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fvant
Guru
Joined: 08 Jun 2003
Posts: 328
Location: Leiden, The Netherlands
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 Posted: Sun Jun 05, 2005 8:11 pm Post subject: Measuring HD temperature with SNMP/SMART |
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I'd like to measure my HDs temperature (SMART enabled and hdtemp works) with SNMP so i can monitor them with Cacti.
Somebody who has done that before on this forum ? |
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DeathAndTaxes
Tux's lil' helper
Joined: 27 Mar 2003
Posts: 124
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| Posted: Mon Jun 06, 2005 5:16 pm Post subject: |
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Yeah, you have to build a script that outputs data in a specific format, then get into cacti and tell it to use the script as a "data input method", then set up a data source that uses the data input method you set up, then you build a graph using the data from the data source you set up. It doesn't sound simple, and it's even harder to set up in real life. 
Here's the script I use. It uses smartctl to poll the device, then I grep out 'temp' and then I use awk to only print the value I'm interested in (in my case, it's the 10th string on the line):
| Code: | #!/bin/sh
TEMPHDA=`/usr/sbin/smartctl -a /dev/hda | grep -i temp | awk '{print \$10}'`
TEMPHDB=`/usr/sbin/smartctl -a /dev/hdb | grep -i temp | awk '{print \$10}'`
TEMPHDC=`/usr/sbin/smartctl -a /dev/hdc | grep -i temp | awk '{print \$10}'`
TEMPHDD=`/usr/sbin/smartctl -a /dev/hdd | grep -i temp | awk '{print \$10}'`
TEMPHDE=`/usr/sbin/smartctl -a /dev/hde | grep -i temp | awk '{print \$10}'`
echo hda:$TEMPHDA hdb:$TEMPHDB hdc:$TEMPHDC hdd:$TEMPHDD hde:$TEMPHDE |
As you can see, I monitor 5 drives but you can just comment out whatever you don't need. You'll also need to figure out if yours outputs in celcius or farenheit. Mine says something like temp_celcius via smartctl, but it's actually farenheit...Go figure. |
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fvant
Guru
Joined: 08 Jun 2003
Posts: 328
Location: Leiden, The Netherlands
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| Posted: Wed Jun 08, 2005 12:15 pm Post subject: |
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| sure i can write my own script but i was hoping the SMART data could be read directly by net-snmp, just like the lm_sensor data iow SMART data is made available via OIDs. |
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