Jane Curry wrote:
> Does anyone have any more info about the atctl command used to control
> the NetView First Failure Data Capture (FFDC) tracing facility? I have
> seen a couple of reference to atctl on the tme10 forum also but "man"
> gives no response, atctl -h is not very helpful, it is not in the new NV
> Admin Ref guide and even google doesn't seem to have any relevant hits!
>
> Cheers,
> Jane
>
> Oliver Bruchhaeuser wrote:
>
> >Channing,
> >
> >yes you are right.
> >Autotrace slow down ovtopmd start and ovtopofix.
> >There is a test fix (IY50663)available from support.
> >Of course you can also disable Autotrace (see the Release Notes how to do
> >this).
> >
> >Kind regards
> >
> >Oliver Bruchhaeuser
> >Tivoli NetView EMEA L2 Support
> >
> >
> >
> >|---------+---------------------------->
> >| | "Hill, Channing" |
> >| | <CHill AT bbandt DOT com|
> >| | > |
> >| | Sent by: |
> >| | owner-nv-l@lists.|
> >| | us.ibm.com |
> >| | |
> >| | |
> >| | 21.11.2003 21:27 |
> >| | Please respond to|
> >| | nv-l |
> >| | |
> >|---------+---------------------------->
> >
> > >------------------------------------------------------------------------------------------------------------------|
> > |
> > |
> > | To: "'nv-l AT lists.us.ibm DOT com'" <nv-l AT lists.us.ibm
> > DOT com> |
> > | cc:
> > |
> > | Subject: RE: [nv-l] 7.1.4 performance ?
> > |
> > |
> > |
> > |
> > |
> >
> > >------------------------------------------------------------------------------------------------------------------|
> >
> >
> >
> >Never mind on the question about the "ovwdb_FFDC:5" being added to the
> >ovwdb
> >entry in ovsuf. I just found out via the release notes, page 8, that FFDC
> >entries is for extensive tracing of Netview daemons. I also found an APAR
> >(IY50663), that this auto tracing function can affect system performance.
> >It
> >appears to be turned on by default...(look in
> >/usr/OV/conf/FFDC/autotrace.properties) I will totally disable this
> >functionality and see if my performance improves. I'll let ya know....
> >
> >Channing Hill
> >EMS Analyst II
> >BB&T
> >(252) 246-3642
> >
> >
> >-----Original Message-----
> >From: Hill, Channing
> >Sent: Friday, November 21, 2003 2:48 PM
> >To: 'nv-l AT lists.us.ibm DOT com'
> >Subject: RE: [nv-l] 7.1.4 performance ?
> >
> >
> >I got the cache size from ps -ef | grep ovwdb. The active entry in ovsuf
> >has
> >41000 as well. I did note an extra item appended to the line though.......
> >
> >7.1.4 has....
> >0:ovwdb:/usr/OV/bin/ovwdb:OVs_YES_START:nvsecd:-O,-n41000,
> >-t:OVs_WELL_BEHAVE
> >D:15:/usr/OV/conf/FFDC/scripts/ovwdb_FFDC:5:
> >
> >7.1.3 FixPack1 has....
> >0:ovwdb:/usr/OV/bin/ovwdb:OVs_YES_START:nvsecd:-O,-n41000,
> >-t:OVs_WELL_BEHAVE
> >D:15:::
> >
> >Any idea what the "ovwdb_FFDC:5" means?
> >
> >Please note that my performance hits only occur when stopping and starting
> >the daemons or after running maintenance. Once things are up and running,
> >performance is ok. Everything is configured correctly....DNS, paging, etc.
> >>From the other replies, it may appear that this could be something we have
> >to live with on 7.1.4, if you manage large environments.
> >
> >Channing Hill
> >EMS Analyst II
> >BB&T
> >(252) 246-3642
> >
> >
> >-----Original Message-----
> >From: Stephen Hochstetler [mailto:shochste AT us.ibm DOT com]
> >Sent: Thursday, November 20, 2003 6:43 PM
> >To: nv-l AT lists.us.ibm DOT com
> >Subject: RE: [nv-l] 7.1.4 performance ?
> >
> >Channing,
> >
> >It sounds like you are experienced...but I just want to verify how you
> >verifiied the cache.. did you look in your ovsuf file or in the
> >ovwdb.lrf ....or at the line on a ps -ef command to see how ovwdb was
> >started? I just make sure your ovwdb.lrf is 'active' in your ovsuf file.
> >(it is the 0 record that is active I think)
> >
> >With this upgrade, did you also upgrade AIX, networking ...or any other
> >configuation change (that should have not affected things) ? Do you
> >still have good DNS connectivity? I assume with the install that you may
> >have rebooted your server. Does the paging space still look healthy?
> >
> >Stephen Hochstetler shochste AT us.ibm DOT com
> >International Technical Support Organization at IBM
> >Office - 512-838-6198 (t/l 678) FAX - 512-838-6931
> >http://www.redbooks.ibm.com
> >
> >-------------------------------------------------------------------
> >From: Jane Curry [mailto:jane.curry AT skills-1st.co DOT uk]
> >Sent: Friday, November 21, 2003 3:33 AM
> >To: nv-l AT lists.us.ibm DOT com
> >Subject: Re: [nv-l] 7.1.4 performance ?
> >
> >
> >Yup - I've seen the same thing. Again an upgrade from 7.1.3 FP1 to 7.1.4
> >on AIX 5.1. No other changes made. I also have Switch Analyzer
> >installed and that often fails to come up with the other daemons -
> >perhaps a timeout issue because the rest of the daemons take so long??
> >ITSA comes up fine if you start it manually.
> >
> >Not really had time to investigate this yet but hoping to do so next
> >week.....
> >
> >Cheers,
> >Jane
> >----------------------------------------------------------------------------
> >
> >----
> >-----Original Message-----
> >From: Barr, Scott [mailto:Scott_Barr AT csgsystems DOT com]
> >Sent: Friday, November 21, 2003 9:00 AM
> >To: nv-l AT lists.us.ibm DOT com
> >Subject: RE: [nv-l] 7.1.4 performance ?
> >
> >
> >I see higher OVWDB CPU consumption on 7.1.4 than I did on 7.1.3
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
> --
> Tivoli Certified Consultant & Instructor
> Skills 1st Limited, 2 Cedar Chase, Taplow, Bucks, SL6 0EU, UK
> Tel: +44 (0)1628 782565
> Copyright (c) 2003 Jane Curry <jane.curry AT skills-1st.co DOT uk>. All
> rights reserved.
I might note that 7.1.4 also adds many DATA COLLECTIONs for interface and RMON
stats that are in the COLLECTING state by
default. This can cause increased CPU usage depending on how many devices are
in your ( router collection).
Jeff Fitzwater
OIT Systems & Networking
Princeton University
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