[aclug-L] Re: Help my Servers falling and won't stay up

[jlweaver <jlweaver@xxxxxxxxxxx>]

I recently had a similar problem where my computer did strange things
after being up for more than 6 hours.  The power supply was the
culprit.  When I replaced the 300W supply with a 400W supply the
problems went away.  A 300W supply should have been adequate to handle
all the devices but evidently power supplies are rated for service
other than 24-7.  KGE doesn't help the situation with their
inconsistant line power.  You should see the transients too.  It is a
wonder that anything runs which requires 24-7 power.  Evidently motors
and such are conservatively rated which allows them to work under
harsher conditions than is actually required.
==================================
Clint Brubakken wrote:

>  2.4.9-21.0RS , I assume RS is rack space
> I don't get this problem on my workstation which is a redhat 7.2 w
> 2.4.7-10 and a K6 2 or 3  550 vs an athlon 700 for our server.
>
> I'm wondering if it is a heat issue? It only seems to  happen under
> constant mild stress.
>
> On Wed, 2002-04-17 at 14:27, Denis Medvedev wrote:
> >
> > Please tell me what kernel version do you use!
> > Kernel versions prior to 2.4.17 were highly unstable
> > on
> > heavy memory loads. Even 2.4.17 is not very stable.
> > The results can be that you described.
> > --- Clint Brubakken <cabrubak@xxxxxxx> wrote:
> > >
> > > We are running a redhat 7.2 server, rackspace
> > > installed (so I don't know
> > > the whole configuration), and its locking up when we
> > > do to much with it.
> > >
> > > The latest incidences happened when tgzing the /home
> > > directory to make a
> > > back up.
> > >
> > > The first time, I was creating the tar in my home
> > > directory which was
> > > being tarred, and so i created a loop.
> > >
> > > The second time I was creating it in the /tmp and it
> > > locked up in the
> > > middle.
> > >
> > > I was doing a top at the time, and never saw the
> > > load get above 1.17,
> > > and the memory taken for gzip was at 64%, which is a
> > > lot but not enough
> > > to lock up the server I'd think.
> > >
> > > Both times it locked up so bad, they we couldn't
> > > ssh, or run any
> > > services off it and it had to be rebooted by hand.
> > >
> > > I'm going to be looking into pam and limits, but it
> > > didn't seem like it
> > > was a problem like that.
> > >
> > > Any ideas or suggestions?
> > >
> > > Clint Brubakken
> > > President in Exile
> > >
> > >
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> > >
> >
> >
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