SCO

Hello,
We have a SCO box running OpenServer 5.0.5. This has our business software on it (15 users connecting via terminal emulator (ansio lite)) which has been running for about 12-15yrs strong!
Within the past 6-8 months, at random times of the day, we've been loosing connection to this box. Sometimes once a week, sometimes several times a day! We'd have to reboot the UNIX box and we can continue as usual.
Any ideas as to what could be causing this box to go down?
I don't think it's the network card because I have built an identical box and genned the software onto it and still have the same issues.
Thanks.
Ralph C.

Any messages like duplicate ip somewhere else?

What happens if you restart tcp - /etc/tcp stop; /etc/tcp start ?

Could still be a network card on one of the clients.
Run
#crash
>strstat |more

....
>quit
#
This will tell you if there have been any packet errors.
Are all terminal sessions affected at the same time?
Do you get a response using ftp, or http. (ie is tcp down, or just telnet)

I don't pretend to be a UNIX guru, unfortunately. But next time it goes down, I will stop/start and see what results I get.
I will def be in touch!
Thank you so much
Ralph

---------- Post updated at 09:32 AM ---------- Previous update was at 09:11 AM ----------

Well, everyone was booted from thier term emulator sessions again. While it was down I shutdown and restarted tcp from the console and we were still not able to login.
I also ran '#crash' --- >strstat |more and got a report.
I don't know how to retrieve it though, sorry.
I've also gotten data from typing netstat -im, -in, -rn
It states: SIOCGIFALL: out of stream resourse, as well as 'class 6, fail 290.
Don't know what it all means.
Please help.
Ralph

Does anyone know what, "out of stream memory" means?
Thanks,

RPC

Please post exactly what you typed. This is a syntax error:

Code:

netstat -im, -in, -rn

Please then post the exact reply from the command(s) with no typing errors.


If you saw a message "out of stream memory", where did you see that message? It doesn't look like a SCO unix error message.
There is a common message "Out of stream resources" which can cause these symptoms. Try google for your exact error message.

Or at SCO.
http://wdb1.sco.com/kb/search

Out of streams memory is a configuration problem.
Run scoadmin->Kernel Hardware Mgr-->Tune Parameters
Select option 12
Bump NSTRPAGES, try a value twice what is there now.

Have you added users, made the application software more complex, added new applications since this problem began?
Run "sar -A" and see if you are running out of memory (real + swap)