Could you provide more information abdout "sar"?  

I tried wikipedia.com, and on my system: man, info, apropos and emerge
(a gentoo distribution tool) for "sar".  I did not find anything I
thought was relevant....  


On Fri, 14 Sep 2007 15:18:22 -0700 (PDT), "Mike Leo" <mleo963@yahoo.com>
said:
> I learned about "sar" last night due to a server outage...check it out.
>
> I think it will server your purpose
>
> ----- Original Message ----
> From: Andy Stewart <andystewart@comcast.net>
> To: Worcester Linux Users Group <wlug@mail.wlug.org>
> Sent: Friday, September 14, 2007 5:42:55 PM
> Subject: Re: [Wlug] System diagnostics
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Michael Long wrote:
> > Hi All,
> >
> > I just install Ubuntu 6.06 lts. With the box up and running it appears
> > that there is disk activity because the light on the case is active.
> > However running top shows the box is basically idle (CPU < 1%) and "ps
> > aux" shows nothing unusual. I do not claim to be a sys admin however so
> > I may not be interpreting things correctly. The fans seem to be working
> > harder than before as well.
> >
> > What command line tools should I be looking at determine the health of
> > the machine and drives. The os is on an IDE drive and I have a raid
> > (MegaRAID) for the other drive.
> >
> > I know this is a bit vague but I am not sure where to start. I have been
> > using opensuse but now I do not have x or the other tools that come
> > bundled with kde.
> >
> > Thanks,
> > Mike
>
> HI Mike,
>
> Here's what I would try:
>
> a) Are you sure that the disk activity light on the case is properly
> wired to your MB?  Is the light constantly on, or does it flicker?
>
> b) unplug the network cable to insure that the disk activity isn't
> caused by something on the network
>
> c) If you are sufficiently patient and wait, does the activity stop (say
> in 5-10 minute)?
>
> d) What happens if you run "tail -f /var/log/messages" as root ?  Lots
> of messages here could cause disk activity.
>
> I'm sure other folks with have other ideas, but that's my 2cents,
> devalued for inflation.
>
> HTH,
>
> Andy
>
>
> - --
> Andy Stewart, Founder
> Worcester Linux Users' Group (http://www.wlug.org)
> Chelmsford Linux Meetup Group (http://linux.meetup.com/393)
> Amateur Radio:  KB1OIQ
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> /Cqxnygs6eR/rWTvB5/euKs=
> =Gr5U
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--
  
  kstratton@fastmail.us

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