It's because you're running node_exporter inside docker, so node_exporter sees the filesystems as they are inside the docker container.
See: https://github.com/prometheus/node_exporter#using-docker It's better to run node_exporter directly on the host - for example, copy the binary to each host, and run it under systemd as a regular service. -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/7e31af57-6597-4bd2-89ff-d1904ef4fe9bo%40googlegroups.com.
