Re: Events stop coming into Events Display...

Thanks James. Your response is helpfull.

But just one thing to claify, are you saying that when I ovstop nvcorrd, the
actionsvr daemon and the nvserverd daemon should NOT also stop?? I thought
that they were dependent on nvcorrd and this behaviour would be natural??

Gord.


>From: James Shanks <James_Shanks AT TIVOLI DOT COM>
>Reply-To: Discussion of IBM NetView and POLYCENTER Manager on NetView
>        <NV-L AT UCSBVM.ucsb DOT edu>
>To: NV-L AT UCSBVM.ucsb DOT edu
>Subject: Re: Events stop coming into Events Display...
>Date: Fri, 6 Aug 1999 09:59:37 -0400
>
>There is no damage if that is what you mean.  But stopping nvcorrd means
>that
>his in-memory cache of recent events is destroyed.  If you left the event
>windows up while you did this, then you perhaps won't notice anything.  But
>if
>you start a new window after that it won't even show the last event you had
>before the restart.  Just something to be aware of.  Each restart of
>nvcorrd
>means that the event cache gets rebuilt and old ones are gone as far as the
>display is concerned.  Also, if you were running any pass-on-match or
>reset-on-match rulesets then they no longer have any old events to match
>with.
>It all starts over.
>
>I would do a netstat -a, and a netstat -an, before you restart nvcorrd next
>time
>since Support will want to see if there is a socket holdup.  And I would
>turn on
>the nvcorrd trace, nvcdebug -d all, while you wait, so there is some record
>of
>what nvcorrd was doing when he hung.  And finally, I think Level 2 will
>probably
>recommend a dbxprof (a utility they provide) to get a call stack of nvcorrd
>when
>it is hung.  That's assuming that nvcorrd is the real problem.  Notice that
>when
>you stopped him, both nvserverd and actionsvr stopped as well.   That's why
>someone has to look at this.
>
>And it may still turn out to be an AIX socket problem.
>
>
>
>James Shanks
>Tivoli (NetView for UNIX) L3 Support
>
>
>
>Gord Michaels <gord_michaels AT HOTMAIL DOT COM> on 08/06/99 09:37:17 AM
>
>Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>NetView
>       <NV-L AT UCSBVM.UCSB DOT EDU>
>
>To:   NV-L AT UCSBVM.UCSB DOT EDU
>cc:    (bcc: James Shanks/Tivoli Systems)
>Subject:  Re: Events stop coming into Events Display...
>
>
>
>
>
>Hello James.
>
>I am using AIX 4.2.1 and Netview 5.1.1.
>I will contact support.
>Right now, when the problem occurs, I do the following:
>
>1. ovstop nvcorrd - this will also stop actionsvr and nvserverd.
>2. ovstart nvcorrd - will start nvcorrd but may not restart actionsvr
>        and nvserverd.
>3. ovstart - this will restart actionsvr and nvserverd.
>
>This seems to temporarily solve the problem without shutting down the
>Netview Server completely.
>
>Do you see any potential problems with this temporary procedure?
>
>Sincerely,
>
>Gord Michaels.
>
> >From: James Shanks <James_Shanks AT TIVOLI DOT COM>
> >Reply-To: Discussion of IBM NetView and POLYCENTER Manager on NetView
> >        <NV-L AT UCSBVM.ucsb DOT edu>
> >To: NV-L AT UCSBVM.ucsb DOT edu
> >Subject: Re: Events stop coming into Events Display...
> >Date: Fri, 6 Aug 1999 09:20:55 -0400
> >
> >Folks -
> >
> >What operating system are we talking about here?  AIX? Solaris? NT?
>Let's
> >make
> >sure we are comparing apples to apples.
> >
> >The only bug I know of in this area was on Solaris 2.5.1 and we fixed
>that.
> >  It
> >was easier than waiting for SUN to fix it, because it really is there
> >problem,
> >and they fixed it in 2.6.  If you are on Solaris 2.5.1 and cannot go to
> >Solaris
> >2.6, where SUN has fixed a host of their other  problems, then I urge you
> >to
> >call Support and get a new copy of trapd for Solaris if you cannot wait
>for
> >5.1.2.
> >
> >But otherwise, having the events display stop updating is not normal
> >behavior
> >and you need to call Support and get some help in diagnosing the problem.
> >Otherwise, whatever is wrong in your environment will likely stay wrong
>and
> >this
> >problem will surface over and over again until it is fixed.  We cannot
>even
> >tell
> >if it is a code bug until someone looks at it in detail.
> >
> >Restarting the daemons may work, until you hit the condition again.  But
> >the
> >size of the trap log should have nothing to do with it.
> >
> >James Shanks
> >Tivoli (NetView for UNIX) L3 Support
> >
> >
> >
> >"Desai, Aditya" <DesaiA AT USA.REDCROSS DOT ORG> on 08/05/99 03:15:42 PM
> >
> >Please respond to Discussion of IBM NetView and POLYCENTER Manager on
> >NetView
> >       <NV-L AT UCSBVM.UCSB DOT EDU>
> >
> >To:   NV-L AT UCSBVM.UCSB DOT EDU
> >cc:    (bcc: James Shanks/Tivoli Systems)
> >Subject:  Re: Events stop coming into Evenst Display...
> >
> >
> >
> >
> >
> >We are experiencing the same problem,  It was not bad before the patch,
>but
> >after the patch the control desk events stop updating, some time twice in
> >one day.
> >
> >-----Original Message-----
> >From: Gord Michaels [mailto:NV-L AT UCSBVM.ucsb DOT edu]
> >Sent: Thursday, August 05, 1999 12:35 PM
> >To: gord_michaels AT HOTMAIL DOT COM; NV-L AT UCSBVM.ucsb DOT edu
> >Subject: Events stop coming into Evenst Display...
> >
> >
> >Hello All.
> >
> >We have recently migrated to Netview 5.1.1.
> >
> >After the migration, I noticed that the size of my trapd.log file was set
> >to
> >26MB. I reduced this to 10MB because I felt that 26 MB was too much to
>surf
> >through with vi.
> >
> >To be honest, I cannot recall what it was set to prior to migration.
> >
> >Shortly after I did this, I noticed a strange problem. My events would
>stop
> >coming into my Events Display. Even though my trapd.log was still
>receiving
> >them! The only way to fix this was to perform a "ovstop and ovstart".
>After
> >that, all would be fine for a week or more, and now it has happened
>again!
> >
> >Has anyone ever experienced this problem before? Could it be related to
> >changing the trapd.log size to 10Mb from 26Mb??
> >
> >Also, I only have one rulset in the foreground and none in the
>background.
> >My maps still work fine and all else seems to be working fine, I am just
> >suddenly stop reeiving events in my Events Display.
> >
> >Any help appreciated.
> >
> >Sincerely,
> >
> >Gord Michaels.
> >
> >
> >
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