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jlaff
Beginner
Joined: 27 Sep 2004
Posts: 2
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 Posted: Mon Sep 27, 2004 6:14 pm Post subject: nothing is being graphed |
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| I followed the tutorial exacly, including the graphing tutorial... For some reason, nothing is being graphed... I cant figure out why nothing at all is being graphed.. please help.. thank you |
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silfreed
Site Admin
Joined: 19 Jan 2003
Posts: 394
Location: Shippensburg, PA, USA
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| Posted: Tue Sep 28, 2004 1:08 am Post subject: |
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First step; is netmrg running out of cron? If installed via the RPM, this requires 'service netmrg start', otherwise, make sure netmrg_cron.sh is in /etc/crontab or root's crontab. You can check to make sure it's be executed by looking in /var/log/netmrg/lastrun.log (redhat) or /usr/local/var/log/netmrg/lastrun.log otherwise.
If that's working correctly, what kind of devices are you trying to graph (linux, windows, cisco switches, etc). What aspects of them are you trying to graph?
-Doug |
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jlaff
Beginner
Joined: 27 Sep 2004
Posts: 2
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| Posted: Tue Sep 28, 2004 3:29 pm Post subject: i checked the lastrun.log file |
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I checked the lastrun.log file and it reads:
NetMRG starting.
[Dev: 0001] Starting device thread at 2004-09-28 11:25:00.
[Dev: 0001] Device is SNMP-dead. Avoiding SNMP tests.
[Dev: 0001] [Sub: 0002] Interface subdevice has no interface parameters.
[Dev: 0001] [Sub: 0002] Subdevice aborted due to previous errors.
[Dev: 0001] [Sub: 0003] Disk subdevice has no disk parameters.
[Dev: 0001] [Sub: 0003] Subdevice aborted due to previous errors.
[Dev: 0001] Ending device thread at 2004-09-28 11:25:04, after a duration of 4 seconds.
Thread Ended.
I dont understand why it says "Device is SNMP-dead" please let me know if reasons why this error is coming up. Thanks a bunch |
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silfreed
Site Admin
Joined: 19 Jan 2003
Posts: 394
Location: Shippensburg, PA, USA
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| Posted: Tue Sep 28, 2004 5:48 pm Post subject: |
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Well, for disks and interfaces, it's better to go through the 'view interface cache' and 'view disk cache' (you may have to recache first) to graph them; there are parameters that are required so it knows which interface to check (the subdevice name isn't enough).
'SNMP Dead' can be from a number of reasons; incorrect SNMP type (v1 vs v2c), wrong SNMP community string, or the fact that SNMP isn't running. If you're sure it's configured correctly (you can do stuff like 'snmpwalk -v1 -c public localhost system.sysDescr'), then you can edit your device and select the checkbox that says 'disable SNMP uptime check'. This will remove the SNMP test (only use this when necessary; if your box is really down, it drastically increases the time to gather information).
-Doug |
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