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Re: Unbridled Netmon

To: nv-l@lists.tivoli.com
Subject: Re: Unbridled Netmon
From: "Les Dickert" <lesdickert@hotmail.com>
Date: Fri, 23 Feb 2001 20:00:09
Backup?  What's that?



>From: "Leslie Clark" <lclark@us.ibm.com>
>Reply-To: IBM NetView Discussion <nv-l@tkg.com>
>To: IBM NetView Discussion <nv-l@tkg.com>
>Subject: Re: [NV-L] Unbridled Netmon
>Date: Fri, 23 Feb 2001 12:44:42 -0500
>
>Not really. The only way netmon can go off without the seedfile controlling
>it is if
>a) the ovsuf entry for it has been damaged and no longer passes that
>parameter
>b) the file referenced in the parameter is not available or empty
>c) you start netmon by saying 'netmon' (no parameters) rather than 'ovstart
>netmon'
>
>I am so proud that you had a backup, Mark.
>
>Cordially,
>
>Leslie A. Clark
>IBM Global Services - Systems Mgmt & Networking
>(248) 552-4968 Voicemail, Fax, Pager
>
>
>"Scherting, Mark" <mscherting@state.mt.us>@tkg.com on 02/23/2001 11:23:27
>AM
>
>Please respond to IBM NetView Discussion <nv-l@tkg.com>
>
>Sent by:  owner-nv-l@tkg.com
>
>
>To:   "NV-L (E-mail)" <nv-l@tkg.com>
>cc:
>Subject:  [NV-L] Unbridled Netmon
>
>
>
>Hi All,
>
>I'm hoping someone here can confirm or refute my suspicions regarding the
>cause of the following symptom(s) in my AIX 4.3.3, NV6.0.1 environment.
>
>Recently my Netmon took off on an unbridled (sans seedfile) voyage to
>discover the world, earning me the new title of "Christopher Columbus",
>apparently choking our DNSs and firewall in the process, and discovering
>way
>too much undesirable stuff.
>
>I believe I had stopped Netmon and absentmindedly left it down.  A collegue
>noticed Netmon wasn't running and restarted it after becoming root with
>"su", not "su -".  Root's .profile sources the Tivoli environment, as does
>this user's .profile.  I suspect that "su" didn't get the Tivoli
>environment
>set, thus netmon didn't know to use the seedfile and was able to run wild.
>
>Are my suspicions correct or even on track?
>
>BTW, after reigning in Netmon I cleaned up the mess by restoring a recent
>tarball of /usr/OV/databases.  Stuff DOES happen.
>
>Thanks in advance.
>
>Mark A. Scherting
>State of Montana
>Information Services Division
>(406) 444-0117
>mscherting@state.mt.us
>
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