[TriLUG] diagnostic/stress test software

[Jason Watts]

All, thanks for the advice,


On 6/8/07, Steve Litt <slitt at troubleshooters.com> wrote:
>
> On Thursday 07 June 2007 13:02, Jason Watts wrote:
> > Gents,
> >
> > we have a linux server that keeps has hung twice on boot this month (its
> > restarted 3times a week)
> >
> > we are looking for a self booting diagnostic tool that will do both
> > diagnostic and stress testing.
> >
> > we have found one "
> >
> http://www.smithmicro.com/default.tpl?group=product_full&sku=CKDWINEE&prodv
> >iew=intro" , but i wanted to see if you guys had any other
> recomendations?
> >
> > jsn
>
>
>
>
> If I had to fix this box, I'd try booting til it hangs, and see whether it
> completes memory counting or not. If it doesn't complete counting memory,
> it's not the OS.
>
> I'd wait until I could reproduce it within 10 reboots. I would see whether
> it
> counts memory on boot, when it hangs. If it doesn't complete counting of
> memory, I'd do this:
>
> I'd disconnect every peripheral from the motherboard, with only video
> card,
> RAM and video card still connected, and boot it about 50 times to see if
> it
> counts memory (obviously with the hard disks disconnected no OS will run).
> If
> it does not hang I'd start putting back peripherals, booting many times
> for
> each peripheral, until it hangs again. I'd keep a written log of the
> reconnections and boot attempts. Obviously, when it hangs again, suspect
> the
> last reconnected periperhal. If, after all periperhals were reconnected,
> it
> still doesn't hang even with 50 boots, then assume it was a bad
> connection,
> use electronic lubricant:
>
> http://www.troubleshooters.com/tpromag/200310/200310.htm
>
> If, with all peripherals disconnected, it still hangs, then it's either
> memory, video card, processor or mobo. Swap the video card. Try booting
> with
> one stick at a time and vary the stick. If it's the mobo or CPU, replace
> em.
>
> If when hanging it always completes memory counting, throw in a different
> disk
> with a tiny OS, and ascertain that it will boot 50 times out of 50 times.
> If
> so, you've isolated it to your hard disk or your OS.
>
> HTH
>
> SteveT
>
> Steve Litt
> Author: Universal Troubleshooting Process books and courseware
> http://www.troubleshooters.com/
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