[mrtg] Server Performance

Tue Oct 31 16:31:10 MET 2000

Hi,

I have seen many literature about this around but I am still unclear how to
go about it.

We do have a number of servers HP and SUN and I am using 'mpstat' Unix
command to give me the CPU utilisation.

The actual output is of the following form:

CPU minf mjf xcal  intr ithr  csw icsw migr smtx  srw syscl  usr sys  wt idl
  3  954   0    0   256   56  188   36    0    0    0  1166   29   9   1  62
  3  281   0    0   244   44  101    3    0    0    0   433    1   3   0  96
  3  272   0    0   251   51   99    2    0    0    0   402    2   3   1  94

So as you can see, I can get everything that I want. My immediate problem
is to make this available for MRTG for graphing.

So what should I do at the level of the UNIX machine ?

What I should I do at the MRTG level (This is running on NT)?

I do appologize for these for these basic questions but I am relatively
novice in the
area. I've got MRTG running now monitoring our routers.

Many thanks and any other solutions are welcome as I need to extend this
later to monitor web servers and hit records.

Nas.

-----Original Message-----
From: danellis at rushmore.com [mailto:danellis at rushmore.com]
Sent: 31 October 2000 14:45
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] Strange behavior from MRTG

I am wondering if anyone has seen this behavior from mrtg.  I am currently 
graphing the transmit and snr levels for a few cable modems.  MRTG seems to
do 
a hit and miss with these.  It is like mrtg decides to not grab the values
for 
hours at a time.  I am currently cron'ing three different cfg files, and the

other two (our cmts's and router, and some other items) they work fine.  I 
wrote a perl script to constantly check the modems manually, and I haven't
seen 
an error yet.  MRTG (read: the way I conf'g it) must be doing something
funky.  
Has anyone else seen this?  Should I just dump all the cfg's to one big 
monlithic file?

Any help is greatly appreciated

Dan

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