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[LDM #RSN-549334]: LDM-6.3.11 *possible* issue with external firewalls going down

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  • Subject: [LDM #RSN-549334]: LDM-6.3.11 *possible* issue with external firewalls going down
  • Date: Sun, 23 Jun 2019 11:20:47 -0600
Hi Gilbert,

Wow! That's a puzzler.

Thanks for sending it in.

I'll have to think about it.

Is there anything relevant in the LDM log file? Do the times match?

> I've seen this happen rarely for 15 years, but maybe you can figure it out.
> 
> Per Victor Gensini at NIU, they replaced their campus firewall this past
> week. When they took the firewall down, and then brought the new one up,
> all was well with the campus network except his LDM 6.13.11 had crashed
> with a corrupt queue. In years past, they had significant issues with
> their firewall, and when it went down, occasionally, the LDM queue was
> instantly corrupted, and thus the LDM crashed.
> 
> Obviously, this is still going on. I was wondering if a product got
> chopped off right in the middle of being sent as the firewall went
> down? Obviously, we don't want to keep bringing the firewall down and
> up to try and diagnose this issue. :-)  Again, it only happens, and not
> consistently, when the *external* (ie, University) firewall the LDM is
> behind goes down.
> 
> Obviously, since this rarely happens, I'm not sure this is worth
> pursuing. I can tell you this happens to other software I use, which
> forces me to restart it (notably GRlevel3 and Analyst, which has to be
> restarted if the Internet is lost while storm chasing, or when NIU's
> firewall went down). But I thought you'd want to know that this is still
> happening. I don't know if there can be a fix for this or not. But if
> there is, you'd be the guy to know...


Regards,
Steve Emmerson

Ticket Details
===================
Ticket ID: RSN-549334
Department: Support LDM
Priority: Normal
Status: Closed
===================
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