I'd download nmon & have it running in 5 minute increments, then look at it in the morning. I'd also look at errpt to see if it's logging any errors.
> Date: Wed, 16 Jan 2013 11:09:19 -0800 > From: bob_woodw...@k2sports.com > To: u2-users@listserver.u2ug.org > Subject: Re: [U2] Unidata 6.1.13/AIX 5.3 Stops Unexpectedly > > Hi Kevin, > > I can't help you with what you're asking for, directly, but as a > suggestion on something to try, if you make a small script that dumps > the currently running processes into a date/time stamped text file, new > for each time it runs, then you could set it up in the system scheduler > to run every "x" number of minutes. You could schedule it to start > running at something like 1:00am. It might help to isolate exactly what > processes are running just before the lock-up and give you some more > information to work with. I'm guessing that it's a process and not > something like the /tmp location getting "full" for some reason. > > Good luck. > BobW > > > -----Original Message----- > From: u2-users-boun...@listserver.u2ug.org > [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Kevin King > Sent: Wednesday, January 16, 2013 10:40 AM > To: U2 Users List > Subject: [U2] Unidata 6.1.13/AIX 5.3 Stops Unexpectedly > > We have a customer with a box as described in the subject that has > recently been experiencing something odd. Overnight, the system will > just lock up and stop responding. Normally there isn't anyone doing > anything at night; the backup runs, that sort of thing, but then some > days when they come in early in the morning the entire machine is > unresponsive. Connecting with telnet there is no login prompt, just a > blank screen. It happened last night and I've confirmed from the logs > that the backup (which is using a split mirror backup strategy) ran > successfully and finished at 2:02am. > Sometime between then and 4am, when there really should not have been > anything going on, it just locked up. > > Are there any logs that can be enabled on AIX to record some evidence > for these kinds of failures so we can figure out what's going on with > this machine? > > -K > _______________________________________________ > U2-Users mailing list > U2-Users@listserver.u2ug.org > http://listserver.u2ug.org/mailman/listinfo/u2-users > _______________________________________________ > U2-Users mailing list > U2-Users@listserver.u2ug.org > http://listserver.u2ug.org/mailman/listinfo/u2-users _______________________________________________ U2-Users mailing list U2-Users@listserver.u2ug.org http://listserver.u2ug.org/mailman/listinfo/u2-users