[rrd-users] Re: two sh scripts

[Darryl Lewis]

ok, it all looks fairly good, but just needs a few improvements.

1. first thing is that I'd change your crontab to 

* * * * *   root    /home/ram.sh >/dev/null 2>&1
* * * * *   root    /home/test.sh >/dev/null 2>&1

It still runs every minute, but gets rid of a bit of maths that the cron process has to do.

2. Don't run it as root. That is generally a bad idea, as running as root you can make some big accidents. Create another user and run it as that. (this isn't causing your problem, but is just a good idea when working with unix)

3. The rrd call stuff looks ok at a casual glance (perhaps someone with a more critical eye could take a look to double check) so I'll assume it running fine.

4. That leaves us with the data gathering. Add in some local logging so you can see if what you are getting is really a number

update `cat /proc/meminfo | grep "MemTotal\|MemFree\|SwapTotal\|SwapFree" |awk '{ print $2 }'`
echo $TIMESTAMP `cat /proc/meminfo | grep "MemTotal\|MemFree\|SwapTotal\|SwapFree" |awk '{ print $2 }'` >> ram.txt

I suspect there might be occurances of Nan (not a number) comming from your scripts.

I can't reach the 'test.txt' file, so put some similar logging into that.

kind regards
Darryl



-----Original Message-----
From: rrd-users-bounce at list.ee.ethz.ch
[mailto:rrd-users-bounce at list.ee.ethz.ch]On Behalf Of VladoPortos
Sent: Friday, 8 September 2006 4:47 PM
To: rrd-users at list.ee.ethz.ch
Subject: [rrd-users] Re: two sh scripts


Hmm there is no load on server this two script are basicly only thing 
running there ( its test server soly for thistesting there is nothing 
which use more that 2% of cpu) P4 3Ghz and 1.5GB ram...

Scripts are here
http://vladoportos.bancodata.eu/ram.txt  - show free ram
http://vladoportos.bancodata.eu/test.txt - show temperatures

in cron they are writted as:

0-59/1 * * * *   root    /home/ram.sh >/dev/null 2>&1
0-59/1 * * * *   root    /home/test.sh >/dev/null 2>&1

all scripts, graphs,rrds are located in /home

what it does can be seen here:

http://86.110.225.209/ram.png
http://86.110.225.209/test.png

notice that holes....

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