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  • Subject: Re[2]: My token ring network croaked
  • From: ericadelong@xxxxxxxx
  • Date: Fri, 01 May 98 09:29:18 -0500


Be aware that if a line failure occurs and terminates a large number of active 
sessions, the system may seem like it's locked up. This happened to to me years 
ago, so IBM may have fixed it now. The problem had to do with writing joblogs 
for all of the terminating jobs. The workaround was to limit the ENDJOB 
LOGLMT(1).  

Eric A DeLong
ericadelong@pmsc.com
______________________________ Reply Separator _________________________________
Subject: Re: My token ring network croaked 
Author:  <MIDRANGE-L@midrange.com > at INTERNET
Date:    4/30/98 10:26 PM


Your TRN adapter type?
     
We are at v4r1, use a 2619, and had a failed line.  Once line/IOP was reset 
the majority of SNA sessions could not re-connect.  An IPL was the only 
circumvention available.  Happened twice to us.  IBM had a PTF that fixed a 
number of many problems re: 2619.  I'm out of office so I'm short my 
documentation.  I'd recommend that PTF if you are on V4R1.  We and IBM were 
never able to determine the exact cause.  The failures occured within 7 days 
of one another.  Since the PTF we have had almost three months with no 
problems.....
     
     
     
     
Help!
     
We have an AS400 S-10 as a database server for a token ring network of 14 
PCs, some of which are Windows 95 and some are WFW 3.11.  The Windows 95 
machines run CA95; the WFW 3.11 machines are on CA Enhanced for DOS with 
Rumba; all machines also run Microsoft Network.  I have a variety of token 
ring cards.
     
Tuesday afternoon, one of our PC users reported to me that her PC had 
frozen in an AS400 session.  Rebooting it (using the reset button - the 
keyboard buffer was full, so the three finger salute wouldn't work) would 
not load LAN support and when it went looking for the router, it began 
beaconing.  Within five minutes, everyone who was in an AS400 session 
reported their systems down, and no one could log back on to the network.
     
IBM said it was a cabling network.  When we called the cabling contractor, 
they came in and found that the AS400 had de-inserted itself from the ring.
 I did a PWRDWNSYS and IPL, which has gotten the system back.  My network
is now running again, but I'm no further ahead as to what the problem could 
have been or, more importantly, how to fix it.  As near as I can figure out 
from the log, a PC upstream from the AS400 disconnected improperly, causing 
the AS400 token ring line to fail.
     
Any assistance/insight (in non-technical terms, please) would be greatly 
appreciated.
     
TIA
David Petrie
Taylor Enterprises - Your First Choice in Association Management
     
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