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Re: checking filesystem free space
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From: |
Lutz Mader |
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Subject: |
Re: checking filesystem free space |
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Date: |
Tue, 02 Oct 2018 13:56:17 +0200 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 |
Hello Maurizio Marini,
> Hello
> I would check against free space, not against used one.
> EG, consider this scenario;
> df -h | grep opt
> /dev/mapper/centos-opt 313G 290G 7.9G 98% /opt
>
> for this server monit is reporting 92% used, but I have only 2% free.
> I would receive an alarm when free space is under a certain treshold.
> Under 5% it should send alarm., for example.
> How can I get it?
> Best regards
For some hints and tips, see
https://mmonit.com/monit/documentation/monit.html#SPACE-USAGE-TEST
Something like this works well
if space free < 5% for 5 times within 15 cycles then alert
or
if space usage > 80% for 5 times within 15 cycles then alert
With regards,
Lutz