Disk is near out of space, but kubelet keeps reporting that it is fine.
Issue
- Kubelet Pressure Conditions says that is everything fine on a system with 98% Disk Usage.
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Results from df command below:
$ df -h Filesystem Size Used Avail Use% Mounted on /dev/xvda2 20G 20G 588M 98% / devtmpfs 30G 0 30G 0% /dev tmpfs 30G 0 30G 0% /dev/shm tmpfs 30G 16M 30G 1% /run tmpfs 30G 0 30G 0% /sys/fs/cgroup /dev/xvdd 100G 79G 22G 79% /var/lib/docker /dev/xvdc 50G 3.5G 47G 7% /var/lib/origin/openshift.local.volumes tmpfs 6.0G 0 6.0G 0% /run/user/1000
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Results from Kubelet Pressure Conditions
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Conditions:
Type Status ... ... Reason Message DiskPressure False KubeletHasNoDiskPressure kubelet has no disk pressure MemoryPressure False KubeletHasSufficientMemory kubelet has sufficient memory available OutOfDisk False KubeletHasSufficientDisk kubelet has sufficient disk space available Ready True KubeletReady kubelet is posting ready status
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If is that the case, kubelet should report that there is disk pressure, and stop getting new pods, and even start to get rid of some.
Environment
- Red Hat OpenShift Container Platform (RHOCP) 3.9
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