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Author Topic: False alarms monitoring disks  (Read 704 times)

Darren Leggett

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False alarms monitoring disks
« on: October 19, 2018, 03:29:37 pm »

I am monitoring a numebr of disk on Windows file servers.  I have set a low disk space threshold of < 5% free space (for last 10 polls) and a no disk space threshhold of <1% (for last 10 polls).  Occasionally I will get an alarm that disk space is low (it will give a value of 1000% or more).  When I check the actual values for the last couple of days they are all above 9%.  After these events I do not get a deactivation event occuring (even though the value is greater than the threshold) so I have to terminate the alarm manually.    Anyone got an idea what may be causing this? 
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Tatjana Dubrovica

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Re: False alarms monitoring disks
« Reply #1 on: October 19, 2018, 05:36:57 pm »

Please show screenshots of threshold configuration.
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Darren Leggett

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Re: False alarms monitoring disks
« Reply #2 on: October 19, 2018, 06:05:06 pm »

Is this what you need?
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Tatjana Dubrovica

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Re: False alarms monitoring disks
« Reply #3 on: October 22, 2018, 11:33:17 am »

And what DCI metric is used?
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Darren Leggett

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Re: False alarms monitoring disks
« Reply #4 on: October 22, 2018, 11:46:58 am »

I am monitoring the FileSystem.FreePerc DCI metric.
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Darren Leggett

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Re: False alarms monitoring disks
« Reply #5 on: October 25, 2018, 03:59:42 pm »

Misconfiguration on my part. Inother DCI was using the same event.
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