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Cory Mahder

Docker Host Disk Monitoring Recommendations

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Hey All,

Wondering if anyone here has had any experience monitoring hosts with docker containers?  We're just starting to monitor some of our CoreOS hosts.  SNMP is executing within a docker container on the host, and is mapping the physical /dev/sda disk to several file system mount points. For example (/etc/resolv.conf, /etc/hosts).  Unfortunately this is not accurate, and I'm not sure why it mounts or detects those files as disks.  It does accurately represent how much disk is being used, but I don't really need 5 'disks' reporting back the same data.  Anyone have some ideas or thoughts on how I can get this cleaned up for just our CoreOS docker environment?  Thanks!

Screen Shot 2016-03-02 at 1.56.40 PM.png

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Hey Cory -

LogicMonitor supports monitoring Docker containers via the cAdvisor package. See http://www.logicmonitor.com/support/monitoring/applications-databases/docker/ for details.

If you can get by with a high-level overview of what's going on with your containers (e.g. cpu / ram / disk / network), going the cAdvisor route means you don't need to mess around SNMP. 

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