the 
normal network events.

Is this high queue length on nvcorrd a sign of a problem (in which case where 
do I look?) or just a sign of a very busy box (in which case how do I tell how 
close it is to choking to death?)

Cheers - Gavin

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