RE: Weirdness with 'ons' process....

From: fairlie rego <fairlie_r_at_yahoo.com>
Date: Wed, 1 Nov 2006 14:47:17 -0800 (PST)
Message-ID: <20061101224717.99969.qmail@web31902.mail.mud.yahoo.com>

Hi Mark,

Listener load balancing does not require ONS and the ONS daemon can be stopped using onsctl stop

Regards,
Fairlie

"Bobak, Mark" <Mark.Bobak_at_il.proquest.com> wrote:

Hi Fairlie,

Yes, it's running on all nodes.

No, I'm not on AIX.

I have confirmed the ports are ONS, by looking at ons.config file.

I'm not using FAN or FCF, but I am doing listener load balancing. Does that require ons? If not, how do I turn it off? I've been searching Oracle docs, but info on ONS seems to be pretty scarce.

-Mark

  --
  Mark J. Bobak
  Senior Oracle Architect
  ProQuest Information & Learning

There is nothing so useless as doing efficiently that which shouldn’t be done at all. –Peter F. Drucker, 1909-2005

From: fairlie rego [mailto:fairlie_r_at_yahoo.com] Sent: Tuesday, October 31, 2006 9:02 PM
To: Bobak, Mark
Subject: Re: Weirdness with 'ons' process....

Hi Mark,

Is ONS running on all nodes?
Can you check the same by running onsctl ping or ps -ef | grep ons

  The only related issue I know of is
Bug 3972424 10.1.0.3.0 LISTENER HANGS INTERMITTENTLY (ONS) on AIX.
  Are you on AIX?
You can confirm that the ports have to do with ONS by checking the port in $ORACLE_HOME/opmn/conf/ons.config file   If you are not using FAN or FCF you may as well turn ONS off

Regards,
Fairlie

"Bobak, Mark" <Mark.Bobak_at_il.proquest.com> wrote:

      Hi,
  I'm running a 10gR2 (10.2.0.2) 64-bit RAC cluster, three nodes on DL-585s (configured w/ 4 dual core CPUs and 32GB of RAM). I've been doing some fairly large-scale load testing, pointing our preproduction environment at this cluster, and seeing some great performance results.   However, I've been seeing a weird anomaly on two of the three boxes. If I run: netstat -an|grep -c ":6101 "
on each of the three nodes, one node reports zero, one reports 41,446 and one reports 63,961! These connections are all on the local loopback. Where are these coming from? I know (or I think I know) that this has to do with 'ons'. I haven't found much info on ONS.. I know it has to do with FAN, which I have not implemented at this point. Is this "normal"? If so, why the huge difference in distribution of the connections across nodes? (Oh, also, the status of these thousands of connections is 'TIME_WAIT'.)   As this point, it doesn't seem to be negatively affecting performance, but it sure seems odd….anyone have any clues for me??   AdvThanksance,
  -Mark

--
Mark J. Bobak
Senior Oracle Architect
ProQuest Information & Learning
There is nothing so useless as doing efficiently that which shouldn’t be done at all. –Peter F. Drucker, 1909-2005

Fairlie Rego
Senior Oracle Consultant
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Fairlie Rego
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Received on Wed Nov 01 2006 - 16:47:17 CST