Thanks to everyone who responded. I now have some very good places to
look for suspicious activity. Plus, HP is dialed in right now looking
through the logs. As soon as we find an answer, I'll re-post to the list
and let everyone know what the solution is.
Thanks!
John Clogg wrote:
>You may have hit the upper limit on the number of VT sessions allowed, thus causing the system to refuse further connections.
>Enter the command:
>NSCONTROL STATUS=SUMMARY
>And look at the MIN, MAX and ACTIVE values for VTSERVER. If the number of active servers is at the max, you can't make any new connections. The max can be adjusted by entering NSCONTROL SERVER=VTSERVER,0,1000 which sets the minimum and maximum number of servers at zero and 1,000, respectively.
>
>Warning: Every time you restart NS, the max will revert to the default, 300, and must be re-adjusted.
>
>-----Original Message-----
>From: John MacLerran [mailto:[log in to unmask]]
>Sent: Thursday, March 27, 2003 3:05 PM
>To: [log in to unmask]
>Subject: Mysterious HP3000 / NSVT hangs
>
>
>Dear HP3000-Listers
>
>I have a strange HP3000 and NS/VT problem.
>
>At various times over the last week or so, NS appears to 'hang'. If we try
>to connect with Reflection, we get a timeout and can't connect. People who
>are already logged in can continue working, sometimes, -- sometimes they get
>disconnected and then cannot reconnect. Doing an NSCONTROL STOP to shut down
>NS and then an NSCONTROL START to bring NS back up usually solves the
>problem, but it disconnects all the NS sessions and forces them to reconnect.
>
>We've been running a sniffer on the network, to see if anything is
>generating a bunch of bizarre packets that could be cofusing NS, but we
>haven't seen anything, but that could be because we don't know exactly what
>to look for.
>
>We're running MPE 7.0 express 1 on an 2-way 440Mhz N4000. SOS doesn't show
>anything taking up an inordinate amount of resources, and I can connect via
>Telnet fine during the episodes.
>
>Has anyone else heard of anything like this, or have any idea of how we can
>troubleshoot it more completely?
>
>Thanks!
>John MacLerran, IT Systems Analyst
>Idaho State University
>[log in to unmask] 208-282-2954
>
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>
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>
>
--
----------------------------------------------------------------------
John MacLerran
IT Systems Analyst email: [log in to unmask]
Idaho State University V(208) 282-2954
http://www.isu.edu/~macljohn F(208) 282-3673
----------------------------------------------------------------------
* To join/leave the list, search archives, change list settings, *
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