Re: CPU at 100%

["Al Barsa, Jr." <barsa2@xxxxxxx>]

At 08:05 AM 01/25/2000 -0800, you wrote:
>9406-500 V3R7M0
>
>Yesterday around 2:30 our system did something unexpected.
>Our system stopped responding to requests, and looking at the
>CPU indicator, it was at 100%  Within about 25 minutes I got
>one response on my session, then it "locked up" again.  I could
>not get anywhere to find out what was going on, I couldn't even
>log onto the console, as it normally logs onto QINTER unless
>we ENDSBS *ALL *IMMED then it switches to QCTL.
>
>I wound up IPLing and waiting and hour and forty five minutes for
>it to re-IPL after and ABEND.  So, a few questions:
>
>1. How do I find out what actually happened?  I did a DSPLOG and
>    found nothing out of the ordinary.  I searched for RUNPTY in the
>    last of the job logs in QEZJOBLOG but didn't find it (I thought
>    someone may have switched their job priority to 1).


Believe it or not, since we went to RISC, the system generally ignores 
RUNPTY, and dynamically changes this to get work done.


>2. How do I get my console to always log on to QCTL instead of
>    QINTER at a high run priority so I can actually get in and find out
>    what is wrong before I ABEND the system?

This should always happen.

>3. Anything I should be doing to prevent this?  Not that I know what
>    "This" is.


Your system should have left enough clues to figure out what happened.

You also could have 5 pounds of @#$% in a 4 pound bag.

Al




+--------------------------------------------------+
| Please do not send private mail to this address. |
| Private mail should go to barsa@ibm.net.         |
+--------------------------------------------------+

Al Barsa, Jr. - Account for Midrange-L
Barsa Consulting, LLC.  
400 > 390

Phone:          914-251-1234
Fax:            914-251-9406
http://www.barsaconsulting.com
http://www.taatool.com

+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to MIDRANGE-L@midrange.com.
| To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com.
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---